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Mitsubishi Electronics PLA-A-AA - page 1
Air -Conditioner s PLA-A·AA Deutsch Nederlands Español Italiano ÏÏËÓÈο Português Dansk Svenska English Español 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. MANU AL DE INST ALA CIÓN Para un uso correcto y seguro, lea deta ...
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Mitsubishi Electronics PLA-A-AA - page 2
2 1.2. Before installation or relocation Caution: • Be extremely careful when transporting the units. Tw o or more persons are needed to handle the unit, as it weighs 20 kg, 44lbs or more. Do not grasp the packaging bands. Wear protective glo ves as you can injure y our hands on the fins or other parts. • Be sure to safely dispose of the pac ka ...
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Mitsubishi Electronics PLA-A-AA - page 3
3 2. Installation location Refer to the outdoor unit installation man ual. 3. Installing the indoor unit 3.1. Check the indoor unit accessories (Fig. 3-1) The indoor unit should be supplied with the follo wing accessories. Accessory name Q ’ ty 1 Installation template 1 2 Washers (with insulation) 4 Washers (without insulation) 4 3 Pipe cov er (f ...
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Mitsubishi Electronics PLA-A-AA - page 4
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 ” ) (procure locally) 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. Suspension structure (Give site of suspension strong ...
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Mitsubishi Electronics PLA-A-AA - page 5
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 copper and copper alloy seamless pipes, ...
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Mitsubishi Electronics PLA-A-AA - page 6
6 4.3. Indoor unit (Fig. 4-2) Heat insulation for refrigerant pipes: 1 Wrap the enclosed large-sized pipe co ver around the gas pipe, making sure that the end of the pipe cov er touches the side of the unit. 2 Wrap the enclosed small-sized pipe co ver around the liquid pipe , making sure that the end of the pipe cov er touches the side of the unit. ...
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Mitsubishi Electronics PLA-A-AA - page 7
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 cab le separately through the respective wiring entries given in the diagram. • Do not allow slack ening of the ter minal screws . • Leav e excess cab le so that the electrical box can be suspended belo w the ...
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Mitsubishi Electronics PLA-A-AA - page 8
8 6. Electrical work 6.1.2. Separate indoor unit/outdoor unit power supplies (A-contr ol 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 2 L1 L2 S1 S2 S3 S3 A B C G D B E F * Affix a label B that is included with the manuals near each wiring diagram ...
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Mitsubishi Electronics PLA-A-AA - 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 f or the indoor and outdoor units. A Outdoor unit power supply B Wiring circuit breaker or isolating switch ...
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Mitsubishi Electronics PLA-A-AA - page 10
10 A 6. Electrical work 6.2. Remote controller 6.2.1. For wired remote controller 1) Installing procedures (1) Select an installing position f or 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 w o piece switch bo x Thin copper conduit tube Lo ...
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Mitsubishi Electronics PLA-A-AA - page 11
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 P air No . of wireless remote controller Indoor PC board 0 F actory setting 1 Cut J41 2 Cut J42 3 – 9 Cut J41, J42 4) Assigning a remo ...
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Mitsubishi Electronics PLA-A-AA - page 12
12 6. Electrical work Function table Select unit number 00 Mode P ower f ailure automatic recov ery Indoor temperature detecting LOSSNA Y connectivity P ower v oltage Auto mode (only f or PUZ) Settings Not available A vailable * 1 Indoor unit operating average Set by indoor unit ’ s remote controller Remote controller ’ s internal sensor Not Su ...
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Mitsubishi Electronics PLA-A-AA - page 13
13 7.2.3. Using SW4 in outdoor unit Refer to the outdoor unit installation man ual. 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-chec k. A CHECK button B Refriger ...
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Mitsubishi Electronics PLA-A-AA - page 14
14 • On wireless remote controller The continuous buzzer sounds from receiving section of indoor unit. Blink of operation lamp • On wired remote controller Check code displayed in the LCD. • 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 Wire ...
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Mitsubishi Electronics PLA-A-AA - page 15
15 9.4. Installing the grille 9.4.1. Preparations (Fig. 9-5) • Install the two enclosed screws with w asher 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 g rille the discharge direction is availab le in 11 patterns. Also ...
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Mitsubishi Electronics PLA-A-AA - page 16
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 scre w with washer 2 . C Corner drain pipe area D Screw with washer 2 (f or temporar y use) E Grille F Screw with washer 2 G Hole A H Hole B I Bell shaped hole Fig. 9-6 9.4.2. T emporar y installation of the grille (Fig. 9-6) • T emporarily secure the grille usi ...
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Mitsubishi Electronics PLA-A-AA - page 17
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 the data you want to displa y . MENU ON/OFF Comp ...
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Mitsubishi Electronics PLA-A-AA - page 18
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, MARUNOUCHI, CHIY ODA-KU , TOKY O 100-8310, JAP AN Printed in JAPAN BG79U795H01 BG79U795H01_co ...
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