Panasonic ECOi 3 Way Installation Manual

INSTALLATION INSTRUCTIONS3WAY VRF System Air ConditionerThis air conditioner uses the refrigerant R410A.NOTE External diameter of service port R410A:

10 * When bending the tubes, use a bending radius that is at least 4 times the outer diameter of the tubes. In addition, take sufficient care to avoi

11Table 1-10-2 Necessary Amount of Refrigerant Charge Per Outdoor UnitFurther charge a certain amount listed below in addition to the amount of refr

1215 to 30BABATube branching methods (horizontal use)Arrow viewHorizontal lineView as seen from arrowBall valve (BV: purchased separately)Main tubingT

131-13. Optional Distribution Joint KitsSee the installation instructions packaged with the distribution joint kit for the installation procedure.Tabl

14Table 1-14 Dimensions for connections of each partUnit: in.Position A B C D E F G H I JDimension ø1-1/2" ø1-1/4" ø1-1/8" ø1" ø7

1512126451013145-25/329-13/325-55/6453/64 2-63/649-29/6463/6463/642-31/643-15/166-29/648-15/322-31/643-15/165-55/647/161-7/6443/644-21/64 4-21/645-3/6

16911108121326451013145-25/325-55/64 5-55/6443/644-49/645-9/322-3/645-3/643-25/324-1/41-7/647/165-55/649-29/644-21/64 4-21/641-21/3263/6463/642-31/643

17Suspension bolt (3/8" or M10) (field supplied)Nut (field supplied) (3/8" or M10)WasherM4 screws (12 pcs.)Suspension hookNOTENotes on Insta

181-15. Example of Tubing Size Selection and Refrigerant Charge AmountAdditional refrigerant chargingBased on the values in Tables 1-3, 4, 5, 9 and 1

19● Obtain liquid tubing size from Tables 1-3, 4, 5 and 9.Main tubingLA = ø5/8 (ft.) (Total capacity of indoor unit is 179,400 BTU/h) The longest tu

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

202. SELECTING THE INSTALLATION SITE2-1. Outdoor UnitAVOID:● heat sources, exhaust fans, etc.● damp, humid or uneven locations● indoors (no-venti

212-2. Removing Fin Guard for Heat ExchangerAfter installation of the outdoor unit, detach the fin guard for heat exchangers as following steps.1. C

222-6. Dimensions of Wind DuctingReference diagram for air-discharge chamber (field supply) 33-3/16 33-3/16 33-3/1633-3/1621106-1/8106-1/8106-1/874-1

232-7. Dimensions of Snow DuctingReference diagram for snow-proof ducting (field supply) 106-1/8106-1/87474-1/16(32-1/8)Air direction: Front directio

243. HOW TO INSTALL THE OUTDOOR UNIT3-1. TransportingWhen transporting the unit, have it delivered as close to the installation site as possible wit

25Fig. 3-73-3. Remove the Brackets Used for Transport● After installing the unit, remove the 2 transport brackets from the front and rear (4 brackets

263-5. Prepare the Tubing● Material: Use C1220 phosphorous deoxidized copper as described in JIS H3300, “Copper and Copper Alloy Seamless Pipes and

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

284. ELECTRICAL WIRING 4-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then c

29****21 2121BCAL1L2L1L2L1L2L1L221ABAAU2U1L2L1R2R1U2U1L2L1R2R1U2U1L2L1R2R1U2U1L2L121B13RemoteControllerCONNECTOR2P(WHT)RC(BLU)WHTBLKWHTBLKWHTBLKWHTBLK

3When ServicingTurn the power OFF at the main power box (mains) • before opening the unit to check or repair electrical parts and wiring.Keep your fi n

30(1) When linking outdoor units in a network, disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the o

31Fig. 4-4Stranded wire Ring pressure terminal Strip 3/8"Fig. 4-5Wire Special washer Screw Ring pressure terminal Terminal plate Screw and Spe

325. HOW TO PROCESS TUBINGThe liquid tubing side is connected by a flare nut, and the gas tubing side is connected by brazing.5-1. Connecting the Re

33Caution Before Connecting Tubes Tightly(1) Apply a sealing cap or water-proof tape to prevent dust or water from entering the tubes before they are

34Unit side insulator Insulation tape (white) (supplied) Sealer (supplied) Flare insulator (supplied) Tube insulator (not supplied) Heat resistant 248

35Fig. 5-9Fig. 5-105-4. Taping the Tubes(1) At this time, the refrigerant tubes (and electrical wiring if local codes permit) should be taped togethe

36Fig. 6-1aFig. 6-2Fig. 6-1bFig. 6-36. AIR PURGINGAir and moisture in the refrigerant system may have undesirable effects as indicated below.● press

37Fig. 6-4(3) Do a leak test of all joints of the tubing (both indoor and outdoor) and all service valves. Bubbles indicate a leak. Wipe off the soap

38Fig. 6-5Fig. 6-6(2) When the desired vacuum is reached, close the “Lo” knob of the manifold valve and turn off the vacuum pump. Please confirm that

397. TEST RUN7-1. Preparing for Test Run● Before attempting to start the air conditioner, check the following.(1) The control wiring is correctly c

41-2. Prevent impurities including water, dust and oxide from entering the tubing. Impurities can cause R410A refrigerant deterioration and compresso

407-2. Test Run ProcedureFig. 7-3Recheck the items to check before the test run.Have the outdoor sub units been connected?Set the unit address.Set th

41CN003CN101CN100S003 S002S004S005S006S007Fig. 7-47-3. Main Outdoor Unit PCB SettingW-3WAY_ECO-i_U.indb 41W-3WAY_ECO-i_U.indb 41 2011/11/07 16:

42Examples of the No. of indoor units settings (S005, S004) ●No. of indoor unitsIndoor unit setting (S005) (3P DIP switch, blue) 10 20 30Indoor unit s

437-4. Auto Address SettingBasic wiring diagram: Example (1)s If link wiring is not used(The inter-unit control wires are not connected to multiple

44Fig. 7-61-1 1-29-22-21-231-13-12921ON3ON123ON123321ONON123ON122ON1311ON32ON122ON13321ONONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFONOFFOFFONAutoma

45Case 2 Automatic Address Setting (no compressor operation)● Indoor and outdoor unit power can be turned ON for each system separately.Indoor unit

46Case 3A Automatic Address Setting in Heating Mode● Indoor and outdoor unit power cannot be turned ON for each system separately. In the following

47Case 3B Automatic Address Setting in Cooling Mode● Indoor and outdoor unit power cannot be turned ON for each system separately. In the following

48is blinking LED 1 LED 2 ( : ON : Blinking : OFF) Display meaning After the power is turned ON (and automatic address setting is not in progress

49Request concerning recording the indoor/outdoor unit combination Nos. After automatic address setting has been completed, be sure to record them for

5Valve Liquid 3-2. Use R410A exclusive cylinder only.Single-outlet valve(with siphon tube)Liquid refrigerant should be recharged with the cylinder sta

507-7. Meaning of Alarm MessagesTable of Self-Diagnostics Functions and Description of Alarm DisplaysAlarm messages are indicated by the blinking of

51Possible cause of malfunctionAlarm messageActivation of protective deviceProtective device in indoor unit is activated.Thermal protector in indoor u

52Alarm messages displayed on system controllerSerial communication errors Mis-settingError in transmitting serial communication signalIndoor or main

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6CONTENTSPage Page IMPORTANT! ... 2Please Read Before StartingCheck of Density LimitPreca

71-2. Accessories SuppliedSee Table 1-1.1-1. Tools Required for Installation (not supplied) 1. Flathead screwdriver 2. Phillips head screwdriver 3.

81-5. Tubing LengthSelect the installation location so that the length and size of refrigerant tubing are within the allowable range shown in the fi gu

91-6. Tubing SizeTable 1-3 Main Tubing Size (LA)Unit: in. (mm)BTU/h (kW)72,000 (21.1)96,000 (28.1)139,000 (40.7)168,000 (49.2)192,000 (56.3)203,000 (