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Panasonic Mini ECOi Installation Manual

1. 1 6 11 16 25 31132 a N Wind direction S SE 1 2 Sek 1 2 8 T z E a 2 Sen z To m eo Hd T v Clo 0 Y d 12 MW Q D D D Y T VVind direction S _ on e AKA oe PS ES Wind direction Wind direction SE ie co T T rap co CY 9 Wind GC direction N MM gaer E Ke N Unit in 16 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN YI7 Reference for air discharge chamber field supply Required space around outdoor unit If an air discharge chamber is used the space shown below must be secured around the outdoor unit lf the unit is used without the required space a protective device may activate preventing the unit from operating 1 Single unit installation VLL y S g T s 8 S EE Unit in The top and both sides must remain open CAUTION If there are obstacles to the front and rear of the outdoor unit the obstacle at either the front or rear must be no taller than the height of the outdoor unit 2 Multiple unit installation 6 Installation in lateral rows JULLLLL LLL LLL PLL LLL IEMA LOA bd o g o More than 11 13 16 More than 11 13 16 gt lt More than 7 7 8 The front an must remain n CAUTION e front and top must remain ope The obstacles must be no taller than the height of the outdoor unit
2. More than 15 3 4 Unit in 6 Installation in front rear rows Installation vvith intakes facing Installation vvith intakes facing outlets intakes or outlets facing outlets More than 15 3 4 More than 59 1 16 gt i More than 78 3 4 lt p Unit in CAUTION The front and both sides must remain open DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YI8 p 2 7 Dimensions of Snow Ducting Reference diagram for snow proof ducting field supply Fastened by screws at 13 locations 30 3 32 gt Unit top snow proof vent Unit left side Unit right side Unit reverse side Unit in 25 13 32 17 15 32 3 3 4 19 11 16 a D S oi L ei D OH e si r z e 5 I CN A N Ge N N x 2 y N 4 S y Fastened by screws at 2 3 locations also on reverse side y SCH 1 3 16 Fastened by screw at 45 9 32 l a gt 1 location also on reverse side 2 8 Dimensions of Outdoor Unit with Snow Proof Ducting field supply 30 3 32 7 1 16 Wind direction Wind direction ER ER ra N m E SE 5 Cal T lt LO Se See Unit in 11 29 32 28 13 16 Wind direction 48 7 16 47 19 32 Wind
3. R22 refrigerating machine oil Mineral oil Suniso oil R407C refrigerating machine oil Synthetic fluid ether oil R410A refrigerating machine oil Synthetic fluid ether oil 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM lt 6 d CONTENTS Page Page Il ent NEEN 2 ELECTRICAL WIRING 05 22 Check of Density Limit 4 2 Recommended Wire Length and Wire l m Diameter for Power Supply System Precautions for Installation Using New Refrigerant 4 3 Wiring System Diagram 1 GENERAL ee 2 2 2 2 2 n n n nunnunum 1 i HOW TO PROCESS TUBING POEP eat oe a 26 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied 1 3 Type of Copper Tube and Insulation Material 1 4 Additional Materials Required for Installation 1 5 Tubing Size 1 6 Straight Equivalent Length of Joints 1 7 Additional Refrigerant Charge 1 8 System Limitations 1 9 Tubing Length 1 10 Check of Limit Density 1 11 Installing Distribution Joint 1 12 Optional Distribution Joint Kit 1 13 Example of Tubing Size Selection and Refrigerant Charge Amount CO 2 SELECTING THE INSTALLATION SITE 14 2 1 Outdoor Unit 2 2 Aijir Discharge Chamber for Top Discharge 2 3 Installing the Unit in Heavy Snow Areas 2 4 Precautions for Installation in Heavy Snow Areas 2 5 Dimensions of Air Discharge Chamber 2 6 Dimensions of Outdoor Unit with Air Discharge Chamber field supply 2 7
4. 2 Phillips head screwdriver 3 Use insulated copper wire for field wiring Wire size 3 Knife or wire stripper varies with the total length of wiring 4 Tape measure Refer to 4 ELECTRICAL WIRING for details 5 Level gauge S SR SAN OT KEY dogan Check local electrical codes f a gert and regulations before 8 Core bits obtaining wire Also check sd am any specified instructions or 10 Drill limitations 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 1 4 Additional Materials Required for Installation 14 Adjustable wrench 1 Refrigeration armored tape 15 Reamer for deburring 2 Insulated staples or clamps for connecting wire See your local codes 1 2 Accessories Supplied See Table 1 1 Putty Refrigeration tubing lubricant Clamps or saddles to secure refrigerant tubing oe se e Scale for weighing Table 1 1 Outdoor Unit Part name Figure U 36LE1U6 U 52LE1U6 U 36LE1U6E U 52LE1U6E 4 hp 6 hp Tube Discharge Assy Instruction manual hp horsepower 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM 8 p 1 5 Tubing Size Table 1 2 Main Tubing Size LA BTU h kW 38 200 11 2 52 900 15 5 System horsepower 4 6 Gas tubing 5 8 015 88 3 4 19 05 Liquid tubing 3 8 09 52 Unit in mm Note If the system consists of only one indoor unit with an outdoor 6HP Type 52 the main tube of the unit LA should be 019 05 Conv
5. 1 Refer to HOW TO ATTACH DISTRIBUTION JOINT enclosed with the optional distribution joint kit CZ P160BK1U 2 In order to prevent accumulation of refrigerant oil in stopped units if the main tubing is horizontal then each branch tubing length should be at an angle that is greater than horizontal If the main tubing is vertical provide a raised starting portion for each branch 3 If there are height differences between indoor units or if branch tubing that follows a distribution joint is connect ed to only 1 unit a trap or ball valve must be added to that distribution joint When adding the ball valve locate it within 1 3 ft of the distribution joint If a trap or ball valve is not added do not operate the system before repairs to a malfunctioning unit are completed The refrigerant oil sent through the tubing to the malfunctioning unit will accumulate and may damage the compressor 10 Y10 p Tube branching methods horizontal use N O K Horizontal A line View as seen from arrow Arrow view Types of vertical trap specifications When using ball valve Main tubing Bali valve Indoor unit more than 2 units BV ourchased If only 1 unit is connected l ER a ball valve is also needed on this side Indoor unit 1 When not using ball valve Main tubing Horizontal Indoor unit Each unit is connected to tubing that is either level or is directed downward Branch tub
6. DW 08 322 Mini_ECOiII_NA 11 8 18 3 38 PM Sa P INSTALLATION INSTRUCTIONS Mini VRF System Air Conditioner This air conditioner uses the refrigerant R410A External diameter of service port R410A 5 16 Model No Outdoor Unit Type 36 52 Salt Air Damage Resistant Specifications Mini VRF System U 36LE1U6 U 36LE1U6E Indoor Unit Type 1 Way Cassette S 07MD1U6 U 52LE1U6 U 52LE1U6E S 09MD1U6 S 12MD1U6 Panasonic 4 Way Cassette S 12MU1U6 S 18MU1U6 K1 4 Way Cassette 60 x 60 Ceiling S 07MK1U6 S 09MK1U6 S 12MY1U6 S 12MK1U6 S 12MT1U6 S 18MY1U6 S 18MK1U6 S 18MT1U6 F1 Low Silhouette Ducted S 07MF1U6 S 09MF1U6 S 12MF1U6 S 15MF1U6 S 18MF1U6 Slim Low Static Ducted DET ue Static Pressure Ducted S 07MM1U6 S 09MM1U6 S 12MM1U6 S 15MM1U6 S 18MM1U6 P1 Floor Standing S O7MP1U6 S O9MP1U6 S 12MP1U6 S 15MP1U6 S 18MP1U6 R1 Concealed Floor Standing S 07MR1U6 S 09MR1UG6 S 12MR1U6 S 15MR1U6 S 18MR1U6 Type Indoor Unit Type 19 24 36 48 54 DI 1 Way Cassette U1 4 Way Cassette S 24MU1U6 S 36MU1U6 Y1 4 Way Cassette 60 x 60 K1 Wall Mounted S 19MS1U6 1 S 24MK1U6 TI Ceiling S 24MT1U6 F1 Low Silhouette Ducted S 24MF1U6 S 36MF1U6 S 48MF1U6 S 54MF1U6 M1 Slim Low Static Ducted E1 High Static Pressure Ducted S 36ME1U6 S 48ME1U6 P1 Floor Standing S 24MP1U6 R1 Concealed Floor Standing S 24M
7. 0 8 1 32 0 8 5 128 1 0 over 5 128 1 0 1 7 Additional Refrigerant Charge Additional refrigerant charge amount is calculated from the liquid tubing total length as follows Table 1 7 Amount of Refrigerant Charge Per ft According to Liquid Tubing Size Liquid tubing size Amount of refrigerant Required amount of charge Amount of refrigerant in mm charge ozift charge per ft of each size of liquid tube x its tube 01 4 66 35 0 279 length 93 8 99 52 0 602 Always charge accurately using a scale for weighing DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN V9 p Table 1 8 Refrigerant Charge Amount at Shipment for outdoor unit Heat pump unit U 36LE1U6 U 52LE1U6 Single phase U 36LE1U6E U 52LE1U6E WE 123 123 1 8 System Limitations Table 1 9 System Limitations U 36LE1U6 U 52LE1U6 U 36LE1U6E U 52LE1U6E Number of max connectable indoor units 6 9 Max allowable indoor outdoor capacity ratio 50 130 Outdoor units 1 9 Tubing Length Select the installation location so that the length and size of refrigerant tubing are within the allowable range shown in the figure below LA L2 MD Main tube of unit H1 1st branch DN 0 0 E Unit distribution tube r b IL SE Y Note Do not use commercially available T joints for the liquid tubing Be sure to use s
8. 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N V20 d Reference diagram for snow proof ducting 2 Space requirements for setting 2 Obstacles to the front and rear of unit 6 The top and both sides must remain open Either the obstacle to the front or the obstacle to the rear must be no taller than the height of the outdoor unit 1 Single unit installation Dimension Q If a snow protection duct is attached after the unit is installed verify that dimension Q is 19 11 16 or more 39 3 8 5 29132 CALL 4 2 Obstacles on both sides LLLLLLLEECLELLLMA SO VVOGGGOSI PPOG DEEL ELLE EE EEL LEE SDL Eh EAE me 11 ishe Min 11 as o Min 7 7 8 Q Min 39 3 8 e _ N Installation in front rear rows 6 The top and both sides must remain open Either the obstacle to the front or the obstacle to the rear must be no taller than the height of the outdoor unit Min 11 13 16 Min 39 3 8 Min 59 1 16 Min 78 3 4 Min 7 7 8 Dimension Q If a snow protection duct is attached after the unit is installed verify that dimension Q is 19 11 16 or more Unit in 20 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM Y2 1 p 3 HOW TO INSTALL THE OUTDOOR UNIT 3 1 Installing the Outdoor Unit 6 Use concrete or a similar material to create the base and ensure good drainage Ordinarily ensure
9. Dimensions of Snow Ducting 2 8 Dimensions of Outdoor Unit with Snow Proof Ducting field supply 3 HOWTO INSTALL THE OUTDOOR UNIT 21 3 1 Installing the Outdoor Unit 3 2 Drainage Work 3 3 Routing the Tubing and Wiring 5 1 Connecting the Refrigerant Tubing 5 2 Connecting Tubing Between Indoor and Outdoor Units 5 3 Insulating the Refrigerant Tubing 5 4 Taping the Tubes 5 5 Finishing the Installation AIR PURGING 30 E Air Purging with a Vacuum Pump for Test Run Preparation TEST RUN EE 33 7 1 Preparing for Test Run 7 2 Test Run Procedure 7 3 Outdoor Unit PCB Setting 7 4 Auto Address Setting 7 5 Caution for Pump Down 7 6 Meaning of Alarm Messages 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN YT d DW 1 GENERAL 1 3 Type of Copper Tube and Insulation Material This booklet briefly outlines where and how to install If you wish to purchase these materials separately from the air conditioning system Please read over the entire a local source you will need set of instructions for the outdoor unit and make sure all 1 Deoxidized annealed copper tube for refrigerant tub accessory parts listed are with the system before ing peg nning 2 Foamed polyethylene insulation for copper tubes as 1 1 Tools Required for Installation not supplied required to precise length of tubing Wall thickness of 1 Flathead screwdriver the insulation should be not less than 5 16
10. Liquid tubing Total length of g174 ft 6 Charging procedure Be sure to charge with R410A refrigerant in liquid form 1 After performing a vacuum charge with refrigerant from the liquid tubing side At this time all valves must be in the fully closed position 2 If it was not possible to charge the designated amount operate the system in Cooling mode while charging with refrigerant from the gas tubing side This is performed at the time of the test run For this all valves must be in the fully open position Charge with R410A refrigerant in liquid form With R410A refrigerant charge while adjusting the amount being fed a little at a time in order to prevent liquid refrigerant from backing up 6 After charging is completed turn all valves to the fully open position 6 Replace the tubing covers as they were before Tightening torque for valve stem cap 160 180 Ibs in Tightening torque 590 710 Ibs in Tightening torque 300 360 Ibs in Tightening torque for valve stem cap 240 280 Ibs in AN 1 R410A additional charging absolutely must be done through liquid charging 2 The R410A refrigerant cylinder has a gray base color and the top part is pink 3 The R410A refrigerant cylinder includes a siphon tube Check that the siphon tube is present This is indicated on the label at the top of the cylinder 4 Due to differences in the refrigerant pressure
11. and refrigerant oil involved in installation it is not possible in some cases to use the same tools for R22 and for R410A 12 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN YI3 p DW Example Main tube of unit LN 8 1st branch tl A 18 type Unit distribution tube m 7 type 9 type 12 type 18 type 6 Example of each tubing length Main tubing Distribution joint tubing LA 131 ft Indoor side LB 16 ft l 1 16ft 9 4 20ft LC 16 ft 9 2 16ft 94 5 16ft LD 49 ft Jeti 6 Obtain charge amount for each tubing size Note that the charge amounts per 3 3 ft are different for each liquid tubing size 318 69 52 gt LA LB LC LD 212 ft x 0 602 oz ft 127 oz 01 4 66 35 gt 414 824 234 8445 75 ft x 0 279 oz ft 200z Total 147 oz lt p Additional refrigerant charge amount is 147 oz ER density for the room in which the indoor unit is installed AN CAUTION Be sure to check the limit 13 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN YI4 2 SELECTING THE INSTALLATION SITE 2 1 Outdoor Unit AVOID heat sources exhaust fans etc Fig 2 1 damp humid or uneven locations DO choose a place as cool as possible choose a place that is well ventilated and outside air temperature does not exceed maximum 113 F constantly allow enough room around the unit for air intake exhaust and possible maintenance Fig 2 2 use lug bolts o
12. Indoor unit more than 3 3 ft Branch point 16 or fewer more than 3 3 ft Indoor unit more than 3 3 ft Indoor unit Fig 4 3 24 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM 325 d WARNING Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore ensure that all wiring is tightly connected When connecting each power wire to the terminal follow the instructions on How to connect wiring to the terminal and fasten the wire securely with the fixing screw of the terminal plate How to connect wiring to the terminal E For stranded wiring 1 Cut the wire end with cutting pliers then strip the insulation to expose the stranded wiring approx 3 8 and tightly twist the wire ends Fig 4 4 2 Using a Phillips head screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring pressure terminal 4 Place the ring pressure terminal and replace and tighten the removed terminal screw using a screwdriver Fig 4 5 25 Stranded wire pressure o ai ZS terminal E gt Fig 4 4 Special S an washer SES q Ring pressure x1 ID Screw and terminal Special vvasher Wire A Terminal plate NG Ring i pressure E terminal Wire lt Fig 4 5 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N
13. and Description of Alarm Displays Alarm messages are indicated by the blinking of LED 1 and 2 D042 D043 on the outdoor unit PCB They are also displayed on the wired remote controller Viewing the LED 1 and 2 D042 and D043 alarm displays Alarm contents Alarm display Alternating LED 1 blinks M times then LED 2 blinks N times The cycle then repeats M 2 Palarm 3 Halarm 4 Ealarm 5 F alarm 6 L alarm N Alarm No Example LED 1 blinks 2 times then LED 2 blinks 17 times The cycle then repeats Alarm is P17 xt Blinking Possibi f malfuncti EN ossible cause of malfunction message Serial Remote controller is detecting Error in receiving serial communication signal communication error signal from indoor unit Signal from main indoor unit in case of group control lt E01 gt errors Ex Auto address is not completed Mis settin GER l 9 Error in transmitting serial communication signal lt E02 gt Indoor unit is detecting error signal from remote controller and system controller lt lt E03 gt gt Indoor unit is detecting error Error in receiving serial communication signal signal from outdoor unit When turning on the power supply the number of connected E04 indoor units does not correspond to the number set Except R C address is O Error of the outdoor unit in receiving serial communication signal E06 from the indoor unit SEMRA Improper setting of indoor uni
14. are confirmed in that system however the number of indoor units does not match the number that was set _ _ J Automatic address setting is in progress Alternating ki 2 Automatic address setting completed e time of automatic address setting the number of indoor units did not match the number that was set Zoe IN when indoor units are operating indication appears on the display L Se Refer to Table of Self Diagnostic Functions and Description of Alarm Displays Note A indicates that the solenoid is fused or that there is a CT current detection circuit failure current is detected when the compressor is OFF D Remote Controller s display during automatic setting SAANA is blinking Request concerning recording the indoor outdoor unit combination Nos After automatic address setting has been completed be sure to record them for future reference List the outdoor unit system address and the addresses of the indoor units in that system in an easily visible loca tion next to the nameplate using a permanent marking pen or similar means that cannot be erased easily Example Outdoor 1 Indoor 1 1 1 2 1 3 Outdoor 2 Indoor 2 1 2 2 2 3 These numbers are necessary for later maintenance Please be sure to indicate them 42 DW 08 322 Mini_ECOi_II_NA 11 8 23 10 18 AM lt 43 d Checking the indoor unit addresses Use the remote con
15. care must be taken when wiring as follows 3 To prevent possible hazards from insulation failure the unit must be grounded 6 The remote control wiring and the inter unit control wiring should be wired apart from the inter unit power wiring 4 Each wiring connection must be done in accor dance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 9 If the power supply cord of this appliance is dam aged it must be replaced by a repair shop appointed by the manufacturer because special purpose tools are required 5 Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 4 2 Recommended Wire Length and Wire Diameter for Power Supply System lt p Outdoor unit au Sg Time delay fuse or Type Power supply wiring circuit capacity U 36LE1U6 30 A U 36LE1U6E For field wiring rules please refer U 52LE1U6 to your LOCAL ELECTRICAL CODES Sock U 52LE1U6E Indoor unit Type Power supply wirin Mine CRAY eee yp PPly 9 circuit capacity K1 15A For field wiring rules please refer D1 U1 V1 Fi M1 TI PRIT vo your LOCAL ELECTRICAL CODES ie E1 15A Control vviring A Inter unit between
16. direction C DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN YI9 Reference diagram for snow proof ducting 1 Space requirements for setting 1 Obstacle to the rear of unit 6 Top is open 1 Single unit installation 2 Obstacles on both sides 3 Multiple unit installation 2 or more units OY lL AA dd ddd ddd dM TT ALAA _ 9V 2 J fo GB 2 E G J Z a E AQ Va c D gt D V g Min B Min C U U Li U Ge D D D d gd gd Min E Min E Min E Min F A B C D E F G 5 29 32 5 29 32 11 13 16 7 7 8 11 13 16 5 29 32 7 7 8 Note In cases 2 and 3 the height of the obstacle must be no taller than the height of the outdoor unit Min G Top is blocked by an obstacle Vy gt gt S Min L g Y Ee Z SP S Z ke Z Y Ls K L 19 11 16 5 29 32 Obstacle to the front of unit 6 Top is open 1 Single unit installation U K Min H V i 2 Multiple unit installation 2 or more units 2 K Min J Mss H l J 19 11 16 11 13 16 39 3 8 6 Top is blocked by an obstacle LLR LLL LLL LLL LLR ELE Min N Min M E M N 39 3 8 39 3 8 19 Unit in DW
17. liquid tube service valve stem counter clockwise to fully open the valve GC 2 Turn the gas tube service valve stem counter clockwise to fully open the valve CAUTION To avoid gas from leaking when ga removing the charge hose haps make sure the stem of the gas tube is turned all the way out BACK SEAT position Outdoor unit 3 Loosen the charge hose connected to the gas tube service port for 5116 tube slightly to release the pressure then remove the hose 4 Replace the service port cap on the gas tube service port and fasten the cap securely with an adjustable wrench or box wrench This process is very important to prevent gas from leaking from the system Gas 5 Replace the valve caps at both gas tube and liquid tube tube service valves and fasten them securely Outdoor unit This completes air purging with a vacuum pump The air conditioner is now ready for a test run Liquid tube 32 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM lt 333 7 TEST RUN 7 1 Preparing for Test Run 6 Before attempting to start the air conditioner check the following 1 All loose matter is removed from the cabinet especially steel filings bits of wire and clips 2 The control wiring is correctly connected and all electrical connections are tight 3 The transportation pads for the indoor fan have been removed If not remove them now 4 The power has been connected
18. outdoor and indoor units control wiring B Remote control wiring C Control wiring for group control AWG 18 0 75 mm AWG 18 0 75 mm AWG 18 0 75 mm2 Max 3 280 ft Max 1 640 ft Max 650 ft Total NOTE With ring type wire terminal 22 DW 08 322 Mini ECOI II NA 11 8 18 3 38 PM 323 d 4 3 Wiring System Diagram Indoor Outdoor unit INV unit unit No 1 Power supply LI G E 208 230V 60Hz 1 PH L2 O Remote Ground Controller B WHT E i BLK U A TD Indoor unit No 2 Power supply L1 oTo 208 230V 60Hz 1 PH 2 O Remote Ground Controller B WHT O ELO A BLK OF Group control Indoor Power supply L1 o Fo 208 230V 60Hz 1 PH L2 O Ground Indoor unit No n Power supply 1 o Fo 208 230V 60Hz 1 PH L2 OS BLK Remote a Controller em WHT B e BLK BLK go WHT WHT CONNECTOR 2P WHT 1 Refer to Section 4 2 Recommended Wire Length and Wire Diameter for Power Supply System for the expla nation of A B and C in the above diagram 2 The basic connection diagram of the indoor unit shows the 6P terminal board so the terminal boards in your equipment may differ from the diagram 3 Refrigerant Circuit R C address should be set before turning the power on 4 Regarding the R C address setting refer to
19. the same steps to complete automatic address setting for all units de Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 and 2 then use the remote controller complete automatic address setting Refer to Automatic Address Setting from the Remote Controller 40 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN YAl d Automatic Address Setting in Cooling Mode Indoor and outdoor unit power cannot be turned ON for each system separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic address setting can be performed during Cooling operation Automatic Address Setting from Outdoor Unit 1 Perform steps 1 and 2 in the same way as for Case 1 2 Turn the indoor and outdoor unit povver ON at all systems 4 3 To perform automatic address setting in Cooling mode on the outdoor unit control PCB in the refrigerant system where you wish to set the addresses short circuit the mode change 2P pin CN50 At the same time short circuit the automatic address pin CN51 for 1 second or longer then pull it out Be sure to perform this process for one system at a time Automatic address settings cannot be performed for more than one system at the same time Comm
20. to 0 E These are the settings at the time of factory shipment i 2 V OFF To set the number of indoor units that are connected to the outdoor unit to 6 on the outdoor unit control PCB set the No of indoor units rotary switch S004 to 6 At the outdoor unit where all indoor and outdoor unit power has been turned ON short circuit the automatic address pin CN51 for 1 second or longer then pull it out J Communication for automatic address setting begins To cancel again short circuit the automatic address pin CN51 for 1 second or longer then pull it out l The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Automatic address setting is completed when LEDs 1 and 2 on the outdoor unit control PCB turn OFF d Next turn the power ON only for the indoor and outdoor units of the next different system Repeat steps 1 3 in the same way to complete automatic address settings for all systems 4 Operation from the remote controllers is now possible D To perform automatic address setting from the remote controller perform steps 1 and 2 then use the remote controller complete automatic address setting Refer to Automatic Address Setting from the Remote Controller 39 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N VA40 d Automatic Address Setting in Heating Mode Indoor and outdoor unit power cannot be turned ON for each sy
21. 6 in above ground level to reduce humidity and protect the unit against possible water damage and decreased service life Fig 2 4 6 use lug bolts or equal to bolt down unit reducing vibration and noise Anchor bolts 4 pieces 14 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN YI5 d 2 2 Air Discharge Chamber for Top Discharge Be sure to install an air discharge chamber field sup ply in the field when it is difficult to keep a space of min 20 in between the air discharge outlet and an obstacle 6 the air discharge outlet is facing a sidewalk and discharged hot air may annoy passers by Refer to Fig 2 5 2 3 Installing the Unit in Heavy Snow Areas In locations with strong wind snow proof ducting field supply should be fitted and direct exposure to the wind should be avoided as much as possible E Countermeasures against snow and wind In regions with snow and strong wind the following problems may occur when the outdoor unit is not pro vided with a platform and snow proof ducting a The outdoor fan may not run and damage to the unit may occur b There may be no air flow c The tubing may freeze and burst d The condenser pressure may drop because of strong wind and the indoor unit may freeze 2 4 Precautions for Installation in Heavy Snow Areas 1 The platform should be higher than the max
22. Flare insulator supplied WS Tube insulator not supplied Heat resistant 248 F or above A Vinyl clamps supplied Unit side insulator Flare nut Fig 5 8 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N V29 d 5 4 Taping the Tubes 1 At this time the refrigerant tubes and electrical wiring if local codes permit should be taped together with armoring tape in 1 bundle To prevent the condensation from overflowing the drain pan I IT AAK E keep the drain hose separate from the refrigerant O tubing Clamp 2 Wrap the armoring tape from the bottom of the Insulated tubes Drain hose outdoor unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn 3 Clamp the tubing bundle to the wall using 1 clamp approx each ft Fig 5 9 Do not wind the armoring tape too tightly since this will Fig 5 9 decrease the heat insulation effect Also ensure that the condensation drain hose splits away from the bundle and drips clear of the unit and the tubing NEE l Apply putty here 5 5 Finishing the Installation After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the vvall to prevent rain and draft from entering Fig 5 10 Tubing Fig 5 10 29 DW 08 322 Mini_ECOiII_NA 11 8 18 3 38 PM 6 AIR PURGING Air and m
23. K CNO18 E 0VA be LO N o A ES OI TI 5 OO D Go CO Qa D 5 Ka I db I NI 0 GON O e A e l e Se e SE S E as N e gg E e 3 D 92 g S R093 RO8O CO CH Ss 8 g 5 2 e 8 D Q Q 2 E 8l low Wg Des Ue S On E E IN s B S 8 al 122 x e C160 SU R S C106 ne Ge oi JF S E ne Og 7 RIGAS NU S E D0990 MT w go 2 a of C105 ND S 8 S gt S 8 el lt S lt i 4 Ss SH Si _ ss U s H 2 3 e SQ 2 Q 2 z TE i e 2 d ei z gt ral d E Q26 CH O 2 o 9 Q ge L MO E E Q v D Sa ish Q 11 K 8 NE o o DP 1 R224 T S I E 1 z D a EC C192 CR SE el CN33 ST Dan SHORT _OPENJONSS vu asni l d CO TERMINAL c12 E R217 o 2 z Cp I 8 Q L Q32 e HA z 2 T ROSE KA E ai Se e W z 1 D 8 8 I z H 2 2s Q04 CH VINI CNSO CNSI a CN45 5 Sal el Je S CN51 e e CI68 CI67 Oe CIES C164 CN50 S003 Zo Och Slom ci7o Oe Ca l van C080 cost _ S md A e e D s002 c078 D043 d Se KS RZTS as D D043 alo 2 i s soi NCS O R138 i SE 8 D052 de c i SL S 27 a R152 B C8007 JI QT d RT L n P OOT 36 037 Ci22 59 com Ja SS a beis Cu SE C116 BAB n ia Si E lok RISS I co73 Ca AC IN cn20 Ee I I TJ 35 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YV36 Examples of the No of indoor units
24. R1U6 1 Necessary to install the External Electronic Expansion Valve Kit Optional CZ P56SVK1U 85464369529010 CV62331 86870 DW 08 322 Mini_ECOi_II_NA 11 8 23 10 17 AM RN vV2 IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and oper ating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must O Carefully read this instruction booklet before beginning 6 Follow each installation or repair step exactly as shown 6 Observe all local state and national electrical codes O Pay close attention to all warning and caution notices given in this manual JESS ANS If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including fail ure to follow the instruct
25. Section 7 4 Auto Address Setting Address setting can be executed by remote controller automatically 23 CT DS IA 0 L1 Power supply ooh 208 230V 60Hz 1 PH NOTE Disconnect Switch may be needed by the National Local code ALWAYS COMPLY WITH NATIONAL AND LOCAL CODE REQUIREMENTS Ground Disconnect switch Field Supply 5P terminal board Outdoor Unit Se DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YV24 p 1 When linking outdoor units in a network disconnect the terminal extended from the short plug CN003 2P Black location right bottom on the outdoor main control PCB from all outdoor units except any one of the outdoor units When shipping In shorted condition For a system without link no connection wiring between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 4 1 Outdoor unit Outdoor unit Outdoor unit N e Prohibited NEE 2 Prohibited Fig 4 1 3 Do not install inter unit control wiring such as star branch wiring Star branch wiring causes mis address setting 0 Now Weem A Branch point Fig 4 2 4 If branching the inter unit control wiring the number of branch points should be 16 or fewer Branches less than 3 3 ft are not included in the total branch number Fig 4 3 Outdoor unit Outdoor unit Outdoor unit Indoor unit Indoor unit Indoor unit
26. TE I Pee Duplication of outdoor R C address setting L04 There are 2 or more indoor units Priority set remote controller LO5 controllers which have operation Ss mode priority in 1 refrigerant circuit Non priority set remote controller LO6 Group control wiring is connected to individual control indoor unit LO7 Indoor unit address is not set LO8 Capacity code of indoor unit is not set lt lt L09 gt gt Capacity code of outdoor unit is not set L10 Mis matched connection of outdoor units which have different kinds 117 of refrigerant A vvay valve operation failure L18 Activation of Protective device in indoor unit Thermal protector in indoor unit fan motor is activated lt lt P01 gt gt Groe is activated Improper wiring connections of ceiling panel lt lt P09 gt gt vi Float switch is activated lt lt P10 gt gt Operation of protective function of fan inverter P12 O2 sensor detects low oxygen level activated P14 Protective device in outdoor unit Compressor thermal protector is activated is activated Power supply voltage is unusual The voltage is more than 260 V P02 or less than 160 V between L1 and L2 phase Incorrect discharge temperature P03 High pressure switch is activated P04 Detective phase 3 phase outdoor unit only PO5 Compressor running failure resulting from missing phase in the P16 compressor wiring etc Start failure not caused by IPM or no gas Outdoor unit fan motor is unusual P22 Overcurrent at t
27. YV26 d 5 HOW TO PROCESS TUBING Deburring 5 1 Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units In this method the copper tubes are flared at each end and 7 connected with flare nuts f f Aa A Flaring Procedure with a Flare Tool 4 4 NY 1 Cut the copper tube to the required length with a Fig 5 1 tube cutter It is recommended to cut approx 1 2 ft longer than the tubing length you estimate 2 Remove burrs at the end of the copper tube with a tube reamer or file This process is important and should be done carefully to make a good flare Fig 5 1 When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 5 2 3 Remove the flare nut from the unit and be sure to i mount it on the copper tube an 4 Make a flare at the end of copper tube with a flare tool Fig 5 3 ee vga Flare nut Copper 15 Re tubing 6 edge is smooth Flare tool A good flare should have the following characteristics 6 inside surface is glossy and smooth 6 tapered sides are of uniform length Fig 5 3 26 DW 08 322 Mini_ECOiII_NA 11 8 18 6 06 PM En d Caution Before Connecting Tubes Tightly 1 Apply a sealing cap or water proof tape to prevent dust or water from e
28. a base height of 2 or more If a drain pipe is used or for use in cold weather regions ensure a height of 6 or more at the feet on both sides of the unit In this case leave clearance below the unit for the drain pipe and to prevent freezing of drainage water in i Drain port 2 locations cold weather regions port 29 63164 6 Refer to the Fig 3 1 for the anchor bolt dimensions Be sure to anchor the feet with the anchor bolts M10 or 3 8 In addition use anchoring washers on the top side Use large square 1 1 4 x 1 1 4 SUS washers with diameters of 3 8 Field supply 3 2 Drainage Work 19 32 1 14 61 64 Follow the procedure below to ensure adequate draining for the outdoor unit 6 For the drain port dimensions refer to the figure at right 6 Ensure a base height of 6 or more at the feet on both sides of the unit 3 3 Routing the Tubing and Wiring The tubing and wiring can be extended out in 4 directions SE front rear right and down e The service valves are housed inside the unit To access them remove the inspection panel To remove the E inspection panel remove the 3 screws then slide the e BE VIA panel downward and pull it toward you Fig 3 1 Anchor bolt M10 or 3 8 Unit in Drain port 1 If the routing direction is
29. an 49 ft Required time for evacuation when 30 gal h vacuum pump is used If tubing length is longer than 49 ft 45 min or more 90 min or more The required time in the above table is calculated based on the assumption that the ideal or target vacuum condition is less than 14 7 psig 755 mmHg 5 Torr 2 When the desired vacuum is reached close the Lo knob of the manifold valve and turn off the vacuum pump Confirm that the gauge pressure is under 14 7 psig 755 mmHg 5 Torr after 4 to 5 minutes of vacuum pump operation 31 Manifold valve Pressure D EES gauge ke TY x SE 8 NO Vacuum pump Service port 65116 Gas tube Outdoor unit Liquid tube DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM 332 p Use SEET designed for Kee use with R410A E il i Charging additional refrigerant E OC 6 Charging additional refrigerant calculated from the y Ye t liquid tube length as shown in Section 1 7 Additional Refrigerant Charge using the liquid tube service valve Fig 6 5 Use a balance to measure the refrigerant accurately e f the additional refrigerant charge amount cannot be charged at once charge the remaining refrigerant in liquid form by using the gas tube service valve with the system in cooling operation mode at the time of test run Fig 6 6 Finishing the job 1 With a hex wrench turn the
30. cation from leakage of refrigerant is almost non existent With the recent increase in the number of high density buildings however the installation of multi air conditioner systems is on the increase because of the need for effec tive use of floor space individual control energy conserva tion by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared to conventional individual air conditioners If a single unit of the multi air conditioner system is to be installed in a small room select a suitable model and installation pro cedure so that if the refrigerant accidentally leaks out its density does not reach the limit and in the event of an emergency measures can be made before injury can occur JN cmon sharp aluminum fins of the e Do not touch the air inlet or the outdoor unit You may get injured Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm after installation that no refrigerant gas is leaking If the gas comes in contact with a burning stove gas water heater electric room heater or other heat source it can cause the generation of poisonous gas Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured Do not sit or step on the unit you may
31. ert 19 05 to 15 88 using a reducer field supply close to the indoor unit and then make the connection Table 1 3 Main Tubing Size After Distribution LB LC Total capacity Below BTU h 24 200 2 5 hp 38 200 4 hp 47 800 5 hp 52 900 6 hp after distribution Over BTU h 24 200 2 5 hp Gas tubing 6172 612 7 95 8 015 88 93 4 019 05 Tubing size it i Liquid tubing 9378 9 52 23 8 9 52 hp E Note In case the total capacity of connected indoor units exceeds the total capacity of the outdoor units select the main tubing size for the total capacity of the outdoor units Table 1 4 Indoor Unit Tubing Connection 8 4 4 oe 2 n1 Indoor unit type 7 9 12 15 18 19 24 36 48 54 Gas tubing 01 2 912 7 05 8 615 88 Liquid tubing 9114 96 35 93 8 99 52 Unit in mm 1 6 Straight Equivalent Length of Joints Design the tubing system by referring to the following table for the straight equivalent length of joints Table 1 5 Straight Equivalent Length of Joints Unit ft U shape tube bend R2 3 8 4 60 100 Uj Trap bend U Y branch distribution joint TJ Equivalent length conversion not needed Ball valve for service Equivalent length conversion not needed Table 1 6 Required Copper Tubing Dimensions Unit in mm Material O Copper tube Outer diameter 1 4 6 35 3 8 9 52 1 2 12 7 5 8 15 88 3 4 19 05 Wall thickness 1 32 0 8 1 32
32. fall down accidentally Do not stick any object into the FAN CASE You may be injured and the unit may be damaged A ASHRAE and the International Mechanical Code of the ICC as well as CSA provide guidance and define safe guards related to the use of refrigerants all of which define a Refrigerant Concentration Level RCL of 25 pounds per 1 000 cubic feet for R410A refrigerant For additional guidance and precautions related to refrigerant safety please refer to the following documents International Mechanical Code 2009 IMC 2009 Or more recently revised ASHRAE 15 ASHRAE 34 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YVA d Precautions for Installation Using New Refrigerant 1 Care regarding tubing 1 1 Process tubing 6 Material Use C1220 phosphorous deoxidized copper specified in JIS H3300 Copper and Copper Alloy Seamless Pipes and Tubes 6 Tubing size Be sure to use the sizes indicated in the table below 6 Use a tube cutter when cutting the tubing and be sure to remove any flash This also applies to distribution joints optional 6 When bending tubing use a bending radius that is 4 times the outer diameter of the tubing or larger Use sufficient care in handling the tubing Seal the tubing ends with CAUTION caps or tape to prevent dirt moisture or other foreign substances from entering These substances can result in system malfunction Unit in mm Material O Co
33. frigerant system begins When automatic address setting for one system is completed the system returns to normal stopped status lt Approximately 4 5 minutes is required gt During automatic address setting SETTING is displayed on the remote controller This message disappears when automatic address setting is completed Repeat the same steps to perform automatic address setting for each successive system 41 DW 08 322 Mini ECOI II NA 11 8 23 10 18 AM s 742 p Display during automatic address setting On outdoor unit PCB LED 2 1 U Do not short circuit the automatic address setting pin CN51 again while automatic ae address setting is in progress Doing so will cancel the setting operation and will cause Blink alternately LEDs 1 and 2 to turn OFF When automatic address setting has been successfully completed both LEDs 1 and 2 turn OFF LED 1 is DO42 LED 2 is D043 lf automatic address setting is not completed successfully refer to the table below and correct the problem Then perform automatic address setting again e Display details of LEDs 1 and 2 on the outdoor unit control PCB X ON Blinking OFF LED 1 LED 2 Display meaning After the power is turned ON and automatic address setting is not in progress no communication with the indoor units in that system is possible After the power is turned ON and automatic address setting is not in progress 1 or more indoor units
34. her than specified type It may cause product damage burst and injury etc s Do not leak refrigerant while piping work for an installation or re installation and while repairing refrigeration parts Handle liquid refrigerant carefully as it may cause frostbite DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN Y3 d When Servicing e Turn the power OFF at the main power box mains e before opening the unit to check or repair electrical De parts and wiring e Keep your fingers and clothing away from any moving parts e Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced M WARNING e Do not clean inside the indoor and outdoor units by users Engage authorized dealer or specialist for cleaning e In case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair Check of Density Limit The room in which the air conditioner is to be installed requires a design that in the event of refrig erant gas leaking out its density will not exceed a set limit The refrigerant R410A which is used in the air condition er is safe without the toxicity or combustibility of ammonia and is not restricted by laws imposed to protect the ozone layer However since it contains more than air it poses the risk of suffocation if its density should rise excessively Suf fo
35. ime of compressor runs more than 80Hz DCCT secondary current or ACCT primary current is detected at a time P26 other than when IPM has tripped IPM trip IPM current or temperature H31 Inverter for compressor is unusual DC compressor does not P29 operate Thermistor Indoor thermistor is either open Indoor coil temp sensor E1 lt lt F01 gt gt fault or damaged Indoor coil temp sensor E2 lt lt F02 gt gt Indoor coil temp sensor E3 lt lt F03 gt gt Indoor suction air room temp sensor TA lt lt F10 gt gt Indoor discharge air temp sensor BL lt lt F11 gt gt Outdoor thermistor is either Compressor discharge sensor TD F04 open or damaged Outdoor No 1 coil liquid temp sensor C1 F07 Outdoor air temp sensor TO F08 Compressor suction port temperature sensor TS F12 High pressure sensor F16 EEPROM on indoor unit PCB failure F29 Protective Protective device for compressor EEPROM on the outdoor unit PCB is a failure F31 device for No 1 is activated compressor is I activated Current is not detected when comp is ON HO3 45 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YV46 46 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YAT p 47 08 322 Mini ECOI II NA 11 8 23 10 18 AM lt v 48 DC0811 0 Printed in Japan
36. ing is directed upward More than 8 in Indoor unit is directed downward 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM R YII p 1 12 Optional Distribution Joint Kit See the installation instructions packaged with the distribution joint kit for the installation procedure Table 1 11 Model name Cooling capacity after distribution Remarks CZ P160BK1U 76 400 BTU h 22 4 kW or less For indoor unit CZ P160BK1U Use For indoor unit Capacity after distribution joint is 76 400 BTU h 22 4 kW or less Example Gas tube Liquid tube 4 21 64 4 21 64 S 3 13 16 Less EH EES D C A C DE J VA C Distribution de ee no Joint e EE KE 2 i D Insulation Insulation Unit in Table 1 12 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part C Part D Part E in mm 03 4 05 8 1 2 03 8 1 4 g 919 05 615 88 212 7 99 52 96 35 a 11 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM ol d 1 13 Example of Tubing Size Selection and Refrigerant Charge Amount Additional refrigerant charging Based on the values in Tables 1 2 1 3 1 4 and 1 7 use the liquid tubing size and length and calculate the amount of additional refrigerant charge using the formula below Required additional refrigerant charge oz 0 602 x a 0 279 x b a Liquid tubing Total length of 93 8 ft b
37. ions in this document SPECIAL PRECAUTIONS ROTH When Wiring eoeceer eee eee ese eee eee eee eee see eee eee ee eee see eee eee eee eee eee eee eee eee eee eee eee eee eee ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM e Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked e Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inad equate grounding can cause accidental injury or death e Ground the unit following local electrical codes e Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers e To prevent possible hazards from insulation failure the unit must be grounded When Transporting When Installing Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance 1n a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and fl
38. ly when performing the test run The test run can be performed using the HEAT COOL or FAN operation modes Note The outdoor units will not operate for approximately 3 minutes after the power is turned ON and after operation is stopped If correct operation is not possible a code is displayed on the remote controllers display Refer to 7 6 Meaning of Alarm Messages and correct the problem After the test run is completed press the button again Check that TEST disappears from the remote controllers display To prevent continuous test runs this remote controller includes a timer function that cancels the test run after 60 minutes If the test run is performed using the wired remote controller operation is possible even if the cassette type ceil ing panel has not been installed PO9 display does not occur 43 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM o A4 d 7 5 Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit Pump down is used when the unit is to be moved or before servicing the refrigerant circuit e This outdoor unit cannot collect more than the rated refrigerant amount as shown CAUTION by the nameplate on the back e if the amount of refrigerant is more than that recommended do not conduct pump down In this case use another refrigerant collecting system 7 6 Meaning of Alarm Messages Table of Self Diagnostics Functions
39. matic address CN50 on the outdoor main unit PCB pin CN51 on the outdoor unit PCB At the same time short circuit the for 1 second or longer Turn OFF the indoor Spo am YES automatic address pin CN51 for 1 then release it and outdoor unit second or longer then pull it out NO Make necessary corrections Refer to Table of Self Diagnostic Functions and Are LEDs 1 and 2 on the outdoor unit PCB OFF Start indoor and outdoor unit Start indoor and outdoor unit cooling operation heating operation LED 1 and 2 blink alternately LED 1 and 2 blink alternately Check the alarm contents 2 Aminimum of 5 hours must have passed after the power was turned ON to the outdoor unit 3 All indoor units operate in all refrigerant systems Are LEDs 1 and 2 on the NO where the power is ON outdoor unit PCB OFF YES Check that test run preparation is OK Do not allow the short circuited pins to remain short circuited Set the Wired Remote Controller for test run Refer to the Remote Controller test run Does system operate settings YES Return Remote Controller to normal mode End test run Check and make corrections according to Table of Self Diagnostic Functions Fig 7 3 34 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN Y35 7 3 Outdoor Unit PCB Setting DONT a E EE E DC MOTORI wg 5 E L DC280V2 F01 250V 5A O LEO BL
40. n alarm lt Outdoor unit control PCB gt 8 Unit No setting switch Set the No of indoor units will occur and the system will not start S004 These settings are not made on the indoor unit PCB NO Are the inter unit control wires connected to more than 1 refrigerant system Check the link wiring lt Outdoor unit control PCB gt YES Unit No setting switch Set the system address 002 and S003 When multiple outdoor units exist disconnect the terminals extended from the shorted plugs CN33 at all outdoor main unit Refer to Fig 7 4 PCBs except for 1 Alternatively move the sockets to the OPEN side YES Is it possible to turn ON the power only for the 1 refrigerant system where the test run will be performed Turn ON the indoor and NO outdoor unit power for that refrigerant system only Will automatic address setting be performed in Heating mode Make necessary corrections Short circuit the automatic address pin CN51 D on the outdoor unit PCB for 1 second or longer then release it YES Turn OFF the indoor and CASE 3A outdoor unit power LED 1 and 2 blink alternately Is it OK to start the compressors P Check the alarm contents about 2 or 3 minutes Turn ON the indoor and outdoor unit power NO Is it OK to start the compressors Turn ON the indoor and outdoor unit power 2 Short circuit the mode change pin Short circuit the auto
41. n entering the refrigerant system in a liquid state the top of the cylinder must be higher than the bottom when you pressurize the system Usually the cylinder is used in a vertical standing position Refer to the previous page 30 N V30 p Manifold gauge Vacuum pump Outlet Pressure Va Hi ses gauge M7 TS Charge hose iH Cylinder e valve SH L Nitrogen gas cylinder In vertical standing position Service port 65116 Gas tube Outdoor unit Liquid VV tube AK Close DW 08 322 Mini_ECOiII_NA 11 8 18 3 38 PM K YV31 d 3 Do a leak test of all joints of the tubing both indoor and outdoor and both gas tube and liquid tube service valves Bubbles indicate a leak Wipe off the soap with a clean cloth after the leak test 4 After the system is found to be free of leaks relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen cylinder When the system pressure is reduced to normal disconnect the hose from the cylinder Evacuation 1 Attach the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit Confirm that the Lo knob of the manifold valve is open Then run the vacuum pump The operation time for evacuation varies with the tubing length and capacity of the pump The following table shows the amount of time for evacuation If tubing length is less th
42. ns or when tightening them after connecting the tubing be sure to use 2 adjustable wrenches or spanners as shown Fig 5 6 If the flare nuts are over tightened the flare may be dam aged which could result refrigerant leakage and cause in injury or asphyxiation to room occupants 6 For the flare nuts at tubing connections be sure to use the flare nuts that were supplied with the unit or else flare nuts for R410A type 2 The refrigerant tubing that is used must be of the correct wall thickness as shown in the table at right 27 Indoor unit Apply refrigerant lubricant Union Flare nut Fig 5 5 Torque wrench Spanner Outdoor unit Fig 5 6 Tightening torque T Tube diameter approximate Tube thickness 1 4 120 160 lbs in 1 32 06 35 mm 140 180 kgf cm 0 8 mm 3 8 300 360 Ibs in 1 32 69 52 mm 340 420 kgf cm 0 8 mm 1 2 430 480 lbs in 1 32 912 7 mm 490 550 kgf cm 0 8 mm 95 8 590 710 lbs in 5 128 915 88 mm 680 820 kgf cm 1 0 mm 3 4 870 1040 lbs in over 5 128 919 05 mm 1000 1200 kgf cm 1 0 mm Because the pressure is approximately 1 6 times higher than conventional refrigerant pressure the use of ordinary flare nuts type 1 or thin walled tubes may result in tube rupture injury or asphyxiation caused by refrigerant leakage In order to prevent damage to the flare caused by
43. ntering the tubes before they are used 2 Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before connecting them together This is effective for reducing gas leaks Fig 5 4 3 For proper connection align the union tube and flare tube straight with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 5 5 6 Adjust the shape of the liquid tube using a tube bender at the installation site and connect it to the liquid tubing side valve using a flare Cautions During Brazing Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the brazing process Oxygen carbon dioxide and Freon are not acceptable 6 Do not allow the tubing to get too hot during brazing The nitrogen gas inside the tubing may overheat causing refrigerant system valves to become dam aged Therefore allow the tubing to cool when brazing Use a reducing valve for the nitrogen cylinder 6 Do not use agents intended to prevent the formation of oxide film These agents adversely affect the refrigerant and refrigerant oil and may cause damage or malfunctions 5 2 Connecting Tubing Between Indoor and Outdoor Units 1 Tightly connect the indoor side refrigerant tubing extended from the wall with the outdoor side tubing 2 To fasten the flare nuts apply specified torque as at right When removing the flare nuts from the tubing connectio
44. oisture in the refrigerant system may have undesirable effects as indicated below 6 pressure in the system rises 6 operating current rises 6 cooling or heating efficiency drops 6 moisture in the refrigerant circuit may freeze and block capillary tubing 6 water may lead to corrosion of parts in the refrigerant system Therefore the indoor unit and tubing between the indoor and outdoor unit must be leak tested and evacuated to remove any noncondensables and moisture from the system Air Purging with a Vacuum Pump for Test Run Preparation Check that each tube both liquid and gas tubes between the indoor and outdoor units has been properly connected and all wiring for the test run has been completed Remove the valve caps from both the gas tube and liquid tube service valves on the outdoor unit Note that both liquid and gas tube service valves on the outdoor unit are kept closed at this stage Leak test 1 Attach a manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Use a manifold valve for air purging If it is not available use a stop valve for this purpose The HI knob of the manifold valve must always be kept closed 2 Pressurize the system to no more than 512 psig 36 kgf cm2G with dry nitrogen gas and close the cylinder valve when the gauge reading reaches 512 psig 36 kgf cm2G Then test for leaks with liquid soap To avoid nitroge
45. oors JAN amon In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration Keep the fire alarm and the air outlet at least 5 feet away from the unit In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing e Ventilate the room well in the event that is refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas e Keep all tubing runs as short as possible e Use the flare method for connecting tubing e Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free con nection e Check carefully for leaks before starting the test run e When performing piping work do not mix air except for speci fied refrigerant R410A in refrigeration cycle It causes Capacity down and risk of explosion and injury due to high ANE tension inside the refrigerant cycle e Refrigerant gas leakage may cause fire Do not add or replace refrigerant ot
46. over tightening of the flare nuts use the table above as a guide when tightening When tightening the flare nut on the liquid tube use an adjustable wrench with a nominal handle length of 7 7 8 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N V28 p 5 3 Insulating the Refrigerant Tubing Tubing Insulation Thermal insulation must be applied to all unit tubing including distribution joint purchased separately For gas tubing the insulation material must be heat resistant to 248 F or above For other tubing it must be heat resistant to 176 F or above Insulation material thickness must be 25 64 or greater If the conditions inside the ceiling exceed DB 86 F and RH 70 increase the thickness of the gas tubing insulation material by 1 step Taping the flare nuts CAUTION If the exterior of the outdoor unit valves has been finished with a square duct covering make sure you allow sufficient space to use the valves and to allow the panels to be attached and removed Wind the white insulation tape around the flare nuts at the gas tube connections Then cover up the tubing connections with the flare insulator and fill the gap at the union with the supplied black insulation tape Finally fasten the insulator at both ends with the supplied vinyl clamps Fig 5 8 28 Two tubes arranged together Liquid tubing Gas tubing Insulation Fig 5 7 li i a eege tape white supplied J a
47. pecial R410A distribution joints CZ purchased separately for outdoor R410A distribution joint unit connections and tubing branches CZ P160BK1U for indoor unit Table 1 10 Ranges that Apply to Refrigerant Tubing Lengths and to Differences in Installation Heights Items Marks Length ft Actual length L1 Max tubing length Equivalent length Difference between max length and min Ee SR AL L2 L3 length from the No 1 distribution joint LA Max length of main tubing at max diameter GK EA Max length of each distribution tube Total max tubing length including length of each distribution tube only narrow tubing When outdoor unit is installed higher than indoor unit L 4 L1 Allowable elevation H1 difference When outdoor unit is installed lower than indoor unit H2 Max difference between indoor units L Length H Height DW 08 322 Mini_ECOiII_NA 11 8 18 3 38 PM Always check the gas density limit for the room in which the unit is installed WARNING 1 10 Check of Limit Density When installing an air conditioner in a room it is neces sary to ensure that even if the refrigerant gas accidentally leaks out its density does not exceed the limit level for that room Pay special attention to any location such as a basement etc where leaking refrigerant can accumulate since refrig erant gas is heavier than air 1 11 Installing Distribution Joint
48. pper tube Outer diameter 1 4 6 35 3 8 9 52 1 2 12 7 5 8 15 88 3 4 19 05 Wall thickness 1 32 0 8 1 32 0 8 1 32 0 8 5 128 1 0 5 128 1 0 1 2 Prevent impurities including water dust and oxide from entering the tubing Impurities can cause R410A refrigerant deterioration and compressor defects Due to the features of the refrigerant and refrigerating machine oil the prevention of water and other impurities becomes more important than ever 2 Be sure to recharge the refrigerant only in liquid form 2 1 Since R410A is a non azeotrope recharging the refrigerant in gas form can lower performance and cause an defects of the unit lt p 2 2 Since refrigerant composition changes and performance decreases when gas leaks collect the remaining refrigerant and recharge the required total amount of new refrigerant after fixing the leak 3 Different tools required 3 1 Tool specifications have been changed due to the characteristics of R410A Some tools for R22 and R407C type refrigerant systems cannot be used R407C tools Manifold gauge Item e compatible Remarks tool with R410A Manifold gauge Yes No Types of refrigerant refrigerating machine oil and pressure gauge are different Charge hose To resist higher pressure material must be changed Use a conventional vacuum pump if it is equipped with a check valve If it has no check valve purchase and attach a vacuum pump adapter Ye
49. r equal to bolt down unit reducing vibration and noise Installation space Distance between obstructions and the unit air inlet and outlet must be as shown below PADI More than 25 64 Inlet side C More than 25 64 W 4 Outlet side More than 3 3 ft STAID LILI SP LI b Fig 2 2 Exhaust fan Hot air VA Out door unit OE Heat source Fig 2 1 Obstruction above unit Air direction chamber field supply 4 XSS UJ Inlet side Sek More than 8 in KVNANAANANANAANAANASN S Obstruction on inlet side IR Ground Fig 2 3 CAUTION 6 Concerning inlet side distance C Fig 2 2 The minimum for distance C is 6 in if there are no obstructions on the outlet side wall 1 side and 2 or 4 is not present In all other cases the minimum for distance is 8 in e Ifthe unit is installed with the outlet side facing wall 1 then there must be no obstruc tions on 2 of the remaining 3 sides 2 3 4 e f wall 1 is on the outlet side Fig 2 2 or if obstructions are present on all 3 sides 2 3 and 4 Fig 2 2 then the minimum distance for A and B is 6 6 ft Fig 2 4 Even if there is no wall on the outlet side a minimum of 3 3 ft is required In case of multiple installations 6 provide a solid base concrete block 4 x 16 in beams or equal a minimum of
50. r unit Unit that is used to system 1 No 1 short circuit the terminal plug CN33 Inter unit control wiring Indoor unit Remote control Remote E PJ communucation vviring Controller No 2 unit settings System address No of indoor units system 2 setting 7 units setting S002 S003 S004 ey 3 Unit Leave the socket that is used to open Outdoor unit No 1 system 2 circuit the terminal plug CN33 Inter unit control wiring E f To other system ES 2 1 22 link wiring Remote control communucation wiring Remote Controller Kl Make settings as appropriate for the cases listed below Refer to the instructions on the following pages Indoor and outdoor unit power can be turned ON for each system separately Case 1 Indoor and outdoor unit power cannot be turned ON for each system separately Automatic address setting in Heating mode Automatic address setting in Cooling mode Fig 7 6 38 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM lt 339 d Automatic Address Setting no compressor operation Indoor and outdoor unit power can be turned ON for each system separately Indoor unit addresses can be set without operating the compressors Automatic Address Setting from Outdoor Unit 1 On the outdoor unit control PCB check that the system address rotary switch S002 is set to 1 and that the DIP switch S003 is set
51. s No Leak detector JYes No Leak detectors for CFC and HCFC that react to chlorine do not function because R410A contains no chlorine Leak detector for HFC134a can be used for R410A Vacuum pump Flaring oil For systems that use R22 apply mineral oil Suniso oil to the flare nuts on the tubing to prevent refrigerant leakage For machines that use R407C or R410A apply synthetic oil ether oil to the flare nuts Using tools for R22 and R407C and new tools for R410A together can cause defects DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN Y5 d 3 2 Use R410A exclusive cylinder only Valve Single outlet valve with siphon tube Liquid refrigerant should be recharged with the cylinder standing on end as shown New refrigerant R410A cannot be used for earlier models 1 Compressor specifications are different If recharging a R22 or R407C compressor with R410A durability will significantly decrease since some of the materials used for compressor parts are different 2 Existing tubing cannot be used especially R22 Completely cleaning out residual refrigerating machine oil is impossible even by flushing 3 Refrigerating machine oil differs R22 Since R22 refrigerating machine oil is mineral oil it does not dissolve in R410A Therefore refrigerating machine oil discharged from the compressor can Cause compressor damage
52. settings Indoor unit setting S004 Rotary switch red IK 1 unit factory setting Kg Set to 1 l KZ No of indoor units L N Examples of refrigerant circuit R C address settings required when link wiring is used System address S003 2 System address No 2P DIP switch blue heen aie a U ZU ON ON System 1 factory setting Both OFF 8 D Set to 1 1 2 OFF 0 System 21 2 ON H NS Set to 1 T D ON d Ld System 30 1 amp 20ON Ka Set to 0 36 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM RN Y37 d 7 4 Auto Address Setting Basic wiring diagram Example 1 e If link wiring is not used The inter unit control wires are not connected to multiple refrigerant systems Indoor unit addresses can be set without operating the compressors No 1 unit settings System address No of indoor units system 1 setting 8 units setting S003 S002 S004 ON ON KZ VON Q 3 NS ES jd l Unit Outdoor Unit No 1 Inter unit control wiring yj Indoor Unit 1 1 1 2 1 3 Q Remote control Remote Controller _ communucation wiring Fig 7 5 1 Automatic Address Setting from the Outdoor Unit 1 On the outdoor unit control PCB check that the system address rotary switch S002 is set to 1 and that the P DIP switch S003 is set to 0 EN These are the settings at the time of factory shipment d 1 2 OFF 2 To set the number of indoor units that are connected to
53. snow depth Fig 2 6 2 The 2 anchoring feet of the outdoor unit should be used for the platform and the platform should be installed beneath the air intake side of outdoor unit 3 The platform foundation must be firm and the unit must be secured with anchor bolts 4 In case of installation on a roof subject to strong wind countermeasures must be taken to prevent the unit from being blown over 15 In regions with significant snowfall the outdoor unit should be provided with a platform and snow proof ducting Without snow With snow proof ducting proof ducting Low platform High platform Fig 2 6 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YI6 p 2 5 Dimensions of Air Discharge Chamber Reference diagram for air discharge chamber field supply 1 Unit front air discharge chamber Unit left side air discharge chamber 11 13 16 3 Unit right side air discharge chamber Reinforcement brackets 4 locations 9 7 16 1 1 8 1 1 8 9 7 16 99 co E A N Q Rectangular Rectangular 2 hole hole o Si D N N Sei A O N N o N 98 Te g N Rectangular Rectangular hole ai hole 22 13132 21 13 32 al 1 Unit in 2 6 Dimensions of Outdoor Unit with Air Discharge Chamber field supply
54. stem separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic Address Setting from Outdoor Unit 1 2 Perform steps 1 and 2 in the same way as for Case 1 Turn the indoor and outdoor unit povver ON at all systems V To perform automatic address setting in Heating mode on the outdoor unit control PCB in the refrigerant system where you wish to set the addresses short circuit the automatic address pin CN51 for 1 second or longer then pull it out Be sure to perform this process for one system at a time Automatic address settings cannot be performed for more than one system at the same time d Communication for automatic address setting begins the compressors turn ON and automatic address setting in heating mode begins All indoor units operate U To cancel again short circuit the automatic address pin CN51 for 1 second or longer then pull it out The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor unit control PCB turn OFF At the outdoor unit in the next different system short circuit the automatic address pin CN51 for 1 second or longer then pull it out D J Repeat
55. t or Indoor unit address setting is duplicated E08 e Remote control address connector RCU ADR is duplicated genee lt lt E09 gt gt Duplication of main remote controller During auto address setting Starting auto address setting is prohibited number of connected units does This alarm message shows that the auto address connector CN100 E12 not correspond to number set is shorted while other RC line is executing auto address operation Error in auto address setting Number of connected indoor units E15 is less than the number set When turning on the power Error in auto address setting Number of connected indoor units E16 supply number of connected is more than the number set units does not correspond to Sg number set No indoor unit is connected during auto address setting E20 Except R C address is O Error of outdoor unit address setting E25 Indoor unit communication error Error of main indoor unit in receiving serial communication signal E18 of group control vviring from sub indoor units Continued 44 DW 08 322 Mini_ECOiII_NA 11 8 18 3 38 PM K VA45 Alarm Possible cause of malfunction message Serial Improper setting This alarm message shows when the indoor unit for multiple use ER communication is not connected to the outdoor unit errors Duplication of main indoor unit address setting in group control lt LO3 gt Mis setti
56. the outdoor unit to 8 on the outdoor unit control PCB set the No of indoor units rotary switch S004 to 8 3 Turn ON the power to the indoor and outdoor units 4 On the outdoor unit control PCB short circuit the automatic address pin CN51 for 1 second or longer then release it 4 Communication for automatic address setting begins l To cancel again short circuit the automatic address pin CN51 for 1 second or longer then pull it out The LED that indicates that automatic address setting is in progress turns OFF and the process is stopped Automatic address setting is completed when LEDs 1 and 2 on the outdoor unit control PCB turn OFF 4 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 to 3 then use the remote controller and complete automatic address setting Refer to Automatic Address Setting from the Remote Controller 37 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YV38 d Basic wiring diagram Example 2 If link wiring is used When multiple outdoor units exist remove the socket that is used to short circuit the terminal plug CN33 from all outdoor unit PCBs except for 1 No 1 unit settings Alternatively move the sockets to the OPEN side System address No of indoor units system 1 setting 6 units setting S003 S002 ON rep D NS nie SS Leave the socket Outdoo
57. through the front rear or right use a nipper or similar tool to cut out the Knockout holes for the inter unit control wiring outlet power wiring outlet and tubing outlet from the appropriate covers A and B Inter unit control wiring 2 If the routing direction is down use a nipper or similar tool to Inspection panel cut out the lower flange from cover A Rear CAUTION 6 Route the tubing so that it does not contact the compressor panel or other parts inside the unit Increased noise will result if the tubing contacts these parts 6 When routing the tubing use a tube bender to bend the tubes Tubing outlet Fig 3 2 21 DW 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM N YV22 d 4 ELECTRICAL WIRING 4 1 General Precautions on Wiring 7 Regulations on wire diameters differ from locality to locality For field wiring rules please refer to your LOCAL ELECTRICAL CODES before begin ning 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit and a power supply disconnect circuit breaker and earth leakage breaker for overcurrent protection should be provided in the exclusive line You must ensure that installation complies with all relevant rules and regulations 8 To prevent malfunction of the air conditioner caused by electrical noise
58. to the unit for at least 5 hours before starting the compressor The bottom of the compressor should be warm to the touch and the crankcase heater around the feet of the compressor should be hot to the touch Fig 7 1 5 Both the gas and liquid tube service valves are open If not open them now Fig 7 2 6 Request that the customer be present for the trial run Explain the contents of the instruction manual then have the customer actually operate the system 7 Be sure to give the instruction manual and warranty certificate to the customer 8 When replacing the control PCB be sure to make all the same settings on the new PCB as were in use before replacement The existing EEPROM is not changed and is connected to the new control PCB ON Power must be turned ON at least 5 hours before attempting test run Power mains switch Fig 7 1 N Df a CI Liquid tube service cap Gas tube service cap Fig 7 2 33 08 322 Mini_ECOi_II_NA 11 8 18 3 38 PM 334 7 2 Test Run Procedure Items to Check Before the Test Run 1 Turn the remote power switch on at least 5 hours before the test in order to energize the crankcase heater 2 Turn the outdoor service valves 2 locations to the full open positions Use caution when making the settings If there are duplicated system addresses or if the settings for the Nos of the indoor units are not consistent a
59. troller to check the indoor unit address lt If 1 indoor unit is connected to 1 remote controller gt 1 Press and hold the button and button for 4 seconds or longer simple settings mode 2 The address is displayed for the indoor unit that is connected to the remote controller Only the address of the indoor unit that is connected to the remote controller can be checked 3 Press the button again to return to normal remote control mode gif multiple indoor units are connected to 1 remote controller group control gt 1 oO oO Press and hold the button and 7 button for 4 seconds or longer simple settings mode 2 ALL is displayed on the remote controller 3 4 The address is displayed for 1 of the indoor units which is connected to the remote controller Check that the fan Next press the button of that indoor unit starts and that air is discharged Press the button again and check the address of each indoor unit in sequence Press the button again to return to normal remote control mode Number changes to indicate which indoor unit is currently selected Remote Controller Test Run Settings 1 x Press the remote controller button for 4 seconds or longer Then press the button TEST appears on the LCD display while the test run is in progress The temperature cannot be adjusted when in Test Run mode This mode places a heavy load on the machines Therefore use it on
60. unication for automatic address setting begins the compressors turn ON and automatic address setting in Cooling mode begins All indoor units operate To cancel again short circuit the automatic address pin CN51 for 1 second or longer then pull it out The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor unit control PCB turn OFF 4 At the outdoor unit in the next different system short circuit the automatic address pin CN51 for 1 second or longer then pull it out p de Repeat the same steps to complete automatic address setting for all units 5 Operation from the remote controllers is now possible Automatic address setting in Cooling mode cannot be done from the remote controller Automatic Address Setting from the Remote Controller Selecting each refrigerant system individually for automatic address setting Automatic address setting for each system Item code A1 e Press the remote controller timer time 4 button and button at the same time Press and hold for 4 seconds or longer e Next press either the temperature setting Ca dD or CY 3 button Check that the item code is A1 e Use either the or button to set the system No to perform automatic address setting Then press the button Automatic address setting for one re

Panasonic Mini ECOi Installation Manual

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