Instruction/ maintenance manual of the product PKA-A-GA Mitsubishi Electronics
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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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 out.
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.
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.
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If you already are a holder of Mitsubishi Electronics PKA-A-GA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Mitsubishi Electronics PKA-A-GA.
However, one of the most important roles played by the user manual is to help in solving problems with Mitsubishi Electronics PKA-A-GA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Mitsubishi Electronics PKA-A-GA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
