Mitsubishi PCA-RP125KAQ- User Manual

Page 2 - REFERENCE MANUAL

2 1-1. OUTDOOR UNIT’S SERVICE MANUAL 1-2. TECHNICAL DATA BOOK REFERENCE MANUAL 1 Service Ref. Service Manual No. PUHZ-RP50/60/71VHA4PUHZ-RP100/125/140VKAPUHZ-RP100/125/140/200/250YKAPUHZ-RP200YKAR1 OCH451 OCB451 PU(H)-P71/100VHAR3.UKPU(H)-P71/100/125/140YHAR3.UK OC379 PUHZ-P100/125/140VHA3R2.UKPUHZ-...

Page 3 - SAFETY PRECAUTION; Cautions for units utilising refrigerant R410A; Use new refrigerant pipes.; Be sure to use a filter drier for new refrigerant.

3 SAFETY PRECAUTION 2 Cautions for units utilising refrigerant R410A 2-2. CAUTIONS RELATED TO NEW REFRIGERANT Use new refrigerant pipes. Make sure that the inside and outside of refrige-rant piping is clean and it has no contaminantssuch as sulfur, oxides, dirt, shaving particles, etc,which are haza...

Page 4 - Indoor Unit; PART NAMES AND FUNCTIONS; Air outlet

4 [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. Gravimeter Unit ● Indoor Unit PART NAMES AND FUNCTIONS 3 Air outlet Louver Vane Air intake Filter(Inside of Air intake) No. Tool name Specifications 1 Gauge manifold · Only for R410A · Use the existing fitting ...

Page 5 - Wireless

5 Wireless remote controller (Option) ON/OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE SWING CHECK FAN TEST RUN °F °C AMPM STOP START AMPM COOL DRY AUTO FAN HEAT VANE CONTROL button Changes the air flow direction. CLOCK button RESE...

Page 6 - °F°C; Display Section; Wired

6 °F°C °F°C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ONOFF HrAFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF •• Display Section For purposes of this explanation,all parts of the displ...

Page 7 - SPECIFICATIONS; INDOOR UNIT

7 7 SPECIFICATIONS 4 Single phase, 50Hz, 230V Munsell 6.4Y 8.9/0.4 Plate fin coil Sirocco fan (direct) x 3 0.095 15-16-17-19(530-565-600-670) 0(direct blow) Remote controller & built-in 33-35-37-40 26(1) 1,280(50-3/8) 680(26-3/4)230(9-1/16) 32(71) Cooling 0.060.39 Heating 0.060.39 PCA-RP60KAQ kW...

Page 9 - -2. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS; How to read curves

9 PCA-RP50KAQ PCA-RP60, 71KAQ ■ 500-50-100-150-200-250-300 Static pressure[Pa] Airflow rate[m³/min] 0 1 2 3 4 500-50-100-150-200-250-300 Static pressure[Pa] Airflow rate[m³/min] 0 1 2 3 4 500-50-100-150-200-250-300 Static pressure[Pa] Airflow rate[m³/min] 0 1 2 3 4 ■ PCA-RP100, 125, 140KAQ ■ 4-2. FR...

Page 10 - NOISE CRITERION CURVES

10 NOISE CRITERION CURVES 5 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μ bar) BAND CENTER FREQUENCIES, Hz PCA-RP50GAPCA-RP50GA#1PCH-P50GAH NO...

Page 12 - OUTLINES AND DIMENSIONS; When drain socket is installed

12 PCA-RP50KAQ Unit : mm OUTLINES AND DIMENSIONS 6 (Drainage) When drain socket is installed 2 246 When drain socket is installed 233 When electrical box is pulled down Electrical box NOTES. 1.Use M10 or W3/8 screw for anchor bolt. 2.Please be sure when installing the drain pump (option parts), refr...

Page 13 - Air intake; Please be sure when installing the; Ceiling

13 13 Unit : mm PCA-RP60, 71KAQ (Drainage) When drain socket is installed 2 246 When drain socket is installed 233 Air intake 5 4 1 2 3 6 7 8 9 Knock out hole for upper drain pipe arrangement Knock out hole for fresh air intake ø100 Knock out hole for wiring arrangement 2-ø22 Knock out hole for wiri...

Page 14 - Electrical box

14 Unit : mm PCA-RP100, 125, 140KAQ (Drainage) When drain socket is installed 246 When drain socket is installed 233 Knock out hole for upper drain pipe arrangement Knock out hole for fresh air intake ø100 Knock out hole for wiring arrangement 2-ø22 Knock out hole for wiring arrangement 2-ø26 9 6 7 ...

Page 15 - WIRING DIAGRAM

15 15 PCA-RP50KAQ PCA-RP60KAQ PCA-RP71KAQPCA-RP100KAQ PCA-RP125KAQ PCA-RP140KAQ WIRING DIAGRAM 7 <Table 2>SW2 (CAPACITY CODE) Service Service MODELS SW2 PCA-RP100KAQ MODELS ON OFF 1 2 3 4 5 PCA-RP50KAQ ON OFF 1 2 3 4 5 PCA-RP125KAQ ON OFF 1 2 3 4 5 PCA-RP60KAQ ON OFF 1 2 3 4 5 PCA-RP140KAQ ON ...

Page 16 - Heat exchanger; REFRIGERANT SYSTEM DIAGRAM

16 Pipe temperature thermistor/liquid (TH2) Distributor with strainer 1/2 #50/#50 Condenser/evaporator temperature thermistor (TH5) Room temperature thermistor (TH1) Refrigerant flow in coolingRefrigerant flow in heating Strainer #50 Strainer #50 Heat exchanger Refrigerant GAS pipe connection (Flare...

Page 17 - TROUBLESHOOTING

17 <Error code display by self-diagnosis and actions to be taken for service (summary)> Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit. Actions to be taken for service and the trouble reoccurrence at field are summarized...

Page 18 - Malfunction-diagnosis method at maintenance service>; To be continued to the next page.; CHECK button; Display the error code on the self-check result display screen.; – – – – : No trouble generated in the past.

18 • "CHECK" lights, and refrigerant address "00" flashes.• Check that the remote controller's display has stopped before continuing. • Select the refrigerant address of the indoor unit for the self-diagnosis.Note: Set refrigerant address using the outdoor unit’s DIP switch (SW1). (F...

Page 25 - -4. TROUBLESHOOTING BY INFERIOR PHENOMENA; Phenomena

25 9-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (1)LED2 on indoor controller board is off. • When LED1 on indoor controller board is also off. 1 Power supply of rated voltage is not supplied t...

Page 27 - When the remote controller cannot be used; fl

27 9-5. EMERGENCY OPERATION 9-5-1. When wireless remote controller fails or its battery is exhausted 9-5-2. When wired remote controller or indoor unit microprocessor fails When the remote controller cannot be used When the batteries of the remote controller run out or the remote control -ler malfun...

Page 28 - Moving part; Thermistor R

28 9-6. HOW TO CHECK THE PARTS Parts name Check points Disconnect the connector then measure the resistance with a tester.(At the ambient temperature of 10°C~30°C) Measure the resistance between the terminals with a tester.(Winding temperature 20°C) Measure the resistance between the terminals with ...

Page 29 - Wiring contact check; Sensor signal check

29 9-6-2. DC Fan motor (fan motor/indoor controller circuit board) Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNMF) for the motor with the power supply on. (It causes trouble of the indoor controller circu...

Page 30 - Indoor controller board

30 9-7. TEST POINT DIAGRAM Indoor controller board PCA-RP50KAQ PCA-RP60KAQ PCA-RP71KAQPCA-RP100KAQ PCA-RP125KAQ PCA-RP140KAQ CN3CTransmission(Indoor/outdoor)(0~24V DC) SW2Capacity setting SW1Model selection CN2LConnector (LOSSNAY) CN41 Connector (HA terminal-A) CN90Connect to the wireless remotecont...

Page 31 - Service board; -8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE

31 SW1 Setting by the dip switch and jumper wire Functions Jumper wire Modelsettings Capacitysettings Pair numbersetting withwirelessremotecontroller For service board Remarks SW2 J41J42 Unit type setting JP1 Indoorcontrollerboard type setting JP3 012 3 ~ 9 Wireless remote controller setting Control...

Page 32 - SPECIAL FUNCTION; again the former request code No.; • System constraint; Operation pattern

32 SPECIAL FUNCTION 10 Note:· When the unit is restarted to operate after turning off the power or OFF operation, the unit which was operating will start operation. · To operate the main unit, refer to the 10-1-2. and set the request code No. which is not the same as the current one, and set again t...

Page 33 - · This function is available only in cooling mode.; NOTICE

33 33 • System constraint · This function is available only in cooling mode. [2nd stage cut-in function]··· Request code number "322~324" Start operation Sub unit start operation Room temp. Set point Sub unit stop Run Stop Stop Run Main unit IC-1 Sub unit IC-2 Room temp. < Set point -4 Ex...

Page 34 - (2) Setting method of each function by wired remote controller; TEST

34 (2) Setting method of each function by wired remote controller B: Refrigerant addressC: Data display areaD: Request code display area TEST CHECK FILTER FILTER ON/OFF 1. Stop operation( ). 2. Press the button ( ) for 3 seconds so that [Maintenance mode] appears on the screen ( ). After a while, [0...

Page 35 - DISASSEMBLY PROCEDURE; Removing the air intake grille; Figure 1; slide; Pull out the air intake grille; Figure 2; Photo 3; OPERATING PROCEDURE

35 35 DISASSEMBLY PROCEDURE 11 1. Removing the air intake grille (1) Slide the air intake grille holding knobs (at 2 or 3 loca- tions) to the rear to open the air intake grille. (See Figure 1) (2) While the air intake grille left open, push the stoppers on the rear hinges (at 2 or 3 locations) to pu...

Page 36 - Photo 4; Removing the fan motor and right side fan; Photo 8

36 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 3. Removing the room temperature thermistor (TH1) (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the beam by removing screws. (See Photo 1)(3) Remove 2 screws from the electrical cover, and remove the electrical cover. (4) Remove 2 sc...

Page 37 - Figure 3; Removing the side panel; Photo 9; Figure 4

37 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS Screws Side panel (Right) Side panel (Left) Sliding the panelto the front Figure 3 6. Removing the side panel (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the screws from the side panel, and remove the side panel by sliding the pane...

Page 38 - Removing the under panel; remove the under panel.; Removing the vane motor; Remove the screws of the right and left side drain pan.

38 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 8. Removing the under panel (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the left and right side panels. (See Figure 3, 4)(3) Remove the beam. (See Photo 1)(4) Remove the electrical cover. (See Photo 1)(5) Pull the electrical box do...

Page 39 - Removing the Auto vane; vane support to the vane sleeve side.; Removing the guide vane; (6) Remove 6 screws from the pipe cover and remove the

39 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 12. Removing the Auto vane (1) Remove the intake grille. (See Figure 1, 2)(2) Remove the right side panel. (See Figure 3, 4)(3) Remove the vane motor and cover. (See Photo 13)(4) Slide the auto vane to the vane motor side.(5) Remove 2 axes from each ...

Page 40 - Removing the heat exchanger; (10) Remove the pipe band fixing screw and remove the

C Copyright 2010 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Dec. 2010 No.OCH491Made in Japan HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN New publication, effective Dec. 2010Specifications subject to change without notice OPERATING PROCEDURE PHOTOS &a...

Mitsubishi PCA-RP125KAQ- User Manual

Table of Contents:

Summary

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