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SERVICE MANUAL

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1. System Central control Address Air to Air Heat Exchanger only Linked with air conditioner Group2 jA B WERE DRM 1 Air conditioner Air conditioner Air to Air Heat Air to Air Heat Air to Air Heat Exchanger Air to Air Heat Exchanger remote controller remote controller Exchanger Exchanger remote controller remote controller RBC AMT32E RBC AMT32E remote controller remote controller NRC 01HE NRC 01HE NRC 01HE NRC 01HE Line address 1 1 31 31 1 1 31 31 Indoor unit address 1 2 1 2 1 2 1 2 Group address 1 2 1 2 1 2 2 2 Without Central control address central The line system address of an Air to Air Heat Exchanger The line system address of an Air to Air Heat Exchanger control unit is always 31 unit is always 31 The indoor unit address of an Air to Air Heat Exchanger unit The indoor unit address of an Air to Air Heat Exchanger unit Air to Air Heat needs to be manually specified in No 1 to No 4 of SW702 needs to be manually specified in No 1 to No 4 of SW702 Exchanger and in No 1 and No 2 of SW703 and in No 1 and No 2 of SW703 address settings The group address of only one Air to Air Heat Exchanger The setting of the smallest address applies to the remote unit needs to be manually specified to header in No
2. 23 39 e e 55 240 500 56 e 9 25 41 e5 10 0 2006 42 11 e 27 e 43 e 59 e 12 e 2809 e 44 60 e 13 29 45 e 6 61 e 14 e e 300 4060 6 020 15 e e 31 e 517 e e035 e e 6 320 0 120 B Installing two remote controllers for the Air to Air Heat Exchanger For details on how to install the remote controller for the Air to Air Heat Exchanger refer to the Installation Manual accessory with the remote controller One or multiple Air to Air Heat Exchanger s can be controlled by using two remote controllers Up to two remote controllers can be installed Remote controller inside of the back C Header remote f WOU controller ele 1 5 Follower remote controller Header remote controller 12 DIP switch Set switch 2 to low
3. How to install To use two remote controllers follow the procedure below 1 Set one remote controller as the header factory default Follower remote controller 1 2 Followerremote controller Header remote controller 12 DIP switch 2 Set the other remote controller as the follower using the DIP switch After that the remote controller works as the follower Settings for each system configuration NOTE The line system address is fixed as 31 for the Air to Air Heat Exchanger Air to Air Heat Exchanger system One Air to Air Heat Exchanger is used Air to Air Heat Exchanger Earth F O REGE U1 U2 ER AS Power supply v dp eem deos i r i i Remote controller header Remote controller follower 121 Changing the group address No 4 of SW703 Settings for changing the group address are necessary Select Header ON Factory default Follower When Header ON is selected Individual ON will be selected in this system Changing the indoor unit address No 1 to 4 of SW702 No 1 and 2 of SW703 The setting does not need to be adjusted Factory default 1 Air to Air Heat Exchanger system Multiple Air to Air Heat Exchangers are used Air to Air Heat Exchanger Air to Air Heat Exchanger Air to Air Heat Exchanger Earth Earth Earth es o
4. DN Item Memo Factory default 01 Lighting up hours of the Filter Sign 0002 2500H 02 Extent of filter clogging 0000 Normal O3 Central control address 0099 Unfixed 0050 Air to Air Heat Exchanger Ceiling 10 Model code embedded duct 11 Capacity code Depending on the capacity 14 Group address 0099 Unfixed 28 Auto recovery from a power failure 0000 None 47 bc during 24 hour ventilation nighttime heat 0000 Low fixed 48 Unbalanced fan speed ventilation 0000 Normal 49 24 hour ventilation 0000 Invalid 4A On off ratio during 24 hour ventilation 0000 Normal 4B Delayed operation 0000 Invalid 4C Nighttime heat purge 0000 Invalid 4D Setting of the exhausting fan operation below 15 0A 0000 Exhausting fan run 4E Setting of the linked operation with external devices 0000 ON OFF linked 5C Damper output 0000 Normal 9D ON OFF operation linked with the power status on off 0000 Invalid EA Changing the ventilation mode 0003 Automatic mode EB Changing the ventilation fan speed 0002 High EC Automatic mode control during linked operation with the air 0000 Valid while the air handling unit is handling unit in operation ED Changing the operation output 0000 ON during normal operation 0000 ON when an abnormal signal is EE Changing the abnormal signal Bypess mode signal output detected
5. 47 16 48 17 e 49 18 50 e 19 51 e e 20 e e 52 e e 21 e e 53 e 22 e 54 e 23 e 55 24 j 56 e e _ 25 57 26 e 58 27 e 59 28 e 60 o 29 61 e 30 e e 62 e e o 31 63 32 e e e 64 3 Writing in of the setup data on the EEPROM Setting data on the EEPROM of the PC board for service is as factory default 1 Press and hold the e amp c buttons for 4 seconds at the same time corresponds with the Remote controller NRC 01HE on page 148 While performing group operation control with the air conditioners the unit No displayed first represents the header Indoor unit The code DN is displayed In addition the fans of the selected indoor unit and Air to Air Heat Exchanger start running and the flap of the indoor unit starts swinging 2 Each time you press gt left side of the button the unit No of the indoor units or the Air to Air Heat Exchangers in the group are displayed successively Specify the Air to Air Heat Exchanger UNIT No 31 OO to replace
6. Setting of auto recovery from a power failure Resumes the status just before the power failure Adjusting this setting is necessary for the header unit when an Air to Air Heat Exchanger system is used and the Air to Air Heat Exchanger with the smallest address number when an Air to Air Heat Exchanger system linked with air conditioners is used Select 28 in step 3 on page 131 Select 0001 in step 4 on page 132 Code SET DATA 0000 0001 Auto recovery from a power Invalid failure Factory default Valid 134 E Setting of the Air to Air Heat Exchanger single operation Setting for the header air conditioner Single operation of the Air to Air Heat Exchanger is possible when operation of the Air to Air Heat Exchanger is linked with that of the air conditioners Use the button of the wired remote controller While the Air to Air Heat Exchanger is in operation is displayed on the remote controller Adjust this setting for the header air conditioner in the group when an Air to Air Heat Exchanger system linked with air conditioners is used This setting is invalid when an Air to Air Heat Exchanger s system is used Select 31 in step 3 on page 131 Select 0001 in step 4 on page 132 Code SET DATA 0000 0001 Invalid 31 Single operation of the fan Factory default Valid REQUIREMENT Do not change this setting when the operation is
7. 1 REQUIREMENT As factory default the imbalanced ventilation fan speed setting is deactivated only High and Low are available 3 for selection Consult your dealer to activate the setting 2 3 Push the S button to select a ventilation mode 1 Push the omc buttons to start operation Each time the button is pushed the ventilation The operation lamp lights up mode and indication change as follows REQUIREMENT ORE D Automatic Heat exchange Operation will be started when the heat exchange LET rh Bypass mode ventilation is in an Air to Air Heat Exchanger system linked with air conditioners 4 Push the mue buttons to stop operation 2 Push the g button to select the ventilation ihe operation amp fan speed Each time the button is pushed the ventilation fan speed and indication changes as follows 83 B About the separate operation of the Air to Air Heat Exchanger in an Air to Air Heat Exchanger system linked with air conditioners The procedure below is not effective in a system equipped with the Air to Air Heat Exchanger only 1 Push the Ce button while the system is running Only the Air to Air Heat Exchanger stops and the indicator turns off 2 Push the button while the system is stopped The 27 indicator lights up and the Air to Air Heat Exchanger starts running separately NOTE Normally the Air to Air Heat Exchanger ON OFF as the
8. 14 Chain CHAIN 16 17 17 Separate the chain CHAIN from the coupling COUPLING COUPLING Chain CHAIN 54 Component Procedure Note Lid holder HOLDER 18 Remove the two screws of M4x6 and M4x10 LID M4x10 For the parts where the chain CHAIN 1 16 18 and electrical control base 2 BASE E PARTS e are fixed together that fix the lid holders Screws HOLDER LID There are two lid holders HOLDER LID in each unit 15 S Screws M4x10 Lid holder HOLDER LID Fixing lever LEVER 19 Widen the fixing lever LEVER LID to remove it LID from the gutter 1 19 16 Damper motor holder 20 Release the small clamp CLAMP and big clamp STAY DAMPER CLAMP that fix the connector CONNECTOR MOTOR 9 then remove the connector 1 2 20 21 d Connector CONNECTOR 9 17 21 Loosen the screw that fixes the damper motor holder STAY DAMPER MOTOR then slide it toward you to remove it Note The screw hole of the damper motor holder STAY DAMPER MOTOR is a hook slot and you can remove the damper motor holder without removing the screw completely 55 Component Procedure Note Damper motor MOTOR 22 Remove the connector CONNECTOR 9 from LOUVER the damper motor MOTOR LOUVER 18 1 2 20 to 23 Connector CONNECTOR 9 23 Remove the two screws that fix the damper motor MOTOR LOUVER then remov
9. Fixing bracket Fixing lever Filter Two for each element Filter Two for each element Fixing lever Unit mm Model A B C Model A B C VN M150HE 900 900 290 VN M650HE 1140 1140 350 VN M250HE 900 900 290 VN M800HE 1189 1189 400 VN M350HE 900 900 290 VN M1000HE 1189 1189 400 VN M500HE 1140 1140 350 Dimensions of hanging parts are not included 77 Remote controller for the Air to Air Heat Exchanger NRC 01HE Operation section One of these remote controllers can be used to control both indoor air conditioner units and Air to Air Heat Exchangers up to 8 units in total After setting the operation conditions you can use the units by just pressing md the ON OFF button Functions concerning controlling the Air to Air Heat Exchanger are explained here For controlling an air conditioner refer to the owner s section manuals supplied with the air conditioner 1 8 me ven Eo gt CE 4 FILTER RESET TEST UNIT LOUVER 1 C button Fan speed select button 1 6 button Power save operation 1 Selects the desired Fan speed Use to initiate power saving mode 2 button Timer set button 7 559 button Swing Louver direction Used for timer setting button 1 Use to select automatic swing or fixed louver 3 button Test button position g Used for service Notavailable for conceal
10. Pod 4 1 i i Remote controll im MARNE I E KR Hu Er m Rema ae aes ecc emote controller S emote controller Remote controller follower i inter unit wiring For group control with air conditioners perform inter unit wiring between the units Up to 8 units can be installed for group control Changing the group address No 4 of SW703 The settings of the group address does not need to be adjusted Leave the value Follower OFF Factory default Follower The settings of the follower unit with the smallest indoor unit address number reflect the indication of the remote controller Changing the indoor unit address No 1 to 4 of SW702 No 1 and 2 of SW703 Settings for changing the indoor unit address are necessary Do not duplicate the value 1 to 64 Factory default 1 Changing the terminator No 1 of SW301 The settings do not need to be adjusted 125 1 Advanced system NWARNING Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws Use of wiring which does not meet the specifications may give rise to electric shocks electrical leakage smoking and or a fire When carrying out electric connection use the wire specified in the Installation Manual and connect and fix the wire securely to prevent them applying external force to the terminals Improper connection of fixing may result in fire Electric
11. Remote contro 0000 SW pressed Fog Fog SW pressed Edo gd dg Operation U Operation ON status OFF status OFF External signal eM UI External signa JUUL _ ON linked Remote control Remote contro fu 0001 SW pressed NET 11 NET SW pressed od Operation ON Operation ON status OFF status OFF External signal re Ad LL External signa ZILJEIE JE OFF linked Remote control Remote contro 0002 SW pressed 14 l SW pressed Fog Operation Operation status OFF status OFF CODE No DN 4E Remote ON OFF adapter NRB 1HE sold separately No 1 of the switch SW701 on the board Pulse ON Static OFF Factory setting 26 7 Applied Control and Functions Including Circuit Configuration 7 1 Heat Exchanger Controller Block Diagram Air to Air Heat Exchanger 1 Main sub center remote controller up to 2 units Function setting Key switch Schedule timer when in weekly timer mode LCD driver Display LCD Function setting Key switch Power supply circuit Remote controller communication circuit Rechargeable battery Remote controller communication circuit Supplying fan motor Exhausting fan motor Power supply circuit External output Driving Damper Abnormal Bypass mode
12. CAUTION High temperature parts You might get burned when removing this cover CAUTION High temperature parts You might get burned when removing this cover 97 1 Precautions for safety NWARNING General Before starting to install the Air to Air Heat Exchanger read carefully through the Installation Manual and follow its instructions to install the Air to Air Heat Exchanger Only a qualified installer 1 or qualified service person 1 is allowed to install the Air to Air Heat Exchanger If the Air to Air Heat Exchanger is installed by an unqualified individual a fire electric shocks injury water leakage noise and or vibration may result If using separately sold products make sure to use Toshiba specified products only Using unspecified products may cause fire electric shock water leak or other failure Before opening the electrical control cover or inspection cover of the Air to Air Heat Exchanger set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the electrical control cover or inspection cover of the Air to Air Heat Exchanger and do the work required Before carrying out the installation maintenance repair or removal work set the circuit breaker to the OFF position Otherwise electric s
13. Hanging bolt Vibration proof fixture Vibration proof fixture b UA iE T 17 ir Unit 2 Cautions installing unit body upside down The hanging bracket does not need to be replaced The printed image is reversed 107 B Duct installation Duct installation is necessary to protect against access to live parts rain water or contact with moving parts Seal the junction of an adaptor and a duct with an aluminium tape firmly to prevent any air leakage The room intake opening should be positioned as far as possible from the indoor supply opening Use the specified ducts See the Model List Install two outdoor ducts so they will be in the down gradient toward outdoor to prevent water from coming in Gradient 1 100 1 50 See the figure below Heat insulate two outdoor ducts including outdoor air and exhaust air duct to prevent dewing Material Glass Wool Thickness 25 mm See the figure below To pierce the metal duct through the metal lath or the wire lath or the metal plate of the wooden facility insulate electrically between the duct and the wall Refer to the laws and regulations of the country concerned and the technical standard V VN M150 to 1000HE Heat insulator Aluminium tape Heat insulator Insulates the adapter and the aluminium tape Outdoor air intake duct Exhaust air duct Adapter VN M1500 and 2000HE
14. Transmission wire used to extend must be locally procured Non polarity shielded wire H05 VVC4V5 K or 60227 IEC 74 0 5 mm Maximum length 50 m 3 or 4 and the negative pole to terminal 1 DC12 V 1 mA If a polar contact such as a photocoupler is used with a no Specification of the external contact voltage a contact connect the positive pole to terminal 2 Contact for microcurrent 127 1 When switching the remote controller between invalid valid from an external device Remote ON OFF Adapter NRB 1HE locally procured 777 CN705 1 2 e No voltage 1 swt j i Yellow 2 i Red 3 m C The remote controller is inoperable when SW1 is closed White 4 Black 5 2m A Control circuit board of the y Air to Air Heat Exchanger As these terminals are not used insulate them SW1 Remote controller Invalid ON Valid OFF For NRC 01HE remote controller for the Air to Air Heat Exchanger when one of the buttons below is pressed g blinks and the operation is invalid ON OFF button VENT button VENT MODE button VENT FAN button For RBC AMT32E AMS41E remote controller for the air conditioner pressing the ON OFF button has no effect Whenthe remote controller is inoperable the 24 hour ven
15. 94 1 2 installation Manual Original instruction Thank you very much for purchasing TOSHIBA Air to Air Heat Exchanger Please read this owner s manual carefully before using your Air to Air Heat Exchanger Obtain the Owner s manual and Installation manual from constructor or dealer Request to constructor or dealer Please clearly explain the contents of the Owner s manual and hand over it Read this Installation Manual thoroughly to fully understand everything about your Toshiba Air to Air Heat Exchanger and be able to install it properly Ask a qualified installer or qualified service person to perform installation System parts such as a wired remote controller sold separately are necessary for using this unit After installation perform a test operation and confirm the safety then explain to the customer how to use this unit Give this installation manual to the customer and ask him her to keep it with the owner s manual B Handover to the customer Hand the owner s manual and installation manual to the customer Before the handover explain fully to the customer the contents of the owner s manual Contents 1 Precautions for safety sh ode ees oe Sa eae 98 2 Accessory sabe ee Ee vais ee eee a 101 3 Cautions 5 101 4 Separately sold parts cv
16. Select a value from the table on the below in step 4 on page 132 according to the preferred time Code SET DATA 0000 0001 to 0048 UM 0000 Invalid Start after Setting value x 1 4C Nighttime heat purge Factory default hour s Setting for operation of the exhausting fan below 15 C Stops the exhausting fan when the temperature outside falls below 15 C Adjust this setting for all the Air to Air Heat Exchangers in the group The air supplying fan stops regardless of this setting When the indoor temperature is over 26 the exhausting fan stops even when the outdoor temperature is higher than 15 C Select 4D in step 3 on page 131 Select 0001 in step 4 on page 131 Code SET DATA 0000 0001 Exhausting fan operation below Exhausting fan runs 4D 15 Factory default Exhausting fan stops 136 E Setting for linked operation with external devices Specifies the operation of the Air to Air Heat Exchanger linked with the on off operation of external devices For group operation adjust this setting for the Air to Air Heat Exchanger to which the Remote ON OFF Adapter NRB 1HE sold separately is connected Select 4E in step 3 on page 131 Select a value from the table on the below in step 4 on page 131 Code SET DATA 0000 0001 0002 Linked operation with external ON OFF linked 4E devices Factory default ON linked
17. Do not connect 220 240 V power to the communication terminal blocks 03 O for control wiring Otherwise the system will fail REQUIREMENT For power supply wiring strictly conform to the Local Regulation in each country After connecting wires to the terminal blocks provide a trap and fix wires with the cord clamp E Power and wiring specifications Power supply wire and communication wire should be locally procured See the table below for the power supply specifications If the capacity is too small the unit will suffer from overheating or burnout Item Power supply for Air to Air Heat Exchanger 1 B Circuit breaker switch P i us ower su ower su wire Model name VN PPY Current rating Fuse rating dd 3 Exchanger MZ00HE 220 V 60Hz 15A 1 5 mm or 25 mm 7 RN F 60245 IEC 66 1 Prepare the exclusive power supply for the Air to Air Heat Exchanger 109 Communication wire Item Communication wire Model name VN Central control wire 2 Remote controller wire 2 core non polarity Air to Air Heat M150HE to Shielded wire 2 core non polarity Exchanger M2000HE Up to 1000 m 1 25 mm 0 5 mm to 2 0 mm Up to 2000 m 2 0 mm 2 The length of the communication wire is the total length of the outdoor indoor transition wire and wire of the central control assuming that an interlocking system with the indoor un
18. 25 0 30 0 29 5 33 0 35 5 38 5 36 5 39 5 Exchange High 25 5 27 0 32 0 31 0 34 0 37 0 40 0 37 5 41 0 Mode 60Hz 24 5 25 29 5 29 34 35 39 36 5 40 20 0 21 0 27 0 26 0 31 0 33 5 34 0 36 0 37 0 Low 22 0 22 0 29 0 29 0 32 5 35 0 35 5 37 5 38 0 Sound 60Hz 20 21 23 5 24 5 29 5 32 5 33 5 35 5 36 5 pressure level dB 26 0 29 5 34 0 32 5 34 0 37 0 39 5 38 0 41 0 Extra high 28 0 30 0 35 0 34 0 36 0 38 5 40 5 39 0 42 5 60Hz 27 5 31 5 35 5 33 5 35 5 38 41 5 39 5 42 5 240 25 0 30 0 29 5 33 0 35 5 38 5 36 5 39 5 Bypass High 25 5 27 0 32 0 31 0 34 0 37 0 40 0 37 5 41 0 ode 60Hz 24 5 25 29 5 29 34 35 39 36 5 40 20 0 21 0 27 0 26 0 31 0 33 5 34 0 36 0 37 0 22 0 22 0 29 0 29 0 32 5 35 0 35 5 37 5 38 0 60Hz 20 21 23 5 24 5 29 5 32 5 33 5 35 5 36 5 50Hz 81 5 78 74 5 76 5 75 76 5 73 5 76 5 73 5 Extra high 60Hz 81 5 78 74 5 76 5 75 76 5 73 5 76 5 73 5 Temperature Exchange ign 50Hz 81 5 78 74 5 76 5 75 76 5 73 5 76 5 73 5 1 1 0 Efficiency 60Hz 81 5 78 745 765 75 765 735 765 735 1 50Hz 83 81 5 79 5 78 76 5 77 5 77 79 77 5 OW 60Hz 83 81 5 79 5 78 76 5 77 5 77 79 77 5 50Hz 74 5 70 65 72 69 5 71 68 5 71 68 5 Extra high 60Hz 74 5 70 65 72 69 5 71 68 5 71 68 5 f 50Hz 74 5 70 65 72 69 5 71 68 5 71 68 5 heat High eating 60Hz 74 5 70 65 72 69 5 71 68 5 71 68
19. DN 14 When the setting data of the group address is set to 0000 or 0001 set the changeover switch for the header follower unit No 4 of SW703 to Header Changeover switch for pulse static SW701 No 1 Pulse ON Static OFF Changeover switch for the Indoor unit address SW702 No 1 to 4 SW703 No 1 and 2 7 Changeover 1 switch for the terminator 305 SW301 No 1 oem 1000 ON None OFF Changeover switch for the central control address SW703 No 3 Fix ON Auto OFF Changeover switch for the group address SW703 No 4 Header ON Follows OFF 147 2 Replacing the PC board for service 1 Replace the PC board with the one for service Apply the settings of the changeover switches SW701 SW702 SW703 and SW301 as before to the PC board for service When replacing the PC board of the header unit for an Air to Air Heat Exchanger system set the changeover switch for the group address No 4 of SW703 to Header ON 2 Turn on the Air to Air Heat Exchanger of which you replaced the PC board then proceed to 3 While performing group operation control with the air conditioners turn on all of the indoor units and Air to Air Heat Exchangers in the group About the switches on the circuit board of the Air to Air Heat Exchanger 0 Changing the header follower Header ON Follower OFF Sw7 O2 SW703 ON
20. 2090 INOHd33 208095 YHL emm 901NO A 1 amp 2 _ E i v a Josues VOL al z C me B ial LOEMS gt a 2 c 03009 2 22 1 T it 15 158 238v orno 7 4 AL 2 EX Ash z 3025 atst 8 5101 204 gt 1 HO 9 ddns peJ q3199Jnos JOMOd 28 7 3 Functions at Test Operation Checking ventilation mode test operation Starting and stopping test operation V Performing test operation from the indoor remote controller Wired remote controller Procedure Operation _ TEST When the button is pushed for 4 seconds or more TEST is displayed in the display section and the unit enters test operating mode 1 TEST 0 ON OFF 2 Press the 0 button 3 By using the amp button select or Errors are detected as usual 3 When the test operation is finished push the DON OFF button to stop the operation 4 The same display as procedure 1 appears in the display
21. 6 CONNECTOR 14 2 Red 5 CONNECTOR 14 2 Red 4322F 4 CONNECTOR 10 Brown 3 CONNECTOR 11 Brown m 2 CONNECTOR 3 3 White 1 CONNECTOR 3 4 White pues 8 CONNECTOR 13 Brown 7 CONNECTOR 13 Light blue Relay 6 CONNECTOR 3 3 White 5 CONNECTOR 3 4 White 4312F CONNECTOR 12 Red 3 CONNECTOR 12 Pink 2 Empty 1 Empty 2P Terminal 60 Remove the fasten terminals of CONNECTOR TB4 TERMINAL 2P 10 12 14 2P Terminal TERMINAL 2P 7 60 Remove the screw M4x10 that fixes the 2P terminal block and then remove the terminal CONNECTOR 10 White block CONNECTOR 12 White CONNECTOR 14 1 Red CONNECTOR 44 12 Red Terminal No 1 CONNECTOR 14 2 Red Screws 4 10 Terminal No 2 CONNECTOR 11 White 65 Component Procedure Note Electrical control base 2 67 Remove all the relay connectors four screws Lid holder BASE E PARTS M4x6 fixing the electrical control base BASE HOLDER LID 6 7 8 35 41 to 50 58 E PARTS and three screws M4x10 fixing the 4 61 lid holder HOLDER LID and electrical control ag contro base 2 E PARTS together to remove BOX ELECTRIC the control box PARTS Remove all the capacitors relay 2P terminal block and connectors Screws M4x10 45 72 Screws 4 6 Electrical control base 2 BASE E PARTS Electrical control box
22. 60Hz 36 5 40 Mode Low 50Hz 36 0 37 5 37 0 38 0 Sound pressure 60Hz 35 5 36 5 level dB 50Hz 38 0 39 0 41 0 42 5 tex ng 6082 39 5 425 Bypass 50Hz 36 5 37 5 39 5 41 0 Mode High 5082 36 5 40 T 50Hz 36 0 37 5 37 0 38 0 60Hz 35 5 36 5 50 2 76 5 73 5 o z Extra high 60Hz 76 5 73 5 5 Temperature Exchange Efficiency High 50Hz 16 5 73 5 I 60Hz 76 5 73 5 5 Te 50Hz 79 775 60Hz 79 77 5 50Hz 71 68 5 Extra high 6082 7i 68 5 2 50Hz 71 68 5 for heating High 5082 7 685 Low 50Hz 73 5 72 Enthalpy exchange 60Hz 73 5 72 Efficiency for cooling High 2088 et 605 Wr ERE 60Hz 64 60 5 Low 50Hz 67 65 5 60Hz 67 65 5 Frame Zinc steel sheets Motor 4 pole capacitor dielectric motor E type 5 PP resin Heat exchanger Special paper Resin E Filter Nonwoven fabric Collection effect weighing method 8296 2 Adapter Zinc steel sheets 8 External dimensions Length x Width x Height mm 1189 x 1189 x 810 Product weight kg 143 Applicable duct nominal diameter mm Indoor side 2250 outdoor side 283 x 730 Shape Corrugated board package amp Dimensions Length x Width x Height mm 1479 x 1341 x 918 z Weight kg 157 No of stacked boxes 2 Adapter 4 Screw 16 24 Installation Manual 1 Owner s Manual 1 Sound Power Level is less than 70 dBA Sound pressure level of the product is the value which was measured at the acoustic room Actually in the established cond
23. Applicable Model name A B C D E F G 1 J K L M duct nominal diameter VN M150HE 900 724 88 810 957 900 454 80 6098 110 121 290 145 0100 VN M250HE 900 670 115 810 957 900 454 97 145 158 162 290 145 150 VN M350HE 900 670 115 810 957 900 454 97 0145 Q158 162 290 145 8150 VN M500HE 1140 800 170 1050 1197 1140 454 80 0195 0212 350 175 200 VN M650HE 1140 800 170 1050 1197 1140 454 80 0195 212 350 175 200 VN M800HE 1189 800 195 1099 1246 1189 454 85 0245 0262 400 200 250 VN M1000HE 1189 800 195 1099 1246 1189 454 85 0245 0262 400 200 250 105 VN M1500 and 2000 Unit mm Damper motor Damper Heat exchange element 4 RA Return air EA Exhaust air Outdoor Indoor 9 side side 1189 800 12 SA Supply air OA Exhaust air Supply air Hanging bracket 4 4 13 x30 Oval hole 1189 Fixed part of 454 inspection cover ea Adapter 4 a Electrical control cover Filter x 2 Inspection cover Fixing lever Applicable duct nominal diameter indoor side 250 outdoor side 283 x 730 106 7 Installation E Attaching the adapter Attach the adapter to the unit using the accessory screws 4 or 6 Screws accessory 4 or 6 screws Adapter E Attaching the washer and the nut 1 Preparation of the hanging bolt nut and washer is required 2 Attac
24. External device 5 Lamp or management device Terminal block for external output Terminal block for external output If external devices is used working at a higher voltage and current than the rated values install a relay according to the diagram above Rated relay 220 240 VAC Connect to the terminal block for external output 1 and 2 in the electrical control box Connection wire locally procured 2 core wire H07 RN F 60245 IEC 66 1 0 mm to 2 5 mm Rated contact Maximum 240 VAC 1A 24 VDC 1A Minimum 220 VAC 100 mA 5 VDC 100 mA Contact is on during normal operation as factory default Contact is off during 24 hour ventilation mode nighttime heat purge operation delay mode or cold mode temperature is below 10 as factory default The operation output settings can be changed Refer to Setting for changing the operation output on page 138 129 5 Connecting an electric damper electric shutter External Output 220V 60Hz Power supply a 220 240V 50Hz Electric p 3 SEDE If external output is used working at a higher D yY voltage and current than the rated values install PM Contact a relay according to the diagram above diagram 5 for connecting an auxiliary fan Terminal block for external output Rated relay 220 240 VAC Connect to the terminal block for external output 3 and 4 in the electrical control box Connecti
25. TEST Push the 2 button to clear the test operating mode disappears from the display section and the status returns to normal stopped status 5 NOTE Test operation will return to normal operation after a lapse of 60 minutes During test operation the cold mode control and delayed operation are disabled Bypass mode ventilation n Bypass mode Bypass operation is performed regardless of the RA and OA sensor temperatures Automatic mode ventilation n the Air to Air Heat Exchanger system the ventilation mode is fixed to Heat Exchange Ifthe operation mode is Cooling or Heating in the Air to Air Heat Exchanger system linked with air conditioners the ventilation mode is fixed to Heat Exchange If the operation mode is Fan in the Air to Air Heat Exchanger system linked with air conditioners the ventilation mode is fixed to Bypass 29 Check function for operation of Air to Air Heat Exchanger This function is provided to check the operation of Air to Air Heat Exchanger singly without communication with the remote controller This function can be used regardless of operation or stop of the system However if using this function for a long time a trouble of the equipment may be caused Limit using this function within several minutes How to operate Short circuit CHK pin CN71 on the P C board How to clear Open CHK pin While the system is operating it stops once but automatically returns to
26. TRA CN105 Brown Connector of TOA sensor SENSOR TOA CN106 white TRA sensor SENSOR TRA Cable tie TOA sensor SENSOR TOA 27 TOA sensor SENSOR TOA 1 2 6 33 34 Upper unit only 34 Release the small clamp CLAMP and big clamp CLAMP that fix the TOA sensor SENSOR TOA then remove the TOA sensor TOA sensor SENSOR TOA 59 Component Procedure Note 28 Connector CONNECTOR 3 5 7 to 18 6 7 35 35 Cut the cable tie that fixes the connector CONNECTOR 3 5 7 to 18 then pull out the fastening terminals of the connectors Note When cutting the cable tie be careful not to cut the lead wire unintentionally Note on connecting Connect the fastening terminal firmly and make sure the fastening terminal holds the tab terminal securely Do not insert the tab terminal between the fastening terminal and sleeve A Note on connecting Insert the connector firmly After inserting the connector pull it slightly to make sure it is firmly inserted CONNECTOR 5 CONNECTOR 10 2P connector CONNECTOR 9 Lower unit CONNECTOR 15 6P connector red Fixed with panel lock CONNECTOR 16 6P connector white Fixed with panel lock CONNECTOR 7 Upper CONNECTOR 15 Lower p CONNECTOR 5 CONNECTOR 16 CONNECTOR 7 CONNECTOR 17 CONNECTOR 15
27. the air conditioner the latter operation overrides the former regardless of which device is used The remote controller for the Air to Air Heat Exchanger NRC 01HE can be used to control the ventilation fan speed and ventilation mode of the Air to Air Heat Exchanger If the remote controller for the air conditioner RBC 2 and RBC AMS41E is used the ventilation fan speed or ventilation mode of the Air to Air Heat Exchanger can not be controlled The remote controller for the air conditioner or the Air to Air Heat Exchanger can be used to ON OFF the Air to Air Heat Exchanger separately Setting modifications are required for separate control Refer to 11 Advanced control on page 131 117 Air to Air Heat Exchanger system Air to Air Heat Exchanger system linked with air conditioners System example A Central control None No of Air to Air Heat F Exchangers 1 Multiple 1 Multiple Operation together with the air conditioners No vc Remote controller inter unit wiring Not necessary Necessary Central control wiring Not necessary 1 Line system address Fixed The line system address is fixed as 31 for the Air to Air Heat Exchanger 2 Changing the indoor Not necessary Necessary Not necessary Necessary unit address No 1 to 4 of SW702 No 1 and 2 of SW703 Factory default 1 No duplication Factory default 1 Factory default 1 No duplication Factory def
28. 1 4 way cassette type 2H series only Selects a louver to control when adjusting the louver lock setting or wind direction setting separately for each louver 12 c button Temperature set button Adjusts the set temperature Select the desired set point by pushing TEMP TEMP 13 g button Ventilation fan speed button Used to select the ventilation fan speed 11 You can stop 24 hour ventilation temporarily by pressing and holding the button for 4 seconds while 24H is displayed T9 14 S button Ventilation mode button Used to select a ventilation mode 15 button Filter elevating button 1 This function is not available OPTION Remote controller sensor 1 Normally the temperature sensor of the indoor unit senses the temperature The temperature around the remote controller can also be sensed For details contact your dealer Do not use the function when the air conditioner is controlled in a group 1 This function is not available for Air to Air Heat Exchanger will be displayed for few seconds when the unit is running in a system equipped with only the Air to Air Heat Exchanger Display section All indicators are displayed on the display example below for explanation In reality only the selected options will be displayed Indications concerning controlling the Air to Air Heat Exchanger are explained here For indications concerning an air con
29. 2 1 Galvanized steel sheet Filter 8 Nonwoven fabric Electrical control base 1 Galvanized steel sheet 8296 Electrical control base 2 1 Galvanized steel sheet Damper 2 Inspection cover 2 Galvanized steel sheet Damper motor 2 Motor Exhaust air 2 Hanging bracket 4 Galvanized steel sheet Motor Supply air 2 Fixing lever 2 SUS304 13 4 Connection diagram FM2 Connector White U Connector Connector White c Black 222 Connector Black Qu Connector White Red Gray Light blue Connector Red External out 220 240V put under 1A each o nnector White E output External damper output Abnormal Bypass mode output 5 External input sold separately NE PETER No voltage a contact input 1 Common 472 Remote controller operation 3 Ventilation fan speed 4 Ventilation mode 5 Operation TB3 Voltage DC 12V 24V input 24 Air to Air Heat Exchanger n Represents the connector to switch between Extra High 7 and High Wiring for central Pwet supply for the Air control to Air Heat Exch 220 240V o controller sold 220V 60Hz separately Code Part name Code Part name Code Part name CN Con
30. 4 of controller display SW703 The group address of an Air to Air Heat Exchanger unit does not need to be specified Air conditioner group RBC AMT32E RBC AMS41E can be used 1 RBC AMT32E RBC AMS41E and NRC 01HE can be used NRC 01HE can be used Air to Air Heat Exchanger group Remote controller RBC AMT32E cannot be connected RBC AMS41E be used 1 NRC 01HE can be used The group header must be an indoor unit compatible with Air to Air Heat Exchange If the group header is an indoor unit not yet compatible with Air to Air Heat Exchange the linkage operation is possible Note but the ventilation fan speed and mode of the Air to Air Heat Exchanger cannot be changed can be changed depending on the DN setting Air to Air The group follower can run without any problems even if it is an Heat indoor unit not yet compatible with Air to Air Heat Exchange Exchanger Central Controller for Central Controller for and Air 64 128 units groups 64 128 units groups Conditioner TCB SC642TLE2 TCB SC642TLE2 DI SDI U3U4 BMS CM1280TLE u3u4 BMS CM1280TLE series Air conditioner Air condilioner Air to Air Heat Air to Air Heat Air to Air Heat Exchanger Air to Air Heat Exchanger remote controller remote controller Exchanger Exchanger remote controller remote controller RBC AMT32E RBC AMT32E remote controller remote controller NRC 01HE NRC 01HE NRC 01HE NRC 01HE Line address 1 1 31 31 1 1 31 31 Indoor unit address 1 2 1
31. 5 50Hz 76 74 71 5 73 5 71 5 715 71 5 73 5 72 OW Enthalpy 60Hz 76 74 71 5 73 5 71 5 71 5 71 5 73 5 72 exchange Efficiency 50Hz 69 5 65 60 5 64 5 61 5 64 60 5 64 60 5 Extra high 60Hz 69 5 65 60 5 64 5 61 5 64 60 5 64 60 5 50Hz 69 5 65 60 5 64 5 61 5 64 60 5 64 60 5 for cooling High 60Hz 69 5 65 60 5 64 5 61 5 64 60 5 64 60 5 502 71 69 67 66 5 64 65 5 64 5 67 65 5 OW 60Hz 71 69 67 66 5 64 65 5 64 5 67 65 5 aa dimensions Length x Width x Height 900 x 900 x 290 1140 x 1140 x 350 1189 x 1189 x 400 1189 x 1189 x 810 Product weight kg 36 36 38 53 53 70 70 143 143 indoor side 250 Applicable duct nominal diameter mm 100 8150 200 0250 outdoor side 2834730 Sound Power Level is less than 70 dBA 90 1 OBefore calling for service Check the points described below before asking for repair servicing Symptom Cause Operation does not start after pressing the button Is the circuit breaker turned off Has a power failure occurred Does the indicator light up The ventilation delay setting is set to ON and it is not malfunction The Air to Air Heat Exchanger will start running after the time set has passed Consult your dealer for details The unit runs though the operation lamp does not turn on Does the or 24H indicator appear on the display The nighttime heat purge operation or 24 hour ventilation is set to See page 83
32. 6 Nighttime heat purge temporary stop condition one hour stop 5 or RA set temperature or OA amp RA 10 C 12 5 C or one hour has passed since the start of nighttime heat purge 7 Nighttime heat purge stop termination conditions The air conditioners or Air to Air Heat Exchangers start operation When single operation of the fan is performed while 22 is lit nighttime heat purge stops When single operation of the Air to Air Heat Exchanger is stopped the mode does not return to Nighttime heat purge 48 hours have passed since the start of nighttime heat purge operation start of temperature monitoring operation 8 When nighttime heat purge operation stops The display goes out CODE No DN 4C I47 lights up 21 Specification outline Remarks Nighttime heat A rae control Nighttime heat purge control continued 32 28 _ 24 z lt 20L o o 5 16 2 lt 12 Minimum 8 4 8 12 16 20 24 28 32 RA Return Air Air to Air Heat Exchangers and air conditioners are stopped 6 Y Nighttime heat purge setting valid Set time to start of monitoring operation between 1 and 48 hours Y Remain stopped Monitoring operation 5 minutes of Heat Exchange RAZOA and 3 C and
33. Air to Air Heat Exchanger set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the electrical control cover or inspection cover of the Air to Air Heat Exchanger and do the work required Inside the Air to Air Heat Exchanger are high voltage areas and rotating parts Due to the danger of electric shocks or of your fingers or physical objects becoming trapped in the rotating parts do not remove the electrical control cover or inspection cover of the Air to Air Heat Exchanger When work involving the removal of these parts is required contact a qualified installer or a qualified service person Do not move or repair any unit by yourself Since there is high voltage inside the unit you may get electric shock when removing the cover and main unit Use of a stand more than 50 cm high to clean the filter or heat exchange element of the Air to Air Heat Exchanger or to carry out other such jobs constitutes working at heights Due to the danger of falling off the stand and injuring yourself while working at heights this kind of work should not be done by unqualified individuals When this kind of work must be carried out do not do it yourself but ask a qualified installer or a qualified service person to do it for you Do not place any combustion appliance in a pl
34. Airconditioning Condicionado LDA Avenida do Hungary Petersgasse 45 A 8010 Graz Greece S A 4g Andersen street Portugal Forte Nr 3 Editi cio Suecia Austria 11525 Athens Greece 1 1 Camaxide 2794 043 Holland Portugal INTERCOOL Technics BV Nikkelstraat 39 Postbus 76 2980 AB Ridderkerk Netherlands The manufacturer reserves the right to change any product specifications without notice 93 Manufacturer Representative TCF holder Declaration of Incorporation of Partly Completed Machinery Toshiba Carrier Corporation 336 Tadehara Fuji shi Shizuoka ken 416 8521 JAPAN Toshiba Carrier UK Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Hereby declares that the machinery described below Generic Denomination Air to Air Heat Exchanger Model type Commercial name Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Must not be put into service until the final machinery into which it is to be incorporated has been declared in VN M150HE VN M250HE VN M350HE VN M500HE VN M650HE VN M800HE VN M1000HE VN M1500HE VN M2000HE TOSHIBA Air to Air Heat Exchanger conformity with the provisions of Machinery Directive where appropriate NOTE This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent
35. CONNECTOR 16 Relay RELAY LY2F L AC230V 2P Terminal TERMINAL 2P CONNECTOR 10 CONNECTOR 11 60 Component Procedure Note 28 Connector 3 CONNECTOR 3 7 36 59 36 Pull out the fastening terminal of the relay Relay RELAY LY2F L AC230V CONNECTOR 3 x4 29 Connector 5 CONNECTOR 5 6 30 35 37 37 Pull out the fastening terminal of the external terminal block TERMINAL BLOCK 5P Remove the connector of the PC board PC BOARD 30 Connector 7 CONNECTOR 7 6 29 35 38 38 Pull outthe fastening terminal of the power supply terminal block TERMINAL BLOCK 2P Remove the connector of the PC board PC BOARD 31 Connector 8 CONNECTOR 8 6 31 35 39 39 Pull out the fastening terminal of the communication wire terminal block TERMINAL BLOCK 4P Remove the connector of the PC board PC BOARD 61 Component Procedure Note Connector 9 CONNECTOR 9 1 2 6 7 20 to 22 35 40 41 40 Remove the connector of the damper motor MOTOR LOUVER 41 Remove the 6P connector of CONNECTOR 18 connected to CONNECTOR 9 Wiring flow from the damper motor MOTOR LOUVER PC BOARD CONNECTOR 9 CONNECTOR 18 PC BOARD CONNECTOR 9 x2 Connect to damper motor MOTOR LOUVER Connect to CONNECTOR 18 CONNECTOR 9 Connections in the upper unit CONNECT
36. Component Procedure Note Connector 16 53 Remove the connector fixed panel locked onto connector red CONNECTOR 16 the electrical control box BOX ELECTRIC Fix onto the electrical 6 7 35 49 53 54 PARTS control box BOX 54 Remove the connector of the PC board 39 i 5P connector white Connect to the PC board 5P connector red Connect to the PC Connector 17 55 Remove the connector connecting 5P connector white CONNECTOR 17 CONNECTOR 17 and CONNECTOR 18 Connect to 6 35 55 56 56 Remove the connector of the PC board CONNECTOR 18 40 6P connector white Connect to the PC board Connector 18 57 Remove all the relay connectors and four screws sp connector white CONNECTOR 18 M4x6 and M4x10 fixing the electrical control box Connect to 6 7 8 35 41 44 47 49 BOX ELECTRIC PARTS to remove the control CONNECTOR 17 6P connector white 55 57 box Peel off the filament tape fixed on the back to Connect to 18 CONNECTOR 9 in the lower unit 6P connector white Connect to CONNECTOR 9 in the upper unit Back of the electrical control box BOX ELECTRIC PARTS 41 __ Screws M4x6 Filament tape CONNECTOR 18 Screws M4x10 Electrical control box BOX ELECTRIC PARTS Capacitor 58 Remove the fasten terminal of CONNECTOR 10 Upper unit CAPACITOR or CONNECTOR 11 exhaust 7 58 Remove that of CONNECTOR 10 for the motor Connect
37. Delayed operation control 1 The delay setting needs to be changed with CODE No DN 4B of the DN setting in the Air to Air Heat Exchanger system linked with air conditioners After pressing the ON OFF button operation of the Air to Air Heat Exchanger is delayed by SET DATA of DN x 10 minutes 0000 No delay factory default 0001 0006 Delay by SET DATA of DN x 10 minutes The delay time can be set between 10 and 60 minutes in the unit of 10 minutes f the VENT button is pressed during single operation of Air to Air Heat Exchangers delayed operation is not performed 2 During delayed operation lights up CODE No DN 4B lights up 20 NO Item Specification outline Remarks Nighttime heat purge control This function is valid only for the Air to Air Heat Exchanger system linked with air conditioners invalid for the Air to Air Heat Exchanger system 1 If the ON OFF button is pressed during operation the Air to Air Heat Exchangers and the air conditioners stop and the system enters the nighttime heat purge mode standby mode The setting of nighttime heat purge Valid Invalid needs to be changed with CODE DN 4 of the DN setting 0000 Invalid factory default 0001 0048 Temperature monitoring operation starts after SET DATA of DN x 1 hour 2 Conditions that make the nighttime heat purge setting valid Only when the air
38. EEPROM arrangement figure on page 148 Reattach the EEPROM for service Attach the EEPROM as before on the PC board for service Vv Replace the PC board for service and turn the power on 2 See page 147 S Writing in of the readout EEPROM data 3 See page 148 Vv Reset the power supply for all Air to Air Heat Exchangers including the indoor units connected to the remote controller while performing group operation v Case 3 When you cannot read the setting data due to a problem with the EEPROM before you replace the board Replace the PC board for service and turn the power on 2 See page 147 S Writing in of the setup the setting data such as the model code capacity code 24 hour ventilation settings etc on the EEPROM according to client information 3 See page 148 7 Reset the power supply for all Air to Air Heat Exchangers including the indoor units connected to the remote controller while performing group operation 146 1 Readout of the setup data from the EEPROM Read both the setting data adjusted locally and the factory default setting data 1 Press and hold the e amp c buttons for 4 seconds at the same time corresponds with the numbers Remote controller NRC 01HE on page 148 While performing group operation control with the air conditioners the unit No displayed first represents the header indoor unit The code DN 0 is displayed In addition
39. Exchanger Air Heat Exchanger VN M OO HE VN OO TE VN 1K TAE VN 1K TBE Remote controller Not on the assumption of connection with an Air to Air Heat NRC 01HE Exchanger unit or via general purpose device interface Pattern 1 Possible Pattern 2 Possible When a unit not yet compatible with Air to Air Heat Exchange is connected the ventilation mode and fan speed cannot be displayed but the linkage and Air to Air Heat Exchanger stand alone operations are possible Changing the ventilation mode and fan speed is also possible depending on the DN setting 36 Pattern 3 Not Possible Pattern 4 Not Possible Pattern 5 Not Possible Pattern 6 Not Possible 37 7 8 9 nit c TH pts frin Heat Exchange oe ompatibe need to set a compatible unit a B Be ples 38 E List of Indoor Units SMMS Series Compatible with the Air to Air Heat Exchanger Unit in the tables indicates an indoor unit compatible with the Air to Air Heat Exchanger unit For the 4 way air discharge type 2 way air discharge type products produced in September 2010 or later are compatible o in the tables indicates an indoor unit not yet compatible with the Air to Air Heat Exchanger unit The linkage operation is possible but changing the ventilation mode and fan speed is not possible Will be possi
40. Fan motor relay circuit Fan motor relay circuit Indoor unit address switching Group address switching Central control address switching Pulse Static switching External input Remote controller invalid Low High Bypass mode Heat Exchange mode Start Stop communication circuit Central 220 240V 50 Hz control 220V 60 Hz Power supply 27 Up to 8 units can be connected 1 A weekly timer cannot be connected to a subremote controller Power supply Power supply it Board Ircul Indoor Printed Ci 7 2 1615 0ZMS ZOZMS sseJppe y Jo 5 OY J0J YMS yun JOOPU y JO YOUMS JOAO BUeUD AZLO pe GOLNO LOZMS AZLOG euuv 09 904NO 0 aym LOLNO 202 0 Jeduieq y Andino eui 4JO OW y 10 sJojeuuo oneis esingd JO O9UUOD S1OJ B9UUOD Ajddns ugy ysneyxy 431 uoneoiunuiuioo Leste ir ING 23 LLL id Me C eosa oun hae Fas Se sine cM 431 1 0 000 2 J IET NT ems s ie 4 IPGA
41. Heat Exchanger by powering on off 0000 Invalid Adjusting this setting is necessary for the header unit System equipped with the Air to Air Heat Exchanger only EA Changing the ventilation mode 0001 Bypass mode 0002 Heat Exchange mode 0003 Automatic mode Compatible with systems without a remote controller and RBC AMT32E RBC AMS41E 0003 Automatic mode 1 Changing the ventilation Fan speed 0002 High 0003 Low 0004 Imbalanced High may be Extra High Compatible with systems without a remote controller and RBC AMT32E RBC AMS41E 0002 High 1 Automatic ventilation control in air conditioning linkage 0000 Valid only when air conditioner is running 0001 Valid even when air conditioner is stopped 0002 Invalid Control Air to Air Heat Exchanger only Automatic ventilation control setting in air conditioning linkage 0000 Valid only when air conditioner is running Adjusting this setting is necessary for all the Air to Air Heat Exchangers in the group ED Changing the operation output 0000 ON during normal operation 0001 ON during normal operation 24 hour ventilation or nighttime heat purge operation 0002 ON during 24 hour ventilation or nighttime heat purge operation 0003 ON when SA fan is running 0004 ON when EA fan is running 0000 ON during normal operation Adjusting this setting is necessary f
42. Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications IIlustrated marks and keep them Explanation of indications Indication Explanation DANGER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the repair AN WARN G engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the repair AN CAUTION engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Mark Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentenc
43. OFF linked 0000 The Air to Air Heat Exchanger starts stops together with the starting stopping of an external device The latter operation of the remote controller or the switch of the external device overrides the former 0001 The Air to Air Heat Exchanger starts together with the starting of an external device Use the remote controller to stop operation 0002 The Air to Air Heat Exchanger stops together with the stopping of an external device Use the remote controller to start operation E Ventilation mode setting The setting of the ventilation mode can be changed when the remote controller for air conditioners RBC AMT32E RBC AMS41E or a system without a remote controller is used Adjusting this setting is necessary for the header unit when an Air to Air Heat Exchanger system is used RBC AMT32E can not be used and for the Air to Air Heat Exchanger with the smallest address number when an Air to Air Heat Exchanger system linked with air conditioners is used When the remote controller NRC 01HE is installed this setting is invalid The remote controller can be used for operation Select EA in step 3 on page 131 Select a value from the table on the below in step 4 on page 131 Code SET DATA 0000 0001 0002 Automatic mode EA Changing the ventilation mode Bypass mode Heat Exchange mode Factory default E Ventilation Fan speed setting The setting of the ve
44. U1lu2 His mS u1lu2l il amp 4 e U1lu2 d LIN usju4 B LIN 8 LIN usju4 B Y UN Y YN Power suppl Power suppl Power suppl pply 1 pply pply ia ff OX eM j A H Remote controller M ae Remote controller header Remote controller inter unit wiring follower For group control install remote controller inter unit wiring between the units Up to 8 units can be installed for group control Changing the group address No 4 of SW703 Settings for changing the group address are necessary Select Header ON for only one unit Select Follower for the other units Settings of the header unit reflect the indications of the remote controller Factory default Follower Changing the indoor unit address No 1 to 4 of SW702 No 1 and 2 of SW703 Settings for changing the indoor unit address are necessary Do not duplicate the value 1 to 64 The header unit does not need to be selected as 1 Factory default 1 Air to Air Heat Exchanger system linked with air conditioners Ht Power supply Outdoor unit D c M X Na Control wiring between indoor and outdoor units 1 ut Control wiring between indoor units fae An ra E Sane Te EEN ee oo aod Indoor unit Indoor unit TE Air to Air Heat Exchanger Air to Air Heat
45. default 0001 Exhausting fan stops Zone Zone criterion Bypass mode permitted zone gt Zone OA RA 10 C 12 5 C Zone A Zone B OA 5 10 or OA 5 RA 36 C Zone B Zone C OA 15 C or 5 RA 41 C Zone C Zone B OA amp 13 or OA 2 RA 39 C Zone B gt Zone A OA 2 8 CorOA2 RA 34 C Zone A Bypass mode permitted zone OA 2 RA 10 C 14 5 C Cold mode control 7 20 ined zone __ Heat Exchange condition EE E EFHLCLELELEELELI H HH Even in Bypass mode the mode is automatically switched to Heat Exchange OA Outdoor Air Zone B The supplying fan operates intermittently The exhausting fan runs continuously Zone C The supplying fan operates intermittently The exhausting fan operation is set in the DN 4 8 12 16 20 24 28 32 RA Return Air 23 NO Item Specification outline Remarks Cold mode control continued Operating OAs RA 10 C 12 5 i DN 4D N Exhausting fan runs 0 000 __ Heat Exchange mode continues Heat Exchange Supplying fan stops OFF for 10 minutes and ON for 60 minutes Exhausting fan runs continuously Heat Exchange Supplying fan stops OFF for 60 minutes and ON for 5 mi
46. has been trained in matters relating to electrical work on the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person is a person who installs repairs maintains relocates and removes the Air to Air Heat Exchanger made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair Qualified service relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local person laws and regulations and h
47. high voltage inside the unit You may get electric shock when removing the cover and main unit Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Confirm whether there is a risk of the Air to Air Heat Exchanger falling down during maintenance or repairing work Before opening the Supply Exhaust air grill set the circuit breaker to the OFF position Otherwise your hand may be caught in the rotating parts inside and an injury may result Selection of installation location Do not install the Air to Air Heat Exchanger in a location that may be subject to a risk of exposure to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur When transporting the Air to Air Heat Exchanger wear shoes with additional protective toe caps protective gloves and other protective clothing When transporting the Air to Air Heat Exchanger do not take hold of the bands around the packing carton You may injure yourself if the bands should break Install the Air to Air Heat Exchanger at least 2 5 m above the floor level since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the Air to Air Heat Exchanger while it is running Do not place any combustion appliance in a place where it is directly exposed to the wind of Air to Air Heat Exchanger otherwise it may cause imperfect combusti
48. in Low ventilation fan speed and Bypass mode when the conditions to start the nighttime heat purge operation below are fulfilled The nighttime heat purge operation is paused for one hour if any of the conditions to pause the operation are detected If the conditions to start the nighttime heat purge operation are fulfilled one hour after the pause the operation will start again If not the operation will remain paused for one more hour This cycle is repeated until the conditions to stop end the nighttime heat purge operation below are fulfilled 85 The conditions to start the nighttime heat purge operation The unit compares temperatures indoor and outdoor using the monitoring operation for about 5 minutes and will start the nighttime heat purge operation if the following conditions are fulfilled 1 Acertain amount of time has passed between the nighttime heat purge operation becoming on standby and the monitoring operation starting The time is set between 1 48 hours in 1 hour steps 2 The indoor temperature is 3 C or more higher than the outdoor temperature and the indoor temperature is 2 C or more higher than the temperature set for the operation The conditions to pause the nighttime heat purge operation the operation pauses for one hour 1 The indoor temperature is the same or lower than the outdoor temperature the indoor temperature is the same or lower than the temperature set for the
49. in the following table Check code list Indoor Air to Air Heat Exchanger unit Check code Remote controller amp Typical cause of error Description TCC LINK central controller Indoor unit remote controller regular No data is received from the remote controller or network adapter Also E03 communication error no central control communication E08 Duplicate indoor addresses An address the same as the self address was detected E18 Header indoor unit indoor follower Regular communication is not possible between the header and follower unit regular communication error indoor units Outdoor air temperature sensor Open circuit or short circuit of the outdoor air temperature sensor TOA F17 TOA error was detected F18 Return air temperature sensor TRA Open circuit or short circuit of the return air temperature sensor TRA error was detected F29 Indoor unit or other P C board error EEPROM error Another error may have been detected 03 Duplicate header indoor units There are two or more header units in the group 108 Indoor group address not set The indoor address group has not been set May also be detected on the outdoor unit side 09 Indoor power level not set The indoor power level has not been set L20 Duplicate central control addresses Central control addresses are duplicate P31 Other indoor unit error The follower unit in the group cannot be run due to the E03 L07 L
50. is Automatic heating or Heating mode In Fan mode the zone is determined by the automatic ventilation mode control in the Air to Air Heat Exchanger system The setting of the automatic ventilation control in the Air to Air Heat Exchanger system linked with air conditioners can be changed with CODE No DN EC of the DN setting 0000 Valid only when the air conditioner is running factory default When the air conditioner is stopped the zone is determined by the automatic ventilation mode control of the Air to Air Heat Exchanger system 0001 Valid even if the air conditioner is stopped If the air conditioner is stopped the zone is determined by the operation mode and set temperature before stop 0002 Invalid The zone is determined by the automatic ventilation mode control in the Air to Air Heat Exchanger system 2 The Bypass condition at the time of automatic ventilation mode control in the Air to Air Heat Exchanger system linked with air conditioners excluding Fan mode Cooling zone 2 OA 3 C and 2 set temperature 2 and OA 2 RA 10 C 14 5 C and RA 2 20 C Heating zone OA 2 RA 3 C and RA set temperature 2 C and 2 RA 10 C 14 5 C and RA lt 27 C Condition for returning to Heat Exchange determined by the set temperature before stop even when the air conditioner is stopped For details see the section Cold Mode Control Cooling zone RA set temperature 2 C or
51. of the mode setting to prevent condensation in the Air to Air Heat Exchanger The indication of the ventilation mode setting does not change 3 Standard installation example Concealed microcomputer control type V VN M150 to 1000HE Pipe hood Hanging bolt Outdoor air intake duct Supply air duct VAR sA Supply lt air s a EN Heat insulation material Return air intake duct OA Outdoor air EA Exhaust air Indoor supply opening Supply Exhaust air grille Exhaust air Room intake duct opening Supply Exhaust air grille V VN M1500 and 2000HE Hanging bolt SA Supply air Outdoor air intake duct a Inside supply opening Supply Exhaust air grille Exhaust air duct Return air duct Heat insulation material Room intake opening Supply Exhaust air grille NOTE The printed indications on the unit become upside down when the unit is installed upside down 74 4 System configuration The control method of this product differs depending on the system configuration Operate it following the methods explained in the system configuration examples below For the actual system configuration ask your dealer or the installer of the product for information Refer also to the installation manuals and owner s manuals of the remote controllers If you use the central remote controller refe
52. operation or one hour has passed since the nighttime heat purge operation started The conditions to stop end the nighttime heat purge operation The nighttime heat purge operation ends and the indicator disappears if any of the following conditions are fulfilled 1 The air conditioner or Air to Air Heat Exchanger is started 2 48 hours has passed since the monitoring operation started NOTE The setting of the nighttime heat purge operation is OFF As factory default Consult your dealer to change the setting to ON or the setting of the time until the monitoring operation starts The settings of g or S cannot be changed during the nighttime heat purge operation Their indicators are not displayed The 2 indicator stays lit while the operation is on standby or paused The nighttime heat purge operation cannot be activated if 24 hour ventilation is activated AN CAUTION The nighttime heat purge operation is not executed if the outdoor temperature becomes about 15 or less to prevent condensation in the Air to Air Heat Exchanger but the indicator is still lit 7 Timer operation Select a timer type from the following three Max 168 hours Stops running after a specified period every time the unit is used OFF timer Stops running after a specified period Repeat OFF timer On timer Starts running after a specified period Setting the timer Push the OF b
53. product to remove it Machine screws with captive washer M8x16 Machine screws Screws M4x6 with captive washer M8x16 12 Remove the box nut spring washer and washer NUT that fix the fan FAN then remove the fan Note Box nut Do not lose the key and washer left in the motor WASHER 4 Spring washer shaft Washer 53 Component Procedure Note 10 Supply motor MOTOR SUPPLY Motor holder HOLDER MOTOR 1 2 4 to 8 10 to 13 13 Remove the screws that fix the supply motor MOTOR SUPPLY then remove the motor Motor holder HOLDER MOTOR Hexagon head screws M8x16 11 Exhaust motor MOTOR EXHAUST Motor holder HOLDER MOTOR 1 2 4 to 12 14 14 Remove the screws that fix the exhaust motor MOTOR EXHAUST then remove the motor 12 Exhaust casing CASE ASSY EXHAUST 1 2 4 5 15 15 Pull the exhaust casing CASE ASSY EXHAUST to the former location of the foam cover COVER FOAM pull the bottom toward you then turn it horizontally to pull it out Exhaust casing CASE ASSY EXHAUST 13 Coupling COUPLING 16 17 16 Remove the screws M4x6 M4x10 that fix the coupling COUPLING then remove the coupling There is one on the inspection cover LID SERVICE and one on the Lid holder HOLDER LID Screws M4x6 Inspection cover LID SERVICE Lid holder HOLDER LID Screws M4x10
54. regulations and laws Use of wiring which does not meet the specifications may give rise to electric shocks electrical leakage smoking and or a fire Connect earth wire Grounding work Incomplete earthing causes an electric shock Do not connect earth wires to gas pipes water pipes and lightning rods or earth wires for telephone wires After completing the repair or relocation work check that the earth wires are connected properly Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws Use an exclusive power supply circuit for the Air to Air Heat Exchanger at the rated voltage Install the circuit breaker where it can be easily accessed by the agent When installing the circuit breaker outdoors install one which is designed to be used outdoors Under no circumstances must the power cable be extended Connection trouble in the places where the cable is extended may give rise to smoking and or a fire Electrical wiring work shall be conducted according to law and regulation in the community and installation manual Failure to do so may result in electrocution or short circuit When carrying out electric connection use the wire specified in the Installation Manual and connect and fix the wires securely to prevent them applying external force to the terminals Improper connection or fixing may result in fire Test run Before operating th
55. result in a fire electric shocks and or injury Do not install the unit and inside air intake in a place such as a machine factory chemical plant or research institute where acids alkaline organic solvents or coating materials are handled and toxic gases and or corrosive gases may be produced Otherwise gas poisoning may occur and or the inside of the unit may be eroded or deteriorated The deterioration and erosion may result in a fire Do not use Bypass mode when heating the room in winter Water condensed on the unit may drip onto the ceiling board and may soil the ceiling Do not use the unit in a place where it is hot 40 or higher or where much oily smoke is produced and do not directly expose the unit to flame Doing so may result in a fire Do not expose animals or plants to the wind from the unit Doing so may harm the animal or plant Do not use a flammable spray near the unit or inside air intake Doing so may result in a fire B Disposal Dispose of Air to Air Heat Exchanger in accordance with the 2002 96 EC Directive WEEE Waste Electrical and Electronic Equipment 71 B Information on the transportation handling and storage of the carton Examples of indication on the carton Symbol Description Symbol Description f M Keep dry Do not drop DO NOT DROP Do not lay down 2 cartons S Stacking height 3 cartons can be stacked in this case This side up
56. running properly After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off the power breaker After repair work installation of electrical control cover and inspection cover has finished execute a test run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the electrical control cover and inspection cover Be sure to fix the screws back which have been removed for installation or other purposes Check after reinstallation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the Air to Air Heat Exchanger It is dangerous for the Air to Air Heat Exchanger to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result Check the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not caught in the product 3 There is no inclination or unsteadiness and the installation is stable If check is not executed a fire an electric shock or an injury is caused Installation Only a qualified installer 1 or qualified service person 1 is allowed to install the Air to Air Heat Exchanger If the Air to Air Heat Exchanger is installed by an unqualified individual a fire elect
57. standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work When working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below When executing address setting test run or troubleshooting through the checking window on the electric parts box put on insulated gloves to provide protection from electric shock Otherwise you may receive an electric shock Use a hand track or forklift to carry the unit When carrying it by human power have four persons or more VN M150 to 1000HE eight persons or more VN M1500 and 2000HE otherwise you may strain your back When transporting the Air to Air Heat Exchanger wear shoes with protective toe caps protective gloves and other protective clothing When transporting the Air to Air Heat Exchanger do not take hold of the bands around the packing carton You may injure yourself if the bands should break Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws Use of wiring which does not meet the specifications may give rise to electric shocks electrical leakage smoking and or a fire Exchange to parts specified in service manual which meet the specification or listed in parts list of service
58. successively Select the Air to Air Heat Exchanger to change settings When the unit is selected the fan starts running to indicate the selected unit The unit number of the Air to Air Heat Exchanger is 31 OO OO represents the indoor unit address specified with No 1 to No 4 of SW702 and No 1 and No 2 of SW703 For NRC amp indicator lights up Dok kk Using TEMP Cz buttons specify CODE No 4 5 Using TIMER time buttons select SET DATA 1 Push button When the display changes from flashing to lit the setup is completed To change settings of another indoor unit repeat from Procedure 2 To change other settings of the selected indoor unit repeat from Procedure 3 Use 5 button to clear the settings To make settings after button was pushed repeat from Procedure 2 When settings have been completed push button to determine the settings When button is pushed SETTING flashes and then the display content disappears and the air conditioner enters the normal stop mode While SETTING is flashing no operation of the remote controller is accepted 132 Codes DN codes for changing settings Codes in the table below are necessary for local advanced control High may be Extra High Compatible with systems without a remote controller and RBC AMT32bE Code Descri
59. the notes and client information use the button to enter the data on the notes then press the 5 button Confirm that the indicator lights up 2 If the data is the same go to the next step 6 Use the ct 25 buttons 4 C gt to change the code DN Compare the setup data as in step 7 Change the setup data according to the notes recorded before replacing the PC board DN 14 As the group address setting is specified by No 4 of SW703 you need not change the setting 9 Repeat steps 7 and 8 10wnen the setup are complete press the e button to return to normal operation The unit stops o It takes about 1 minute to resume operation on the remote controller The code DN is between 0 and FF Some DN numbers are skipped Even if you change the setting data by mistake and press the button you can recover the setting data by pressing the button only before changing the code DN Remote controller NRC 01HE EEPROM arrangement figure The EEPROM 1C503 is attached to the IC socket Use tweezers to remove the EEPROM When you attach it to the IC socket align the direction as in the figure on the right When you replace the EEPROM be careful not to bend any IC wires EEPROM EEPROM Attach the EEPROM to the IC socket Notch with the notch of each facing in the same direction IC socket Ad Notch 148 Notes for the setting items Code list Example
60. the unit is running The indicator is not displayed when the unit is running in a system equipped with only the Air to Air Heat Exchanger 1 Not displayed These functions are not available for Air to Air Heat Exchanger 6 How to use E When using the remote controller for the Air to Air Heat Exchanger NRC 01HE When the Air to Air Heat Exchanger is used for the first time or change the settings operate the remote following the procedure below From the next time the unit starts running following the set operation conditions by just pressing the muon button Preparation Turning on the circuit breaker When turned on the separation lines appear and blinks on the display of the remote controller The remote controller will not work for about 1 minute after turning on the power This is not a malfunction Air to Air Heat Exchanger system linked with air conditioners is used turn on the circuit breaker for the air conditioners too REQUIREMENT Keep the circuit breaker turned on during use Foran Air to Air Heat Exchanger system linked with air conditioners when the system is used after a long period of disuse turn on the circuit breaker of the unit and air conditioners 12 hours or more before starting operation E Operations o xw S82 xem Apo ones The indications 27427 and QAX are displayed only when the imbalanced ventilation fan speed setting is activated
61. the units in the group all the air conditioners and the Air to Air Heat Exchanger operate together voltage a contact connect the positive pole to terminal 5 Contact for microcur and the negative pole to terminal 1 DC12 V 1 mA If a polar contact such as a photocoupler is used with a no Specification of the external contact rent 2 Operating together with a pulse transmission device such as a building management system separately sold External Input 1 Select Pulse ON for No 1 of SW701 Changeover switch for pulse static Factory default Static 2 Insert the Remote ON OFF Adapter NRB 1HE sold separately into connector CN705 or CN706 For the input signal refer to of 1 When the output signal of the external device is DC12 V or DC24 V static signal or 2 When the output signal of the external device is a no voltage a contact static signal above The pulse width should be 200 msec or more SW701 RA E Changingthe pulse static Pulse ON Static OFF Select ON for No 1 of SW701 Factory default Static 3 Switching the remote controller between invalid valid low high or Bypass mode Heat exchange mode from an external device separately sold External Input Perform connection with one of the units in the group Static signal only Insert the Remote ON OFF Adapter NRB 1HE sold separately into connecto r CN705
62. the ventilation fan speed and ventilation mode of the Air to Air Heat Exchanger The remote controllers for the air conditioners RBC 2 cannot be used to control the group of the Air to Air Heat Exchangers Only on off operation is available for RBC AMS41E E Central control system When controlling the air conditioner and the Air to Air Heat Exchanger separately Central controller for 64 128 units groups TCB SC642TLE2 BMS Outdoor unit U1 U2 103 U4 Us u4 CM1280TLE Air Air Airto Air Air to Air conditioner conditioner Heat Heat Exchanger Exchanger Remote controller for the Air to Air Heat Exchanger NRC 01HE Remote controller for the air conditioner RBC AMT32E RBC 541 Remote controller for air conditioner RBC AMS41E The central controller can be used to ON OFF the whole system and separately ON OFF groups of air conditioners and the Air to Air Heat Exchangers Air conditioners and Air to Air Heat Exchangers are not linked in this system The central controller cannot be used to control the ventilation fan speed or ventilation mode of the Air to Air Heat Exchanger The operation of the central controller overrides that of the remote controllers for the Air to Air Heat Exchangers and the air conditioners However the operation of the remote controller for the Air to Air Heat Exchanger does not affect that of the remote controller
63. wiring is connected to Select Follower for the other units Settings of the header unit reflect the indications of the remote controller Factory default Follower Changing the indoor unit address No 1 to 4 of SW702 No 1 and 2 of SW703 Settings for changing the indoor unit address are necessary Do not duplicate the value 1 to 64 The header unit does not need to be selected as 1 Factory default 1 Changing the terminator No 1 of SW301 Settings for changing the terminator are necessary Select ON for one of the header unit ON Factory default OFF 100 Q ON 1 header unit only OFF None OFF the other units Changing the terminator 100 Q ON None OFF Factory default OFF 123 E Central control system When controlling the air conditioner and the Air to Air Heat Exchanger separately For the settings of the central control address refer to the Installation Manual of the central control device Power supply Power supply ops Outdoor unit Central controller NS L1 L2 L8 N D x uituiuspususjus Centrai ae a 4 control wisi wiring Control wiring between indoor and Control wiring between outdoor units indoor units Central control wiring ranea saraaa xc e 2 Pluie rg soaks i of NA I Air to Air Heat i Air to Air Heat Indoor unit Indoor unit j
64. 0 1 Changing the address ON OFF When there are multiple Air to Air Heat Exchangers do not duplicate values between No 1 to No 4 of SW702 and between No 1 and No 2 of SW703 Factory default 1 2255 23411234 Changing the central control address When an Air to Air Heat Exchanger system Fixed ON include multiple units is used set only one Auto OFF unit as the header unit You need not adjust settings Leave the value as OFF When an Air to Air Heat Exchanger system linked with air conditioners is used set all the Air to Air Heat Exchangers as follower units Factory default Follower Changing the terminator 1000 ON Changing the pulse static Pulse ON Static OFF Factory default None OFF Factory default OFF i static Address switch 6 ON OFF Address switch number Address switch number Address SW702 SW703 Address SW702 SW703 dieere ETE ls 1 33 e 2 34 e 3 e 35 e e 4 36 e e 5 e 37 e 6 38 e e e 7 39 8 40 e 9 41 e 10 e 42 e e 11 e 43 e eo 12 e 44 e e 13 45 14 e 46 15
65. 03 L08 alerts of the header unit Remote controller Check code Local remote controller Typical cause of error Description No header remote controller Remote No signal can be received from the indoor unit E01 controller communication error The header remote controller has not been set including double remote controllers E02 Remote controller transmission error No signal can be sent to the indoor unit Duplicate header remote controllers Two remote controllers are set as header in the double remote controller E09 control The header indoor unit stops signalling an error and the follower indoor units continue running Central control device Check code oe Typical cause of error Description TCC LINK central controller C05 Central control communication No central control signal can be sent transmission error C06 Central control communication No central control signal can be received reception error P30 Follower unit error An error occurred on the follower unit in the group is displayed on the local remote controller NOTE Even if the same error e g communication error has occurred the check code may differ depending on the device If the error was detected by the local remote controller or central control device the error does not always affect the operations of the Air to Air Heat Exchanger unit 44 9 3 Troubleshooting B Conf
66. 1 Component Procedure Note Electrical control cover 2 7 Remove the four screws that fix the electrical Screws M4x6 LID ELECTRIC control cover 2 LID ELECTRIC ARTS 2 to PARTS 2 remove the cover 7 B Electrical control cover 2 LID ELECTR IC Connector of MOTOR 8 For the upper unit open the electrical control 6 to 8 cover COVER PC BOARD and electrical control cover 2 LID ELECTRIC PARTS 2 to Motor connector in remove CONNECTOR 10 connected to the the upper unit motor connector For the lower unit open the electrical control cover 2 LID ELECTRIC PARTS 2 to remove CONNECTOR 11 connected to the motor connector Note The connector of the supply motor is white The connector of the exhaust air is black Push this part with your nail to disconnect the connector Motor connector in the lower unit 52 Note No Component Procedure Cover COVER WIRE 9 Remove the four screws M4x6 that fix the cover Screws M4x10 1 2 9 COVER WIRE then remove the cover 8 i Cover COVER WIRE Top and bottom Fan FAN 1 2 4to 12 10 Release the big clamp CLAMP that fixes the cords of the supply motor MOTOR SUPPLY and exhaust motor MOTOR EXHAUST Exhaust motor Supply motor MOTOR EXHAUST MOTOR SUPPLY 11 Remove the screws that fix the motor holder HOLDER MOTOR hold the holder then slide it to the centre of the
67. 1 081 119 137 215 289 4 30 5 60 Extra high 0 33 0 65 0 82 123 141 223 294 430 5 60 0 36 065 109 138 159 240 337 490 6 70 027 0 46 0 61 0 87 117 1 84 2 57 3 80 5 10 High 0 28 049 062 091 120 194 261 390 5 10 60Hz 0 30 047 073 096 134 201 295 420 590 020 0 25 042 064 0 90 1 49 1 85 3 10 3 60 Low 0 21 026 044 068 095 158 1 87 320 3 80 Maximum 021 025 045 O68 098 159 196 330 3 90 runnin Current A 032 061 081 119 1 37 215 289 4 30 5 60 Extra high 0 33 065 0 82 123 141 223 294 430 5 60 60Hz 0 36 0 65 109 138 159 240 337 490 6 70 027 0 46 061 0 87 1 17 1 84 2 57 3 80 5 10 High 0 28 049 062 091 120 194 261 390 5 10 0 30 047 073 096 134 201 295 420 590 0 20 0 25 0 42 064 090 149 1 85 3 10 3 60 on 0 21 0 26 044 068 095 1 58 1 87 3 20 3 80 60Hz 0 21 025 045 068 098 159 196 330 3 90 50Hz 150 250 350 500 650 800 1000 1500 2000 Extra high 60Hz 150 250 350 500 650 800 1000 1500 2000 50Hz 150 250 350 500 650 800 1000 1500 2000 Air Volume m h High 60Hz 150 250 350 500 650 800 1000 1500 2000
68. 1 This display appears on some models 22 Service display Displayed while the protective device works or a trouble occurs 23 Ventilation fan speed indicator Indicates the ventilation fan s speed 2782 278 238 amp 1 is indicated When the remote is used to control air conditioners together with the Air to Air Heat Exchanger as a group VENT FAN indicator appears blinks only when the amp button is pressed High lt 8 Low 2 SA gt EA AE Displayed when the SA lt EA IO setting is activated 24 Ventilation mode indicator Indicates the selected ventilation mode AH lt is indicated Automatic mode Heat exchange mode 48 25 24 hour ventilation indicator Displayed during 24 hour ventilation Displayed when the setting is activated Bypass mode 26 Nighttime heat purge indicator Displayed during the nighttime heat purge operation Displayed when the setting is activated 82 21 27 Ventilation on standby indicator Displayed while the Air to Air Heat Exchanger is on standby While this indicator is displayed the Air to Air Heat Exchanger is not in operation Displayed when the setting is activated 28 Ventilation indicator If the remote is used to control the Air to Air Heat Exchanger in the Airto Air Heat Exchanger system linked with air conditioners and separate operation of the unit is set to available the indicator is displayed while
69. 2 1 2 1 2 Group address 1 2 1 2 1 2 2 2 Central control address 1 1 2 2 1 1 1 1 With central The line system address of an Air to Air Heat Exchanger The line system address of an Air to Air Heat Exchanger control unit is always 31 unit is always 31 The indoor unit address of an Air to Air Heat Exchanger unit The indoor unit address of an Air to Air Heat Exchanger unit Air to Air Heat needs to be manually specified in No 1 to No 4 of SW702 needs to be manually specified in No 1 to No 4 of SW702 Exchanger and in No 1 and No 2 of SW703 and in No 1 and No 2 of SW703 address settings The group address of only one Air to Air Heat Exchanger The setting of the smallest address applies to the remote unit needs to be manually specified to header in No 4 of controller display SW703 The group address of an Air to Air Heat Exchanger unit does not need to be specified Air conditioner group RBC AMT32E RBC AMS41E can be used 1 RBC AMT32E RBC AMS41E and NRC 01HE can be used NRC 01HE can be used Air to Air Heat Exchanger group Remote controller RBC AMT32E cannot be connected RBC AMSATE can be used 1 NRC 01HE can be used Connect central control wiring only to the header of the Air The group header must be an indoor unit compatible with Air to Air Heat Exchanger to Air Heat Exchange Do not connect remote controller wiring between the indoor If the group header is an indoor unit not ye
70. 24 Changing the normal operation 24 hour ventilation ED operation operation hour ventilation or nighttime output Factory or nighttime heat purge 9 9 default heat purge operation operation 0000 Contact is on only during normal operation Contact is off during 24 hour ventilation or nighttime heat purge operation Contact is off during cold mode while the temperature is below 10 0001 Contact is on during normal operation 24 hour ventilation or nighttime heat purge operation Contact is on when 24 hour ventilation is stopped intermittently Contact is off when nighttime heat purge operation is on standby paused before the monitoring operation of the nighttime heat purge operation starts Contact is off during cold mode while the temperature is below 10 0002 Contact is on during 24 hour ventilation or nighttime heat purge operation Contact is on when 24 hour ventilation is stopped intermittently Contact is off during normal operation or when the nighttime heat purge operation is on standby paused before the monitoring operation of the nighttime heat purge operation starts Contact is off during cold mode while the temperature is below 10 0003 Contact is on only when SA fan is running Contact is off when 24 hour ventilation is stopped intermittently so do not connect an auxiliary fan 0004 Contact is on only when EA fan is running Contact is off when 24
71. 3 7 ee eet 86 8 Maintenance oo auus Dile el ue es 87 9 Specifications ues cone seas Rau er eee ere HUMEUR RO Ram UE RM aU MEE 88 10 Before calling for 91 11 Troubleshooling buie Re ER cen Ge oben es des blo E re E EST ERES 92 67 Please read carefully through these instructions that contain important information which complies with the Machinery Directive Directive 2006 42 EC and understand them Generic Denomination Air to Air Heat Exchanger Definition of Qualified Installer or Qualified Service Person The Air to Air Heat Exchanger must be installed maintained repaired and removed by a qualified installer or qualified service person When any of these jobs is to be done ask a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below Agent Qualifications and knowledge which the agent must have Qualified installer The qualified installer is a person who installs maintains relocates and removes the Air to Air Heat Exchangers made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the Air to Air Heat Exchangers made by Toshiba Carrier Corporation or alternativ
72. 3 Ventilation fan speed i 4 Ventilation mode Abnormal Bypass mode output i 5 Operation TBS Voltage DC 12V 24V input a 1 Connector Red 6 White 6 2 7 Indoor control circuit board 2 5 MCC1615 WT White Red Air to Air Heat Exchanger Represents the connector to switch between T T x Extra High and High Power supply for the Air Earth o Air Heat Exchanger 220 240V 50Hz 220V 60Hz Code Part name Code Part name Code Part name CN Connector TOA TOA sensor SW301 SW701 SW702 Sw703 PIP switch F01 Fuse RY701 RY702 Relay for air supplying motor 43F11 43212 Relay for air supplying motor FM1 Air supplying motor RY704 RY705 Relay for air exhausting motor 5 43221 43F22 Relay for air exhausting motor FM2 Air exhausting motor TB1 Terminal block power supply DAM Damper motor TB2 Terminal block communication TRA TRA sensor TB3 Terminal block external output The dotted line represents a wire locally procured and the dashed line represents an option sold separately 2 represents a terminal block o represents a connection terminal and represents a connector on the printed circuit board represents a protective ground 3 represents a printed circuit boar
73. 33 061 076 100 130 163 246 330 490 0 36 oso 099 120 140 203 284 420 590 0 27 0 47 062 081 1 14 1 57 231 3 30 4 80 Heat 50Hz Exchange High 028 049 061 081 113 150 228 310 4 60 Mode 028 049 074 094 130 185 269 380 560 0 20 0 25 0 38 0 59 125 1 31 1 62 2 60 3 30 Los 020 026 037 060 130 127 157 2 60 310 eoHz 020 025 043 066 095 152 187 300 370 Current A 0 31 0 58 0 76 0 99 125 1 67 247 3 50 5 00 Extra high 033 061 076 100 130 163 246 330 490 036 099 120 140 203 284 420 590 027 047 0 62 0 81 114 1 57 231 3 30 4 80 Bypass High 028 049 061 081 113 150 228 310 460 ode eoHz 028 049 074 094 130 185 269 380 560 020 0 25 038 0 59 125 131 1 62 2 60 3 30 ig 020 026 037 060 130 127 157 2 60 310 020 025 043 066 095 152 187 300 3 70 88 ModelNo vN vn vn vn vn vn VN vN vN Item M150 M250 M350 500 M650 M800 m1000 M1500 M2000 Fan Speed HE HE HE HE HE HE HE HE HE 0 32 06
74. 41114573 STAY DAMPER MOTOR 2 2 010 41114576 COVER FOAM 4 4 011 41114586 LID SERVICE 2 2 012 4111A582 RAIL 4 4 013 41120537 FAN 4 4 014 41129222 WASHER 4 4 015 43154141 RELAY LY2F L AC230V 4 4 016 4115A237 MOTOR SUPPLY 2 017 4115A238 MOTOR EXHAUST 2 018 4115A239 MOTOR SUPPLY 2 019 4115A240 MOTOR EXHAUST 2 020 41169332 CHAIN 2 2 021 41171309 CAPACITOR 4 8 023 41175190 PC BOARD MCC 1615 1 1 027 41177882 CONNECTOR 3 4 4 030 41177885 CONNECTOR 5 1 1 032 41177887 CONNECTOR 7 1 1 033 41177888 CONNECTOR 8 1 1 035 41177895 CONNECTOR 9 2 2 036 41177893 TERMINAL BLOCK 2P 1 1 037 41179575 BUSHING 8 8 038 41179576 0 ELECTRIC PARTS 1 1 039 41179590 BOX ELECTRIC PARTS 1 1 040 41179585 COVER PC BOARD 1 1 041 41179579 COVER WIRE 4 4 042 41179586 SENSOR TOA 1 1 043 41179582 SPACER 6 6 044 41179589 SENSOR TRA 1 1 045 41188736 MANUAL OWNER S 1 1 046 41185737 MANUAL INSTALLATION 1 1 047 43019889 CLAMP 6 6 048 43F2C063 MOTOR LOUVER 2 2 049 43089149 CLAMP 8 8 050 43160561 TERMINAL 4P 1 1 051 43160569 TERMINAL BLOCK 5P 1 1 052 41188738 DISK 1 1 053 4111J128 AIR FILTER 8 8 054 41179591 BASE E PARTS 1 1 055 41179592 LID ELECTRIC PARTS 2 1 1 056 43160467 TERMINAL 2P 1 1 152 Ref m Quantity Set No dao VN M1500
75. 50Hz 110 155 210 390 520 700 755 1200 1400 60Hz 110 155 210 390 520 700 755 1200 1400 50Hz 82 102 80 98 114 125 134 150 91 107 142 158 130 150 135 156 124 143 Extra high 99 97 167 181 134 171 185 165 165 m 50Hz 52 78 34 65 56 83 69 99 58 82 102 132 97 122 103 129 92 116 59 38 33 63 68 102 120 108 102 50Hz 47 64 28 40 65 94 62 92 61 96 76 112 84 127 112 142 110 143 Stake 60Hz 46 22 39 44 52 58 55 109 87 Pressure Pa mune 50Hz 82 102 80 98 114 125 134 150 91 107 142 158 130 150 135 156 124 143 xtra NI 9 eouz 99 97 167 181 134 171 185 165 165 50Hz 52 78 34 65 56 83 69 99 58 82 102 132 97 122 103 129 92 116 1 60Hz 59 38 33 63 68 102 120 108 102 50Hz 47 64 28 40 65 94 62 92 61 96 76 112 84 127 112 142 110 143 46 22 39 44 52 58 55 109 87 89 ModelNo VN VN VN VN VN VN VN VN VN Item M150 M250 M350 M500 M650 M800 M1000 M1500 M2000 Fan Speed HE HE HE HE HE HE HE HE HE 26 0 29 5 34 0 32 5 34 0 37 0 39 5 38 0 41 0 Extra high 28 0 30 0 35 0 34 0 36 0 38 5 40 5 39 0 42 5 60Hz 27 5 31 5 35 5 33 5 35 5 38 41 5 39 5 42 5 Heat 240
76. 62 Remove all the relay connectors and four screws BOX ELECTRIC M4x6 and M4x10 fixing the electrical control box PARTS BOX ELECTRIC PARTS to remove the control 6 7 8 29 30 31 35 37 box 38 39 41 44 49 51 Remove all the terminal blocks and connectors 52 53 57 62 46 66 1 1 Owner s Manual Thank you very much for purchasing TOSHIBA Air to Air Heat Exchanger Please read this owner s manual carefully before using your Air to Air Heat Exchanger Obtain the Owner s manual and Installation manual from constructor or dealer Request to constructor or dealer Please clearly explain the contents of the Owner s manual and hand over it This appliance is not intended for use by person including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Contents 1 Precautions 70 2 Features oe os Ge Duae vestit de p eae Deeks 73 3 Standard installation example 74 4 System configuration 75 5 Part names and 1 77 o HOW TO USO eae aa e e S ae ee 8
77. APACITOR or connector in the lower Connector 12 46 Remove the fasten terminals of the 2P terminal C t to Rel CONNECTOR 12 block and relay Agay 7 35 46 47 59 60 47 Remove the connector connecting Lead wire white CONNECTOR 12 and CONNECTOR 15 Connect to 2P Terminal TERMINAL 2P 35 Lead wire red Connect to 2P Terminal 6P connector white TERMINAL 2P Connect to CONNECTOR 15 Connector 13 48 Remove the fasten terminals of the relay CONNECTOR 13 49 Remove the connector connecting 4d 7 35 48 49 59 CONNECTOR 13 and CONNECTOR 16 6P connector red Connect to CONNECTOR 16 Connector 14 50 Remove the fasten terminals of the 2P terminal CONNECTOR 14 x2 CONNECTOR 14 block and relay 7 35 50 59 60 Connect to Relay 37 Connect to 2P I Terminal TERMINAL 2P Connector 15 51 Remove the fasten terminal of the power supply Lead wire CONNECTOR 15 terminal block TERMINAL BLOCK 2P Red R L lower 6 7 29 35 47 51 52 52 Remove the connector fixed panel locked onto White S N lower the electrical control box BOX ELECTRIC connect to mS power PARTS supply terminal bloc TERMINAL BLOCK 2P Connect the 2P connector red white to CONNECTOR 10 6P connector white Fix onto the electrical 38 control box BOX ELECTRIC PARTS Panel lock Press these parts to remove it 63
78. Adjust the setting of EA EB when using the RBC AMT 32E RBC AMS41E remote controller or using the system without the remote controller Not necessary when using the NRC 01HE remote controller Model Capacity of the Air to Air Heat Exchanger Code 10 Code 11 Setting Model Model name Setting data Type data abbreviation Air to Air Heat Exchanger 5 0050 Ceiling embedded VN M HE series 0000 Invalid 0001 150 type Factory default value of EEPROM installed on the service 0002 250m3Ih type circuit board 0003 350m h type 0004 500m h type 0005 650m h type 0006 800m h type 0007 1000m h type 0008 1500m h type 0009 2000m h type Factory default value of EEPROM installed on the service circuit boar 149 14 Exploded Diagram Parts List VN M1500HE VN M2000HE 1 2 Upper unit Lower unit 150 VN M1500HE VN M2000HE 2 2 7 8 OX amp 6 151 Ref Pes Quantity Set No Part No dn VN M1500HE VN M2000HE 001 41112642 HOLDER LID 4 4 002 41112643 LEVER LID 2 2 003 41112644 COUPLING 4 4 004 41118427 SCREW TAPPING 2 2 005 41118615 HOLDER MOTOR 4 4 006 41118648 DAMPER 2 2 007 41119476 HEAT EXCHANGER 4 4 008 41114571 CASE ASSY EXHAUST 2 2 009
79. C board Open circuit or TRA error Exchanger short circuit of the heat exchanger sensor TRA was detected F29 Indoor unit other P C Indoor Indoor P C board EEPROM error board error 103 Duplicated header indoor Indoor Indoor address setting error There are two or more header units units in the group 108 Indoor group address Indoor Indoor address setting error Indoor address group has set been set 09 Indoor power level not set Indoor Indoor power level has not been set LAN communication error Indoor Address setting central control remote controller network L20 adapter Duplication of address in central control communication Pai Other indoor unit error Indoor Another indoor unit in the group is raising an alarm E03 L07 L03 L08 alarm check locations and error description Indoor in Judging device refers to the Air to Air Heat Exchanger or the air conditioner 145 1 3How to replace the PC board for service on the Air to Air Heat Exchanger Model VN M HE series 411 75 190 MCC 1615 E Note for replacing the PC board for service on the Air to Air Heat Exchanger Before replacing the PC board on the Air to Air Heat Exchanger non volatile memory hereinafter referred to as EEPROM IC503 on it stores the important data such as the model code the capacity code factory default the group address and the 24 hour ventilation settings set automati
80. Do not step Handle with care Weight Do not roll Do not clamp Other cautions Description Injury possibility Don t handle with packing band or may get injured in case of broken band CAUTION Injury possibility Don t handle with packing band or may get injured in case of broken band Stacking notice In case that cardboard boxes protrude out of pallet when stacking lay a 10mm thick plywood over the pallet lU I I X Plywood O Pallet Stacking notice In case that cardboard boxes protrude out of pallet when stacking lay a 10 mm thick plywood over the pallet 72 2 Features B Main features Power saving ventilation The cost of cooling and heating is reduced thanks to the unit efficiently retrieving thermal energy outdoor air load which has been lost during ordinary ventilation Space saving Significant reduction of outdoor air load and the ability to retrieve thermal energy enable the production of smaller air conditioning devices Humidity control When cooling highly humid outdoor air is conditioned to near the humidity of the dehumidified cooled indoor air before being supplied When heating moisture from the indoor air is transferred to the dry outdoor air before the outdoor air is supplied Comfortable ventilation Ventilation without big changes in temperature is realized In additio
81. Exchanger m 1 I VN 77 i7 0 4 0 Fo U1 u2 u1 U2 LIn 1 2 Lin U1 U2 A B EIN lusju4 P LTN 0 04 B A d EI Vg Va INI 0 INI Y VN Y YN Y rN Y YN H HEA 1 1 1 L4 Power TEC Power TC Power iY Power 1 1 AT supply 27 suppl i Supply supply d 1 i 7 i 1 4 L 4 4 1 J 1 Sa ee ev dE gc cse emote controller emote controller header SUMI BE follower For group control with air conditioners install inter unit wiring between the units Up to 8 units can be installed for group control Changing the group address No 4 of SW703 The settings of the group address does not need to be adjusted Leave the value Follower OFF Factory default Follower Settings of the follower unit with the smallest indoor unit address number reflect the indication of the remote controller Changing the indoor unit address No 1 to 4 of SW702 No 1 and 2 of SW703 Settings for changing the indoor unit address are necessary Do not duplicate the value 1 to 64 Factory default 1 122 D Central control system When controlling the Air to Air Heat Exchanger only For the settings of the central control address refer to the Installation Manual of the central control device Power supply 4 0 A Cen
82. FILE No A11 010 TOSHIBA Air to Air Heat Exchanger SERVICE MANUAL Concealed microcomputer control type Model name VN M1500HE VN M2000HE PRINTED IN JAPAN Nov 2011 TDOC Contents 1 Features 62052050 oa Oosawa eee Aer Sank ee 10 2 Specifications DERE REI ER a PEE d Vue E 11 3 Model Ss biog Sse PR Re Ae E sce CRETA Re a v tf e ao wat EP ees 13 4 Connection diagram venti eR a eee Ea ae et ete Mc 14 5 Pars Rating Oe Send ence eis es assed EE sees dau Eus tances d 15 6 Control Outlines ELE dex aues DN we eee kes 16 7 Applied Control and Functions Including Circuit Configuration 27 8 Air to Air Heat Exchanger Unit and Air Conditioning System 36 9 Failure Diagnosis tects 2054 ck ERROR Rau ERR EE u EN 43 10 Exchanging and Assembling the Main 50 11 Owners Manual 2222464 deed EreRERRRERSSRESESE 67 12 Installation Manual eta eh hee ee oe E ERU oa eee auia RE 95 13 How to replace the PC board for service on the Air to Air Heat Exchanger 146 14 Exploded Diagram Parts 150 Original instruction Please read carefully through these instructions that contain important information which complies with the Machinery Directive Directive 2006 42 EC and ensure that you
83. HE VN M2000HE 057 41177896 CONNECTOR 10 1 058 41177897 CONNECTOR 10 1 059 41177898 CONNECTOR 11 1 060 41177899 CONNECTOR 11 1 061 41177900 CONNECTOR 12 1 1 062 41177901 CONNECTOR 13 1 1 063 41177902 CONNECTOR 14 2 2 064 41177903 CONNECTOR 15 1 1 065 41177904 CONNECTOR 16 1 1 066 41177905 CONNECTOR 17 1 1 067 41177906 CONNECTOR 18 1 1 153 154 TOSHIBA CARRIER CORPORATION 23 17 TAKANAWA 3 CHOME MINATOKU TOKYO 108 0074 JAPAN
84. Heat exchange Model No A mm B mm C mm element VN M150HE M250HE 900 900 290 36 2 VN M350HE 900 900 290 38 2 VN M500HE M650HE 1140 1140 350 53 2 VN M800HE M1000HE 1189 1189 400 70 2 101 VN M1500 and 2000 Unit mm 1189 810 EA Exhaust air Outdoor side 1189 I 2 Centre of gravity 5 e j o For the inspection of Filters Inspection Opening 450 x 450 Heat Exchange Elements or more Fans Motors and Damper Weight 143 kg Heat exchange element 4 102 Helmet must be worn to protect your head from falling objects Especially when you work under an inspection opening helmet must be worn to protect your head from falling objects from the opening Observe the following conditions when using the Air to Air Heat Exchanger Installation requirements Temperature range 10 to 40 relative humidity 80 96 or less Outdoor air conditions Temperature range 15 to 43 relative humidity 80 96 or less Return air conditions Temperature range 5 C to 40 C relative humidity 80 or less Do not install the Air to Air Heat Exchanger in a place where flames can come into contact with the unit If the Air to Air Heat Exchanger is used for a long time without observing the conditions above deterioration or deformation of resin parts will occur and a malfunction may result Dewing and frosting n cold region
85. Heat insulator Aluminium tape Slope i 1 100 t 1 50 Aluminium tape Itis recommended that an electric damper is used together with the Air to Air Exchanger as wind may enter the room while the unit is not in operation in windy places 108 8 Electric wiring NWARNING 1 Using the specified wires ensure to connect the wires and fix wires securely so that the external tension to the wires do not affect the connecting part of the terminals Incomplete connection or fixation may cause a fire or other troubles 2 Connect earth wire grounding work Incomplete earthing cause an electric shock Do not connect earth wires to gas pipes water pipes lightning rods or earth wires for telephone wires 3 Appliance shall be installed in accordance with national wiring regulations Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire N CAUTION e f incorrect incomplete wiring is carried out it will cause an electrical fire or smoke Install an earth leakage breaker that is not tripped by shock waves If an earth leakage breaker is not installed an electric shock may be caused Use the cord clamps attached to the product Do not damage or scratch the conductive core and inner insulator of power and communication wires when peeling them Use the power and communication wire of specified thickness type and protective devices required
86. Hz 570 607 702 742 60Hz 660 818 50Hz 3 50 3 30 5 00 4 90 Extra high 60Hz 4 20 5 90 Heat 50Hz 3 30 3 10 4 80 4 60 ee j High 60Hz 3 80 5 60 ode i 50Hz 2 60 2 60 3 30 3 10 eine 60Hz 3 00 3 70 50Hz 3 50 3 30 5 00 4 90 Extra high 60Hz 4 20 5 90 Bypass High 50Hz 3 30 3 10 4 80 4 60 Mode 60Hz 3 80 5 60 n 50Hz 2 60 2 60 3 30 3 10 60Hz 3 00 3 70 50Hz 4 30 4 30 5 60 5 60 Extra high 60Hz 190 6 70 E High 50Hz 3 80 3 90 5 10 5 10 Mods 60Hz 4 20 5 90 m 50Hz 3 10 3 20 3 60 3 80 Maximum running 60Hz 3 30 3 90 Current A 50Hz 4 30 4 30 5 60 5 60 Extra high 60Hz 190 6 70 Bypass High 50Hz 3 80 3 90 5 10 5 10 Mode 60Hz 120 5 90 50Hz 3 10 3 20 3 60 3 80 60Hz 3 30 3 90 50Hz 1500 2000 Extra high 60Hz 1500 2000 Air Volume m3 h High m 2 a 50Hz 1200 1400 60Hz 1200 1400 50Hz 135 156 124 143 Extra high 60Hz 165 165 ea 50Hz 103 129 92 116 Pxenange Migh 60Hz 108 102 e 50Hz 112 142 110 143 External Static 60Hz 109 87 Pressure Pa 50Hz 135 156 124 143 Extra high 60Hz 165 165 Bypass High 50Hz 103 129 92 116 Mode 60Hz 108 102 m 50Hz 112 142 110 143 60Hz 109 87 11 Model No Item VN M1500HE VN M2000HE Fan Speed 50Hz 38 0 39 0 41 0 42 5 Extra high 60Hz 39 5 425 ENG High 50Hz 36 5 37 5 39 5410
87. No Series No 4 4 2 4 4 4 4 2 Compatibility O RAV 5 140 4 1 j 1 Special mark Guide of capacity Has Heat pump inverter SM Digital Based on the cooling Inverter CD capacity kw Common FCU Ex 140 14 0kw for DI amp SDI Development series No LJ Note on type Us s Cassette type 4 way air discharge MU Compact cassette type 4 way air discharge D Duct type High static pressure Built in duct type SD Slim duct type Ceiling type KR Wall type Flexi type 40 Air to Air Heat Exchanger Unit and SMMS Series Air Conditioning System System Central control Address Air to Air Heat Exchanger only Linked with air conditioner Air toAirHeat Exchange EXchan B Ab NA B fast Group2 ja 8 Group TR MERE DRM 1 Air conditioner Air conditioner Air to Air Heat Air to Air Heat Air to Air Heat Exchanger Air to Air Heat Exchanger remote controller remote controller Exchanger Exchanger remote controller remote controller RBC AMT32E RBC AMT32E remote controller remote controller NRC 01HE NRC 01HE NRC 01HE NRC 01HE Line address 1 1 31 31 1 1 31 31 Indoor unit address 1 2 1 2 1 2 1 2 Group address 1 2 1 2 1 2 2 2 Without Central
88. OR 18 CONNECTOR 17 32 Upper unit CONNECTOR 9 Upper unit CONNECTOR 9 Damper motor Connections in the lower unit MOTOR T LOUVER Electrical control CONNECTOR 18 cover COVER Lower unit BOARD CONNECTOR 17 Damper motor MOTOR CONNECTOR 18 EOUVER CONNECTOR 9 Lower unit CONNECTOR 9 Electrical control cover 2 LID ELECTRIC PARTS 2 Connector 10 42 Remove the fasten terminals of the 2P terminal t to Rel CONNECTOR 10 block relay and capacitor Relay 5 aS 35 42 43 44 58 43 Remove the 6P connector of CONNECTOR 11 connect eae connected to CONNECTOR 10 CONNECTOR 15 44 Remove the 2P connector of CONNECTOR 15 6P tor black connected to CONNECTOR 10 white or blac Connect to the motor connector in the upper unit 33 EN Lead wire white Connect to 2 Terminal TERMINAL 2P 6P connector white Connect to CONNECTOR 11 Connect to Capacitor CAPACITOR Connect to Capacitor CAPACITOR 62 Component Procedure Note Connector 11 CONNECTOR 11 7 8 35 43 45 58 59 60 45 Remove the fasten terminals of the 2P terminal block relay and capacitor Lead wire white Connect to 2P Terminal block Connect to Relay 6P connector white ESI Connect to CONNECTOR 10 34 Connect to Capacitor CAPACITOR 6P connector black EE white Connect to the motor C
89. RA 18 C Heating zone RA 2 set temperature 2 C or RA 2 29 C If the system is in an undefined zone when operation starts the system is operated in Heat exchange mode If the state moves to this zone during operation the previous state is retained Automatic ventilation mode control in the Air to Air Heat Exchanger system linked with air conditioners Cooling zone OA Outdoor Air 4 8 12 16 20 24 2 RA Return Air 18 NO Item Specification outline Remarks Ventilation mode control 32 continued 28 _ 24 2 EX 5 20 Undefined 9 zone 5 16 Heat Exchange o 12 8 2 4 8 12 16 20 24 28 32 RA Return Air Automatic ventilation determination in air conditioning linkage RA OA RA OA detection detection RAzOA 3 C and OASRA 3 C and RAzset temperature 2 C and RAsset temperature 2 C RA2OA 10 C 14 5 C and OASRA 10 C 14 5 C and 20 C RAs27 C Ventilation fan 1 By pressing the VENT FAN button Ventilation Fan Speed High Low and gt CODE No DN speed control EA SA EA can be switched EB 48 gt EA and lt EA can be changed with CODE No DN 48 of the DN setting 0000 Normal factory default 3 0001 SA High EA Low active 0002 SA L
90. RAzset temperature 2 C and 10 14 5 C Nighttime heat purge operation RASOA or RA set temperature or One hour has passed or OASRA 10 C 12 5 C Stop of 1 hour 48 hours have passed since start of monitoring operation Y End of nighttime heat purge 22 Specification outline Remarks Cold mode 1 Even in Bypass mode control the system automatically enters Heat Exchange CODE No DN control mode to prevent condensation if OA RA 10 C 12 5 C 4D The display on the remote controller remains Bypass mode regardless of the ventilation mode in actual operation When operation starts in Bypass mode the system runs in Heat Exchange mode for three minutes if the state before stop is Heat Exchange mode cold mode control 2 The ON time in each zone is maintained for at least three minutes When the temperature condition moves to another zone the system starts the OFF condition in another zone 3 In the B zone condition the supplying fan performs intermittent operation stops for 10 minutes and runs for 60 minutes The exhausting fan runs continuously 4 n the C zone condition the supplying fan stops However it stops for 60 minutes and runs for five minutes The setting of the exhausting fan can be changed with CODE No DN 4D of the DN setting 0000 Exhausting fan runs factory
91. The fan of the selected Air to Air Heat Exchanger starts running e The indicator lights up when using NRC 01HE The Line system address is fixed as 31 The Indoor unit address is between 1 and 64 The address is specified with No 1 to No 4 of SW702 and with No 1 and No 2 of SW703 3 Use the DEd buttons C C to cycle through the codes DN one by 4 Select the model and capacity of the Air to Air Heat Exchanger Factory default settings are written on the EEPROM by selecting the model and capacity 1 Confirm that the code DN is set to J 2 Use the Go button to select the model o Select 0050 for the Air to Air Heat Exchanger See the table on page 149 3 Press the 5 button Confirm that the indicator lights up 4 Use the buttons 4 C to set the code DN to n 5 Use the Go button to select the capacity Ex Select 0001 for 150m h type See the table on page 149 6 Press the C5 button Confirm that the indicator lights up 7 Press the e button to return to normal operation The unit stops It takes about 1 minute to resume operation on the remote controller 5 Writing in of the setup data specified locally on the EEPROM Repeat step 1 6 Use the 33 5 buttons C42 Cv to set the code DN to 01 Setting for lighting up hours of the Filter Sign 7 Compare the setup data with the notes page 149 and client information 1 If the data is different from that of
92. When using the Repeat OFF timer pressing the 2899 button after the unit has been stopped by the timer starts it running again and the unit will stop again after the specified period When 24 hour ventilation or the nighttime heat purge operation is activated the unit is running the activated operation while the unit stops following the timer setting 8 Maintenance E Maintenance of the filter and heat exchange element NWARNING Cleaning the filter and heat exchange element involves dangerous work in high places have a qualified installer or qualified service person to do it Do not attempt it by yourself N CAUTION Do not push buttons with wet hands Doing so may result in electric shock Cleaning the filters 1 Clean the filter if is indicated on the remote controller 2 Press the amp button after cleaning the filter The FILTER RESET indicator disappears CA APA f the filter or heat exchange element is clogged the ventilation amount is reduced and ventilation effect will be deteriorated N CAUTION Cleaning remote controller Use a dry cloth to wipe the remote controller Do not use a damp cloth on the remote controller Do not use a chemically treated duster for wiping or leave such materials on the unit for long It may damage or fade the surface of the unit Do not use benzine thinner polishing powder or similar solvents for cleaning These
93. ace where it is directly exposed to the wind of Air to Air Heat Exchanger otherwise it may cause imperfect combustion Do not insert your finger or a stick into the air intake or discharge Doing so may result injury as the fan is rotating at high speed inside the unit Repairs When you have noticed that some kind of trouble such as when an error display has appeared there is a smell of burning abnormal sounds are heard water is leaking has occurred in the Air to Air Heat Exchanger do not touch the Air to Air Heat Exchanger yourself but set the circuit breaker to the OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrives Continuing to use the Air to Air Heat Exchanger in the trouble status may cause mechanical problems to escalate or result in electric shocks or other trouble 70 If there is a danger of the Air to Air Heat Exchanger s falling do not approach the Air to Air Heat Exchanger but set the circuit breaker to the OFF position and contact a qualified installer or a qualified service person to refit the unit Do not set the circuit breaker to the ON position until the unit has been refitted Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Relocation When the Air to Air Heat Exchanger is to be
94. air conditioner is ON OFF when itis in an Air to Air Heat Exchanger system linked with air conditioners If is displayed when the 7 button is pushed certain settings need to be changed to operate the unit separately Consult your dealer to change the settings 84 B Functions About ventilation modes For details see About ventilation modes on page 73 Heat exchange mode Bypass mode or Automatic mode can be selected About imbalanced ventilation fan speed 21821 SAP EA SA EA For normal ventilation High or Low The volumes of the indoor air supply and outdoor air exhaustion are set to the same level For imbalanced ventilation fan speed When 2782 SA gt EA is selected the volume of the indoor air supply is larger than that of the outdoor air exhaustion Inflow of humidity and smells from the toilet and kitchen is reduced When SA lt EA is selected the volume of the outdoor air exhaustion is larger than that of the indoor air supply Outflow of smells and floating bacteria into a corridor or other places is reduced Consult your dealer if the setting of the imbalanced ventilation fan speed seems incorrect About 24 hour ventilation When the 24 hour ventilation setting is active press the 29 9 button while the system is running and the operation lamp turns off 248 appears on the display and 24 hour ventilation starts Press and hold the amp button for 4 secon
95. al wiring work shall be conducted according to law and regulation in the community and Installation Manual Failure to do so may result in electrocution or short circuit REQUIREMENT For the connecting procedure and electric wiring of External Input sold separately refer to the Installation Manual of Remote ON OFF Adapter NRB 1HE 1 When the operation is linked by a signal from an external device or remotely controlled On and Off Separately sold External Input REQUIREMENT Do not change the setting of the Air to Air Heat Exchanger single operation for Air to Air Heat Exchangersystem linked with air conditioners on page 135 Operating together if a command is sent to one of the units in the group Setting for linked operation with external devices can be changed Refer to the Setting for linked operation with external devices on page 137 When a remote controller is used with the Air to Air Heat Exchanger The latter operation of the remote controller or the switch of the external device overrides the former Single operation of Air to Air Heat Exchanger is possible When no remote controller is used with the Air to Air Heat Exchanger The operation of the Air to Air Heat Exchanger is confined to that together with the external device Single operation of Air to Air Heat Exchanger is not possible 1 When the output signal of the external device is DC12 V or DC24 V static signal Remote ON OFF Adapter NRB 1HE loc
96. ally procured M M CN706 1 E DC12 V ir e M DC24 V Blue 1 non polarity eo BE Orange 2 L op ey Oa SS Control circuit board of the 2m Air to Air Heat Exchanger e gt Transmission wire used to extend must be locally procured Non polarity 2 core wire 0 5 mm Maximum length Refer to the external device s manual Insert the Remote ON OFF Adapter NRB 1HE sold separately into connector CN706 2P f a command is sent to one of the units in the group all the air conditioners and the Air to Air Heat Exchanger operate together 126 2 When the output signal of the external device is a no voltage a contact static signal Remote ON OFF Adapter NRB 1HE No voltage Green 1 locally procured 2 White 4 5 CN705 2m As these terminals are not used insulate them Control circuit board of the Air to Air Heat Exchanger Running when SWA is closed and stopped when it is open Transmission wire used to extend must be locally procured Non polarity shielded wire H05 VVC4V5 K or 60227 IEC 74 0 5 mm Maximum length 50 m Insert the Remote ON OFF Adapter NRB 1HE sold separately into connector CN705 5P fa command is sent to one of
97. anger header unit is the representative of the group n the Air to Air Heat Exchanger system the cumulative operating time of 24 hour ventilation is counted 3 When the degree of dirt of the filter is set its time is half the standard time The setting of the degree of dirt of the filter can be changed with CODE No DN 02 of the DN setting 0000 Standard factory default 0001 High degree of dirt half the standard time CODE No DN 01 02 E lights up 24 NO Item Specification outline Remarks Selection of central control mode 1 The range of operations that can be performed by operating the remote controller of the Air to Air Heat Exchanger can be determined through the setting of the central controller 2 Setting details TCC Link central control Operation Operation on NRC 01HE from TCC Link central control Individual O O Central 1 x NRC 01HE Setti d display ventilation start stop Setting ventilation fan speed Setting ventilation mode Setting start stop Setting timer x d is x o o displayed Central 2 x Central 3 O Central 4 Accessible x Inaccessible The ventilation start stop operation applies only to operation linked with air conditioners It becomes effective when single operation of the fan i
98. ano Italy AIRCOND Klimaanlagen Belgium 12 B 2610 Antwerpen Czech Handelsgesellshcaft m b H Belgium Latvia Carrier OY Linnavuorentie 28A Republic Petersgasse 45 A 8010 Graz 00950 Helsinki Finland Austria Carrier Hellas Airconditioning Cyprus S A 4g Andersen street Lithuania Carrier OY Linnavuorenlie 28A AIRCOND Klimaanlagen 11525 Athens Greece 00950 Helsinki Finland Slovakia Handelsgesellshcaft m b H Petersgasse 45 A 8010 Graz Dehari GIDEX A S Korshoj 10 3600 DOLPHIN NV Fotografi elaan Austria Frederikssund Denmark Luxembourg 12 B 2610 Antwerpen Belgium AIRCOND Klimaanlagen innavuorentie 3 Handelsgesellshcaft m b H Estonia 00950 Helsinki Finland CUTRICO Services Ltd Slovenia Petersgasse 45 A 8010 Graz Malta Cutrico Building Psala Street Austria Finland Carrier OY Linnavuorentie 28A Sta Venea HMR 16 Malta 00950 Helsinki Finland Carrier Espana S L Paseo 8946 Spain Castellana 36 38 28046 Carrier S A Route de Thil BP Norway Arods Industrivag 32 S 402 73 Madrid France 49 01122 Montiuel Cedex Gothenburg Sweden France Carrier AB P O BOX 8946 Carrier Polska Sp Z o o Sweden Arods Industrivag 32 S 402 Carrier GmbH amp Co KG Poland Postepu 14 02 676 Warsaw 73 Gothenburg Germany Edisonstrasse 2 85716 Poland Unterschleissheim AIRCOND Klimaanlagen NN Carrier Portugal Handelsgesellshcaft m b H Carrier Hellas
99. ault 1 3 Changing the group address No 4 of SW703 Necessary Necessary Header Individual Header ON ON Follower OFF the other units Settings of the header unit reflect the indications of the remote controller Not necessary Follower OFF all units Settings of the follower unit with the smallest indoor unit address number reflect the indication of the remote controller 4 Fix Automatic changeover of the central control address No 3 of SW703 Circuit board of the Air to Air Heat Exchanger Not necessary 5 Changing the terminator No 1 of SW301 Not necessary None OFF Checking before turning on the power Complete the settings of the Air to Air Heat Exchanger and wiring Complete the settings of the Air to Air Heat Exchanger and wiring Refer to the Installation Manual of the air conditioner for the settings and wiring Turning on the power Turn on the breaker of all the Air to Air Heat Exchangers Turn on the Air to Air Heat Exchanger first Refer to the Installation Manual of the air conditioner for its power supply Central control address setting Not necessary 118 Central control system System example 0 E F Central control One Air to Air Heat Exchanger When controlling the air conditioner and the Air to Air Heat Exchanger When controlling t he air conditioner a
100. ay water or detergent on the electric parts Otherwise an electrical leakage may occur and a fire or electric shock may result N CAUTION Wear protective gloves when performing maintenance Otherwise an injury may result E Maintenance of the filter and heat exchange element Filter maintenance Clean the filter once or twice a year 1 Clean the filter if amp is indicated on the remote controller 2 Press the 75 button after cleaning the filter The amp indicator disappears 141 1 Open the inspection cover Enter the ceiling cavity remove the screw of fixed part of Inspection cover and remove the fixing lever support the inspection cover while removing the brackets then open the inspection cover VN M150 to 1000HE Fixed part of Inspection cover Fixing lever VN M1500 and 2000HE Inspection cover 2 Pull out the heat exchange elements Filters are attached to the heat exchange element Hold the handle of the heat exchange element then pull it out 2 heat exchange elements are equipped with this unit VN M150 to 1000HE 4 heat exchange elements are equipped with this unit VN M1500 and 2000HE Filters N CAUTION The table below shows the weight of each heat exchange element Handle the heat exchange element carefully so as not to drop it Model name Weight kg un
101. be changed with CODE No DN EA of the DN setting 3 Bypass mode control If OA 5 RA 10 12 5 the system automatically runs in Heat Exchange mode to prevent condensation For details see the section Cold Mode Control The display on the remote controller remains Bypass regardless of the ventilation mode in actual operation When operation starts in Bypass mode the Heat Exchange mode is maintained for three minutes if the state before stop is Heat Exchange mode cold mode control 1 Air to Air Heat Exchanger system 1 Automatic mode control One of the following three zones is selected by the TOA and TRA sensors Cooling zone Fan zone Heating zone Automatic ventilation control is performed in the Cooling and Heating zones For the Fan zone the mode is fixed to Heat Exchange For five minutes after the start of Automatic mode the Heat Exchange state is maintained The display on the remote controller remains Automatic regardless of the ventilation mode in actual operation 2 Criteria for each zone Cooling zone OA 2 24 or OA gt 20 and RA gt 24 Fan zone 20 5 OA lt 24 and 20 5 RA lt 24 Heating zone Temperature range out of the Cooling and Fan zones 3 Bypass mode condition in automatic ventilation control Cooling zone RA 2 26 C and OA 2 22 and RA 2 OA Heating zone RA amp 18 and RA 10 C 14 5 C OA 22 and OA 2 RA 3 C If the system is in a
102. ble if the DN setting is changed compatible with the Air to Air Heat Exchanger unit The linkage operation is possible but changing the ventilation mode and fan speed is not possible Will be possible if the DN setting is changed If is shown but the development number is older than that indicated in the tables the indoor unit is not yet Indoor unit type Cassette type Duct type Compact 5 Ceilin High wall 4 way air air 2Way air 1 way air Slimduct toe woe discharge discharge discharge Duct type yp yp discharge iuba fine type type yp type yp yp Development No Series No 2 4 2 4 4 4 4 4 4 Compatibility Indoor unit type Floor type u Floor standing type Fresh air intake type Cabinet type Concealed type Console type Development No Series No 4 1 2 Compatibility Modular multi type um MM New refrigerant R410A U AP 009 4 i i Guide of capacity Based on the cooling capacity Btu h 1 000 Development series No H H Heat pump HFE Fresh air intake Type Note on type Cassette type None 4 way air discharge type Compact 4 way air discharge type M suus 2 way air discharge type Sess 1 way air discharge type Small sized 1 way air discha
103. ble to be use Duct length must be longer than 850 mm 103 4 Separately sold parts Wired remote controller for the Air to Air Heat Exchanger NRC 01HE Sold separately Up to 8 units of the Air to Air Heat Exchanger can be operated using this remote controller 5 Reference diagram V VN M150 to 1000HE n Hanging bolt Pipe hood Outdoor air mg intake duct Supply air duct lt SA Supply lt air lt RA Return lt air gt S Inside supply opening Heat insulation material Return air intake duct de Supply Exhaust air grille EA Exhaust air Exhaust air Room intake opening duct Supply Exhaust air grille Y VN M1500 and 2000HE Hanging bolt Supply air duct SA Supply air Outdoor air intake duct RA Return Exhaust air duct air Inside supply opening aduci Supply Exhaust air grille Heat insulation material Room intake opening Supply Exhaust air grille 104 6 Model list Vv VN M150 to 1000HE Damper motor Damper Heat exchange element 2 EA Exhaust air Return air Fixed part of inspection cover Motor Exhaust air Supply air Motor Filter x 2 Inspection cover i Indoor side SA Supply air Hanging bracket 4 4 13 x30 Oval hole Electrical control cover Fixing lever Unit mm
104. cally or manually when installing the unit Follow the procedure below to replace the PC board for service on the Air to Air Heat Exchanger After replacing the board confirm the settings of the Air to Air Heat Exchanger unit No and the header follower configuration in the group In addition perform a test run Replacement procedure v Case 1 When you can turn on the Air to Air Heat Exchanger and can read the setting data from the wired remote controller before you replace the board Readout of EEPROM data 1 See page 147 Vv Replace the PC board for service and turn the power on 2 See page 147 X Writing in of the readout EEPROM data 3 See page 148 54 Reset the power supply for all Air to Air Heat Exchangers including the indoor units connected to the remote controller while performing group operation v Case2 When you can neither turn on the Air to Air Heat Exchanger nor operate the wired remote controller due to a problem with the feeder circuit when there is a problem with the circuit board before you replace the board Replace the EEPROM IC503 For details see EEPROM arrangement figure on page 148 Readout of EEPROM on the PC board then attach the EEPROM for service Replace the PC board for service and turn the power on 2 See page 147 Readout of EEPROM data 1 See page 147 If the data cannot be read go to Case 3 S Replace the EEPROM IC503 For details see
105. ccording to the following Confirmation of error history for confirmation Check code Unit No of the Air to Air Heat Unit No of the Air to Air Heat Exchanger is 31 Exchanger in which an error occurred Confirmation of error history When a trouble occurred on the Air to Air Heat Exchanger the trouble history can be confirmed with the following procedure The trouble history is stored in memory up to 4 troubles The history can be confirmed from both operating status and stop status Procedure Description When pushing e buttons at the same time for 4 seconds or more the following display appears If Service check is displayed the mode enters in the trouble history 1 mode 01 Order of trouble history is displayed in CODE No window Check code is displayed Unit No of the Air to Air Heat Exchanger in which an error occurred is displayed in UNIT No Unit No of the Air to Air Heat Exchanger is 31 Every pushing of Ca button used to set temperature the trouble history stored in memory is displayed in order 2 The numbers in CODE No indicate CODE No 01 latest to 04 oldest CAUTION Do not push e button because all the trouble history of the Air to Air Heat Exchanger will be deleted 3 After confirmation push c button to return to the usual display 1 Check the troubles according to the above procedure 2 Ask an a
106. collective system The list of our distributor in each country is shown below In case of a violation of the Directive sanctions are set in each country We are in general following the CECED interpretation and consider the WEEE applicable to Portable units Dehumidifiers WRACs Window Room Air Conditioners Split Systems up to 12 kW plug in refrigerators and freezers Nevertheless there may be differences among member state laws In case country laws exclude some products from WEEE scope country law must be followed and WEEE obligations do not have to be followed for products that fall out of country low scope This directive does not apply to products sold outside European Community In case the product is sold outside the EU WEEE obligations do not have to be followed while compliance with local regulations must be ensured For additional information please contact the municipal facility the shop dealer installer that sold the product or the producer Country Name of Company responsible for WEEE e e e e e AIRCOND Klimaanlagen GT Phelan Unit 30 Southern Toshiba Carrier UK Ltd Austria Handelsgesellshcaft m b H Ireland Cross Business Park Bray Co UK Porsham Close Belliver Ind Petesgasse 45 A 8010 Wicklow Ireland Est Plymouth Devon PL6 Graz Austria 7DB Ital Carrier SpA Via R Sanzio 9 DOLPHIN NV Fotografi elaan y 20058 Villasanta Mil
107. conditioners and Air to Air Heat Exchangers are stopped Only when the operation mode before the stop of the air conditioner header unit is Automatic cooling Drying or Cooling When 24 hour ventilation is set to Invalid Invalid when only the Air to Air Heat Exchangers are stopped Invalid when the air conditioners are stopped in states where only the Air to Air Heat Exchangers are stopped 3 When the nighttime heat purge setting is valid The mode moves from the stop of the Air to Air Heat Exchangers to the nighttime heat purge operation mode standby mode lights up and the system enters the nighttime heat purge operation standby mode 4 Nighttime heat purge operating conditions The nighttime heat purge monitoring operation start time specified in the DN setting 1 to 48 hours has passed Temperature monitoring operation is performed for five minutes Heat Exchange mode and nighttime heat purge operation starts if the following conditions are met RA 2 3 C and RA 2 set temperature 2 C and OA 2 RA 10 C 14 5 C 5 During nighttime heat purge operation The ventilation fan speed can be changed with CODE No DN 47 of the DN setting 0000 Operate with the ventilation fan speed fixed to Low factory default 0001 Operate with the ventilation fan speed that was set before stop During nighttime heat purge operation the ventilation mode fixed to Bypass mode cannot be changed and it is not displayed
108. control address central The line system address of an Air to Air Heat Exchanger The line system address of an Air to Air Heat Exchanger control unit is always 31 unit is always 31 The indoor unit address of an Air to Air Heat Exchanger unit The indoor unit address of an Air to Air Heat Exchanger unit Air to Air Heat needs to be manually specified in No 1 to No 4 of SW702 needs to be manually specified in No 1 to No 4 of SW702 Exchanger and in No 1 and No 2 of SW703 and in No 1 and No 2 of SW703 address settings The group address of only one Air to Air Heat Exchanger The setting of the smallest address applies to the remote unit needs to be manually specified to header ON in No 4 controller display of SW703 The group address of an Air to Air Heat Exchanger unit does not need to be specified Air conditioner group RBC AMT32E RBC AMS41E can be used 1 RBC AMT32E RBC AMS41E and NRC 01HE can be used NRC 01HE can be used Air to Air Heat Exchanger group Remote controller RBC AMT32E cannot be connected RBC AMS41E can be used 1 NRC 01HE can be used The group header must be an indoor unit compatible with Air to Air Heat Exchange If the group header is an indoor unit not yet compatible with Air to Air Heat Exchange the linkage operation is possible Note but the ventilation fan speed and mode of the Air to Air Heat Exchanger cannot be changed can be change
109. controller NRC 01HE Confirm that the unit operates properly referring to the Owner s Manual of the Air to Air Heat Exchanger Operation item Button Display Operation 1 Starting operation Qo 2 E sess The operation lamp lights up then the Air to Air Heat Exchanger starts running 2 Changing the ventilation mode B Each time the ventilation mode button is pressed the mode changes as follows DR gt R gt L 3 Changing the ventilation amount E 6 BOOB 1 lt 6 ses Each time the ventilation amount button is pressed the ventilation amount changes as follows Xe lt gt lt gt 2182 or 2188 is displayed only when the imbalanced ventilation Fan speed is valid 4 Stopping operation The operation lamp goes off then the Air to Air Heat Exchanger stops running 140 1 3 Maintenance Running the Air to Air Heat Exchanger for a long period causes the filter or heat exchange element to become clogged with dust If the filter or heat exchange element is clogged the ventilation amount is reduced and ventilation effect will be deteriorated Clean the filter and heat exchange element regularly according to the extent of dust accumulation NWARNING Before performing maintenance stop the unit then turn off the breaker Otherwise an electric shock or injury may result Do not pour or spr
110. d 5 Using a no voltage a contact input of the external input sold separately the following operations are available Between 1 and 2 Selecting the remote controller operation Invalid Valid Between 1 and 3 Adjusting the ventilation fan speed Low High Between 1 and 4 Selecting the ventilation mode Bypass mode Heat exchange mode Between 1 and 5 Operation ON OFF Use a microcurrent contact DC12 V 1 mA In addition ON OFF operation is possible when using a voltage of DC12 V or 24 V 6 Blue wire High is connected as factory default To switch to Extra High connect black wire s connector instead of blue 7 When the temperature of the outdoor air is below 10 C the unit runs in the cold mode the ventilator for air supply runs intermittently The unit cannot run when the temperature of the outdoor air is below 15 C The ventilator for air supply stops running and the ventilator for air exhaust also stops depending on the settings 8 Even if Bypass mode is selected manually the unit switches to Heat exchange mode automatically to prevent condensation when the temperature of the outdoor air is below 15 C However Bypass mode is still displayed 111 VN M1500 and 2000HE Connector Connector Air to Air Heat Exchanger nector ite 6 Connector Power supply for the Light blu
111. d depending on the DN setting Air to Air The group follower can run without any problems even if it is an Heat indoor unit not yet compatible with Air to Air Heat Exchange Exchanger and Air Central Controller for 64 128 units groups Outdoor Central Controller for 64 128 units groups TCB SC642TLE2 TCB SC642TLE2 Conditioner MS CM1280TLE SMMS usu 7 Usud series Air conditioner Air conditioner Air to Air Heat Air o Air Heat Air to Air Heat Exchanger Air to Air Heat Exchanger remote controller remote controller Exchanger Exchanger remote controller remote controller RBC AMT32E RBC AMT32E remote controller remote controller NRC 01HE NRC 01HE NRC 01HE NRC 01HE Line address 1 1 31 31 1 1 31 31 Indoor unit address 1 2 1 2 1 2 1 2 Group address 1 2 1 2 1 2 2 2 Central control address 1 1 2 2 1 1 1 1 With central The line system address of an Air to Air Heat Exchanger The line system address of an Air to Air Heat Exchanger control unit is always 31 unit is always 31 The indoor unit address of an Air to Air Heat Exchanger unit The indoor unit address of an Air to Air Heat Exchanger unit Air to Air Heat needs to be manually specified in No 1 to No 4 of SW702 needs to be manually specified in No 1 to No 4 of SW702 Exchanger and in No 1 and No 2 of SW703 and in No 1 and No 2 of SW703 address settings The group address of only one Air to Air Heat Exchanger The setting of the smallest address applies to the
112. d when starting running the air conditioner Nighttime heat 0000 Invalid 0000 Invalid Adjusting this setting is necessary for all purge 0001 0048 Start after SET the Air to Air Heat Exchangers in the group 4C DATA of DN x 1 hour s System equipped with the Air to Air Heat Exchanger and air conditioners 33 Code Description SET DATA and description Factory default Note 4D Setting of the exhausting fan operation below 15 C OA 0000 Exhausting fan run 0001 Exhausting fan stop The supplying fan stops when the temperature is below 15 C OA 0000 Exhausting fan run Adjusting this setting is necessary for all the Air to Air Heat Exchangers in the group 4E Setting of the linked operation with external devices 0000 ON OFF linked 0001 ON linked 0002 OFF linked Specifies whether the ON OFF operation of the Air to Air Heat Exchanger is linked with the external device operation 0000 ON OFF linked Adjusting this setting is necessary for the Air to Air Heat Exchanger to which an adapter for remote ON OFF control sold separately is connected 5C Damper output 0000 Normal 0001 Support of 24 hour fan nighttime heat purge 0000 Normal Adjusting this setting is necessary for the Air to Air Heat Exchanger which transfers the operation output 9D Start Stop by power on off 0000 Invalid 0001 Valid Starts Stops running the Air to Air
113. der remote controller controller controller has not been set including two remote controllers Remote controller No signal can be received from the indoor unit communication error E02 Remote controller Remote System interconnection wires indoor P C board remote transmission error controller controller No signal can be sent to the indoor unit Indoor unit remote Indoor Remote controller network adapter indoor P C board No E03 controller regular data is received from the remote controller or network adapter communication error E08 Duplicated indoor Indoor Indoor address setting error The same address as the self addresses address was detected Duplicated header Remote Remote controller address setting error Two remote remote controllers controller controllers are set as header in the double remote controller E09 control The header indoor unit stops raising alarm and follower indoor units continue to operate Header indoor unit indoor Indoor Indoor P C board Regular communication is not possible E18 follower unit regular between header and follower indoor units or between twin communication error header main and follower sub units F17 Air to Air Heat Exchanger Air to Air Heat Outdoor Air sensor TOA indoor P C board Open circuit or TOA error Exchanger short circuit of the heat exchanger sensor TOA was detected F18 Air to Air Heat Exchanger Air to Air Heat Return Air sensor TRA indoor P
114. ditioner refer to the owner s manuals supplied with the air conditioner blinks on the display of the remote controller when the power switch is turned on for the first time The initial settings progress while is blinking Start to use the remote controller after has disappeared NOTE The LCD may temporarily be blurred due to static electricity Display section Operation section 6 Filter indicator Reminder to clean the air filter SETTING indicator Displayed when setting the timer or other functions e Test run indicator Operation mode indicator 1 Displayed during a test run Indicates the operation mode selected E Louver position display 1 Error indicator Displayed when the protective device activates or an error occurs Time indicator Indicates time concerning the timer Indicates a error code when an error occurs Timer mode indicator Each time you press the button the indication changes as follows and timer indication 80 9 Indicates the louver position Only for 4 way cassette 1 way cassette 2 way cassette under ceiling types Swing indicator 1 Displayed during up down movement of the louver 10 Set temperature display 1 The selected set temperature is displayed 11 Remote controller sensor indicator 1 Displayed when the remote controller sensor is used 12 Pre heat indicator 1 Displayed when the h
115. ds or more while the 244 indicator is displayed to stop 24 hour ventilation temporarily The 24H indicator turns off and 24 hour ventilation stops temporarily NOTE The setting of 24 hour ventilation is OFF As factory default Consult your dealer to change the setting to ON The settings of amp or amp cannot be changed during 24 hour ventilation Their indicators are not displayed During 24 hour ventilation the unit is running intermittently stops for 60 minutes after running for 60 minutes under the settings LOW ventilation fan speed and Heat exchange mode While 24 hour ventilation is running the 244 indicator stays lit even during the intervals About nighttime heat purge operation Nighttime heat purge is a function to reduce the room air conditioning load in the morning in summer by exhausting the air indoor which has become warm while the air conditioner is stopped in the night automatically in the Bypass mode The nighttime heat purge operation functions if night purge is activated and the last operation mode of the air conditioner before stopping is X S or amp inanAirto Air Heat Exchanger system linked with air conditioners If the mum button is pushed while the system is running the operation lamp turns off appears on the display and the nighttime heat purge operation turns on standby After the operation becomes on standby the unit automatically starts ventilation
116. e Connector White Red and High Air Represents the connector to switch between Extra High External output 220 240V under 1A each Conn ctor White Wiring for central control Operation output Common 5 External input sold separately KS Gas foe No voltage a contact input 1 Common 2 Remote controller operation 3 Ventilation fan speed gt 4 Ventilation mode 5 Operation Voltage DC 12V 24V input 1 to Air Heat Exch 220 240V controller sold 220V 60Hz separately Code Part name Code Part name Code Part name CN Connector TOA TOA sensor TB4 Terminal block F01 Fuse RY701 RY702 Relay for air supplying motor SW301 SW701 DIP switch 5 SW702 SW703 FM1 FM3 Air supplying motor RY704 RY705 Relay for air exhausting motor 7 43211 43212 Relay for air supplying motor FM2 FM4 Air exhausting motor TB1 Terminal block power supply ES 43F21 43F22 Relay for air exhausting motor DAM1 DAM2 Damper motor TB2 Terminal block communication TRA TRA sensor TB3 Terminal block external output 1 The dotted line represents a wire locally procured and the dashed line represents an option sold separately 2 represents a terminal block o represents a connection terminal and represents a connector on the printed circuit board repres
117. e Airto Air Heat Exchanger after having completed the work check that the electrical control cover and inspection cover are closed and set the circuit breaker to the ON position You may receive an electric shock if the power is turned on without first conducting these checks When there is some kind of trouble such as when an error display has appeared there is a smell of burning abnormal sounds are heard or water is leaking has occurred in the Air to Air Heat Exchanger do not touch the Air to Air Heat Exchanger yourself but set the circuit breaker to the OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrives Continuing to use the Air to Air Heat Exchanger in the trouble status may cause mechanical problems to escalate or result in electric shocks etc After the work has finished use an insulation tester set 500 V Megger to check the resistance is 1 MO or more between the charge section and the non charge metal section Earth section If the resistance value is low a disaster such as a leak or electric shock is caused at user s side Upon completion of the installation work check the insulation resistance Then conduct a test run to check that the Air to Air Heat Exchanger is operating properly Explanations given to user Upon completion of the installation work tell
118. e it Screws M4x10 Damper motor holder STAY DAMPER MOTOR 19 Damper DAMPER 1 2 20 to 24 24 Remove the damper DAMPER from the damper motor holder STAY DAMPER MOTOR Remove the damper motor MOTOR LOUVER then remove the damper from the damper support Damper DAMPER Damper support 56 Component Procedure Note 20 Electrical control base LID ELECTRIC PARTS Tapping SCREW TAPPING 6 25 26 27 PC BOARD bushes 25 Disconnect all the connectors from the PC board Thread all the connectors through the cord Electrical control base LID ELECTRIC Connectors PARTS Cord bush base LID ELECTRIC PARTS 26 Remove the two tapping screws SCREW TAPPING then remove the electrical control Tapping screws SCREW TAPPING Electrical control base LID ELECTRIC PARTS Electrical control box BOX ELECTRIC PARTS 57 Component Procedure Note PC board PC BOARD 6 25 27 27 Remove the screws M4x6 that fix the earth wire Remove the six spacers from the PC board PC BOARD Squeeze the stopper to remove Fm Spacer SPACER Screws 21 M4x6 Earth wire Spacer SPACER 28 Squeeze the lock of the spacer SPACER to 6 25 27 28 remove it from the electrical control base LID ELECTRIC PARTS 22 Squeeze th
119. e lock to remove Power supply terminal 29 Pull out the fastening terminals of the connectors Screws block TERMINAL CONNECTOR 7 CONNECTOR 15 M4x14 BLOCK 2P Remove the two screws that fix the power supply 4 6 29 terminal block TERMINAL BLOCK 2P then 23 remove the power supply terminal block terminals External terminal block 30 Pull out the fastening terminal of the connector Screws TERMINAL BLOCK CONNECTOR 5 M4x14 5P Remove the two screws that fix the external 6 30 terminal block TERMINAL BLOCK 5P then remove the external terminal block Pull out the fastening 24 terminals 58 Component Procedure Note 25 Communication wire terminal block TERMINAL 4P 6 31 31 Pull out the fastening terminal of the connector CONNECTOR 8 Remove the two screws that fix the communication wire terminal block TERMINAL 4P then remove the communication wire terminal block Pull out the fastening terminals Screws M4x14 26 TRA Sensor SENSOR TRA 1 2 6 32 33 Upper unit only 32 Release the small clamp CLAMP and big clamp CLAMP that fix the TRA sensor SENSOR TRA then remove the TRA sensor _ 33 Cut the cable tie then remove the connector of the sensor SENSOR TRA from the PC board PC BOARD Note When cutting the cable tie be careful not to cut the lead wire unintentionally Connector of TRA sensor SENSOR
120. e or she is a person who has been trained in matters relating to electrical work on the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Definition of Protective Gear When the Air to Air Heat Exchanger is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing In addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn All types of work Protective gloves Safety working clothing Electrical related work Gloves to provide protection for electricians and from heat Work done at heights 50 cm or more
121. eat Exchanger with a problem Check code E Confirmation of error history When an error occurred on the Air to Air Heat Exchanger the error history can be confirmed with the following procedure The error history is stored in memory up to 4 troubles The error can be confirmed from both operating status and stop status When pushing and buttons at the same time for 4 seconds or more the following display appears If Service check is displayed the mode enters in the trouble history mode 01 Order of error history is displayed in CODE No window Check code is displayed in CHECK window Air to Air Heat Exchanger address in which an error occurred is displayed in Unit No Unit No of Air to Air Heat Exchanger is 31 OO 144 2 Every pushing of c3 button used to set temperature the error history stored in memory is displayed in order The numbers in CODE No indicate CODE No 01 latest 04 oldest REQUIREMENT Do not push button because all the error history of the Air to Air Heat Exchanger will be deleted 3 After confirmation push button to return to the usual display Check codes and parts to be checked Wired remote controller Main defective parts uM Parts to be checked error description 4 evice display No header remote Remote Incorrect remote controller setting The hea
122. eating mode is energized or defrost cycle is initiated While this indication is displayed the indoor fan stops or operate in fan mode 13 No function indicator Displayed when the function requested is not available on that model 14 Fan speed indicator 1 Indicates the selected fan speed Auto At High gt Medium ee Low amp 15 Louver Number display 1 exapmle 01 02 03 04 16 Power saving mode display 1 Displayed during capacity saving mode 17 Louver lock indicator 1 Displayed when a louver is locked 4 way cassette type only 18 UNIT No indicator The number of the Air to Air Heat Exchanger selected using the UNIT button or that of the unit in which an error has occurred 19 Central control indicator Displayed when a central control device such as a central controller is also used If the central control 81 20 11 12 13 device prohibits the use of local remote controllers amp blinks when of the mum or TEMP buttons are pressed and the operation is rejected The items controllable with the remote differ depending on the mode of central control Refer to the owner s manual of the central control device you are using for more information 20 Operation mode controlled indicator 1 Displayed when MODE button is pushed while operation mode is fixed to cool or heat by the air conditioner administrator 24 26 27 21 Operation ready display
123. ecomes absolutely necessary to check out the electrical parts with the electrical control cover of one or more of the Air to Air Heat Exchanger removed in order to find out exactly where the trouble lies put a sign in place so that no one will approach the work location before proceeding with the work Third party individuals may enter the work site and receive electric shocks if this warning is not heeded Insulating measures Connect the cut off lead wires with crimp contact etc put the closed end side upward and then apply a water cut method otherwise a leak or production of fire is caused at the users side Assembly z 2 Q After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the electrical control cover does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user s side Insulator check After the work has finished be sure to use an insulation tester set 500V Megger to check the resistance is 1MQ or more between the charge section and the non charge metal section Earth position If the resistance value is low a disaster such as a leak or electric shock is caused at user s side Check after repair Once the repair work has been completed check for the insulation resistance Then perform a trial run to check that the Air to Air Heat Exchanger is
124. econds or longer The Unit No displayed first indicates the indoor unit address of the header unit in group control The Air to Air Heat Exchanger Unit No is 31 OO The fan of the selected Air to Air Heat Exchanger starts running The indicator lights up when the wired remote controller NRC 01HE is used The line system address is always 31 The indoor unit address is between 1 and 64 The address is specified with No 1 to No 4 of SW702 and with No 1 and No 2 of SW703 2 Each time you press left side of the button the unit No of the Air to Air Heat Exchangers in the group are displayed successively Only the fan of the selected Air to Air Heat Exchanger starts running Procedure 1 2 3 4 5 6 End Press the temperature button to select the CODE No DN 4 Press the timer button to select the setting data 5 Press the 2 button There are no problems if the indicator lights up To change the selected Air to Air Heat Exchanger return to To change CODE No DN to set return to 3 6 Press the 2 button to return to normal operation The unit stops 32 Codes DN codes for changing settings Necessary for local advanced control The following DN codes are used in common for NRC 01HE RBC AMT32E and RBC AMS41E 0004 10000 H Code Description SET DATA and description Factory default Note Lighting up 0000 None 0002 2500 H Adjusting
125. ed duct slim duct floor Do not use this button in everyday operations concealed and floor standing cabinet fresh air 4 Cr button Ventilation button intake types This button is used when the Air to Air Heat 8 Operation lamp Exchanger is in a system linked with air Lights up during operation conditioners Push the button to turn on off the Air to Air Heat Exchanger Turning on off the air conditioner also turn on off the Air to Air Heat Exchanger 9 E button No Air to Air Heat Exchanger is connected or Turns on the unit when pressed and turns it off separate operation of the Air to Air Heat when pressed again Exchanger is not set if appears on the E remote controller de pushing the 10 button Operation mode select button button 1 S Selects desired operation mode 5 button Filter reset button Resets FILTER indication after cleaning Blinks when an error occurs or the protective device activates 78 TIMER SET SAVE VENT TIME 1 Ca SWING FIX UNIT LOUVER r e UNIT LOUVER button Unit Louver select button Used for selecting a unit while changing settings if the remote controls two or more units UNIT button If two or more indoor units are controlled by one remote controller use this button to select a unit to adjust its air blow direction LOUVER button
126. ely he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the Air to Air Heat Exchangers made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the Air to Air Heat Exchangers made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified service The qualified service person is a person who installs repairs maintains relocates and removes the Air to person Air Heat Exchangers made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the Air to Air Heat Exchangers made by Toshiba Carrier Corporatio
127. ents a protective ground represents a printed circuit board Using a no voltage a contact input of the external input option the following operations are available Between 1 and 2 Selecting the remote controller operation Invalid Valid Between 1 and 3 Adjusting the ventilation fan speed Low High Between 1 and 4 Selecting the ventilation mode Bypass mode Heat exchange mode Between 1 and 5 Operation ON OFF Use a microcurrent contact DC12 V 1 mA In addition ON OFF operation is possible when using a voltage of DC12 V or 24 V instead of blue 112 Blue wire High is connected as factory default To switch to Extra High connect black wire s connector Switches and connectors on the circuit board Remove the 4 screws to detach the electrical control cover Referto 9 Installation method for each system configuration on page 116 about setting the switch Electrical control base Screws x 4 Electrical control cover Changeover switch for the terminator SW301 No 1 100 0 ON None OFF Changeover switch for the central control address SW703 No 3 Fix ON Changeover switch for the group address SW703 No 4 Header Individual ON Follower OFF ERE 112 3 4 Ame a a a Changeover switch for the indoor unit address SW702 No 1 to 4 703 No 1 and 2 113 Changeover switch for pulse static SW701 N
128. eration for the Air to Air Heat Exchanger and air conditioners to Air Heat Exchanger only 24 hour 0000 Always LOW 0000 Always LOW Adjusting this setting is necessary for all nighttime heat 0001 Fan speed ventilation the Air to Air Heat Exchangers in the group 47 Purge Fan before the operation is speed stopped ventilation 24 hour nighttime heat purge setting Fan speed ventilation setting Imbalanced Fan 0000 Normal 0000 Normal Adjusting this setting is necessary for all speed 0001 SA High gt EA Low the Air to Air Heat Exchangers in the group 48 ventilation active 0002 SA Low lt EA High active High may be Extra High 49 24 hour 0000 Invalid 0000 Invalid Adjusting this setting is necessary for all ventilation 0001 Valid the Air to Air Heat Exchangers in the group ON OFF ratio of 0000 Normal The air volume of 0000 Normal Adjusting this setting is necessary for all 24 hour ventilation 1 2 60 minute the Air to Air Heat Exchangers in the group ventilation ON 60 minute OFF 4A 0001 0059 Arbitrary SET DATA of DN minute ON 60 SET DATA of DN minute OFF Delayed 0000 Invalid 0000 Invalid Adjusting this setting is necessary for all operation 0001 0006 SET DATA of DN x the Air to Air Heat Exchangers in the group 10 minutes delay System equipped with the Air to Air Heat 4B Delaying the Air to Air Heat Exchanger and air conditioners Exchanger operation to reduce the air conditioning loa
129. es near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents Warning Indications on the Air to Air Heat Exchanger Unit Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions If removing the label during parts replace stick it as the original Warning indication Description ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with inspection cover removed Stop the unit before the servicing WARNING Moving parts Do not operate unit with inspection cover removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this cover CAUTION High temperature parts You might get burned when removing this cover Precautions for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual N DANGER Turn off breaker Before carrying out the installation maintenance repair or removal work be sure to set the circuit breaker for Air to Air Heat Exchanger to the OFF po
130. f the Air to Air Heat Exchanger Ifthe remote controller for the Air to Air Heat Exchanger NRC O1HE has been installed you can control the Ventilation fan speed and ventilation mode of the Air to Air Heat Exchanger with the remote controller The remote controller for air conditioner RBC AMT32E AMSAAE cannot be used to control the Ventilation fan speed and ventilation mode of the Air to Air Heat Exchanger For operation details using the remote controller for the Air to Air Heat Exchanger NRC 01HE see page 83 6 How to use If three control devices are used the central controller and the remote controllers for the Air to Air Heat Exchanger and the air conditioner the latter operation overrides the former regardless of which device is used NOTE The heat exchange element may smell during the initial period of use However this is not a malfunction and the smell is harmless 76 5 Part names and functions Concealed microcomputer control type main unit VN M150 to 1000HE VN M1500 and 2000HE Electrical control cover SA Supply air Inspection cover X Filter Two for each Model No element indication c Return air OA Outdoor air Heat exchange element two EA Exhaust air Heat exchange element two EA 4 Exhaust Return Exhaust air air air Outdoor Indoor B Outdoor side side OA Outdoor air
131. for air conditioner RBC AMS41E Using the remote controller for the Air to Air Heat Exchanger NRC 01HE the unit can be started or stopped control the ventilation fan speed and select the ventilation mode If two remote controllers are used the latter operation overrides the former and their indications always reflect the result of the latter operation and the settings of the header unit The remote controllers for the air conditioners RBC 2 are not compatible with a system in which only the Air to Air Heat Exchanger is used Only on off operation is available for RBC AMS41E Air to Air Heat Exchanger system linked with air conditioners Outdoor unit L U1 U2 Air Air conditioner conditioner c ia Exchariger Remote controller for air conditioner RBC AMT32E RBC AMS41E Remote controller for the Air to Air Heat Exchanger NRC 01HE J The remote controller for the air conditioner or the Air to Air Heat Exchanger can be used to ON OFF the whole system The remote controller for the Air to Air Heat Exchanger NRC 01HE can be used to control the ventilation fan speed and ventilation mode of the Air to Air Heat Exchanger The remote controller for air conditioner RBC AMT32E and RBC AMS41E cannot be used to control the ventilation fan speed or ventilation mode of the Air to Air Heat Exchanger The remote controller for the air conditioner or the Ai
132. for how to use the functions Consult your dealer to change the setting to OFF The unit starts running without any operation of the remote controller Has the unit just recovered from a power failure or have you just turned on the circuit breaker The settings concerning recovering from power failure are set to ON Consult your dealer for details 91 1 7 Troubleshooting N CAUTION If any of the following conditions occur turn off the main power supply switch and immediately contact the dealer Switch operation does not work properly The main power fuse often blows out or the circuit breaker is often activated Aforeign matter or water fall indoor the Air to Air Heat Exchanger When the Air to Air Heat Exchanger does not operate even after the cause of the protective device activation has been removed The operation lamp and on the remote controller are flashing When and a combination of E H L 1 or P and a number are displayed on the remote controller also inform a qualified service person of the display content Any other unusual conditions are observed Confirmation and check When a trouble occurred in the Air to Air Heat Exchanger the check code and the unit No of the Air to Air Heat Exchanger appear on the display part of the remote controller The check code is only displayed during the operation If the display disappears operate the Air to Air Heat Exchanger a
133. for the air conditioner and vice versa The remote controller for the Air to Air Heat Exchanger NRC 01HE can be used to control the group of the air conditioners instead of using the remote controller for the air conditioner The remote controller for the Air to Air Heat Exchanger NRC 01HE can be used to control the ventilation fan speed and ventilation mode of the group of the Air to Air Heat Exchangers The remote controllers for the air conditioners RBC 2 cannot be used to control the group of the Air to Air Heat Exchangers Only on off operation is available for RBC AMS41E F Central control system When controlling the air conditioner and Air to Air Heat Exchanger together Central controller for 64 128 units groups TCB SC642TLE2 BMS CM1280TLE Air Air to Air conditioner Heat Heat Exchanger Exchanger B AB iA B Remote controller for air conditioner B RBC AMT32E RBC AMS41E Remote controller for the Air to Air Heat Exchanger NRC 01HE The central controller can be used to ON OFF the whole system It can also be used to ON OFF the Air to Air Heat Exchanger separately The central controller cannot be used to control the ventilation fan speed or ventilation mode of the Air to Air Heat Exchanger If three control devices are used the central controller and the remote controllers for the Airto Air Heat Exchanger and
134. gers are not linked in operation The central controller cannot be used to control the Ventilation fan speed or ventilation mode of the Air to Air Heat Exchanger If the remote controller for the Air to Air Heat Exchanger NRC O1HE has been installed you can start and stop the unit control the Ventilation fan speed and select the ventilation mode with the remote controller The remote controllers for the air conditioner RBC AMT32E are not compatible with the Air to Air Heat Exchanger system Only ON OFF operation is available for RBC AMS41E For operation details using the remote controller for the Air to Air Heat Exchanger NRC 01HE see page 83 6 How to use D Central control system When controlling the air conditioners and the Air to Air Heat Exchangers together pM Central controller for 64 unit ___ 128 units groups lu TCB SC642TLE2 BMS CM1280TLE Air conditioner Air conditioner Remote controller for the Air to Air Heat Exchanger NRC 01HE Remote controller for air conditioner RBC AMT32E AMS41E The central controller can be used to start stop the whole System It can also be used to start stop the Air to Air Heat Exchanger separately However setting modifications are required for separate control Contact your dealer for more information The central controller cannot be used to control the Ventilation fan speed or ventilation mode o
135. h the washer and the nut to the hanging bolt see the table on the below according to the diagram on the below Hanging bolt M10 or M12 Washer M10 or M12 Washer M10 or M12 Use the washer just under the hanging bracket to prevent the bolt from falling off Nut M10 or M12 Hanging bracket Nut M10 or M12 B Fixing the unit VN M150 to 1000HE Hanging bolt M10 or M12 Hanging bolt Nut Washer Hanging bracket Washer Nut 1 Hang the hanging bracket on the hanging bolt then adjust the nut so that the unit is level 2 Use a double nut and fasten it firmly so that the nut does not become loose If the unit is not installed properly it will vibrate and may pose a hazard If the unit is not level the damper unit will not work properly Install the unit firmly enough to support its own weight Model name Weight kg Hanging bolt VN M150HE 36 VN M250HE 36 VN M350HE 38 VN M500HE 53 VN M650HE 53 M10 M12 VN M800HE 70 VN M1000HE 70 VN M1500HE 140 VN M2000HE 140 CAUTION Use a commercially available vibration proof fixture when the unit is installed in a place where preventing vibration is necessary Leave a space of 450 mm x 450 mm or more for checking the filter heat exchanging element power Source or motor Refer to Cautions for installation for the location of the space required
136. have been trained and is thus thoroughly acquainted with the knowledge related to this work 96 Definition of Protective Gear When the Air to Air Heat Exchanger is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing In addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn All types of work Protective gloves Safety working clothing Electrical related work Gloves to provide protection for electricians and from heat Work done at heights 50 cm or more Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap B Warning indications on the Air to Air Heat Exchanger Warning indication Description ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing Moving parts Do not operate unit with inspection cover removed Stop the unit before the servicing WARNING Moving parts Do not operate unit with inspection cover removed Stop the unit before the servicing
137. hocks may result Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake Only a qualified installer 1 or qualified service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or to remove the electrical control cover or inspection cover of the Air to Air Heat Exchanger to undertake work Wear protective gloves and safety work clothing during installation servicing and removal When working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work When cleaning the filter or heat exchange element of the Air to Air Heat Exchanger set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work When working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below The Air to Air Heat Exchanger must be transported in stable condition In case an accident such as dropping of the unit occurs while transporting the Air to Air Heat Exchanger contact the dealer Do not move or repair any unit by yourself There is
138. hour ventilation is stopped intermittently so do not connect an auxiliary fan Contactis off during delayed operation when switching the damper Heat exchange mode Bypass mode regardless of the selected value E Abnormal signal bypass mode signal output setting Terminals 3 to 5 for external output can be used to detect an abnormal signal bypass mode signal output Output signal to be detected can be selected Adjust this setting for the Air to Air Heat Exchanger to which an external output is connected When 0000 is selected contact is on If there is any error on the connected Air to Air Heat Exchanger Select EE in step 3 on page 131 Select a value from the table on the below in step 4 on page 131 Code SET DATA 0000 0001 EE Changing the abnormal signal buta signal is ON when the bypass mode signal bypass mode signal output is detected Factory default 0000 Contact is on when an abnormal signal output is detected 0001 Contact is on when the bypass mode signal output is detected Contact is on during nighttime heat purge operation Contact is off when the nighttime heat purge operation is on standby paused before the monitoring operation of the nighttime heat purge operation starts Even when amp is displayed on the remote controller contact is off during the Heat exchange mode 138 Remote controller switch monitoring function This function
139. imum 220 VAC 100 mA 5 VDC 100 mA It is possible to monitor an abnormal signal or the operation signal of bypass mode from the Air to Air Heat Exchanger Detection of an abnormal signal is possible as factory default Tochange settings so that the operation signal of bypass mode can be detected refer to Abnormal signal bypass mode signal output setting on page 138 130 1 1 Advanced control REQUIREMENT When the unit is used for the first time it takes a while for the remote controller to recognize operation input after the power is turned on This is not a malfunction For details on the auto address setting of air conditioners when operating together with a SMMS series air conditioner adjust the auto address setting on the circuit board of the outdoor interface refer to the Installation Manual of the SMMS series air conditioner For details on the auto address setting of air conditioners when operating together with a DI SDI series air conditioner the action is performed when the power is turned on refer to the Installation Manual of the DI SDI series air conditioner e Turn onthe Air to Air Heat Exchanger first Refer to the Installation Manual of the air conditioner about its power supply When shipped from the factory all the settings are set to Factory default Change the settings of the Air to Air Heat Exchanger if necessary Change settings using the main remote controller wired rem
140. ions The unit starts running without any operation of the remote controller circuit breaker Has the unit just recovered from a power failure or have you just turned on the The settings concerning recovering from power failure or start stop by power on off are set to CODE No 28 9D ON Consult your dealer for details 9 1 2 How to diagnose failure Situation Where to check Cause Remedy Displayed on the remote controller Depends on the check code Displayed on the central controller Depends on the check code Lead wire The circuit is open Replace the motor with a new one Connection A connection is loose Connect firmly Electric board Motor connector The motor Motor The motor bearing is locked Replace the motor with a new one does not run The motor coil or temperature fuse is broken Fan rotation The fan is not rotating Remove any obstacles Capacitor The capacitor is not working properly Replace the capacitor with a new one Motor Electromagnetic sound the motor is buzzing Replace the motor with a new one The bearing is in poor condition Fan The fan has not been installed properly Install the fan securely An dbpotmial A foreign object has been taken in Remove the foreign object sound is heard The fan has been deformed Replace the fan with a new one from the Screws A screw s
141. ions of the remote controller Factory default Follower Changing the indoor unit address No 1 to 4 of SW702 No 1 and 2 of SW703 Settings for changing the indoor unit address are necessary Do not duplicate the value 1 to 64 The header unit does not need to be selected as 1 Factory default 1 Changing the terminator No 1 of SW301 The settings do not need to be adjusted 124 F Central control system When controlling the air conditioner and Air to Air Heat Exchanger together For the settings of the central control address refer to the Installation Manual of the central control device Do not perform the central control wiring with the Air to Air Heat Exchanger Power supply Power supply EN 4 pars Outdoor unit H A Central controller L1 L2 L3 N CD uiTUzIUsjUAUs Us centra control aki i wiring TOM nod Air to Air Heat Air to Air Heat Indoor unit Indoor unit jd Exchanger Exchanger T 7 4 0 ro U1 U2 A B u1 u2 A B TR 04 Ts CTS lodi O MEER dy VN VN YN YN i 1 1 1 Y I I 1 I Power EB Power Power i Power supply er supply supply i supply I I o DX ey
142. irmation and check When an error occurred in the Air to Air Heat Exchanger the check code and the unit No of Air to Air Heat Exchanger appear on the display part of the remote controller The check code is only displayed during the operation If the display disappears operate the Air to Air Heat Exchanger according to the following Confirmation of error history for confirmation Unit No of Air to Air Heat Exchanger is 31 OO Unit No of the Air to Air Heat Exchanger with a problem Check code Bi Confirmation of error history When an error occurred on the Air to Air Heat Exchanger the error history can be confirmed with the following procedure The error history is stored in memory up to 4 troubles The error can be confirmed from both operating status and stop status 1 When pushing C and buttons at the same time for 4 seconds or more the following display appears If Service check 42 is displayed the mode enters in the trouble history mode How to read the code display Seven segment display ruri Che Actual character emu Cs mm m 01 Order of error history is displayed in CODE No window Check code is displayed in CHECK window Air to Air Heat Exchanger address in which an error occurred is displayed in Unit No Unit No of Air to Air Heat Exchanger is 31 OO 2 Every pushing of but
143. is are loose not tightened Tighten the screws firmly inside completely Filter The filter is clogged Clean the filter Heat exchange The heat exchange element is clogged Clean the heat exchange element element The motoris Capacitor The capacitor is not working properly Replace the capacitor with a new not running one fast enough Motor The motor bearing is not running smoothly Replace the motor with a new one Lead wire A connection is loose Connect firmly Damper motor The coil of the damper motor is broken Replace the damper motor with a The damper new one does not open or close Damper Something is caught on the sliding part Remove whatever is caught Connector A connection is loose Replace the assembled connector assembly with a new one 43 9 2 How to Check for Errors The remote controller local remote controller or central control is equipped with an LCD that displays the operation status If an error has occurred see the following table to check the error of the Air to Air Heat Exchanger unit using the failure diagnosis function The following tables show lists of the check codes indicated by each device See the following tables for how to check depending on the location For checking using the indoor remote controller or TCC LINK central controller See Local remote controller amp TCC LINK central controller
144. is available to call the service monitor mode from the remote controller during a test run to acquire temperatures of sensors of indoor unit Air to Air Heat Exchanger 1 Push amp and buttons simultaneously for at least 4 seconds to call the service monitor mode 2 Pushing TEMP v5 a gt buttons select the number of sensor CODE No to be monitored See the following table 3 Pushing left side of the button select an indoor 2 unit to be monitored The unit number of the Air to Air Heat Exchanger is 31 OO 4 Push 2 button to return to the normal display Indoor unit data Air to Air Heat Exchanger 4 CODE No Data name 02 Indoor unit Return air temperature TRA 1 3 F0 Microcomputer cumulative energized hours x 100h F2 Supply air fan cumulative energized hours x 100h F3 Filter cumulative hours x1 h FA Indoor unit outdoor air temperature TOA 139 12 Test run E Before performing a test run Before turning on the power supply carry out the following procedure Using 500 V megger check that resistance of 1 MO or more exists between the terminal block of the power supply and the earth earthing If resistance of less than 1 MO is detected do not run the unit Whenatestrun is performed together with air conditioners follow the Installation Manuals of the air conditioners E Performing a test run of the Air to Air Heat Exchanger using the remote
145. is displayed when the power is turned on for the first time after installation Indoor Indoor capacity Stop of Capacity of indoor unit Set indoor capacity DN 11 09 not set corresponding has not been set unit only 47 Check code Location Check code Error detection Remote d System status conditions Items to check locations controller Indoor Duplicate central Stop of Duplicate central control Check central control addresses 120 control address corresponding address Check network adapter PC board unit only applicable to AI NET Indoor Other indoor Stop of There is error in another Check PC boards of indoor units P31 error group corresponding indoor unit in the group follower unit unit only Detection of E07 L07 error L03 L08 Indoor in location of detection refers to Air to Air Heat Exchanger and air conditioner indoor units Errors detected by TCC LINK central control device Check code Location Remote of elc Uode System status SCHON Items to check locations controller detection TCC LINK TCC Link central Continued Central device is unable Check for defects in the central control control device operation to transmit a signal device C05 transmission Check for defects in central control error communication line Check termination resistance set
146. is used set only one unit as the header unit When the system equipped with the Air to Air Heat Exchanger and air conditioners is used be sure to set all the Air to Air Heat Exchangers as follower units Factory default Follower Changing the central control address Fixed ON Auto OFF The settings do not need to be adjusted Leave the value OFF 9 Address switch number Address switch number 9 Address switch number 9 Address switch number swro 5 703 5 swro swrs3 5 sw7oz swrs3 swro swros 1 2 3 4 1 2 1 2 3 4 1 2 1 2 3 4 1 2 1 2 3 4 1 2 1 17 33 e 49 2 18 e 34 e 50 e e 19 35 e 51 e e 2010 3060 e 52 0 5 21 37 e 9 53 e 220 3810 i 91541 7
147. it Quantity VN M150HE 1 7 2 VN M250HE 1 7 2 VN M350HE 1 7 2 VN M500HE 2 9 2 VN M650HE 2 9 2 VN M800HE 3 7 2 VN M1000HE 3 7 2 VN M1500HE 3 7 4 VN M2000HE 3 7 4 3 Remove the filters Remove the filters from the frame of the heat exchange element Heat exchange elements Filters 4 Clean the filters Clean the filters by dusting them or using a vacuum cleaner If the filters are badly clogged wash them by pressing them down in lukewarm water with a neutral dish washing liquid Vacuum cleaner with a brush Filters 142 NOTE dry the filter with heat from a flame otherwise deformation or deterioration of the filter may result e Light up hours of the f indicator is set to 2500 H If the filter is badly clogged change the setting value For the details refer to the Changing the time before the Filter Sign lights up on page 134 Do not soak the filter in water hotter than 60 otherwise deformation or deterioration of the filter may result E Maintenance of the heat exchange elements Clean the heat exchange elements once or twice in 2 years 1 Clean the heat exchange elements Remove the dust on the surface of the heat exchange element using a vacuum cleaner Heat exchange element Vacuum cleaner with a brush Corner Do not wash in water NOTE Use a vacuum cleaner with a brush and stroke the brush gently on the heat exchange element Do not p
148. it or central control system is used To prevent noise use a 2 core shielded wire Remote controller wiring Remote controller wiring remote controller inter unit wiring 2 core non polarity 0 5 mm to 2 0 mm Total wire length of remote controller wiring and remote controller inter unit wiring L L1 L2 Ln Up to 500 mm Total wire length of remote controller inter unit wiring L1 L2 Ln Up to 200 mm On the outside of the unit do not allow the wire for the remote controller communication wire and the wire for AC220 240 V to come into contact or put them together in one electrical conduit otherwise the control system may have trouble due to noise Indoor unit Indoor unit Air to Air Heat Exchanger L W N N N Air to Air Heat Exchanger Remote controller wiring L2 Ln Remote i Remote controller inter unit wiring Up to 8 units The total length of the remote controller inter unit wiring is the same for both between the indoor units and between the Air to Air Heat Exchanger 110 E Connection diagram V VN M150 to 1000HE Gray Light blue External output 5 External input sold 7 7 220 240V under 1A each separately No voltage a contact inout 1 T No voltage a contact input Connector Connector 8 2 Operation output i a White Black ICT Common emote controller operation 278
149. ith the 2002 96 EC Directive WEEE Waste Electrical and Electronic Equipment 100 2 Accessory parts Name Quantity Shape Usage Installation manual 1 Hand it to the customers CD ROM Owner s manual 1 HE For other languages that do not appear in this manual please refer and Installation manual to the enclosed CD ROM Owner s manual 1 Hand it to the customers Adapter 4 Connection parts for the duct Screw 16 24 ad 3 Screws for attaching the adapter 3 Cautions for installation Make the inspection opening the specific place on the ceiling so the constant cleaning or the equipment checking of filter and heat exchange element can be performed The inspection opening shown below is necessary to clean the heat exchange element and the filter as required If not cleaned they are likely to get clogged resulting in degradation of performance Use forklift to carry in the Air to Air Heat Exchanger units and use winch or hoist at installation of them V VN M150 to 1000HE Exhaust air air EA 4m Outdoor side OA E Outdoor E gt fT 7 ts i 600 Ty For the inspection of Filters Heat Exchange Elements Fans Motors and Damper A 7 P 7 RA Return air eee Indoor side H E Inspection Opening 450 x 450 or more Unit mm Weight kg
150. ition that under go influence by the echoing of the room and so that become bigger than the display numerical value The power consumption the current and the exchange efficiency are values at the time of the mentioned air volume Sound pressure level shall be measured 1 5m below the centre of the unit The temperature exchange efficiency averages that of when cooling and heating 12 ModelList Unit mm Damper motor Heat exchange element 4 Damper RA EA Return air Exhaust air Outdoor Indoor side 1189 246 1 SA Supply air OA Outdoor air 25 Adapter 2 Outdoor side Motor Supply air Motor Exhaust air Electrical control base 2 Electrical control base Hanging bracket 4 4 13 x30 Oval hole 1189 Fixed part of inspection cover Adapter 4 Indoor side Electrical control cover 730 M Filter x 2 Inspection cover Electrical control cover 2 Fixing lever Applicable duct nominal diameter indoor side 0250 outdoor side 283 x 730 Item Count Material Remarks Item Count Material Remarks Adapter Indoor side 4 Galvanized steel sheet Heat exchange 4 Fire resistant paper Air to air heat Adapter Outdoor side 2 Galvanized steel sheet element Resin exchanger Electrical control cover 1 Galvanized steel sheet Collecting Electrical control cover
151. l block 3 4 25 NO Item Specification outline Remarks 12 Linked operation with external devices Connect the Remote ON OFF adapter NRB 1HE sold separately to the connectors CN706 2P and CN705 5P on the control circuit board of the Air to Air Heat Exchanger 1 Output signals of external devices DC12V DC24V Connect to CN706 2P No voltage a contact Connect to CN705 5P and use 1 Green 5 Black 2 Pulse Static switch of output signals of external devices Static OFF by default No 1 of the switch SW701 on the board Pulse ON 3 Linked operation with external devices You can set the Air to Air Heat Exchanger operations for ON OFF signals of external devices by CODE No DN 4E 0000 The Air to Air Heat Exchanger starts stops together with the starting stopping of an external device The latter operation of the remote controller or the switch of the external device overrides the former 0001 The Air to Air Heat Exchanger starts together with the starting of an external device Use the remote controller to stop operation 0002 The Air to Air Heat Exchanger stops together with the stopping of an external device Use the remote controller to start operation Operation signals DN 4E External signals Static External signals Pulse External signal zx pl External signa JUUL ON OFF linked Remote control
152. l device emote apter F R ON OFF Adapter NRB 1HE oca rocure i 7 1 4 No voltage i Green 1 H i i Yellow 2 SW3 Red 3 Lu White 4 i Lp Bypass mode is applied when SW3 Black 5 15 P Heat exchange gt om Control circuit board of the ventilation when it is open gt Air to Air Heat Exchanger As these terminals are not used insulate them SW3 Bypass mode ventilation ON Heat exchanging ventilation OFF For NRC O1HE remote controller for the Air to Air Heat Exchanger the message on the display is changed Ifa command is sentto one of the units in the group all the Air to Air Heat Exchangers in the group operate together The latter operation of the remote controller or the external device overrides the former NOTE The operation mode will be automatically changed to Heat exchange mode when outdoor air temperature is below 15 during Bypass mode The display remains Bypass mode 4 Connecting an auxiliary fan or monitoring operation output External Output Power supply So Auxiliary 11 1 4 0 fan IA To power Relay contact I o supply o o 4 IL Contact Contact 3 External device 3 4 External device 4 5
153. lation is stopped intermittently so do not connect an auxiliary fan 0004 Contact is on only when EA fan Exhausting fan is running Contact is off when 24 hour ventilation is stopped intermittently so do not connect an auxiliary fan CODE No DN ED External output terminal block 1 2 11 Electric damper output 1 Output setting for electric damper The setting can be switched between Normal and Complaint Response Setting in the DN setting The output setting can be changed with CODE No DN BC of the DN setting 0000 Normal factory default 0001 24 hour ventilation nighttime heat purge operation supported 2 Operation ON OFF condition in normal setting ON during intermittent stop in 24 hour ventilation mode ON in cold mode control Zones B and C ON if the fan is stopped when switching the damper Heat exchange mode Bypass mode ON from the start of monitoring operation of nighttime heat purge to the end of nighttime heat purge OFF during delayed operation OFF during the stop of normal operation including 24 hour stop 3 Operation output ON OFF condition when support of 24 hour ventilation and nighttime heat purge operation is set The settings are the same as those for normal settings except the following OFF during intermittent stop in 24 hour ventilation mode OFF during temporary stop in nighttime heat purge mode CODE No DN 5C External output termina
154. le below Agent Qualifications and knowledge which the agent must have Qualified installer The qualified installer is a person who installs maintains relocates and removes the Air to Air Heat Exchanger made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus
155. linked by a signal from an external device or remotely controlled on and off page 126 by using Remote ON OFF Adapter NRB 1HE sold separately Setting of the imbalanced ventilation Fan speed SA EA imbalanced operation of the Air to Air Heat Exchanger is possible Use the A button of the remote controller Adjust this setting for all the Air to Air Heat Exchangers when group operation is applied Though RBC AMT32E RBC AMS41E cannot be used this setting can still be changed For details refer to Ventilation Fan speed setting on page 137 Select 48 in step 3 on page 131 Select 0001 SA High EA Low active or 0002 SA Low EA High active in step 4 on page 132 Code SET DATA 0000 0001 0002 48 Imbalanced ventilation Fan Invalid SA High EA Low SA Low EA High Speed Factory default active active E Setting of 24 hour ventilation 24 hour ventilation intermittent operation of Low mode is possible Adjust this setting for all the Air to Air Heat Exchangers in the group The air volume of ventilation is half as much as that of Low mode Ventilated at 60 minute intervals When 24 hour ventilation is in operation the 24 hour ventilation indicator is not displayed on RBC AMT32E RBC AMSAT1E Select 49 in step 3 on page 131 Select 0001 in step 4 on page 132 Code SET DATA 0000 0001 Das Invalid 49 24 hour ventilation Facto
156. llowing the information from the return air and outdoor air temperature sensors in the unit 2 For an Air to Air Heat Exchanger system linked with air conditioners The heat exchange mode and the bypass mode are automatically switched between depending on the operation status of the air conditioner cooling heating dry fan or temperature setting and the information from the return air and outdoor air temperature sensors in the unit N CAUTION If the outdoor air temperature becomes about to 15 or less in Automatic mode or Bypass mode the system will automatically start to run in Heat exchange mode regardless of the mode setting to prevent condensation in the Air to Air Heat Exchanger The indication of the ventilation mode setting does not change 2 Specifications Concealed microcomputer control type Model No Item VN M1500HE VN M2000HE Fan Speed Type Concealed type Power Supply V Single phase 220 240V 50Hz 220V 60Hz 5042 751 786 1084 1154 Extra high 60Hz 928 1294 Heat 50Hz 708 784 1032 1080 6092 830 1220 Tow 50Hz 570 607 702 742 Boier 60Hz 660 818 consumption W Extra high 50Hz 751 786 1084 1154 9 60Hz 928 1294 Bypass High 50Hz 708 784 1032 1080 9 60Hz 830 1220 50
157. ly However setting modifications are required for separate control Contact your dealer for more information The remote controller for the Air to Air Heat Exchanger NRC 01HE can be used to control the Ventilation fan speed and ventilation mode of the Air to Air Heat Exchanger The remote controller for air conditioner RBC AMT32E AMS41E cannot be used to control the Ventilation fan speed or ventilation mode of the Air to Air Heat Exchanger For operation details using the remote controller for the Air to Air Heat Exchanger NRC 01HE see page 83 6 How to use If two remote controllers are used the latter operation overrides the former and their indications always reflect the result of the latter operation 75 System example Operation Cautions C Central control system When controlling the air conditioner group and the Airto Air Heat Exchanger group separately Outdoo Central controller for 64 unit L 128 units groups TCB SC642TLE2 cx BMS CM1280TLE Remote controller for air Remote controller for the Air conditioner to Air Heat Exchanger RBC AMT32E AMS41E NRC 01HE Remote controller for air conditioner RBC AMS41E The central controller can be used to start stop the whole System and separately start stop groups of air conditioners and the Air to Air Heat Exchangers In this system the air conditioners and the Air to Air Heat Exchan
158. manual Failure to use specified parts may result in electrical shock smoke and or fire Confirm whether there is a risk of the Air to Air Heat Exchanger falling down during maintenance or repairing work Inspect the Air to Air Heat Exchanger unit for any falling hazard of the unit before maintenance or repair Before you open the Supply Exhaust air grill set the circuit breaker to the OFF position Otherwise your hand may be caught in the rotating parts inside and an injury may result Check earth wires After completing the repair or relocation work check that the earth wires are connected properly Be sure to connect earth wire Grounding work Incomplete earthing causes an electric shock Do not connect earth wires to gas pipes water pipes and lightning rods or earth wires for telephone wires Prohibition of modification Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Use specified parts When any of the electrical parts are to be replaced ensure that the replacement parts satisfy the specifications given in the Service Manual or use the parts contained on the parts list in the Service Manual Use of any parts which do not satisfy the required specifications may give rise to electric shocks smoking and or a fire Do not bring a child close to the equipment If in the course of carrying out repairs it b
159. may cause the plastic surface to crack or deform 87 9 Specifications Concealed microcomputer control type Model No vN vN vN vN vN vN vv vN vN Item M150 M250 M350 M500 meso m1000 M1500 M2000 Fan Speed HE HE HE HE HE HE HE HE HE Power Supply V Single phase 220 240 V 50 Hz 220 V 60 Hz 50Hz 68 78 123 138 165 182 214 238 262 290 360 383 532 569 751 786 10 Extra high 76 131 209 260 307 446 622 928 1294 Heat 1032 Exchange pign 50Hz 59 67 99 111 135 145 176 192 240 258 339 353 494 538 708 784 1092 ode 60Hz 65 105 162 206 283 408 589 830 1220 50Hz 42 47 52 59 82 88 128 142 178 191 286 300 353 370 570 607 702 742 OW Power _ 60Hz 45 54 94 144 206 333 411 660 818 consumption w 50Hz 68 78 123 138 165 182 214 238 262 290 360 383 532 569 751 786 1084 Extra high 76 131 209 260 307 446 622 928 1294 Bypass 50Hz 59 67 99 111 135 145 176 192 240 258 339 353 494 538 708 784 1992 Mode High 65 105 162 206 283 408 589 830 1220 6 50Hz 42 47 52 59 82 88 128 142 178 191 286 300 353 370 570 607 702 742 OW 60Hz 45 54 94 144 206 333 411 660 818 0 31 0 58 0 76 0 99 125 1 67 247 3 50 5 00 Extra high 0
160. n stable ventilation is possible even in an air tight room due to simultaneous air intake and expulsion Sound insulation Air trunks and heat exchange elements provide sound insulation They reduce the incoming of outdoor noise and the outward flow of sounds indoor and help keep the office or shop and their surroundings quiet T3 B About ventilation modes The unit has three ventilation modes Heat exchange mode Exchanging heat between the outdoor and indoor air and making the temperature and humidity of the outdoor air closer to those of the indoor air before supplying it Bypass mode Outdoor air is taken into a room as it is This mode is mainly used in spring and summer Automatic mode For an Air to Air Heat Exchanger system The heat exchange mode and the bypass mode are automatically switched between following the information from the indoor and outdoor temperature sensors in the unit For an Air to Air Heat Exchanger system linked with air conditioners The heat exchange mode and the bypass mode are automatically switched between depending on the operation status of the air conditioner cooling heating dry fan or temperature setting and the information from the indoor and outdoor temperature sensors in the unit CAUTION If the outdoor temperature becomes about to 15 or less in Automatic mode or Bypass mode the system will automatically start to run in Heat exchange mode regardless
161. n or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the Air to Air Heat Exchangers made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the Air to Air Heat Exchangers made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work 68 B Warning indications on the Air to Air Heat Exchanger Warning indication Description ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before
162. n undefined zone when operation starts the system is operated in Heat exchange mode If the state moves to this zone during operation the previous state is retained TOA sensor TRA sensor CODE No DN EA EC 16 NO Item Specification outline Remarks Ventilation mode control continued Automatic ventilation mode control in the Air to Air Heat Exchanger system 32 4 Z 28 Heat Exchange Cooling zone y 24 Fan zone ESLA Heat Exchange LL X 20 8 Undefined 3 16 Heating zone zone lt 12 Undefined Heat Exchange zone 4 8 12 16 20 RA Return Air C 24 28 32 Ventilation mode Automati Air conditioner operation DN Valid when stopped 0001 Other than Fan UM Y RA OA detection 5 18 and RA 10 C 14 5 Cs OA s 220 and OAZ RA 3 C 26 C and OAz 22 C RAZOA Heat Exchange 17 NO Item Specification outline Remarks Ventilation mode control continued 2 Air to Air Heat Exchanger system linked with air conditioners 1 Automatic ventilation mode control in the air conditioning linkage Determine the mode from the operation mode of the air conditioner Cooling zone The air conditioner operation mode is Automatic cooling Cooling or Drying mode Heating zone The air conditioner operation mode
163. nd Air to Air Heat Exchanger is used separately together as Air Heat Multiple 1 Multiple 1 Multiple SPor ton aeter with the air No Yes Remote controller interunit Necessary Not necessary Necessary wiring Central control wiring Necessary Header unit only Not necessary Circuit board of the Air to Air Heat Exchanger 1 Line system address Fixed The line system address is fixed as 31 for the Air to Air Heat Exchanger 2 Changing the indoor unit address No 1 to 4 of SW702 No 1 and 2 of SW703 Necessary No duplication Factory default 1 Not necessary Factory default 1 Necessary No duplication Factory default 1 Not necessary Factory default 1 Necessary No duplication Factory default 1 3 Changing the group address No 4 of SW703 Necessary Header ON 1unit Follower OFF the other units Settings of the Necessary Header Individual ON Necessary Header ON 1unit Follower OFF the other units Settings of the Not necessary Follower OFF all units Settings of the follower unit with the smallest indoor unit address number reflect the indication of the remote controller header unit header unit reflect the reflect the indications of indications of the remote the remote controller controller 4 Fix Automatic changeover of the Not necessary central control Auto OFF address Refer t
164. nector TOA TOA sensor TB4 Terminal block F01 Fuse RY701 RY702 Relay for air supplying motor SW301 SW701 DIP switch SW702 SW703 FM1 FM3 Air supplying motor RY704 RY705 Relay for air exhausting motor 7 43F11 43F12 Relay for air supplying motor FM2 FM4 Air exhausting motor TB1 Terminal block power supply 7 Im 43221 43F22 Relay for air exhausting motor DAM1 DAM2 Damper motor TB2 Terminal block communication TRA TRA sensor TB3 Terminal block external output 1 The dotted line represents a wire locally procured and the dashed line represents an option sold separately 2 represents a terminal block o represents a connection terminal and p 9 represents a connector on 4 the printed circuit board 3 represents a protective ground represents a printed circuit board 5 Using a no voltage a contact input of the external input option the following operations are available Between 1 and 2 Selecting the remote controller operation Invalid Valid Between 1 and 3 Adjusting the ventilation fan speed Low High Between 1 and 4 Selecting the ventilation mode Bypass mode Heat exchange mode Between 1 and 5 Operation ON OFF Use a micro current contact DC12 V 1 mA In addition ON OFF operation is possible when using a voltage of DC12 V or 24 V 6 Blue wire High is connected as factory default To switch to Extra High connect black wire s connector in
165. nery Directive where appropriate NOTE This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent 1 Features B Main features Power saving ventilation The cost of cooling and heating is reduced thanks to the unit efficiently retrieving thermal energy outdoor air load which has been lost during ordinary ventilation Space saving Significant reduction of outdoor air load and the ability to retrieve thermal energy enable the production of smaller air conditioning devices Humidity control When cooling highly humid outdoor air is conditioned to near the humidity of the dehumidified cooled indoor air before being supplied When heating moisture from the return air is transferred to the dry outdoor air before the outdoor air is supplied Comfortable ventilation Ventilation without big changes in temperature is realized In addition stable ventilation is possible even in an air tight room due to simultaneous air intake and expulsion Sound insulation Air trunks and heat exchange elements provide sound insulation They reduce the incoming of outdoor noise and the outward flow of sounds indoor and help keep the office or shop and their surroundings quiet Easy installation The linear air supplying exhausting method enables simple design and installation Inverted installation is possible and only one inspection slot is requi
166. ng this setting is purge 0001 0048 Start after Setting value x 1 heat purge necessary for all the Air hour s OFF to Air Heat Exchangers 4 Setting for the time before the nighttime in the group System heat purge operation starts equipped with the Air to Air Heat Exchanger and air conditioners Setting of the 0000 Exhausting fan run 0000 Exhausting Adjusting this setting is exhausting fan 0001 Exhausting fan stop fan run necessary for all the Air 4D i i operation below The supplying fan stops when the to Air Heat Exchangers 15 C OA temperature is below 15 C OA in the group Setting of the linked 0000 ON OFF linked 0000 ON OFF Adjusting this setting is operation with 0001 ON linked linked necessary for a Air to external devices 0002 OFF linked Air Heat Exchanger to 4E Specifies whether the ON OFF du AR operation of the Air to Air Heat e Cono Exchanger is linked with the external sold separately is device operation connected Changing the 0001 Bypass mode 0003 Automatic 1 ventilation mode 0002 Heat Exchange mode mode EA 0003 Automatic mode Compatible with systems without a remote controller and RBC AMT32E Changing the 0002 High 0002 High 1 ventilation Fan 0003 Low ES speed 0004 Imbalanced 133 purge operation Code Description SET DATA and description Factory default Note Changing the 0000 ON during normal operation 0000 ON during Adjusting this setting is opera
167. not place any combustion appliance in a place where it is directly exposed to the wind of Air to Air Heat Exchanger otherwise it may cause imperfect combustion Relocation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the Air to Air Heat Exchanger It is dangerous for the Air to Air Heat Exchanger to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result 1 Refer to the Definition of Qualified Installer or Qualified Service Person Specifications Model Sound power level dBA Weight kg VN M1500HE M2000HE 143 Under 70 dBA Declaration of Incorporation of Partly Completed Machinery Manufacturer Toshiba Carrier Corporation 336 Tadehara Fuji shi Shizuoka ken 416 8521 JAPAN Representative Toshiba Carrier UK Ltd TCF holder Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Hereby declares that the machinery described below Generic Denomination Air to Air Heat Exchanger Model type VN M1500HE VN M2000HE Commercial name TOSHIBA Air to Air Heat Exchanger Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Must not be put into service until the final machinery into which it is to be incorporated has been declared in conformity with the provisions of Machi
168. ntilation Fan speed can be changed when the remote controller for air conditioners RBC AMT32E RBC AMS41E or the system without the remote controller is used Adjusting this setting is necessary for the header unit when an Air to Air Heat Exchanger system is used RBC AMT32E can not be used and for the Air to Air Heat Exchanger with the smallest address number when an Air to Air Heat Exchanger system linked with air conditioners is used When the remote controller NRC 01HE is installed this setting is invalid The remote controller can be used for operation Select EB in step 3 on page 131 Select a value from the table on the below in step 4 on page 131 Code SET DATA 0002 0003 0004 Changing the ventilation High Es amount Factory default Low Imbalanced When 0004 is selected adjust setting of the imbalanced ventilation Fan speed Code 48 137 Setting for changing the operation output Terminals 1 and 2 for external devices can be used to connect an auxiliary fan or to use the operation output for operating external devices connected to the terminal It can be specified when the operation output is used Apply this setting for the Air to Air Heat Exchanger to which an external device is connected Select ED in step 3 Select a value from the table below in step 4 Code SET DATA 0000 0001 0002 0003 0004 ON during ON during normal ON during
169. ntilation fan speed that was set before stop 4 In the Air to Air Heat Exchanger system Air to Air Heat Exchangers stop if the ON OFF button is pressed when they are running and the system enters 24 hour ventilation mode 5 In the Air to Air Heat Exchanger system linked with air conditioners Air to Air Heat Exchangers and air conditioners stop if the ON OFF button is pressed when they are running and the system enters 24 hour ventilation mode 6 In the Air to Air Heat Exchanger system linked with air conditioners Air to Air Heat Exchangers stop if the VENT button is pressed when only the Air to Air Heat Exchangers are running or when both the Air to Air Heat Exchangers and air conditioners are running and the system enters 24 hour ventilation mode The setting of the single operation of the Air to Air Heat Exchanger needs to be changed with CODE No DN 31 of the DN setting Setting for the header air conditioner 0000 Invalid factory default 0001 Valid 7 Operation during 24 hour ventilation During 24 hour ventilation the ventilation fan speed and the ventilation mode cannot be changed and they are not displayed 8 Stop of 24 hour ventilation From the NRC 01HE 24 hour ventilation can be stopped temporarily by holding the VENT FAN button down for four seconds when 24 hour ventilation is in operation The 24 display goes out CODE No DN 47 31 49 4A 248 lights up
170. nutes Exhausting fan runs continuously Heat Exchange Supplying fan stops and Exhausting fan stops OFF for 60 minutes and ON for 5 minutes Filter symbol display 1 The indoor header unit s cumulative hours of operation are counted and when they exceed the prescribed value a filter replacement signal is sent to the remote controller to display a filter symbol on the remote controller The setting of the prescribed number of hours can be changed with CODE No DN 01 of the DN setting 0000 None 0001 150 hours 0002 2 500 hours factory default 0003 5 000 hours 0004 10 000 hours 2 When a filter reset signal is received from the remote controller the timer measuring cumulative hours is cleared If the prescribed number of hours has been exceeded the measurement time is reset with the symbol on the remote controller display erased 1 In the Air to Air Heat Exchanger system linked with air conditioners the cumulative time of operation of the indoor header unit is the representative of the group n the Air to Air Heat Exchanger system linked with air conditioners the cumulative time of 24 hour ventilation operation is not counted n the Air to Air Heat Exchanger system linked with air conditioners the cumulative time of the nighttime heat purge operation is not counted 2 In the Air to Air Heat Exchanger system the cumulative operating time of the exhausting fan of the Air to Air Heat Exch
171. o 1 Pulse ON Level OFF Connectors for the external input Remote ON OFF adapter NRB 1HE sold separately CN705 5P No voltage a contact input Remote controller operation Invalid Valid fan speed Low High Ventilation mode Bypass Heatexchange Operation ON OFF CN706 2P Voltage of DC12 V or24 V ON OFF B Wire connection In a central control system connect the copper braid shield of central control wire 2 core shielded wire Communication wire Remote terminal block 4 g controller wire Wiring for the central control U3 U4 gt Wiring for the remote NM Central control controller A B Ah wire Power supply terminal Earth screw block R L S N Grommet External output terminal GE block 1 2 3 4 5 4 t wire o D Operation output Electrical control box D External damper output 3 4 7 Abnormal Bypass mode output 3 5 Power supply wire Central control wire Remote controller wire x ja 30 Earth wire 40 ey 50 10 15 0 2 ao 10 15 REQUIREMENT Pass the wires through the grommet of wiring connection holes of the Air to Air Heat Exchanger Keep a margin Approx 100 mm on a wire The low voltage circuit is provided for the remote controller Rotate the electrical control base to open Connect the power supply wire R L S N and the
172. o the Installation Manual of the central control device No 3 of SW703 5 Changing the Necessary Not necessary terminator 100 Q ON OFF No 1 of SW301 1 header unit only Adjust settings on the air conditioner Checking before turning on the power Complete the settings ofthe Air to Air Heat Exchanger and wiring Complete the settings of the Air to Air Heat Exchanger and wiring Refer to the Installation Manual of the air conditioner for the settings and wiring Turning on the power Turn on the breaker of all the Air to Air Heat Exchangers Turn on the Air to Air Heat Exchanger first Refer to the Installation Manual of the air conditioner for its power supply Central control address setting Refer to the Installation Manual of the central control device 119 B Changing the group address indoor unit address and central control address About the switches on the circuit board of the Air to Air Heat Exchanger Indoor unit address switch 6 ON OFF Changing the indoor unit address e ON OFF When there are multiple Air to Air Heat Exchangers do not duplicate the value between No 1 to No 4 of SW702 and between No 1 and No 2 of SW703 Factory default 1 SW702 ON ON 8 8 123 4 12 Changing the group address Header Individual ON Follower OFF When the system equipped with the Air to Air Heat Exchanger s only
173. of the electrical control cover is inappropriate the pin connection area is likely to cause a heat generation a fire and an electric shock due to dust or powder Do not use the unit at the other voltages than the rated one It could cause a fire or an electric shock Do not install the unit in locations with large amounts of oily smoke such as food preparation areas It could cause a fire Do not install the unit at the place of a high temperature or a flame It could cause a heat generation or a fire Do not install in locations with high humidity such as close to bathroom or other similar environment It could cause an electric shock or an electric leakage or other troubles Install an earth leakage breaker that is not tripped by shock waves If an earth leakage breaker is not installed an electric shock may be caused Do not install the unit and inside air intake in a place such as a machine factory chemical plant or research institute where acids alkaline organic solvents or coating materials are handled and toxic gases and or corrosive gases may be produced Otherwise gas poisoning may occur and or the inside of the unit may be eroded or deteriorated The deterioration and erosion may result in an fire After installation switch off the circuit breaker for safety if the unit will not be used for a long time Attach the parts such as the inspection cover securely B Disposal Dispose of Air to Air Heat Exchanger in accordance w
174. of the electrical control cover to repair electric parts wait for about five minutes after turning off the breaker Do not start repairing immediately Otherwise you may get electric shock by touching terminals of high voltage capacitors Natural discharge of the capacitor takes about five minutes Prohibition Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake Before operating the Air to Air Heat Exchanger after having completed the work check that the electrical control cover and inspection cover are closed and set the circuit breaker to the ON position You may receive an electric shock if the power is turned on without first conducting these checks Stay on protection If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the electrical control cover and inspection cover removed in order to find out exactly where the trouble lies wear insulated heat resistant gloves insulated boots and insulated work overalls and take care to avoid touching any live parts You may receive an electric shock if you fail to heed this warning Only qualified service person 1 is allowed to do this kind of work N WARNING General Before starting to repair the Air to Air Heat Exchanger read caref
175. oller during a test run to acquire temperatures of sensors of indoor unit Air to Air Heat Exchanger 1 Push and amp buttons simultaneously for at least 4 seconds to call the service monitor mode 2 Pushing TEMP C4 buttons select the number of sensor CODE No to be monitored See the following table CODE 3 Pushing gt left side of the button select an indoor 5 ON OFF unit to be monitored 2 The unit number of Air to Air Heat Exchanger is 31 OO FAN aic ME 0 C 5 4 Push button to return to the normal display Indoor unit data Air to Air Heat Exchanger CODE No Data name 02 Indoor unit Return air temperature TRA 1 3 FO Microcomputer cumulative energized hours x 100h F2 Supply air fan cumulative energized hours x 100h F3 Filter cumulative hours x1 h FA Indoor unit outdoor air temperature TOA 35 8 Air to Air Heat Exchanger Unit and Air Conditioning System Examples of connections available when installing an Air to Air Heat Exchanger unit VN M OO HE Classified by specifications Remote controller line m E Adapter omitted 1 Indoor unit compatible 2 Indoor unit not yet 3 New Air to Air Heat 4 Old Air to Air Heat TCC LINK line with Air to Air Heat compatible with Air to Exchanger unit Exchanger unit
176. on Use a hand track or forklift to carry the unit When carrying it by human power have four persons or more VN M150 to 1000HE eight persons or more VN M1500 and 2000HE otherwise you may strain your back Installation Use a winch or hoist to install Air to Air Heat Exchanger When the Air to Air Heat Exchanger is to be suspended the designated hanging bolts M10 to M12 and nuts M10 to M12 must be used Install the Air to Air Heat Exchanger at enough strong places to withstand the weight of the unit If the strength is not enough the unit may fall down resulting in injury Follow the instructions in the Installation Manual to install the Air to Air Heat Exchanger Failure to follow these instructions may cause the product to fall down or topple over or give rise to noise vibration water leakage etc 98 Electrical wiring Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the Air to Air Heat Exchanger Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks When repairing the electrical parts or undertaking other electrical jobs wear gloves to provide protection for electricians and from heat Failure to wear this protective gear may result in burn Use wiring that meets the specifications in the Installation Manual and the stipulations in the local
177. on wire locally procured 2 core wire H07 RN F 60245 IEC 66 1 0 mm to 2 5 mm Rated contact 3 to 5 Total value with abnormal signal output Maximum 240 VAC 1A 24 VDC 1A Minimum 220 VAC 100 mA 5 VDC 100 mA The electric damper electric shutter works during normal operation 24 hour ventilation mode and nighttime heat purge operation The electric damper electric shutter also works in the following circumstances While the operation is stopped intermittently in 24 hour ventilation mode While the operation is paused during nighttime heat purge operation While operating in cold mode Temperature is below 10 The electric damper electric shutter does not work in the following circumstances While the operation is stopped Before the monitoring operation of nighttime heat purge operation starts While in the delay mode 6 Monitoring an abnormal signal or the operation signal of bypass mode External Output 220 240V 50Hz 220V 60Hz Power supply tt fe COGS Abnormal signal or Contact operation signal of 222 normal ventilation Qo Terminal block for external output Connect to the terminal block for external output 3 and 5 in the electrical control box Connection wire locally procured 2 core wire H07 RN F or 60245 IEC 66 1 0 mm to 2 5 mm Rated contact 3 and 4 Total value with output of the electric damper Maximum 240 VAC 1A 24 VDC 1A Min
178. operation after several minutes Short circuit of CHK pin Fan motor H Ventilation mode Heat exchange mode Operation output Electric damper output OFF Communication All ignored P C board LED Lights For the detailed positions of CHK pin CN71 on P C board refer to the P C board MCC 1615 30 7 4 Specifications of Optional Connectors on the Air to Air Heat Exchanger Unit Board Function Connector Pin No Specification Note External 1 COM Input Remote controller Remote controller prohibition input ON Prohibited OFF No voltage 2 hibiticitiihOE All d contacta prohibition inpu owed 3 Ventilation fan speed Ventilation fan speed change input ON LOW OFF HIGH CN705 change input 4 Ventilation mode change Ventilation mode change input ON Bypass OFF Heat input Exchange 5 Start Stop input Start Stop input pulse static input changed by No 1 of DIP SW701 OFF Static default ON Pulse External 1 DC12V COM input DC12V 24V CN706 2 Start Stop input Start Stop input pulse static input changed by No 1 of DIP SW701 OFF Static default ON Pulse 31 7 5 Configuring the Function Settings of the Air to Air Heat Exchanger Unit When configuring the settings use the wired remote controller Procedure Stop running the unit before configuring the settings 1 Press and hold the buttons for 4 s
179. or 10 capacitor in the upper unit and that of Lead wire CONNECTOR 11 for the motor capacitor in the yellow lower box Upper unit Remove the two screws M4x10 that fix the 1 supply capacitor CAPACITOR and then remove the 1 Connector 10 capacitor Lead wire white 42 Lower unit exhaust Connector 11 Lead wire yellow Lower unit supply Connector 11 Lead wire white 64 Procedure Note Relay RELAY LY2F L 59 Remove the fasten terminals of CONNECTOR a b c d AC230V 10 14 7 59 Remove the two screws M3x6 that fix the relay RELAY LY2F L AC230V and then remove the Screws relay M3x6 2P Terminal TERMINA L 2P Terminal arrangement Internal connections Bottom view Relay terminal layout a b r 5 1 I 4 ca33 1 2 43 i 8 CONNECTOR 13 Yellow 7 CONNECTOR 13 Gray Relay 8 CONNECTOR 14 1 Red 5 CONNECTOR 14 1 Red 4312F CONNECTOR 10 Orange 3 CONNECTOR 11 Orange For supply 2 CONNECTOR 3 1 White 1 CONNECTOR 3 2 White motor 8 CONNECTOR 13 Blue 7 CONNECTOR 13 Gray Relay b 6 CONNECTOR 3 1 White 5 CONNECTOR 3 2 White 4311F 4 CONNECTOR 12 White 3 CONNECTOR 12 Gray 2 Empty 1 Empty 8 CONNECTOR 13 Pink 7 CONNECTOR 13 Light blue Relay
180. or bad connector error detected at disrupted contact E01 remote controller Check indoor power supply end Check for defects in the indoor PC board Check remote controller address settings when two remote controllers are in use Check remote controller board Remote Remote control Stop of Signal cannot be Check internal transmission circuit of E02 controller transmission corresponding transmitted from remote remote controller error unit only controller to indoor unit Replace remote controller as necessary Indoor Indoor remote Stop of There is no Check remote controller and network controller corresponding communication from the adapter wiring E03 communication unit only remote controller and error detected at communication adapter indoor end Indoor Duplicate indoor Stop of More than one indoor unit Check indoor address E08 VF address corresponding are assigned the same Check for any change made to remote unit only address controller connection group individual since indoor address setting Remote Duplicate master Stop of In two remote controller Check remote controller settings controller remote controller corresponding configuration both Check remote controller board unit only controllers are set up as E09 master Header indoor unit is shut down with alarm while follower indoor units continue operating Indoor Error in Stop of Periodic communication Check remote controller wiring comm
181. or the Air to Air Heat Exchanger which transfers the operation output EE Changing the abnormal signal Bypass mode signal output 0000 ON when an abnormal signal is detected 0001 ON when the Bypass mode signal is detected 0000 ON when an abnormal signal is detected Adjusting this setting is necessary for the Air to Air Heat Exchanger which transfers the operation output 1 Adjusting this setting is necessary for the header unit when using a system equipped with the Air to Air Heat Exchanger only and the Air to Air Heat Exchanger with the smallest indoor unit address number when using a system equipped with the Air to Air Heat Exchanger and air conditioners 34 Capacity of the Air to Air Heat Exchanger Code 10 Code 11 Setting Model Model name Setting data Type data abbreviation Air to Air Heat Exchanger x 0050 Ceiling embedded VN M HE series 0000 Invalid 0001 150m h type Factory default value of EEPROM installed on the service 0002 250m3 h type circuit board 0003 350m h type 0004 500m h type 0005 650m h type 0006 800m h type 0007 1000m h type 0008 1500m h type 0009 2000m h type Factory default value of EEPROM installed on the service circuit board Remote controller switch monitoring function This function is available to call the service monitor mode from the remote contr
182. ote controller The settings cannot be changed using the wireless remote controller the sub remote controller or a System without a remote controller system with only the central remote controller Therefore prepare the main remote controller and install it B Changing the advanced control settings Basic procedure for changing the settings Change settings while the power is turned off Stop operation N CAUTION Do not change any setting codes other than those in this manual otherwise the unit may not work or some problems may occur Changing the settings of the Air to Air Heat Exchanger For NRC 01HE For RBC AMT32E AMS41E settings can be changed using the same procedure as NRC 01HE Display position is different from that of NRC 01HE 131 CODENe Ui 5 ON OFF 1 6 5 2 1 Push button and temp button simultaneously for at least 4 seconds After a while the display flashes as shown in the figure Confirm that the CODE No is 01 fthe CODE No is not 01 push 5 button to erase the display content and repeat the procedure from the beginning No operation of the remote controller is accepted for a while after button is pushed Display content varies with the indoor unit model Every time the button is pressed the unit numbers of the indoor units or the Air to Air Heat Exchangers in the group are displayed
183. ow EA High active High may be Extra High 2 When a system without a remote controller or RBC AMT32E RBC AMS41E remote controller is used The ventilation mode can be changed with CODE No DN EB of the DN setting 19 NO Item Specification outline Remarks 24 hour ventilation control 1 24 hour ventilation operation and setting By operating the ON OFF and VENT buttons during operation of Air to Air Heat Exchangers they stop operation and the system moves to 24 hour ventilation low 60 minutes ON 60 minutes OFF The ventilation mode is fixed to Heat Exchange The setting of 24 hour ventilation Valid Invalid needs to be changed with CODE No 49 of the DN setting 0000 Invalid factory default 0001 Valid 2 Setting the on off ratio of 24 hour ventilation The on off ratio complaint response mode can be changed with CODE No DN 4A of the DN setting 0000 Normal the air volume of ventilation 1 2 fan is ON for 60 minutes and OFF for 60 minutes factory default 0001 0059 the air volume of ventilation Fan is ON for SET DATA of DN minutes and OFF for 60 DATA of DN minutes 3 Changing the ventilation fan speed of 24 hour ventilation The setting of the ventilation fan speed of the 24 hour ventilation can be changed with CODE No DN 47 of the DN setting 0000 Operate with ventilation fan speed fixed to Low factory default 0001 Operate with the ve
184. ption SET DATA and description Factory default Note Lighting up hours of 0000 None 0002 2500 H Adjusting this setting is the Filter Sign 0001 150 H necessary for the 01 0002 2500 H header unit 0003 5000 H 0004 10000 H Auto recovery from 0000 Invalid 0000 Invalid 1 28 a power failure 0001 Valid Resumes the status just before the power failure Single operation of 0000 Invalid 0000 Invalid Adjusting this setting is the fan 0001 Valid necessary for the 31 ON OFF operation for the Air to Air Heat header unit System Exchanger only equipped with the Air to Air Heat Exchanger and air conditioners Imbalanced Fan 0000 Normal 0000 Normal Adjusting this setting is 48 speed ventilation 0001 SA High gt EA Low active necessary for all the Air 0002 SA Low EA High active to Heat Exchangers High may be Extra High TOUP 24 hour ventilation 0001 Invalid 0001 Invalid Adjusting this setting is 49 0002 Valid necessary for all the Air to Air Heat Exchangers in the group Delayed operation 0000 Invalid 0000 Invalid Adjusting this setting is 0001 0006 Setting value x 10 minutes necessary for all the Air delay to Air Heat Exchangers 4B Delaying the Air to Air Heat Exchanger in the group System operation to reduce the air conditioning equipped with the Air to load when starting running the air Air Heat Exchanger conditioner and air conditioners Nighttime heat 0000 Invalid 0000 Nighttime Adjusti
185. r Heat Exchanger should be transported in stable condition If any part of the product broken contact your dealer Use a hand track or forklift to carry the unit When carrying it by human power have four persons or more VN M150 to 1000HE eight persons or more VN M1500 and 2000HE otherwise you may strain your back Installation Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the Air to Air Heat Exchanger Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks After the installation work has been completed have the installer explain about the circuit breaker positions In the event that trouble has occurred in the Air to Air Heat Exchanger set the circuit breaker to the OFF position and contact a service person Do not install the Air to Air Heat Exchanger in a location that may be subject to a risk of exposure to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Use the company specified products for the separately purchased parts Use of non specified products may result in fire electric shock water leakage or other trouble Have the installation performed by a professional Confirm that earthing is performed correctly Operation Before opening the electrical control cover or inspection cover of the
186. r also to its installation manual and owner s Manual System example Operation Cautions A Air to Air Heat Exchanger system Air to Air Heat Exchanger Remote controller for the Air to Air Heat Exchanger NRC 01HE Remote controller for air conditioner RBC AMS41E Using the remote controller for the Air to Air Heat Exchanger NRC 01HE you can start and stop the unit control the Ventilation fan speed and select the ventilation mode The remote controllers for the air conditioner RBC AMT32E are not compatible with the Air to Air Heat Exchanger system Only ON OFF operation is available for RBC AMSA1E For operation details using the remote controller for the Air to Air Heat Exchanger NRC 01HE see page 83 6 How to use If two remote controllers are used the latter operation overrides the former and their indications always reflect the result of the latter operation B Air to Air Heat Exchanger system linked with air conditioners Air conditioner A Remote controller for air conditioner RBC AMT32E AMS41E Remote controller for the Air to Air Heat Exchanger NRC 01HE The remote controller for the air conditioner or the Air to Air Heat Exchanger can be used to start stop the whole system The remote controller for the air conditioner or the Air to Air Heat Exchanger can be used to start stop the Air to Air Heat Exchanger separate
187. r to Air Heat Exchanger can be used to ON OFF the Air to Air Heat Exchanger separately Setting modifications are required for separate control Refer to 11 Advanced control on page 131 If two remote controllers are used the latter operation overrides the former and their indications always reflect the result of the latter operation In addition the indications of the Air to Air Heat Exchanger always reflect the setting of the unit with the smallest indoor unit address number 116 System example Operation D Central control system When controlling the Air to Air Heat Exchanger only Central controller for 64 128 units groups TCB SC642TLE2 BMS CM1280TLE U3 U4 U3 U4 Air fo Air AirtoAir Heat Exchanger Air to Air Heat Exchanger Heat Exchanger Remote controller for the Air to Air Heat Exchanger NRC 01HE Remote controller for air conditioner RBC AMS41E The central controller can be used to ON OFF the whole system and separately ON OFF groups of the Air to Air Heat Exchangers The central controller cannot be used to control the ventilation fan speed or ventilation mode of the Air to Air Heat Exchanger If the central controller and the remote controller for the Air to Air Heat Exchanger are used the latter operation overrides the former The remote controller for the Air to Air Heat Exchanger NRC 01HE can be used to control
188. red for two units A complete inspection is possible through a single inspection slot Other The filter has excellent dust filtering performance mass spectrometry 82 The air volume can be switched between Extra High and High The ventilation balance of air supplying and air exhausting can be changed The filter inspection display function calculates the total running time and prompts you through the remote controller to inspect the filter The cold mode function automatically makes the air supplying motor run intermittently when the outdoor air temperature is 10 C or lower The timer function allows you to set the unit to start stop operation at the specified time The separately sold central controller enables central control of 128 groups The separately sold wired remote controller enables group operation control of up to 8 units The unit can operate in cooperation with an air conditioner SMMS series DI SDI series B About ventilation modes The unit has three ventilation modes Heat exchange mode Exchanging heat between the outdoor air and return air and making the temperature and humidity of the outdoor air closer to those of the return air before supplying it Bypass mode Outdoor air is taken into a room as it is This mode is mainly used in spring and summer Automatic mode For an Air to Air Heat Exchanger system The heat exchange mode and the bypass mode are automatically switched between fo
189. relocated do not relocate it yourself but contact a qualified installer or a qualified service person Failure to relocate the Air to Air Heat Exchanger properly may result in electric shocks and or a fire 1 Refer to the Definition of Qualified Installer or Qualified Service Person N CAUTION To disconnect the appliance from the mains supply Means for disconnection having a contact separation in all poles at least 3 mm must be incorporated in the fixed wiring in accordance with the wiring rules The installation fuse all types can be used must be used for the power supply line of this Air to Air Heat Exchanger Cautions about installation confirm the following cautions Connect the Air to Air Heat Exchanger to an exclusive power supply of the rated voltage otherwise the unit may break down or cause fire Cautions about operation Do not use this Air to Air Heat Exchanger for special purpose such as preserving food precision instruments art objects breeding animals car vessel etc Do not touch any switches with wet finger otherwise you may get an electric shock If the Air to Air Heat Exchanger will not be used for a considerably long time turn off the main switch or the circuit breaker for safety Prevent any liquid from falling into the remote controller Do not spill juice water or any kind of liquid Do not pour or spray water or detergent on the electric parts Doing so may cause electric leakage and
190. remote unit needs to be manually specified to header ON in No 4 controller display of SW703 The group address of an Air to Air Heat Exchanger unit does not need to be specified Air conditioner group RBC AMT32E RBC AMS41E can be used 1 RBC AMT32E RBC AMS41E and NRC 01HE can be used NRC 01HE can be used Air to Air Heat Exchanger group Remote controller RBC AMT32E cannot be connected RBC AMS41E can be used 1 NRC 01HE can be used Connect central control wiring only to the header of the Air The group header must be an indoor unit compatible with Air to Air Heat Exchanger to Air Heat Exchange Do not connect remote controller wiring between the indoor If the group header is an indoor unit not yet compatible with unit and Air to Air Heat Exchanger unit Air to Air Heat Exchange the linkage operation is possible but the ventilation fan speed and mode of the Air to Air Heat Note Exchanger cannot be changed can be changed depending on the DN setting The group follower can run without any problems even if it is an indoor unit not yet compatible with Air to Air Heat Exchange Do not connect central control wiring between the indoor unit and Air to Air Heat Exchanger unit 1 Ventilation fan speed and mode of the Air to Air Heat Exchanger cannot be changed can be changed depending of the DN setting 41 Air to Air Heat Exchanger Unit and DI SDI Series Air Conditioning System
191. remote controller wire A B Connect the central control wire U1 03 U2 04 or the external output terminal block 1 to 5 if necessary Tighten the screws on the terminal board firmly then fix the wiring on the electrical control box using the accessory cord clamp Perform grounding work 114 E Switching between extra high and high NWARNING Turn off the circuit breaker before switching between Extra High and High When switching to Extra High connect the black lead wire Extra High to the connector ES PH The blue lead wire High is connected as factory default T E Connect the black lead wire both to the supplying air motor white connector and the exhausting air motor red connector Referto Connection diagram for the connection method REQUIREMENT After connecting the black lead wire to the connectors fix the lead wires using the cord clip Exhaust air red connector LLA Cord clip Blue lead wire Supply air High white connector Factory default E Remote controller wiring As the remote controller wire has non polarity there is no problem if connections to Air to Air Heat Exchanger terminal blocks A and B are reversed Wiring diagram Terminal block for remote controller wiring of Air to Air Terminal block Heat Exchanger Remote QUAE Cee controller di a Co Remote controller wire locally procured For details of wiring ins
192. ress the nozzle of the vacuum cleaner hard against the heat exchange element otherwise the surface of it will be scratched Do not wash the heat exchange element in water Contact the dealer or installer when the heat exchange element is damaged and replacing it is necessary B Reinstallation after maintenance 1 Attach the filters Attach the filters after they have completely dried Attach them to the frame of the heat exchange element as before Heat exchange element Filters 2 Attach the heat exchange elements Install the heat exchange elements as before Filters NOTE Attach the filters If this unit is used without them the heat exchange elements will become clogged and a breakdown may result 3 Attach the inspection cover Fit the fixing lever to the inspection cover to attach it securely and fix the fixed part of Inspection cover with a screw Inspection cover Fixing lever 143 14 1roubleshooting B Confirmation and check When an error occurred in the Air to Air Heat Exchanger the check code and the unit No of Air to Air Heat Exchanger appear on the display part of the remote controller The check code is only displayed during the operation If the display disappears operate the Air to Air Heat Exchanger according to the following Confirmation of error history for confirmation Unit No of Air to Air Heat Exchanger is 31 OO Unit No of the Air to Air H
193. rge type D Duct type None High static pressure type Bs Built in type SP Slim duct type C ue Ceiling type None Ceiling type Kus High wall type Mis High wall type Lines Floor type None Cabinet type Bins Concealed type Nuus Console type ELS Floor standing type None Floor standing type 39 E List of Indoor Units DI SDI Series Compatible with Air to Air Heat Exchanger Unit in the tables indicates an indoor unit compatible with the Air to Air Heat Exchanger unit For the 4 way air discharge type Duct type Slim duct type products produced in September 2010 or later are compatible in the tables indicates an indoor unit not yet compatible with the Air to Air Heat Exchanger unit The linkage operation is possible but changing the ventilation mode and fan speed is not possible Will be possible if the DN setting is changed If is shown but the development number is older than that indicated in the tables the indoor unit is not yet compatible with the Air to Air Heat Exchanger unit The linkage operation is possible but changing the ventilation mode and fan speed is not possible Will be possible if the DN setting is changed Indoor unit type Cassette type Duct type 4 way air Compact Slim duct Ceiling type B 2 Flexi type discharge 4 way air Duct type Built in type yp type type discharge type Development
194. ric shocks injury water leakage noise and or vibration may result Before starting to install the Air to Air Heat Exchanger read carefully through the Installation Manual and follow its instructions to install the Air to Air Heat Exchanger Be sure to use the company specified products for the separately purchased parts Use of non specified products may result in fire electric shock water leakage or other failure Have the installation performed by a qualified installer Do not supply power from the power terminal block equipped on the outdoor unit to another outdoor unit Capacity overflow may occur on the terminal block and may result in fire Do not install the Air to Air Heat Exchanger in a location that may be subject to a risk of exposure to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Install the Air to Air Heat Exchanger at least 2 5 m above the floor level since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the Air to Air Heat Exchanger while the it is running Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by agent When installing a circuit breaker outdoors install one which is designed to be used outdoors Do
195. ry default Valid 135 Setting of delayed operation Delayed operation of the Air to Air Heat Exchanger when it operates link with air conditioners The operation of the Air to Air Heat Exchanger is delayed by Setting value x 10 minutes 10 to 60 minutes when the ON OFF button is pressed Available when the operation of the Air to Air Heat Exchanger is linked with that of air conditioners Adjustthis setting for all the Air to Air Heat Exchangers in the group only when the Air to Air Heat Exchanger s operates together with air conditioners This setting is invalid for a system equipped with the Air to Air Heat Exchanger only For NRC 01HE the indicator lights up Select 4B in step 3 on page 131 Select a value from the table on the below in step 4 on page 132 according to the preferred time Code SET DATA 0000 0001 to 0006 4B Delayed operation invalid Setting value x 10 minutes dela y P Factory default 9 E Nighttime heat purge setting Nighttime heat purge exhausts hot air in the room by bypass mode and reduces the cooling load in the morning Mankoring operation starts after Setting value x 1 hour s 1 to 48 hours Adjust this setting for all the Air to Air Heat Exchangers in the group Only when the Air to Air Heat Exchanger s operates link with air conditioners This setting is invalid for an Air to Air Heat Exchanger system Select 4C in step 3 on page 131
196. s the surface of the unit or the duct connector may be affected by condensation or frosting depending on the outdoor air conditions or temperature humidity of the ceiling cavity even though the conditions for use are observed In this case add a heat insulator Do not install the unit in a place where there is something that must not become wet Depending on the temperature or humidity of outdoor air and the installation place water droplets may fall from the unit As shown in the figure to the below suppose a high temp absorbing air condition and a low temp absorbing air condition B are plotted on the air line figure then a high temp air A is heat exchanged by the unit and goes out of the saturation curve as shown by Point C In this case the unit will be dewed or frosted To avoid this heating a low temp air B up to B is required so as to get C below the saturation curve before using the unit Absolute humidity kg kg Dry bulb temperature C Refrain from the following duct installation works 1 Excessive bending 2 Multi times bending 3 Making the connecting duct 4 Bending near the exhaust air smaller duc We S Do not install it near the water heater Do not use in bathrooms or food preparation areas or in similar condition place If the unit is used at the place of much soot and high humidity large amounts of oily smoke the filter or the heat exchange element gets clogged and it will be disa
197. s I tw ea RE LAE Ss 104 5 Reference diagram 104 6 sagas oat eee es ee we ee PEE 105 T Installation sore See eee Se ew eee et eae ee Se OL LAS EE 107 9 Electric WINING 36 50 02 STR See Ed Se uet E eee 109 9 Installation method for each system 116 10 Advanced Systems 5 3 0 o200 lt 8 dows xe eae E E Bare aed ERE 126 T1 Advanced o sss fee ee ee eee ee UP qu UE 131 12 Test TUI S uomo toD Een tune ERE gt REPE E Rb uud mE VR REC 140 13 Maintenance oue deett ri ERR Meese Gane eee ee areas tees 141 14 Troubleshooling 226 254 0420 deed eat dave 144 95 Please read carefully through these instructions that contain important information which complies with the Machinery Directive Directive 2006 42 EC and ensure that you understand them Generic Denomination Air to Air Heat Exchanger Definition of Qualified Installer or Qualified Service Person The Air to Air Heat Exchanger must be installed maintained repaired and removed by a qualified installer or qualified service person When any of these jobs is to be done ask a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the tab
198. s set to 0001 valid in CODE No DN 31 657 lights up while in central control mode The display blinks when a control function inaccessible to a remote controller is chosen 10 Operation output Connecting an auxiliary fan 1 Operation output setting The output setting can be changed by CODE No DN ED 0000 Contact is on only during normal operation Contact is off during 24 hour ventilation or nighttime heat purge operation Contact is off during cold mode while the temperature is below 10 0001 Contact is on during normal operation 24 hour ventilation or nighttime heat purge operation Contact is on when 24 hour ventilation is stopped intermittently Contact is off when nighttime heat purge operation is on standby paused before the monitoring operation of the nighttime heat purge operation starts Contact is off during cold mode while the temperature is below 10 0002 Contact is on during 24 hour ventilation or nighttime heat purge operation Contact is on when 24 hour ventilation is stopped intermittently Contactis off during normal operation or when the nighttime heat purge operation is on standby paused before the monitoring operation of the nighttime heat purge operation starts Contact is off during cold mode while the temperature is below 10 0003 Contact is on only when SA fan Supplying fan is running Contact is off when 24 hour venti
199. servicing WARNING Moving parts Do not operate unit with inspection cover removed Stop the unit before the servicing WARNING Moving parts Do not operate unit with inspection cover removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this cover CAUTION High temperature parts You might get burned when removing this cover 69 1 Precautions for safety NWARNING General Carefully read Owner s Manual before starting the Air to Air Heat Exchanger There are many important things to keep in mind for daily operation Ask for installation to be performed by the dealer or a professional Only a qualified installer 1 is able to install an Air to Air Heat Exchanger If a non qualified person installs an Air to Air Heat Exchanger it may result in problems such as fire electric shock injury water leakage noise and vibration Transportation and storage When transporting the Air to Air Heat Exchanger wear shoes with protective toe caps protective gloves and other protective clothing When transporting the Air to Air Heat Exchanger do not take hold of the bands around the packing carton You may injure yourself if the bands should break When stacking the packing cartons for storage or transportation heed the precautions written on the packing cartons Failure to heed the precautions may cause the stack to collapse The Air to Ai
200. sition Otherwise electric shocks may result Before opening the electrical control cover or inspection cover of the Air to Air Heat Exchanger set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the electrical control cover or inspection cover of the Air to Air Heat Exchanger and do the work required When cleaning the filter or heat exchange element of the Air to Air Heat Exchanger set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work When you have noticed that some kind of trouble such as when an error display has appeared there is a smell of burning abnormal sounds are heard water is leaking has occurred in the Air to Air Heat Exchanger do not touch the Air to Air Heat Exchanger yourself but set the circuit breaker to the OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrives Continuing to use the Air to Air Heat Exchanger in the trouble status may cause mechanical problems to escalate or result in electric shocks or other failure Electric shock hazard When you access inside
201. stead of blue 14 5 Parts Rating Model VN M 1500HE 2000HE Running condenser for supply air fan motor 450V 450V 10 SHE 5uF x 2 Running condenser for exhaust air fan motor 450V 450V 10 2 TOA sensor 25 size lead wire length 1040mm vinyl tube Blue TRA sensor 25 size lead wire length 1270mm non migratory tube Black Relay LY 2F Rated voltage AC220V 240V Rated load 10A AC230V Damper motor MP24ZN 15 6 Control Outline B Air to Air Heat Exchanger Control Specifications NO Item Specification outline Remarks When the power is reset 1 If the power supply is reset during the occurrence of an error the check code is cleared If an abnormal state continues even after the unit is restarted by pressing the ON OFF button on the remote controller the check code is redisplayed on the remote controller Ventilation mode control Air to Air Heat Exchanger system and Air to Air Heat Exchanger system linked with air conditioners 1 Ventilation mode control The control method of the automatic mode is different depending on whether itis an Air to Air Heat Exchanger system or an Air to Air Heat Exchanger system linked with air conditioners There are three ventilation modes Automatic Heat Exchange and Bypass 2 When a system without a remote controller or RBC AMT32E RBC AMS41E remote controller is used The ventilation mode can
202. t compatible with unit and Air to Air Heat Exchanger unit Air to Air Heat Exchange the linkage operation is possible but the ventilation fan speed and mode of the Air to Air Heat Note Exchanger cannot be changed can be changed depending on the DN setting The group follower can run without any problems even if it is an indoor unit not yet compatible with Air to Air Heat Exchange Do not connect central control wiring between the indoor unit and Air to Air Heat Exchanger unit 1 Ventilation fan speed and mode of the Air to Air Heat Exchanger cannot be changed can be changed depending of the DN setting 42 9 Failure Diagnosis 9 1 Failure Diagnosis 9 1 1 Before diagnosing failure Symptom Cause Operation does not start after pressing the button Is the circuit breaker turned off Has a power failure occurred Does the e indicator light up passed The ventilation delay setting is set to CODE No 49 and it is not malfunction The Airto Air Heat Exchanger will start running after the time set has Air does not come out The sound is loud 141 Are the filters or heat exchange elements clogged For maintenance see page The unit runs though the operation lamp does not turn on Does the 9 or indicator appear on the display The nighttime heat purge operation or 24 hour ventilation is set to CODE No 4C 49 See page 84 for how to use the funct
203. tallation of the remote controller refer to the Installation Manual enclosed to in the remote controller 115 9 Installation method for each system configuration Settings and electric wiring differ depending on the system configuration Perform electric wring according to the system examples shown in the table below Refer to page 121 to 125 for details System example Operation A Air to Air Heat Exchanger system One Air to Air Heat Exchanger is used AB AB p Remote controller for the Air to Air Heat Exchanger e J NRC 01HE Remote controller for air conditioner RBC AMS41E Using the remote controller for the Air to Air Heat Exchanger NRC 01HE the unit can be started or stopped control the ventilation fan speed and select the ventilation mode If two remote controllers are used the latter operation overrides the former and their indications always reflect the result of the latter operation The remote controllers for the air conditioners RBC 2 are not compatible with a system in which only the Air to Air Heat Exchanger is used Only on off operation is available for RBC AMS41E Air to Air Heat Exchanger system Multiple Air to Air Heat Exchangers are used Seay Exchafiger EI E AiptoAir AB Remote controller for the Air to Air Heat Exchanger NRC 01HE Remote controller
204. the fans of the selected indoor unit and Air to Air Heat Exchanger start running and the flap of the indoor unit starts swinging 2 Each time you press c 9 left side of the button the unit No of the indoor units or the Air to Air Heat Exchangers in the group are displayed successively Specify the Air to Air Heat Exchanger UNIT No 31 00 to replace The fan of the selected Air to Air Heat Exchanger starts running The 27 indicator lights up when using NRC 01HE The Line system address is fixed as 31 The Indoor unit address is between 1 and 64 The address is specified with No 1 to No 4 of SW702 and No 1 and No 2 of SW703 3 Use the buttons G C gt to cycle through the codes DN one by one 4 Change the code DN from Q to 0 Setting for lighting up hours of the Filter Sign Take notes of the description of the setting data displayed on the remote controller 5 usethe buttons C42 C to change the code DN Take notes as in step 4 6 Repeat step 5 and take notes of the setup data See Example on page 149 The code DN is between 0 and FF Some DN numbers are skipped 7 When you have finished taking notes press the e button to return to normal operation The unit stops It takes about 1 minute to resume operation on the remote controller Minimum necessary codes DN Item 10 Model code 11 Capacity code 14 Group address
205. the user where the circuit breaker is located If the user does not know where the circuit breaker is he or she will not be able to turn it off in the event that trouble has occurred in the Air to Air Heat Exchanger After the installation work follow the Owner s Manual to explain to the customer how to use and maintain the unit e If there is a danger of the Air to Air Heat Exchanger falling do not approach the Air to Air Heat Exchanger but set the circuit breaker to the OFF position and contact a qualified service person 1 to have the repairs done Do not set the circuit breaker to the ON position until the repairs are completed Relocation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the Air to Air Heat Exchanger It is dangerous for the Air to Air Heat Exchanger to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result 1 Refer to the Definition of Qualified Installer or Qualified Service Person 99 N CAUTION To disconnect the appliance from main power supply Means for disconnection having a contact separation in all poles at least 3 mm must be incorporated in the fixed wiring in accordance with the wiring rules The installation fuse all types can be used must be used for the power supply line of this Air to Air Heat Exchanger The external air intake opening should be positioned away from the exha
206. this setting is necessary for the hours of the 0001 150 H header unit 01 Filter Sign 0002 2500 H 0003 5000 H Dirty state of 0000 Standard 0000 Standard Adjusting this setting is necessary for the Setting for the time before the nighttime heat purge operation starts 02 filter 0001 High degree of dirt Half of header unit standard time 03 Central control 0001 0064 Central address 0099 Unfixed Adjusting this setting is necessary for the address 0099 Unfixed header unit Type code 0050 Air to Air Heat Exchanger 0050 Air to Air Heat Adjusting this setting is necessary for all 10 Ceiling embedded duct Exchanger Ceiling the Air to Air Heat Exchangers in the group embedded duct 11 Capacity code 0000 Unfixed Depends on the capacity Adjusting this setting is necessary for all 0001 0007 the Air to Air Heat Exchangers in the group Group address 0099 Unfixed 0099 Unfixed Does not need to be configured as it is set 14 0000 Individual in No 4 of DIPSW703 Can be changed in 0001 Header unit the DN setting when No 4 is OFF 0002 Follower unit Auto recovery 0000 Invalid 0000 Invalid 1 28 from a power 0001 Valid failure Resumes the status just before the power failure Single operation 0000 Invalid 0000 Invalid Adjusting this setting is necessary for the 31 of the fan 0001 Valid header unit System equipped with the Air ON OFF op
207. thoroughly acquainted with the knowledge related to this work Qualified service The qualified service person is a person who installs repairs maintains relocates and removes the person Air to Air Heat Exchanger made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who
208. tilation mode and nighttime heat purge operation are not available fa command is sent to one of the units in the group the invalid valid setting of the remote controller in the group can be switched 2 When switching between low high from an external device locally procured 77 procured Zea CUP A 4 CN705 Remote ON OFF Adapter NRB 1HE 1 3 No voltage a contact 1 TE Yellow 2 Red 3 White 4 Lowis applied when SW2 is closed and High when itis open i 1 Black 5 Control circuit board of the Air to Air Heat Exchanger 2m As these terminals are not used insulate them SW2 Low ON High OFF For NRC 01HE remote controller for the Air to Air Heat Exchanger the message on the display is changed However when the air conditioner operates Air to Air Heat Exchanger system linked with air conditioners ventilation fan speed Low High is changed though the ventilation amount is not shown on the display Ifa command is sentto one of the units in the group all the Air to Air Heat Exchangers in the group operate together The latter operation of the remote controller or the external device overrides the former 128 3 When switching between Bypass mode Heat exchange ventilation from an externa
209. ting TCC LINK TCC Link central Continued Central control device is Check for defects in the central control control device operation unable to receive a device reception error signal Check for defects in central control communication line Check termination resistance setting C06 Check power supply for devices at the other end of the central control communication line Check for defects in PC boards of devices at the other end of the central control communication line TCC LINK Group control Continued Error occurs in follower Check the check code of the unit where follower unit error operation unit under group control the error was detected P30 is displayed on the P30 central control remote controller Duplicate central Continued Duplicate central control Check address settings control address operation address 48 9 5 Sensor Characteristics Air to Air Heat Exchanger Temperature Sensor Characteristics Characteristic 1 Characteristic 2 200 20 Return air temperature Outdoor air temperature sensor TRA sensor TOA Resistance 19 10 Resistance 50 10 20 30 40 50 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature C Temperature C 49 10 and Assembling the Main Components E Assembling and exchanging the fan components No Component Procedure Note Inspec
210. tion cover LID 1 Remove the machine screws M4x 12 that fix the Machine screws M4x12 SERVICE inspection cover LID SERVICE pull up the 1 15 16 lever LEVER LID then remove the cover Lever LEVER LID Inspection cover LID SERVICE Heat exchange element HEAT EXCHANGER Filter AIR FILTER 1103 2 Hold the handle of heat exchange element HEAT EXCHANGER then pull it out 2 for each unit Note A single heat exchange element HEAT EXCHANGER weighs 2 4 kg there are two elements Be careful not to drop it 3 Remove Filter AIR FILTER from the heat exchange element HEAT EXCHANGER frame 2 filters for each heat exchange element Handle Heat exchange element 2 HEAT EXCHANGER 4 Filter AIR FILTER Element rail RAIL 4 Remove the two screws M4x6 that fix the Element rail RAIL 1 2 4 element rail RAIL to pull the rail out 3 Screws M4x6 Element rail RAIL on the left and right side 50 Component Procedure Foam cover COVER 5 Slide the foam cover COVER FOAM to the Foam cover COVER FOAM FOAM centre of the product to pull it out i 1 2 4 5 4 Left and right COVER PC BOARD 6 Electrical control cover 6 Remove the four screws M4x6 that fix the electrical control cover COVER PC BOARD then remove the cover ES CA Screws 4 6 COVER 5
211. tion output 0001 ON during normal operation 24 normal necessary for a Air to hour ventilation or nighttime heat operation Air Heat Exchanger which transfers the 2 0002 ON during 24 hour ventilation or operation output nighttime heat purge operation 0003 ON when SA fan is running 0004 ON when EA fan is running Changing the 0000 ON when an abnormal signal is 0000 ON when an Adjusting this setting is abnormal signal detected abnormal necessary for a Air to EE Bypass mode 0001 ON when the Bypass mode signal is signal is Air Heat Exchanger signal output detected detected which transfers the operation output Adjusting this setting is necessary for the header unit when using a system equipped with the Air to Air Heat Exchanger only and the Air to Air Heat Exchanger with the smallest indoor unit address number when using a system equipped with the Air to Air Heat Exchanger and air conditioners B Changing the time before the Filter Sign lights up The time before the Filter Sign lights up can be changed according to the installation conditions Adjust this setting for the header unit Select 01 in step 3 on page 131 Select a value from the table on the below in step 4 on page 132 according to the preferred time before the Filter Sign lights up Code SET DATA 0000 0001 0002 0003 0004 Time before the 2500 H 01 Filter Sign lights None 150H Factory 5000 H 10000 H up default
212. ton used to set temperature the error history stored in memory is displayed in order The numbers in CODE No indicate CODE No 01 latest 04 oldest REQUIREMENT Do not push amp button because all the error history of the Air to Air Heat Exchanger will be deleted 3 After confirmation push e button to return to the usual display puma Li 4 Hm T1 wer ZA Ec D 12 X O5 UU 9 AX B gt P 45 BTCC Link Central Control Remote Controller TCB SC642TLE2 ra CI3 E22 632 643 182 083 023 182 B QD GU GAS 45 0 Jd Wo Paty 29 on WHE SELECT zone J 4 J b c GROUP ey GEN meL C v 1 Checking and testing If an error has occurred in the Air to Air Heat Exchanger the check code and the unit No of the Air to Air Heat Exchanger appear on the display of the remote controller Unit No of the Air to Air Heat Exchanger is 31 OO Check codes are only displayed while the Air to Air Heat Exchanger is in operation If the display has already disappeared access the error history by following the procedure described below Display of unit No Display of check code UNTNo C 0 J I7 5 Blinks alternately p j D ORO No 2 Checking the error history If an error has occurred on the Air to Air Heat Exchanger the error histor
213. tral controller oa cipia JIN i eco aoe cg gt Air to Air Heat n nog Air to Air Heat Air to Air Heat Air to Air Heat Exchanger d Exchanger Exchanger PY d Exchanger 1 1 Vv 177 0 7 4 0 r T9 LO i 0102 0102 U1 U2 i 01 02 LIN ulua A amp LIN ua u4 8 LIN 8 d LIN usiua 8 5 PC Ad rw y PN y Power MS Power Power E Power i 4 i i pr i i supply c i supply h T supply i i i 1 i i 1 bb wee pop cedes o e 0 1 x i P hacia eam odio Remote controller Remote controller Remote controller Remote controller header follower header follower Remote controller Remote controller inter unit wiring inter unit wiring Central control wiring must be connected to the header Air to Air Heat Exchanger unit only For group control install inter unit wiring between the units Up to 8 units can be installed for group control Changing the group address No 4 of SW703 Settings for changing the group address are necessary Select Header ON on the header unit of each group which central control
214. ully through the Service Manual and repair the Air to Air Heat Exchanger by following its instructions Only qualified service person 1 is allowed to repair the Air to Air Heat Exchanger Repair of the Air to Air Heat Exchanger by unqualified person may give rise to a fire electric shocks injury water leaks and or other problems Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the Air to Air Heat Exchanger Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks Wear protective gloves and safety work clothing during installation servicing and removal When repairing the electrical parts or undertaking other electrical jobs wear gloves to provide protection for electricians and from heat Failure to wear this protective gear may result in burn Electrical wiring work shall be conducted according to law and regulation in the community and installation manual Failure to do so may result in electrocution or short circuit Only a qualified installer 1 or qualified service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or to remove the electrical control cover or inspection cover of the Air to Air Heat Exchanger to undertake work When working at heights use a ladder which complies with the ISO 14122
215. understand them Some ofthe details provided in these instructions differ from the service manual and the instructions provided here take precedence Generic Denomination Air to Air Heat Exchanger Definition of Qualified Installer or Qualified Service Person The Air to Air Heat Exchanger must be installed maintained repaired and removed by a qualified installer or qualified service person When any of these jobs is to be done ask a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below Agent Qualifications and knowledge which the agent must have The qualified installer is a person who installs maintains relocates and removes the Air to Air Heat Exchanger made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the Air to Air Heat Exchanger made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and Qualified installer regulations and he or she is a person who
216. unication corresponding between indoor header Check indoor power supply wiring E18 between indoor unit only and follower units cannot Check PC boards of indoor units header and be maintained follower units Air to Air Outdoor air Stop of The resistance value of Check TOA sensor connector connection Heat temperature corresponding the sensor is infinite or and wiring 17 Exchanger sensor unit only zero open or short Check TOA sensor resistance error circuit characteristics Check for defective Air to Air Heat Exchanger PC board Air to Air Return air Stop of The resistance value of Check TRA sensor connector connection Heat temperature corresponding the sensor is infinite or and wiring 18 Exchanger sensor TRA unit only zero open or short Check TRA sensor resistance error circuit characteristic Check for defective Air to Air Heat Exchanger PC board Indoor Other indoor Stop of Indoor PC board is not Checkfor defect in indoor PC board faulty F29 error corresponding operating normally EEPROM unit only Indoor Duplicate indoor Stop of There is more than one Check indoor address 103 header unit corresponding header unit in the group Check for any change made to remote unit only controller connection group individual since indoor address setting Indoor Indoor group Stop of Address has not been Check indoor address addresses not set corresponding set unit only Note L08 This code
217. ust openings of combustion gases The intake of such gases could cause a lack of oxygen in the room The external air intake opening should not be positioned where discharged air may directly enter it A situation like this will lead to the room being contaminated and this may pose a health risk Netting or something similar should be provided at the external air intake opening to prevent birds or other things interfering with the unit Nests or other foreign objects should be removed That could cause a lack of oxygen in the room To pierce the metal duct through the metal lath or the wire lath or the metal plate of the wooden facility do not forget to insulate electrically between the duct and the wall Otherwise it would cause an electric shock or an electric leakage Install the outdoor duct in a falling gradient toward the outside so as to prevent water from coming in If it is not installed so the building is likely to be flooded wetting the household effects Heat insulate the outdoor duct including the indoor side if necessary to prevent dewing If heat insulation is not adequate water likely goes indoor and wets the household properties When it is high humid and high temperature inside the ceiling a ventilation system must be installed inside the ceiling Otherwise it could cause a fire or an electric leakage Install the power line and the connecting line with accuracy so the power source cover may not float If the installation
218. uthorized dealer or qualified service maintenance professional to repair or maintain the Air to Air Heat Exchanger 3 More details of the error code are explained in Installation Manual 92 IMPORTANT INFORMATION AND WARNING READ BEFORE INSTALLING THE UNIT KEEP IN A SAFE PLACE THE INFORMATION IN THIS BOOKLET IS NEEDED FOR END OF LIFE DISPOSAL OR REUSE OF THE UNIT We are very sensitive to environment and welcome the 2002 96 EC Directive WEEE Waste Electrical and Electronic Equipment This product is compliant with EU directive 2002 96 EC It must be collected separately after its use is completed and cannot be disposed of as unsorted municipal waste The objectives of EU directive 2002 96 EC are to tackle the fast increasing waste stream of electrical and electronic equipment increase recycling of electric amp electronic equipment and to limit the total quantity of waste EEE WEEE going to final disposal The crossed out wheeled bin symbol X that is affixed to the product means that this product falls under the Directive The user is responsible for returning the product to the appropriate collection facility as specified by your municipality or the distributor In case of a new product installation it may be possible to have the distributor pick up old WEEE directly The producer importer and distributor of the product are responsible for collection and treatment of waste either directly or through a
219. utton to start operation The operation lamp lights up TIMER SET Push the button Each time the button is pushed the timer mode and indication change in the following order OrO C2O gt O ON timer OFF timer Repeat OFF timer No indication and the time indication blink Push the lt buttons to set the period of time until the timer actions The time setting increases in 0 5 hour 30 minute increments each time is pushed The setting increases in 1 hour increments if itis over 1 day 24 hours The maximum is 7 days 168 hours On the remote controller settings between 0 5 hours and 23 5 hours 1 are displayed as is For settings over 24 hours 2 the days and hours are displayed The time setting decreases in 0 5 hour 30 minute decrements 0 5 hours to 23 5 hours or 1 hour decrements 24 hours to 168 hours each time Y is pushed Example of indication on the remote controller 23 5 hours 035 SETTING 86 34 hours 2 dd 1 Bh _ SETTING Days Hours indicates 1 day tt Li 24 hours ru indicates 10 hours t L0 Total 34 hours 4 Push the C button disappears the time indication is displayed and or 09 flashes When using the ON timer all indications other than the time indication and O turn off E Cancelling the timer 1 Pushthe amp button The timer indicator disappears NOTE
220. v Exchanger tat tt N 77 7 727 D o r 5 gt r P oj E ar z n pem i ar z ES gt m i A y i 1 1 34 1 1 1 7 1 Power RES Power Power LN Power supply zen supply jam supply a supply oc V i i I i JL di de i 4 E i i 5 f A A _ 4 fb D on Sen poof Remote controller Remote controller Remote controller Remote controller i header follower ALB header follower i Remote controller Remote controller inter unit wiring inter unit wiring Central control wiring of the Air to Air Heat Exchanger is necessary only for the header unit For group control install inter unit wiring between the units Upto 8 units can be installed for group control Changing the group address No 4 of SW703 Settings for changing the group address are necessary Select Header ON on the header unit of each group which central control wiring is connected to Select Follower for the other units When Header is selected Individual ON will be selected if only one Air to Air Heat Exchanger is connected to this system Settings of the header unit reflect the indicat
221. y can be checked with the following procedure Up to four errors are stored in memory The error history can be accessed regardless of whether the Air to Air Heat Exchanger is in operation or shut down 1 2 3 Press and hold the and amp T buttons simultaneously for at least four seconds 7 lights up and CODE No 01 is displayed If there is an error history when a group number is selected blinking the unit No and the latest error history information are displayed alternately Display of unit No Display of check code UNTNo C 0 J 9 Blinks alternately P D To check other error history items push the buttons _4_ _ _ to select another check CODE No 01 04 GROUP To check on a check code relating to another group push the and Ca Cy buttons to select a group number Do not push the button as it will erase the entire error history of the selected group To finish the service check push the button 46 9 4 Check Codes Displayed on the Remote Controller and Locations to Be Checked Check code ocation Remote of i System status Ero eec Het Items to check locations controller detection Remote Indoor remote Stop of Communication between Check remote controller inter unit tie cable controller controller corresponding indoor PC board and communication unit only remote controller is Check for a broken wire

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