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Mitsubishi Electronics PKA-A-GA - page 1
Air -Conditioner s PKA-A·GA PKA-A·GAL English INST ALLA TION MANU AL For safe and correct use, read this manual and the outdoor unit installation manual thoroughly before installing the air-conditioner unit. FOR INSTALLER Español MANU AL DE INST ALA CIÓN Para un uso correcto y seguro, lea detalladamente este manual y el manual de instalación d ...
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Mitsubishi Electronics PKA-A-GA - page 2
2 s Before installing the unit, make sure you read all the “Safety precau- tions”. s Please report to your supply authority or obtain their consent before connecting this equipment to the power supply system. W arning: Describes precautions that must be observed to prevent danger of injury or death to the user . Caution: Describes precautions t ...
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Mitsubishi Electronics PKA-A-GA - page 3
3 2.1. Outline dimensions (Indoor unit) (Fig. 2-1) Select a proper position allowing the following clearances for installation and mainte- nance. (inch) Models W D H AE FGH A12, A18 990 235 340 Min. 30 Max. 130 Min. 180 Min. 50 Min. 150 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 B Ceiling C Wall D Furnishing, etc W ar ...
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Mitsubishi Electronics PKA-A-GA - page 4
4 3. Installing the indoor unit 3.2.3. Installing the wall mounting fixture s Since the indoor unit weighs near 30 kg, 66 lbs selection of the mounting location requires thorough consideration. If the wall does not seem to be strong enough, reinforce it with boards or beams before installation. s The mounting fixture must be secured at both ends an ...
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Mitsubishi Electronics PKA-A-GA - page 5
5 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 pi ...
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Mitsubishi Electronics PKA-A-GA - page 6
6 Fig. 5-1 5. Drainage piping work A B C 5.1. Drainage piping work (Fig. 5-1) • Drain pipes should have an inclination of 1/100 or more. • For extension of the drain pipe, use a soft hose (inner dia. 15 mm, 19/32 inch) available on the market or hard vinyl chloride pipe (VP-20/O.D. ø 26 mm, 1-1/32 inch PVC TUBE). Make sure that there is no wat ...
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Mitsubishi Electronics PKA-A-GA - page 7
7 Fig. 6-1 6.1. Indoor unit (Fig. 6-1) 1. Remove the corner box. 2. Install each wire into the unit. 3. Open the front grill, remove 1 tapping screw and remove the terminal block cover. A T erminal block cover 4. Connect each wire properly to the terminal block. • In consideration of future servicing, please leave some leeway for the wiring lengt ...
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Mitsubishi Electronics PKA-A-GA - page 8
8 S1 S2 S3 L1 L2 GR BLUE BLUE YELLOW YELLOW CND CND ORANGE CND ORANGE S1 S2 S3 L1 L2 GR YELLOW BLUE BLUE YELLOW CND 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 S1 S2 L1 L2 GR GR 1 ...
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Mitsubishi Electronics PKA-A-GA - page 9
9 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 * Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units. A Outdoor unit power supply B Wiring circuit breaker or isolating switch C ...
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Mitsubishi Electronics PKA-A-GA - page 10
10 6. Electrical work 6.2. Remote controller 6.2.1. For wired remote controller 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. s Procure the following parts locally: T wo piece switch box Thin copper conduit tube Lock nut ...
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Mitsubishi Electronics PKA-A-GA - page 11
11 PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF A B D C G E F 4 1 2 1 3 4 1 2 A Pair No. of wireless remote controller Indoor PC board 0 Factory setting 1 Cut J41 2 Cut J42 3 – 9 Cut J41, J42 4) Assigning a remote controller to each unit (Fig. 6-7) Each unit can be operated only by the assigned r ...
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Mitsubishi Electronics PKA-A-GA - page 12
12 6. Electrical work Function table Select unit number 00 Mode Power failure automatic recovery Indoor temperature detecting LOSSNA Y connectivity Power voltage Auto mode (only for PUHZ) Settings Not available Available *1 Indoor unit operating average Set by indoor unit ’ s remote controller Remote controller ’ s internal sensor Not Supported ...
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Mitsubishi Electronics PKA-A-GA - page 13
13 7.2.3. Using SW4 in outdoor unit Refer to the outdoor unit installation manual. 7.3. Self-check 7.3.1. Wired remote controller (Fig. 7-3) 1 T urn on the power . 2 Press the [CHECK] button twice. 3 Set refrigerant address with [TEMP] button if system control is used. 4 Press the [ON/OFF] button to stop the self-check. A CHECK button B Refrigerant ...
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Mitsubishi Electronics PKA-A-GA - page 14
14 • If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause. Symptom Cause Wired remote controller LED 1, 2 (PCB in outdoor unit) PLEASE W AIT PLEASE W AIT → Error code Display messages do not appear even when operation switch is turned ON (operation lamp does not li ...
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Mitsubishi Electronics PKA-A-GA - page 15
15 Maintenance mode operation procedures (1) Press the TEST button for three seconds to activate the maintenance mode. (2) Press the TEMP . buttons to set the refrigerant address. MAINTENANCE (3) Select the data you want to display . MENU ON/OFF Compressor information COMP ON x10 HOURS COMP ON x100 TIMES COMP ON CURRENT (A) Cumulative operation tim ...
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Mitsubishi Electronics PKA-A-GA - page 16
Please be sure to put the contact address/telephone number on this manual before handing it to the customer. This product is designed and intended for use in the residential, commercial and light-industrial environment. HEAD OFFICE: T OK Y O BLDG., 2-7 -3, MAR UNOUCHI, CHIY ODA-KU , T OKY O 100-8310, JAP AN Printed in Japan BG79U874H01 BG79U874H01_ ...
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