Mitsubishi Electric PKA-A-GA - Manuals

Page 2 - : Indicates a part which must be grounded.

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 beforeconnecting this equipment to the power supply system. Warning: Describes precautions that must be observed to prevent danger of injury ordeath to t...

Page 3 - Setting the wall mounting fixture and piping positions

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 A E F G H 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 ...

Page 4 - Installing the indoor unit; as shown by the arrows.; embedded cooling pipe.

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 mountinglocation requires thorough consideration. If the wall does not seem to bestrong enough, reinforce it with boards or beams before installation. s The ...

Page 5 - Installing the refrigerant piping; applied to the flared sections.; Use correct flare nuts meeting the pipe size of the outdoor unit.; Available pipe size

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 con...

Page 6 - Positioning refrigerant and drain piping; Cut the knockout holes using a saw blade or an adequate knife.; Indoor unit

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. ø26 mm, 1-1/32inch...

Page 7 - Simultaneous twin system; Circuit; H I

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 Terminal block cover 4. Connect each wire properly to the terminal block.• In consideration of future servicing, p...

Page 8 - Indoor unit specifications; the units according to the wiring method.

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 pattern...

Page 9 - Main indoor; Connectors

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 supp...

Page 10 - MODEL SELECT

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: Two pi...

Page 11 - ) Wireless remote controller pair number setting operation; Mode number; Function setting on the remote controller

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) Ea...

Page 12 - TEST RUN; steps; D B

12 6. Electrical work Function table Select unit number 00 ModePower failure automatic recovery Indoor temperature detecting LOSSNAY connectivity Power voltage Auto mode (only for PUHZ) SettingsNot availableAvailable *1 Indoor unit operating averageSet by indoor unit’s remote controllerRemote contro...

Page 13 - E D

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 Turn 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 s...

Page 15 - Maintenance mode operation procedures; Stable operation

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 C o m p r e s s o rinformation COMP ONx10 HOURS COMP ONx...

Page 16 - Printed in Japan

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. H E A D O F F I C E : TOKYO B L D G . , 2 -7- 3 , M A RU N O U C H I , C H I YO ...