Panasonic ECOi 2 Way Installationshandbuch

External diameter of service port R410A: 5/16"NOTEThis air conditioner uses the refrigerant R410A.INSTALLATION INSTRUCTIONS2WAY VRF System Air C

101-9. System LimitationsMax. No. allowable connected outdoor units 3 *1Max. capacity allowable connected outdoor units 288,000 BTU/h (24 ton, 84.4

WARNINGAlways check the gas densitylimit for the room in which theunit is installed.1-10. Check of Limit DensityWhen installing an air conditioner in

121-12. Optional Distribution Joint KitsSee the installation instructions packaged with the distribution joint kit for the installation procedure.Tab

134-21/64 3-13/16 4-21/64 3-13/16 4 6 / 3 5 - 2 4 6 / 3 5 - 2 Insulation B A D B B C C C DE A C D E CDistr ib utio n Joint Insulation Distr ib utio n

1-13. Example of Tubing Size Selection and Refrigerant Charge Amount 1 2 3 4 LA LB LC A B Outdoor unit 96 type 96 type48 type 48 type 48 type36

●Obtain liquid tubing size from Tables 1-3, 4, 5, 7 and 10-1.Main tubingLA = ø5/8 (ft.) (Total capacity of indoor unit is 179,400 BTU/h) The longest t

16Fig. 2-1Fig. 2-2Fig. 2-32. SELECTING THE INSTALLATION SITE2-1. Outdoor UnitAVOID:●heat sources, exhaust fans, etc.●damp, humid or uneven locations

2-3. Shield for Horizontal Exhaust DischargeIt is necessary to install an air-discharge chamber (fieldsupply) to direct exhaust from the fan horizont

33-3/16 33-3/16 33-3/1633-3/1621106-1/8106-1/8106-1/874-1/1674-1/1674-1/16(32-1/8)(32-1/8)35-1/4(Maximum bracket dimensions)35(Ceiling panel dimension

106-1/8106-1/87474-1/16(32-1/8)Air direction: Front directionAir direction:Right directionCeiling panel Ceiling panelTop view (Before installation of

2IMPORTANT! Please Read Before StartingThis air conditioning system meets strict safety and oper-ating standards. As the installer or service person,

3. HOW TO INSTALL THE OUTDOOR UNIT3-1. TransportingWhen transporting the unit, have it delivered as close to the installation site aspossible withou

21Fig. 3-6Remove 2 screwsTubing coverBottomFrontRemove 11 panel screws from front panelUse cutting pliers or similar tool to cut cover outFig. 3-5Inde

223-4. Prepare the Tubing● Material: Use C1220 phosphorous deoxidized copper as described in JIS H3300, “Copper and Copper Alloy Seamless Pipesand Tu

23● Precautions for brazingBe sure to replace the air inside the tube with nitrogen to prevent oxide film from forming during the brazing process. Be

24Control wiring (A) Inter-unit (between outdoor and indoor units) control wiring*(B) Remote control wiring (C) Control wiring for group control (D

21B13Remote ControllerCONNECTOR2P (WHT)RC(BLU)WHTBLKWHTBLKWHTBLKWHTBLK* Disconnect switch (Field Supply)******U2U1L2L1R2R1423121WHTRemote Controller

26Outdoor unit Outdoor unit Outdoor unitIndoor unit Indoor unit Indoor unit Indoor unitIndoor unitmore than 3.3 ft.more than 3.3 ft.Branchpoint16 or f

27Fig. 4-4Stranded wireRingpressureterminalStrip 3/8"Fig. 4-5Screw and Special washerRingpressureterminalWireTerminal plateRing pressure terminal

285. HOW TO PROCESS TUBINGThe liquid tubing side is connected by a flare nut, and thegas tubing side is connected by brazing.5-1. Connecting the Ref

29Caution Before Connecting Tubes Tightly(1) Apply a sealing cap or water-proof tape to prevent dustor water from entering the tubes before they are u

3t o a r h nt w n n-Check of Density LimitThe room in which the air conditioner is to beinstalled requires a design that in the event of refrig-erant

30Unit sideinsulatorInsulation tape (white)(supplied)Sealer (supplied)Flare insulator (supplied)Tube insulator(not supplied)Heat resistant248°F or abo

31Fig. 5-9Fig. 5-105-4. Taping the Tubes(1) At this time, the refrigerant tubes (and electrical wiringif local codes permit) should be taped together

32Fig. 6-1Fig. 6-2Fig. 6-36. AIR PURGINGAir and moisture in the refrigerant system may have undesirable effects as indicated below.●pressure in the s

33Fig. 6-4(4) Do a leak test of all joints of the tubing (both indoor andoutdoor) and both gas and liquid service valves. Bub-bles indicate a leak. Wi

34Fig. 6-5Fig. 6-6(2) When the desired vacuum is reached, close the “Lo” knob ofthe manifold valve and turn off the vacuum pump. Pleaseconfirm that th

357. TEST RUN7-1. Preparing for Test Run●Before attempting to start the air conditioner, checkthe following.(1) All loose matter is removed from the

Does system operate? NO *2 *1 *3 *2 *3 *4 *4 CASE 3A YES YES NO YES NO NO NO YES YES YES Refer to Fig. 7-4Recheck the items to check before the test r

377-3. Main Outdoor Unit PCB SettingCN003CN101CN100S003 S002S004S005S006S007Fig. 7-4

38Examples of the No. of indoor units settings (S005, S004)z2321ON1ONON312321ON311111ON123ON123ON123ON12321ON21ONON1221ON1100ON123ONOFFONOFFONOFFONOFF

7-4. Auto Address Setting1. Auto Address SettingBasic wiring diagram: Example (1)• If link wiring is not used(The inter-unit control wires are not c

Newtool?1-2. Prevent impurities including water, dust and oxide from entering the tubing. Impurities can cause R410A refriger-ant deterioration and co

401-1 1-29-22-21-231-13-123921ON3ON123ON123321ONON123ON122ON1311ON32ON122ON13321ONONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFOFFONAutomatic add

41Case 2 Automatic Address Setting (no compressor operation)Indoor and outdoor unit power can be turned ON for each system separately.Indoor unit ad

42Automatic Address Setting in Heating Mode● Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automati

43Automatic Address Setting in Cooling Mode● Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automati

44is blinkingLED 1 LED 2( : ON : Blinking : OFF)Display meaningAfter the power is turned ON (and automatic address setting is not in progress), no

45Request concerning recording the indoor/outdoor unit combination Nos. After automatic address setting has been completed, be sure to record them for

46CAUTION● This outdoor unit cannot collect more than the ratedrefrigerant amount as shownby the nameplate on the back.● If the amount of refrigerant

7-7. Meaning of Alarm MessagesTable of Self-Diagnostics Functions and Description of Alarm DisplaysAlarm messages are indicated by the blinking of LE

Possible cause of malfunction Protectivedevice forcompressor isactivatedCurrent is not detected when comp. No. 1 is ON.EEP ROM on indoor unit PCB fail

Alarm messages displayed on system controllerIndoor or main outdoor unit is not operating correctly.Mis-wiring of control wiring between indoor unit,

5ValveLiquid3-2. Use R410A exclusive cylinder only.Single-outlet valve(with siphon tube)Liquid refrigerant should be rechargedwith the cylinder standi

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DC0811-21111Printed in Japan

6IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Please Read Before StartingCheck of Density LimitPrecautions for Installation

7Table 1-1 Outdoor Unit1-2. Accessories SuppliedSee Table 1-1.1-1. Tools Required for Installation (not supplied)1. Flathead screwdriver2. Phillips

Explanation of symbolsDistribution joint (CZ :purchased separately)Solidly welded shut (pinch weld)Balance tubing(ø1/4")Ball valve (field supply)

18192,000(56.3)16672,000(21.1)96,000(28.1)8U-72ME1U9(E)U-72ME1U9(E)U-72ME1U9(E)U-96ME1U9(E)U-96ME1U9(E)U-96ME1U9(E)U-72ME1U9(E)U-72ME1U9(E)U-72ME1U9(E