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Air-Conditioners
PKA-A·GA
PKA-A·GAL
FOR INSTALLER
INSTALLATION MANUAL
English
For safe and correct use, read this manual and the outdoor unit installation manual thoroughly before installing
the air-conditioner unit.
PARA EL INSTALADOR
MANUAL DE INSTALACIÓN
Español
Para un uso correcto y seguro, lea detalladamente este manual y el manual de instalación de la unidad exterior
antes de instalar la unidad de aire acondicionado.
BG79U874H01_cover 1 05.10.19, 11:16
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Contents 1. Safety precautions ................................................................................... 2 5. Drainage piping work ............................................................................... 6 2. Installation location .................................................................................. 3 6. Electrical work .......................................................................................... 7 3. Installing the indoor unit .........................
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2. Installation location D 2.1. Outline dimensions (Indoor unit) (Fig. 2-1) Select a proper position allowing the following clearances for installation and mainte- nance. (mm) (inch) H Models W D H AE FGH 990 235 340 Min. 30 Max. 130 Min. 180 Min. 50 Min. 150 A12, A18 39 9-1/4 13-3/8 Min. 1-13/16 Max. 5 Max. 7-3/32 Min. 1-31/32 Min. 5-29/32 W B B Ceiling A C Wall D Furnishing, etc C Warning: Mount the indoor unit on a ceiling strong enough to withstand the weight of the F unit. D G H 2.2. Outli
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3. Installing the indoor unit 1 3.2.3. Installing the wall mounting fixture s Since the indoor unit weighs near 30 kg, 66 lbs selection of the mounting C location requires thorough consideration. If the wall does not seem to be strong enough, reinforce it with boards or beams before installation. B A s The mounting fixture must be secured at both ends and at the centre, if A Min. 140 mm, possible. Never fix it at a single spot or in any nonsymetrical way. 5-1/2 inch (If possible, secure the fixt
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R1-64 to R1/32 4. Installing the refrigerant piping 4.1. Precautions 4.1.1. For devices that use R410A refrigerant • Use ester oil, ether oil, alkylbenzene oil (small amount) as the refrigeration oil applied to the flared sections. • Use C1220 copper phosphorus, for copper and copper alloy seamless pipes, to connect the refrigerant pipes. Use refrigerant pipes with the thicknesses specified in the table to the below. Make sure the insides of the pipes are clean and do not contain any harmful con
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4. Installing the refrigerant piping 1 (inch) 4.3. Positioning refrigerant and drain piping 1 Position of refrigerant and drain piping (Fig. 4-2) • The drain pipe can be cut midway to meet the on-site conditions. C A (Total length of flexible hose) D Drain hose E 2-1/8 B Liquid pipe E Left-side piping 1-3/8 22-7/8 B 17-11/16 3-3/8 B C Gas pipe F Right-side piping D 2 Determine the position of the knockout holes on the unit body. (Fig. 4-3) C 27-9/16A F 6-1/32 D s Cut the knockout holes using a s
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6. Electrical work 6.1. Indoor unit (Fig. 6-1) 1. Remove the corner box. F A 2. Install each wire into the unit. 3. Open the front grill, remove 1 tapping screw and remove the terminal block cover. A Terminal block cover B 4. Connect each wire properly to the terminal block. • In consideration of future servicing, please leave some leeway for the wiring length. 5. Put all the parts back the way they were. 6. Use a clamp from the bottom of the electric parts box to fasten each wire. C s Fix power
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CND BLUE YELLOW YELLOW BLUE CND BLUE YELLOW BLUE YELLOW 6. Electrical work 6.1.2. Separate indoor unit/outdoor unit power supplies (A-control application) The following connection patterns are available. The outdoor unit power supply patterns vary on models. 1:1 System A Outdoor unit power supply B Wiring circuit breaker or isolating switch C Outdoor unit F C D Indoor unit/outdoor unit connecting cords L1 L1 E Remote controller (Only for PKA-A·GA) L2 G L2 A B B F Indoor unit GR GR S1 S1 G Indoor
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CND CND BLUE YELLOW BLUE BLACK YELLOW BLUE BLACK BLACK BLUE YELLOW BLUE BLACK BLUE YELLOW BLUE BLUE 6. Electrical work 6.1.3. K-control application The following connection patterns are available. The outdoor unit power supply patterns vary on models. 1:1 System A Outdoor unit power supply B Wiring circuit breaker or isolating switch C Outdoor unit F G C C D Indoor unit/outdoor unit connecting cords L1 L1 L1 L1 E Remote controller (Only for PKA-A·
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6. Electrical work B 6.2. Remote controller A 6.2.1. For wired remote controller (inch) 1) Installing procedures (1) Select an installing position for the remote controller. (Fig. 6-2) The temperature sensors are located on both remote controller and indoor unit. 1-3/16 1-3/16 s Procure the following parts locally: D C 1-37/64 A Two piece switch box E Thin copper conduit tube Lock nuts and bushings F A Remote controller profile I G C B Required clearances surrounding the remote controller H C In
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6. Electrical work 4) Assigning a remote controller to each unit (Fig. 6-7) Each unit can be operated only by the assigned remote controller. Make sure each pair of an indoor unit PC board and a remote controller is assigned A MODEL SELECT to the same pair No. 5) Wireless remote controller pair number setting operation 1 Press the SET button with something sharp at the end. ON/OFF TEMP Start this operation from the status of remote controller display turned off. blinks and Model No. is lighted
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6. Electrical work Function table Select unit number 00 Mode Settings Mode no. Setting no. Initial setting setting Power failure automatic recovery Not available 1 01 Available *1 2 Indoor temperature detecting Indoor unit operating average 1 Set by indoor unit’s remote controller 02 2 Remote controller’s internal sensor 3 LOSSNAY connectivity Not Supported 1 Supported (indoor unit is not equipped with outdoor-air intake) 03 2 Supported (indoor unit is equipped with outdoor-air intake) 3 Power v
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7. Test run 7.2.3. Using SW4 in outdoor unit Refer to the outdoor unit installation manual. B E D A B 7.3. Self-check 7.3.1. Wired remote controller (Fig. 7-3) 1 Turn on the power. CHECK 2 Press the [CHECK] button twice. 3 Set refrigerant address with [TEMP] button if system control is used. ERROR CODE 4 Press the [ON/OFF] button to stop the self-check. TEMP. ON/OFF ON/OFF TEMP A CHECK button C MENU ON/OFF FILTER 4 B Refrigerant address BACK MONITOR/SET DAY CHECK TEST C TEMP. button PAR-21MAA
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7. Test run [Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.) Wired remote Wireless remote controller controller Beeper sounds/OPERATION Symptom Remark INDICATOR lamp flashes Check code (Number of times) 1 E9 Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit) 2 UP Compressor overcurrent interruption 3 U3, U4 Open/short of outdoor unit thermistors 4 UF Compressor overcurrent interruption (When compressor locked) 5 U2 Abnormal high disc
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8. Easy maintenance function [This function only for A-control] Display example (Comp discharge temperature 147°F) By using the maintenance mode, you can display many types of maintenance data on the remote controller such as the heat exchanger temperature and compressor A C B current consumption for the indoor and outdoor units. This function can be used whether the air conditioner is operating or not. During air conditioner operation, data can be checked during either normal operation or maint
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This product is designed and intended for use in the residential, commercial and light-industrial environment. Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Printed in Japan BG79U874H01 BG79U874H01_cover 2 05.10.19, 11:16
