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Owner`s Manual - Toshiba Air Conditioning

1. The nighttime heat purge operation is not executed if the outdoor temperature becomes about 15 C or less to prevent condensation in the Air to Air Heat Exchanger with DX Coil Unit but the indicator is still lit Air to Air Heat Exchanger with DX Coil Unit About humidifying Humidifying is available during heating REQUIREMENT When the humidifying season is over perform the drying operation for the humidifier Even during humidifying season perform the drying operation if the unit is not used for a long period of time over a couple of weeks The drying operation must be performed in ventilation mode for over 24 hours Failure to perform the drying operation may cause residual water to rot down and emit an unpleasant odor Itis required to replace the humidifying element if it emits such an odor During humidifying season when running only this unit while all the other air conditioners in the room are stopped change the heating mode to the ventilation mode and stop the humidifying operation Continuing the humidifying operation may increase the temperature and create condensation To use the Air to Air Heat Exchanger with DX Coil Unit effectively observe the following conditions Outdoor temperature 5 C to 43 C range Room temperature 421 C to 32 C range Cooling Room humidity 80 or less operation If the Air to Air Heat Exchanger with DX Coil Unit continues running for a long time wit
2. and a TV or radio Failure to observe this precaution may cause visual disturbance or noise Leave a distance of at least 1 5 m between the air outlet and a fire alarm If this precaution is not observed the alarm may not work properly or detect fire in case of fire Owner s Manual E Be careful of operation sounds Locate the unit in a place secure enough so that the sounds and vibrations do not increase If something is placed near the air discharge of the outdoor unit noise may increase Do not disturb your neighbors with cool warm air or noise coming from the air discharge of the outdoor unit 20 EN 21 EN Air to Air Heat Exchanger with DX Coil Unit 11 Owner s Manual ay 8 Air Conditioner Operations and Performance E Check before operation Turn on the power switch at least 12 hours before starting operation Connect the earth wire securely Attach the air filter to the indoor unit E Defrosting during heating If frost falls on the outdoor unit during heating defrosting is automatically performed for approximately 2 10 minutes to increase the heating effect E 3 minute protection The outdoor unit will not operate for approximately 3 minutes after the air conditioner has been immediately restarted after stopping or the power switch has been turned on This is to protect the system E Power failure In the case of a power failure all operations stop To
3. or a qualified service person 1 Failure to relocate the Air to Air Heat Exchanger with DX Coil Unit properly may result in electric shocks and or a fire Do not touch any switches with wet finger otherwise you may get an electric shock 1 Refer to the Definition of Qualified Installer or Qualified Service Person Air to Air Heat Exchanger with DX Coil Unit Owner s Manual 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 with DX Coil Unit CAUTIONS ABOUT INSTALLATION Be sure to confirm the following cautions Certainly lay the drain hose for perfect draining Bad drainage may cause flooding in the house and getting furniture wet Make sure to connect the Air to Air Heat Exchanger with DX Coil Unit to an exclusive power supply of the rated voltage otherwise the unit may break down or cause a fire CAUTIONS ABOUT OPERATION Do not use this Air to Air Heat Exchanger with DX Coil Unit for special purpose such as preserving food precision instruments art objects breeding animals car vessel etc If the Air to Air Heat Exchanger with DX Coil Unit will not be used for a considerably long time turn off the main switch or the circu
4. Blinks when an error occurs or the protective device activates Q o button Turns on the unit when pressed and turns it off when pressed again 10 button Operation mode select button Selects desired operation mode 11 eS button Unit select button Used for selecting a unit while changing settings if the remote controls two or more units 12 button Temperature set button Adjusts the set temperature Select the desired set point by pushing TEMP or TEMP G 7 11 13 button Ventilation fan speed button Used to select the ventilation fan speed 14 button Ventilation mode button Used to select a ventilation mode 15 Cat button Filter elevating button 1 16 S button Louver select button 1 OPTION Remote controller sensor 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 with DX Coil Unit Q will be displayed for few seconds when the unit is running in a system equipped with only the Air to Air Heat Exchanger with DX Coil Unit 12 EN 13 EN Air to Air Heat Exchanger with DX Coil Unit Owner s Manual Display section All indicators are displayed on the display example below for explanation In reality
5. High Low high High Low high High Low high High Low Power consumption w 3007 2807 235 305 46 S85 sso 545 485 720 665 530 External Static Pressure Pa 120 105 1 120 100 10 135 120 105 195 160 130 Sound pressure level aB STS 305 IAS 410 4007 380 430 420 40 0 43 5 42 0 40 0 Height 430 430 External Ganancions Width 1140 1189 Depth 1690 1739 Weight kg 84 100 101 103 Sound Power Level is less than 70 dBA 26 EN Air to Air Heat Exchanger with DX Coil Unit Owner s Manual Air to Air Heat Exchanger with DX Coil Unit Owner s Manual 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 conditioner Air to Air Heat Exchanger with DX Coil Unit Model type MMD VNK502HEXE MMD VNK802HEXE MMD VNK1002HEXE MMD VNK1002HEXE2 MMD VNS02HEXE MMD VN802HEXE MMD VN1002HEXE MMD VN1002HEXE2 Commercial name TOSHIBA Air to Air Heat Exchanger with DX Coil Unit 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 wh
6. ete ace eens ails ee eles ee ene aE ela aa 2 2 Part Names 244 202cse rE potte tata nse deeg coer eee iee EERE E Teens 4 3 System Configuration ccc eee 5 4 Part Names and Functions of the Remote Controller 005 6 5 HOw to US is 2 waa aa ee re ek Raa aoe eae 8 6 Timer Operation 22 cc6c6 oeeews sce ed evade e weed de ee ea a EEE KE O EEDE 10 7 installaatio s eiie septs ones aise E ERED EDE RELEE mane 10 8 Air Conditioner Operations and Performance 000e eee eeeeeee 11 9 Maintenance soe nr cressrnrerrr eren tt a E ieee Gis ESE ne nae 11 10 When the Following Symptoms are Found assasssasasasnnnnannnnnnnn 12 11 Specfications sssrds sanea iar RE g E Gada nese EU EE E E eee 13 Air to Air Heat Exchanger with DX Coil Unit 2 EN Owner s Manual 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 conditioner Air to Air Heat Exchanger with DX Coil Unit Definition of Qualified Installer or Qualified Service Person The Air to Air Heat Exchanger with DX Coil Unit 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 perso
7. mode indicator available on that model Each time you press the button the indication changes as follows D 14 Fan speed indicator 1 and no timer indication Indicates the selected fan speed 6 Filter indicator Auto as Reminder to clean the air filter High 7 7 Test run indicator Medium s Displayed during a test run Low 8 9 Swing indicator 1 Air to Air Heat Exchanger with DX Coil Unit 15 17 18 27 16 19 Owner s Manual Ee 01 ANSET DATA 24 qQ 4 Oro UNIT ss E TEST CODE No 25 H 26 15 Louver Number display 1 16 Power saving mode display Displayed during capacity saving mode 17 Louver lock indicator 1 18 UNIT No indicator The number of the Air to Air Heat Exchanger with DX Coil Unit 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 device prohibits the use of local remote controllers blinks when any of the OME SSE or S 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 Displayed when MODE button is pushed w
8. near the unit or inside air intake Doing so may result in a fire Fix the parts such as the inspection cover firmly Confirm that the outdoor unit and the heat storage unit are fixed on the base securely Inappropriate fixing may cause them to fall down and an accident may result Stop running the unit if it vibrates abnormally The unit or parts of it may fall and an injury may result 6 EN Air to Air Heat Exchanger with DX Coil Unit Owner s Manual E Information on the Transportation Handling and Storage of the Carton Examples of indication on the carton Symbol Description Symbol Description B Stacking height Keep dry 2 2 cartons 3 cartons can be stacked in this case M This side up Do not step Handle with care Weight Do not roll Do not clamp Other cautions Description A Caution 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 7 EN Owner s Manual SS E Air to Air Heat Exchanger with DX Coil Unit 2 Part Names E Air to Air Heat Exchanger with DX Coil Unit Water supply hole for the humidification element EA Exhaust air Maintenance cover for the humidification element Humidification OA Outdoor air element Inspection cover for the heat exchange e
9. only the selected options will be displayed Indications concerning Louver position display 1 controlling the Air to Air Heat Exchanger with DX Coil Unit are explained here eee For indications concerning an air conditioner refer to the owner s manuals supplied with the remote controller and the air conditioner i blinks on the display of the remote controller when the power switch Sperallon 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 289 7 10 3 Oy ES z CODE No 5 1 11 12 13 1 SETTING indicator 10 Set temperature display Displayed when setting the timer or other The selected set temperature is displayed functions 11 Remote controller sensor indicator 2 Operation mode indicator Displayed when the remote controller sensor is Indicates the operation mode selected used 3 Error indicator 12 Pre heat indicator Displayed when the protective device activates or Displayed when the heating mode is energized or an error occurs defrost cycle is initiated 4 rn While this indication is displayed the indoor fan Time indicator stops or operate in fan mode Indicates time concerning the timer Indicates a error code when an error occurs 13 No function indicator i o Displayed when the function requested is not 5 Timer
10. resume operations push the ON OFF button E Fan rotation of a stopped indoor unit While other indoor units operate the fans on indoor units in stand by mode rotate for several minutes approximately once per one hour to protect the machines E Protective device High pressure switch The high pressure switch stops the Air to Air Heat Exchanger with DX Coil Unit automatically when excessive load is applied to the Air to Air Heat Exchanger with DX Coil Unit If the protective device activates the unit s running stops and the operation lamp blinks When the protective device activates the indicator and the check code are displayed on the remote controller The protective device may activate in the following cases During cooling When the air intake or air discharge of the outdoor unit is blocked When strong wind blows continuously against the air outlet of the outdoor unit During heating for heat pump model only When dust or dirt is excessively adhered to the air filter of the indoor unit e When the air outlet of the indoor unit is blocked NOTE When the protective device activates turn off the power switch remove the cause and then restart running E Cooling Heating operations Each unit can be controlled individually However indoor units connected to the same outdoor unit cannot perform cooling and heating simultaneously When you attempt simultaneous operation indoor units performing
11. thermal load capacity kw 1 30 2 06 2 32 2 32 een heating k 5 53 2 33 8 61 3 61 10 92 4 32 10 92 4 32 capacity capacity kw 53 2 33 61 3 61 92 4 32 92 4 32 Air Volume m h 500 500 800 800 950 950 950 950 Fan speed Pta High Low Tar High Low Th High Low teh High Low Power consumption w 305 285 j 240 530 485 350 575 565 520 750 685 545 105 External Static Pressure Pa 95 175 85 150 95 135 198 85 140 9010 110 90 115 155 110 80 Humidification level kg h 3 0 3 0 5 0 5 0 6 0 6 0 6 0 6 0 Sound pressure level ap S657 S56 33S SOON 59 0 380 42 0 41 0 39 0 425 41 0 39 0 Height 430 430 External i External s Width 1140 7189 Depth 1690 1739 Weight kg 91 T11 112 114 E Model without a humidifier MMD VN502HEXE MMD VN802HEXE MMD VN1002HEXE MMD VN1002HEXE2 T Function Cooling and heating dual purpose type ype Unit configuration Discrete type Voltage ee oe S ae 220 240V 50Hz 220V 60Hz Equivalent HP 1 0 1 7 2 2 Refrigerant R410A Outdoor air cooling k 4 10 1 30 6 56 2 06 8 25 2 32 8 25 2 32 thermal load capacity KW Atan SEENI i ZAA handling heati capacity Sapay kw 5 53 2 33 8 61 3 61 10 92 4 32 10 92 4 32 Air Volume m h 500 500 800 800 950 950 950 950 Ext 3 Ext Ext Ext Notch high
12. DX Coil Unit You cannot control the ventilation FAN speed or select the ventilation mode when using RBC AMT32E If two control devices are used the central controller and the remote controllers for the Air to Air Heat Exchanger with DX Coil Unit and Air conditioner the latter operation overrides the former regardless of which device is used D Central control system When controlling the Air conditioner and the Air to Air Heat Exchanger with DX Coil Unit together Outdoor unit Central controller for 64 128 units groups TCB SC642TLE2 BMS CM1280TLE Air Air conditioner conditioner Remote controller NRC 01HE RBC AMT32E Remote controller NRC 01HE RBC AMT32E The central controller can be used to ON OFF the whole system The central controller cannot be used to control the ventilation FAN speed or select the ventilation mode of the Air to Air Heat Exchanger with DX Coil Unit The remote controller NRC 01HE can be used to control the ventilation FAN speed and select the ventilation mode of the Air to Air Heat Exchanger with DX Coil Unit The remote controller RBC AMT32E cannot be used to control the ventilation FAN speed or select the ventilation mode of the Air to Air Heat Exchanger with DX Coil Unit The remote controller NRC 01HE can be used to start and stop only t
13. G FIX UNIT LOUVER 5 MA OO C EC 6 No Air to Air Heat Exchanger with DX Coil Unit is connected or separate operation of the Air to Air Heat Exchanger with DX Coil Unit is not set if appears on the remote controller display after pushing the Ca button 1 c button Fan speed select button 1 2 button Timer set button Used for timer setting 3 button Test button Used for service Do not use this button in everyday operations 5 5 button Filter reset button Resets FILTER indication after cleaning 4 cao button 1 Ventilation button This button is used when the Air to Air Heat Exchanger with DX Coil Unit is in a system linked with air conditioners Push the c amp gt button to turn on off the Air to Air Heat Exchanger with DX Coil Unit Turning on off the air conditioner also turn on off the Air to Air Heat Exchanger with DX Coil Unit 6 button Power save operation Use to initiate power saving mode Air to Air Heat Exchanger with DX Coil Unit Owner s Manual TEMP ON OFF MTD C 1 2 y 204 s 9 15 ro Cas 10 TIME VENT 14 OO Ca FILTER RESET TEST UNIT LOUVER sH 16 13 7 Ce button Swing Louver direction button 1 8 Operation lamp Lights up during operation
14. TOSHIBA Leading Innovation gt gt gt AIR CONDITIONER MULTI TYPE Owner s Manual Air to Air Heat Exchanger with DX Coil Unit Model name Model with a humidifier MMD VNK502HEXE MMD VNK802HEXE MMD VNK1002HEXE Model without a humidifier MMD VN502HEXE MMD VN802HEXE MMD VN1002HEXE HFC For commercial use Owner s Manual 1 eaten 1 EN Air to Air Heat Exchanger with DX Coil Unit Owner s Manual Original instruction Thank you very much for purchasing TOSHIBA Air to Air Heat Exchanger with DX direct expansion Coil amp Humidifier Please read this owner s manual carefully before using your Air to Air Heat Exchanger with DX Coil Unit Obtain the Owner s manual and Installation manual from constructor or dealer Request to constructor or dealer e Please clearly explain the contents of the Owner s manual and hand over it ADOPTION OF NEW REFRIGERANT This Air to Air Heat Exchanger with DX Coil Unit adopts a new refrigerant HFC R410A instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer 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 Tor Safety c c cccic cis
15. UTION 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 may cause the plastic surface to crack or deform Owner s Manual 22 EN Owner s Manual i Air to Air Heat Exchanger with DX Coil Unit _Owner s Manual Air to Air Heat Exchanger with DX Coil Unit E Maintenance of the humidifier element 1 0when the Following Symptoms are Found The replacement cycle of the humidifier element varies greatly depending on the conditions of use Refer to the Check th ints d ibed below bef ki i icing cycles below as general replacement cycles They are not the terms of guarantee ee See rae ee ae ee eee When the water hardness is 25 mg L Every 5 years Symptom Cause 7 Swish sound is heard When the operation has started during the operation or immediately after When the water hardness is 50 mg L Every 3 years sometimes the operation has stopped a sound such as water flows may be heard When the water hardness is 100 mg L Every 2 years and the operation sound may become larger for 2 or 3 minutes immediately after the operation has started eia F A Pree They are f
16. a fire may occur 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 etc Have the installation performed by a professional Confirm that earthing is performed correctly 3 EN 4 EN sfa Air to Air Heat Exchanger with DX Coil Unit Owner s Manual Operation Before opening the electrical control cover or inspection cover or maintenance cover of the Air to Air Heat Exchanger with DX Coil Unit 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 or maintenance cover of the Air to Air Heat Exchanger with DX Coil Unit and do the work required Inside the Air to Air Heat Exchanger with DX Coil Unit 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 inspection cover or maintenance cover of the Air to Air Heat Exchanger with DX Coil Unit When work involving the removal of these parts is required contact a qualified installer or a qualified service person Do not modify the products Do not also disassemble or modify the parts It may cause a f
17. 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 air volume imbalance seems incorrect E Changing ventilation mode 1 Push the button to select a ventilation mode Each time the button is pushed the ventilation mode and indication change as follows DR R Automatic mode Heatexchange _ mode About ventilation modes The unit has two ventilation modes Automatic mode The heat exchange mode and the bypass mode are automatically switched between according to the operation mode cooling heating dry ventilation setting temperature or information from the indoor outdoor thermo sensor of the Air to Air Heat Exchanger with DX Coil Unit 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 unavailable Outdoor air is taken into a room as it is This mode is mainly used in spring and summer Owner s Manual Z CAUTION If the outdoor temperature falls to 15 C or below in Automatic 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 with DX Coil Unit The indication of the ventilation mode setting does not chang
18. arily to prevent stay of oil or refrigerant from the stand by indoor in the stand by indoor unit sound of flowing refrigerant may be heard or unit white steam when other indoor unit operates in HEAT mode and cold air in COOL mode may be blow out When power of the Air to Air Heat Sound is generated when the expansion valve operates when power has Exchanger with DX Coil Unitis turned on been turned on Ticktock sound is heard LCD blurs when it is touched LCD may temporarily blur by static electricity Operates or stops automatically Is the timer ON or OFF Is it a power failure Is the power switch turned off Is the power fuse or breaker blown E Has the protective device operated The operation lamp goes on amp Does not operate Is the timer ON The operation lamp goes on x e Are COOL and HEAT selected simultaneously 2 indication is lit on the display of the remote controller o Is outdoor temperature out of operation temperature range Operation stops automatically Is outdoor temperature out of operation temperature range The unit runs in the ventilation mode only When the outdoor temperature is outside the range of cooling heating operation the unit runs in the ventilation mode automatically 23 EN 24 EN 12 25 EN 13 Air to Air Heat Exchanger with DX Coil Unit Owner s Manual N CAUTION If any of the following conditions occur turn o
19. cooling are stopped and the running preparation indicator Q is displayed on the remote controller An indoor unit performing heating continues running When you attempt an operation without the configured settings the running preparation indicator is displayed on the remote controller and operation stops If operation is fixed to cooling or heating by the Air to Air Heat Exchanger with DX Coil Unit administrator only the configured settings apply to the operation E Heat exchange element A smell may be emitted from the heat transfer element during the initial stages of use This is neither a malfunction nor harmful Air to Air Heat Exchanger with DX Coil Unit 9 Maintenance E Maintenance of the filter heat exchange element and humidifier N WARNING Cleaning the filter heat exchange element humidifier element and other parts involves dangerous work in high places Ask a qualified installer or 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 Filter maintenance 1 Clean the filter if is indicated on the remote controller 2 Press the button after cleaning the filter The FILTER RESET indicator disappears FILTI Y MODI FLTER RESET TEST A a N N CA
20. d 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 with DX Coil Unit 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 do the refrigerant handling and piping work involved in installation repair relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the Air to Air Heat Exchanger with DX Coil Unit 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 with DX Coil Unit made by Toshiba Carrier Corporation or alternatively h
21. e E Changing the set temperature T Push the TEMP buttons Push to increase the temperature and Cy to decrease the temperature The set temperature cannot be changed in the fan mode E About the separate operation of the Air to Air Heat Exchanger with DX Coil Unit in a system linked with air conditioners The procedure below is not effective in a system equipped with the Air to Air Heat Exchanger with DX Coil Unit only 1 Press the ca button while the system is running Only the Air to Air Heat Exchanger with DX Coil Unit stops and the indicator turns off VENT 2 Press the ca button while the system is stopped The indicator lights up and the Air to Air Heat Exchanger with DX Coil Unit starts running separately NOTE Normally the Air to Air Heat Exchanger with DX Coil Unit ON OFF as the air conditioner is ON OFF when it is in a system linked with air conditioners If Q is displayed when the 4 button is pushed change certain settings is necessary to operate the unit separately Consult your dealer to change the settings 16 EN 17 EN Air to Air Heat Exchanger with DX Coil Unit 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 nightt
22. e 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 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 4 indicator disappears if any of the following conditions are fulfilled 1 The air conditioner or Air to Air Heat Exchanger with DX Coil Unit 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 _ mn The settings of or cannot be changed during the nighttime heat purge operation Their indicators are not displayed The 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 CAUTION
23. e 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 Air to Air Heat Exchanger with DX Coil Unit Owner s Manual Air to Air Heat Exchanger with DX Coil Unit Owner s Manual E Warning Indications on the Air to Air Heat Exchanger with DX 1 Precautions for Safety Coil Unit N WARNING General Carefully read Owner s Manual before starting the Air to Air Heat Exchanger with DX Coil Unit There are many important things to keep in mind for daily operation Warning indication Description WARNING Ask for installation to be performed by the dealer or a professional Only a qualified installer 1 is able to install an ELECTRICAL SHOCK HAZARD Air to Air Heat Exchanger with DX Coil Unit If a non qualified person installs an Air to Air Heat Exchanger with DX Disconnect all remote ELECTRICAL SHOCK HAZARD f n Coil Unit it may result in problems such as fire electric shock injury water leakage noise and vibration Disconnect all remote electric power supplies before servicing 2 Do not expose your body to cool air directly for a long time and do not cool yourself excessively Doing so may result in deteriorated physical condition and ill health Consult the shop where you purchased Air to Air Heat Exchanger with DX Coil Unit if Air to Air Heat Exchanger with DX Coil Unit cooling and heating i
24. er cannot be used to change the ventilation FAN speed or select the ventilation mode The remote controller NRC 01HE can be used to start and stop only the Air to Air Heat Exchanger with DX Coil Unit For this operation it is necessary to change the settings Consult the dealer for details If two remote controllers are used the latter operation overrides the former and their indications always reflect the result of the latter operation Air to Air Heat Exchanger with DX Coil Unit Owner s Manual System example Operation Note C Central control system When controlling the Air conditioner and the Air to Air Heat Exchanger with DX Coil Unit separately Outdoor unit Central controller for 64 128 units groups TCB SC642TLE2 BMS CM1280TLE Air Air conditioner conditioner Remote controller NRC 01HE RBC AMT32E Remote controller NRC 01HE RBC AMT32E 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 Exchanger with DX Coil Units The central controller cannot be used to control the ventilation FAN speed or select the ventilation mode of the Air to Air Heat Exchanger with DX Coil Unit Use NRC 01HE or RBC AMT32E to control only the group of the Air to Air Heat Exchanger with
25. ff 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 A foreign matter or water fall inside the Air to Air Heat Exchanger with DX Coil Unit When the Air to Air Heat Exchanger with DX Coil Unit does not operate even after the cause of the protective device activation has been removed Any other unusual conditions are observed Confirmation and check When an error occurred in the Air to Air Heat Exchanger with DX Coil Unit the check code and the indoor unit No 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 with DX Coil Unit according to the following Confirmation of error log for confirmation Check code Indoor unit No in which an error occurred Confirmation of error log When an error occurred on the Air to Air Heat Exchanger with DX Coil Unit the error log can be confirmed with the following procedure The error log is stored in memory up to 4 errors 2 QO ON OFF T FILTERS TIMER SET FAN MODE The error can be confirmed from both operating status and stop aa olc CBD status 56 Oo SAVE VENT PRAET Test ser GL SWINGIFIX unt LOWER 3 ALO 1 Procedure Description When oe and ea buttons are pushed simulta
26. h DX Coil Unit or to carry out other such jobs constitutes working at heights Due to the danger of falling off the stand and injuring yourself while High temperature parts High temperature parts working at heights this kind of work should not be done by unqualified individuals When this kind of work must be You might get burned You might get burned when removing this cover carried out do not do it yourself but ask a qualified installer 1 or a qualified service person 1 to do it for you Do not place any combustion appliance in a place where it is directly exposed to the wind of Air to Air Heat Exchanger when removing this cover i s y N P 4 with DX Coil Unit otherwise it may cause imperfect combustion Transportation and storage Transport it by the truck or the forklift Transport it by six people or more when the person transports it temporarily The waist etc might be hurt when not following it CAUTION When transporting the Air to Air Heat Exchanger with DX Coil Unit wear shoes with protective toe caps protective CAUTION gloves and other protective clothing When t rting the Air to Air Heat Exch ith DX Coil Unit d t take hold of the band dth ki Do not touch the aluminum Do not touch the aluminum fins of the unit carton Yau may injure youraelf if fne bands should braak fins of the unit N Doing so may resuttin injury When stacking the packing cartons for storage or transportation read the precautions written on the
27. h the room humidity over 80 water droplets may fall from the unit or may be emitted from the air outlet Outdoor temperature o o Heating range P 15 C to 21 C operation Room temperature 28 C or less If the Air to Air Heat Exchanger with DX Coil Unit is continuously operated beyond the conditions above the protective device will be activated and force the unit to stop Owner s Manual 18 EN 19 EN Air to Air Heat Exchanger with DX Coil Unit Owner s Manual 6 Timer Operation Select a timer type from the following three Max 168 hours OFF timer Stops running after a specified period Repeat OFF timer Stops running after a specified period every time you use the unit On timer Starts running after a specified period E Setting the timer E TEMP ON OFF GD TIMER SET foo ode N FLTERRESET TEST OO SWING FIX UNIT _LOUVER C y C _ Cr 1 Push the 0 button to start operation The operation lamp lights up 34 hours 2 TIMER SET t rt 2 Push the button id 1 Dha Each time the button is pushed the timer mode and indication change in the following order Days Hours indicates 1 da oO 20O O gt id Gahours gt Off Off gt On ru__ indicates 10 hours LIM Total 34 hours OFF timer Repeat OFF timer ON
28. he Air to Air Heat Exchanger with DX Coil Unit For this operation it is necessary to change the settings Consult the dealer for details When the Air to Air Heat Exchanger with DX Coil Unit system linked with indoor air conditioners is used set the Air to Air Heat Exchanger with DX Coil Unit as Follower referring to Setting the address manually using the remote controller in the Installation Manual of the outdoor unit 10 EN 11 EN Air to Air Heat Exchanger with DX Coil Unit Owner s Manual 4 Part Names and Functions of the Remote Controller E Remote controller for the Air to Air Heat Exchanger with DX Coil Unit NRC 01HE Operation section One of these remote controllers can be used to control both indoor air conditioner units and Air to Air Heat Exchanger with DX Coil Units up to 8 units in total Display After setting the operation conditions you can use the units by just pressing the ON OFF button e Functions concerning controlling the Air to Air Heat Exchanger with DX Coil Operation Unit are explained here For controlling an air conditioner refer to the owner s manuals supplied with the remote controller and the air conditioner TEMP ON OFF DD MR TIMER SET FAN MODE 2 Caz o E N TIME SAVE VENT amp O Css Ca 4 FILTERRESET TEST SET CL SWIN
29. hile operation mode is fixed to cool or heat by the air conditioner administrator 21 Operation ready display 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 lt 21 27S Or 74 is indicated When the remote is used to control air conditioners together with the Air to Air Heat Exchanger with DX Coil Unit as a group VENT 21 FAN indicator appears blinks only when the AR button is pressed High 3S Low Oe SA gt EA ya 2 Displayed when z the setting is SA lt EA aa 2 activated 24 Ventilation mode indicator Indicates the selected ventilation mode amp X or 28 is indicated Automatic mode BS Heat exchange mode BS 25 Nighttime heat purge indicator Displayed during the nighttime heat purge operation 2 26 Humidification indicator Displayed during humidifying 27 Ventilation indicator If the remote is used to control the Air to Air Heat Exchanger with DX Coil Unit in a system linked with air conditioners and separate operation of the unit is set to available the indicator is displayed while 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 with DX Coil Unit 1 Not displayed These functions are not avai
30. ich it is to be incorporated has been declared in conformity with the provisions of Machinery Directive Complies with the provisions of the following harmonized standard EN 378 2 2008 A1 2009 NOTE This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent 27 EN 28 EN 14 L0 S 166614 Information according to EMC Directive 2004 108 EC Name of the manufacturer TOSHIBA CARRIER CORPORATION Address city country 336 Tadehara Fuji shi Shizuoka ken 416 8521 Japan Name of the Importer Distributor in EU Toshiba Carrier UK Ltd Address city country Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJI SHI SHIZUOKA KEN 416 8521 JAPAN
31. ime heat purge operation functions if night purge is activated and the last operation mode of the air conditioner before stopping is with DX Coil Unit system linked with air conditioners If the e5 button is pushed while the system is running the operation lamp turns off 4 appears on the display and the nighttime heat purge operation turns on standby After the operation becomes on standby the unit automatically starts ventilation 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 wi u Owner s Manual a A or inan Airto Air Heat Exchanger 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 th
32. ir Heat Exchanger with DX Coil Unit falls to cool heat or water is leaking has occurred in the Air to Air Heat Exchanger with DX Coil Unit do not touch the Air to Air Heat Exchanger with DX Coil Unit yourself but set the circuit breaker to the OFF position and contact a qualified service person 1 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 with DX Coil Unit in the trouble status may cause mechanical problems to escalate or result in electric shocks or other failure If you have discovered that there is a danger of the Air to Air Heat Exchanger with DX Coil Unit s falling do not approach the Air to Air Heat Exchanger with DX Coil Unit but set the circuit breaker to the OFF position and contact a qualified installer 1 or a qualified service person 1 to refit the unit Do not set the circuit breaker to the ON position until the unit has been refitted 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 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 with DX Coil Unit is to be relocated do not relocate it yourself but contact a qualified installer 1
33. ire electric shock or injury Use of a stand more than 50 cm high to clean the filter or heat exchange element of the Air to Air Heat Exchanger with DX Coil Unit 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 1 or a qualified service person 1 to do it for you Do not touch the aluminum fin of the Air to Air Heat Exchanger with DX Coil Unit or outdoor unit You may injure yourself if you do so If the fin must be touched do not touch it yourself but contact a qualified installer 1 or a qualified service person 1 Never insert your finger or a stick into the air intake or outlet Doing so may result injury as the fan is rotating at high speed inside the unit Be sure to stop running the Air to Air Heat Exchanger with DX Coil Unit and turn off the breaker before cleaning Otherwise injury may result as the fan is rotating at high speed inside the unit Do not run or stop running the unit when flammable gas is leaking A gas explosion may occur Open the window to ventilate the room if flammable gas is leaking 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 the Air to A
34. it breaker for safety To make the Air to Air Heat Exchanger with DX Coil Unit operate in its original performance operate it within the range of the operating temperature specified in the instructions Otherwise it may cause a malfunction or water leak from the unit Prevent any liquid from falling into the remote controller Do not spill juice water or any kind of liquid Do not leave flammable sprays or other flammable materials near the Air to Air Heat Exchanger with DX Coil Unit and do not spray flammable aerosol directly to the Air to Air Heat Exchanger with DX Coil Unit They may catch fire Do not pour or spray water or detergent on the electric parts Doing so may cause electric leakage and 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 the unit in a place where it is hot 40 C 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
35. lable for Air to Air Heat Exchanger with DX Coil Unit 2 Displayed when these operation modes are activated 14 EN 15 EN Air to Air Heat Exchanger with DX Coil Unit 5 How to Use wi u Owner s Manual a E When using the remote controller for the Air to Air Heat Exchanger with DX Coil Unit NRC 01HE When you use the Air to Air Heat Exchanger with DX Coil Unit 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 operation conditions you set by just pressing the ex5 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 To use a Air to Air Heat Exchanger with DX Coil Unit system linked with air conditioners turn on the circuit breaker for the air conditioners too REQUIREMENT Keep the circuit breaker turned on during use For the Air to Air Heat Exchanger with DX Coil Unit 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 TIMER SET D C amp D Cae 2 FILTER RES UNIT LOUVER i gt 1 Press the 2 buttons to sta
36. lement SA Supply air Electrical control cover Connectors for refrigerant piping Drain hole Electrical control box Earth screw in electrical control box E Separately sold parts Remote controller for the Air to Air Heat Exchanger with DX Coil Unit NRC 01HE FILTERS TIMER SET Cas Coro Vent VENT NODE P Ce SWING FIX UNIT LOUVER F gt Vi 8 EN 9 EN Air to Air Heat Exchanger with DX Coil Unit 3 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 Owner s Manual EE e 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 Ifa central remote controller is used refer also to its installation manual and owner s Manual System example Operation Note A Air to Air Heat Exchanger with DX Coil Unit system Outdoor unit Air to AiNdeat i Exehanger With i DX oil Unit Remote controller N 01HE RBC AMT32E The remote controller can be used to ON OFF running the Air to Air Heat Exchanger with DX Coil Unit Remote controller for the Air to Air Heat Exchanger with DX C
37. lowing sound of refrigerant or draining sound of dehumidifier The humidifying performance deteriorates gradually as impurities in tap water are accumulated in the y g 9 9 humidifying element Slight clacking sound is This is sound generated when heat exchanger etc expand and contract a PEN heard slightly due to change of temperature In general replace the humidifying element when the humidifying performance of the element has deteriorated indication is lt Th i ti thene a6 Rec it o indication is lit en cooling operation cannot be performed because another indoor uni by 20 to 40 compared with that of a new one performs heating operation Estimated operating hours 10 hours per day X 20 days per month X 5 months per year 1000 hours per year Indoor unit Is outdoor temperature out of operation temperature range The amount of impurities accumulated in the humidifying element is largely dependent on the water quality 5 H indication is lit When the manager of the Air to Air Heat Exchanger with DX Coil Unit has water hardness the variety or amount of impurities the pH of the water water temperature etc or conditions T fixed the operation to COOL or HEAT and an operation contrary to the of use 2 setup operation is performed A 2 EA indication is lit When stopping the fan to prevent cool air blow at starting heating Sound or cool air is output Since refrigerant is flowed tempor
38. n 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 Exchanger with DX Coil Unit made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the Air to Air Heat Exchanger with DX Coil Unit made by Toshiba Carrier orporation or alternatively he or she has been instructed in such operations by an individual or individuals ho have been trained and is thus thoroughly acquainted with the knowledge related to these operations he qualified installer who is allowed to do the electrical work involved in installation relocation and removal as the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and e or she is a person who has been trained in matters relating to electrical work on the Air to Air Heat xchanger with DX Coil Unit made by Toshiba Carrier Corporation or alternatively he or she has been structed in such matters by an individual or individuals who have been trained and is thus thoroughly icquainted with the knowledge related to this work The qualified installer who is allowed to do the refrigerant handling and piping work involved in installation relocation and removal has the qualifications pertaining to this refrigerant handling and
39. neously for 4 seconds or more the following display appears M If Service check is displayed the mode enters in the error WN Zi IZ 1 log mode 01 Order of error log is displayed in CODE No window Check code is displayed Indoor unit address in which an error occurred is displayed in UNIT No Every pushing of Cy 4 button used to set temperature the error log 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 amp button because all the error log of the indoor unit will be deleted 3 After confirmation push eo button to return to the usual display 1 Check the errors according to the above procedure 2 Ask an authorized dealer or qualified service maintenance professional to repair or maintain the Air to Air Heat Exchanger with DX Coil Unit 3 More details of the check code are explained in Service Manual Air to Air Heat Exchanger with DX Coil Unit 1 Specifications E Model with a humidifier Owner s Manual MMD VNK502HEXE MMD VNK802HEXE MMD VNK1002HEXE MMD VNK1002HEXE2 Function Cooling and heating dual purpose type Type Unit configuration Discrete type Voltage oN baie SON boos 220 240V 50Hz 220V 60Hz Equivalent HP 1 0 1 7 2 2 Refrigerant R410A Outdoor air Cooling kw 4 10 1 30 6 56 2 06 8 25 2 32 8 25 2 32
40. oil Unit NRC 01HE The remote controller can be used to select the operation mode start and x stop the unit control the ventilation FAN speed select the ventilation mode and adjust the temperature i Main remote controller RBC AMT32E The remote controller can be used to select the operation mode start and stop the unit and adjust the temperature The remote controller cannot be used to change the ventilation FAN speed or select 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 B Air to Air Heat Exchanger with DX Coil Unit system linked with air conditioners Outdoor unit Air conditioner Remote controller NRC 01HE RBC AMT32E The remote controller can be used to ON OFF running the Air to Air Heat Exchanger with DX Coil Unit Remote controller for the Air to Air Heat Exchanger with DX Coil Unit NRC 01HE The remote controller can be used to select the operation mode start and stop the unit control the ventilation x FAN speed select the ventilation mode and adjust the temperature Main remote controller RBC AMT32E The remote controller can be used to select the operation mode start and stop the unit and adjust the temperature The remote controll
41. packing cartons Doing so may result in injury Failure to heed the precautions may cause the stack to collapse You shall ensure that the Air to Air Heat Exchanger with DX Coil Unit is transported in stable condition If you find any part of the product broken contact your dealer 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 with DX Coil Unit 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 with DX Coil Unit set the circuit breaker to the OFF position and contact a service person 1 If you install the unit in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the air conditioner when you implement the measures Accumulation of highly concentrated refrigerant may cause an oxygen deficiency accident Do not install the Air to Air Heat Exchanger with DX Coil Unit in a location that may be subject to a risk of expire to a combustible gas If a combustible gas leaks and becomes concentrated around the unit
42. piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the Air to Air Heat Exchanger with DX Coil Unit 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 with DX Coil Unit 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 FmsTTHEO v5 Qualified service person The qualified service person is a person who installs repairs maintains relocates and removes the Air to Air Heat Exchanger with DX Coil Unit made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the Air to Air Heat Exchanger with DX Coil Unit 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 qualifie
43. re the outside temperature falls below 5 C Avoid installing near machines emitting high frequency waves Not suitable for chemical plants such as liquefied carbon dioxide refrigerant plants A failure may occur in certain locations such as the following Areas with large amount of oil droplets including machine oil or vapors Salty areas near oceans etc e Hot springs emitting sulfidizing gas etc e Heavily acidic or alkaline places Special maintenance or parts are required for use in the above places For details contact the dealer where you purchased the product Leave an enough space around the air intake and outlet of the outdoor unit so that the ventilation is not restricted e Avoid places where strong wind may blow against the air intake and discharge of the outdoor unit Attach a snow stand snow hood etc to the outdoor unit for use in snowfall areas For details contact the dealer where you purchased the product Make sure drain water from the outdoor unit is emitted into places with good drainage Confirm that the filters for the heat transfer element and the medium efficiency particulate air filter are attached If they are not attached the heat transfer element or the heat exchanger will become clogged with dust deteriorating the performance and possibly causing water leakage Keep a distance of at least 1 m between the Air to Air Heat Exchanger with DX Coil Unit remote controller
44. rt operation The operation lamp lights up REQUIREMENT When the Air to Air Heat Exchanger with DX Coil Unit is in a system linked with air conditioners they start running at the same time 2 Push the MODE button to select a operation mode Each time the button is pushed the operation mode and its icon change in the following order Dehumidify 3 Press the 2 buttons to stop operation The operation lamp turns off E Changing ventilation fan speed 1 Push the button to select the ventilation fan speed Each time the button is pushed the speed and indication changes as follows GS 21S SKS 21S The indications 41827 and S are displayed only when the air volume imbalance setting is activated REQUIREMENT As factory default the air volume imbalance setting is deactivated only High and Low are available for selection Consult your dealer to activate the setting Air to Air Heat Exchanger with DX Coil Unit About air volume imbalance 48 SA gt EA SA lt 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 volume ventilation imbalance When 45 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 7 SA lt EA is selected the volume of the outdoor
45. s not performed properly as a refrigerant leakage may be the cause Confirm the repair details with a qualified service person 1 when the repair includes additional charging of the refrigerant The refrigerant used for Toshiba air conditioner is safe WARNING Usually the refrigerant does not leak If it should leak and catch fire on a fan heater stove or gas range a toxic gas will be produced Moving parts Moving parts Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local Do not operate unit with Do not operate unit with inspection cover removed regulations and laws inspection cover removed Stop the unit before the servicing Do not wash the Air to Air Heat Exchanger with DX Coil Unit Doing so may result in electric shock Stop the unit before the servicing When the Air to Air Heat Exchanger with DX Coil Unit is operated with a combustion appliance in the same place be careful of ventilation to let fresh air enter the room Poor ventilation causes oxygen shortage Be sure to stop running the air conditioner and turn off the breaker before cleaning Otherwise injury may result as the fan is rotating at high speed inside the unit electric power supplies before servicing Wear protective gloves and safety work clothing during installation servicing and removal CAUTION CAUTION Use of a stand more than 50 cm high to clean the filter of the Air to Air Heat Exchanger wit
46. timer 4 Press the button disappears the time indication is displayed and or flashes When using the ON timer all indications other than the time indication and turn off No indication and the time indication blink 3 Press the buttons to set the period of time until the timer actions The time setting increases in 0 5 hour 30 minute increments each time you press 4 The setting increases in 1 hour increments if it is 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 NOTE For settings over 24 hours 2 the days and When using the Repeat OFF timer pressing the hours are displayed O22 button after the unit has been stopped by The time setting decreases in 0 5 hour 30 the timer starts it running again and the unit will stop minute decrements 0 5 hours to 23 5 hours or again after the specified period 1 hour decrements 24 hours to 168 hours The nighttime heat purge operation is activated the each time you press unit is running the activated operation while the unit stops following the timer setting E Cancelling the timer 1 Press the amp button The timer indicator disappears Example of indication on the remote controller 23 5 hours c3 5 a SETTING Air to Air Heat Exchanger with DX Coil Unit 7 Installation E Location Do not install the unit in places whe

Owner`s Manual - Toshiba Air Conditioning

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