Mitsubishi Electric PLA-A-AA - Manual

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

2 1.2. Before installation or relocation Caution: • Be extremely careful when transporting the units. Two or more persons are needed to handle the unit, as it weighs 20 kg, 44lbs or more. Do not grasp thepackaging bands. Wear protective gloves as you can injure your hands onthe fins or other parts. ...

Page 3 - Ceiling openings and suspension bolt installation; Install the indoor unit at least 2.4 m, 8 ft above floor or grade level.

3 2. Installation location Refer to the outdoor unit installation manual. 3. Installing the indoor unit 3.1. Check the indoor unit accessories (Fig. 3-1) The indoor unit should be supplied with the following accessories. Accessory name Q’ty 1 Installation template 1 2 Washers (with insulation) 4 Was...

Page 4 - Installing the indoor unit; F G

4 3. Installing the indoor unit A Unit B Grille C Pillar D Ceiling E Rafter F Beam G Roof beam H Use inserts rated at 100-150 kg,250-350 lbs each (procure locally) I Suspension bolts M10 (3/8”) (procurelocally) J Steel reinforcing rod A B C J H I D E F G 23-13/16 31-57/64 1 2 Fig. 3-5 3.5. Suspensio...

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

5 B 90 ° ± 0.5 ° ø A R1/64 to R1/32 A 45 °± 2 ° 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 ...

Page 6 - Heat insulation for refrigerant pipes:; Refer to the outdoor unit installation manual.; or more downward slope.; D E

6 4.3. Indoor unit (Fig. 4-2) Heat insulation for refrigerant pipes: 1 Wrap the enclosed large-sized pipe cover around the gas pipe, making sure thatthe end of the pipe cover touches the side of the unit. 2 Wrap the enclosed small-sized pipe cover around the liquid pipe, making surethat the end of t...

Page 7 - Simultaneous twin system; Circuit

7 6. Electrical work 6.1. Indoor unit (Fig. 6-1) 1. Remove the two electrical wiring service panels.2. Wire the power cable and control cable separately through the respective wiring entries given in the diagram. • Do not allow slackening of the terminal screws . • Leave excess cable so that the ele...

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

8 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 S1S2 L1L2 GR GR 12 L1L2 S1S2S3 S3 A B C G D B E F * Affix a label B that is included ...

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 A 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 ...

Page 11 - ) Wireless remote controller pair number setting operation

11 1 2 3 4 ⁄ Mode number ⁄ Setting number ⁄ Refrigerant address ⁄ Unit number 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 1 2 4 3 4 1 1 2 A Pair No. of wireless remote controller Indoor PC board 0 Factory setting 1 Cut J41 2 Cut J42 3...

Page 12 - TEST RUN; steps; H G

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 PUZ) SettingsNot availableAvailable *1 Indoor unit operating averageSet by indoor unit’s remote controllerRemote control...

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 - Installing the grille

15 9.4. Installing the grille 9.4.1. Preparations (Fig. 9-5) • Install the two enclosed screws with washer 2 in the main unit (at the corner drain pipe area and at the opposite corner) as shown in the diagram. Fig. 9-5 19/32 to 25/32 A B 9.3. Selection of the air outlets For this grille the discharg...

Page 16 - Fixing gaps between the grille and the ceiling; refrigerant piping section of the main unit.

16 E A D C B CN90 A C D E F I G H A C D B A Main unit B Detailed diagram of installed screw withwasher 2 . C Corner drain pipe area D Screw with washer 2 (for temporary use) E Grille F Screw with washer 2 G Hole A H Hole B I Bell shaped hole Fig. 9-6 9.4.2. Temporary installation of the grille (Fig....

Page 17 - Maintenance mode operation procedures; Stable operation

17 9. Installing the grille C A B A Screw (4 × 8) 5 B Corner panel C Safety wire D H G E F Fig. 9-11 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 ...

Page 18 - 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 ...

Mitsubishi Electric PLA-A-AA - Manual

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