Mitsubishi PCA-RP50KAQ- 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. SUZ-KA50/60/71VA3.TH-A OCH511 / OCB511 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.U...

Page 3 - SAFETY PRECAUTION; Cautions for units utilising refrigerant R410A; Use new refrigerant pipes.; Never use any refrigerant other than that specified.; Use the specified refrigerant only.

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 - PART NAMES AND FUNCTIONS; Air outlet; Be sure to use a filter drier for new refrigerant.

4 [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. Gravimeter Unit 3-1. 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 fitti...

Page 5 - TEMP

5 3-2. 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 VANE CONTROL button Changes the air flow direction. CLOCK button RESET button SET butto...

Page 6 - Auto; Display; Full mode; Controller interface

6 The main display can be displayed in two different modes: "Full" and "Basic."The factory setting is "Full." Fri Mode Temp. Fan Room Cool Auto Set temp. Fri Cool Mode Temp. Fan Auto Set temp. 1 2 3 4 5 20 19 4 3 18 17 16 15 14 13 12 6 8 10 1 11 79 21 5 2 Fan speed setting ap...

Page 7 - Main menu list

7 Setting and display items Setting details Vane · Louver · Vent. (Lossnay) Use to set the vane angle. • Select a desired vane setting from fi ve different settings. Use to turn ON / OFF the louver. • Select a desired setting from "ON" and "OFF." Use to set the amount of ventilation....

Page 8 - °F°C; Display Section

8 °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 display ...

Page 9 - SPECIFICATIONS; INDOOR UNIT

9 9 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 11 - -2. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS; How to read curves

11 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. F...

Page 12 - NOISE CRITERION CURVES

12 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 14 - OUTLINES AND DIMENSIONS; When drain socket is installed

14 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 15 - Air intake; Please be sure when installing the

15 15 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 Knockout hole for upper drain pipe arrangement Knockout hole for fresh air intake ø100 Knockout hole for wiring arrangement 2-ø22 Knockout hole for wiring a...

Page 16 - Electrical box

16 Unit : mm PCA-RP100, 125, 140KAQ (Drainage) When drain socket is installed 246 When drain socket is installed 233 Knockout hole for upper drain pipe arrangement Knockout hole for fresh air intake ø100 Knockout hole for wiring arrangement 2-ø22 Knockout hole for wiring arrangement 2-ø26 9 6 7 8 Dr...

Page 17 - WIRED REMOTE CONTROLLER

17 WIRED REMOTE CONTROLLER Unit : mm PAR-21MAA PAR-30MAA 130 120 83.5 19.5 19 120 120 46 46 83.5 (Option) OCH491A

Page 18 - WIRING DIAGRAM

18 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 OFF...

Page 19 - Heat exchanger; REFRIGERANT SYSTEM DIAGRAM

19 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 20 - TROUBLESHOOTING

20 <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 21 - Malfunction-diagnosis method at maintenance service>

21 21 • "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...

Page 30 - When the remote controller cannot be used; fl

30 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 31 - Moving part; Thermistor R

31 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 32 - Wiring contact check; Sensor signal check

32 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 33 - Indoor controller board

33 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 34 - Service board; -8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE

34 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 35 - SPECIAL FUNCTION; again the former request code No.; • System constraint; Operation pattern

35 35 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 agai...

Page 36 - · This function is available only in cooling mode.; NOTICE

36 • 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 37 - (2) Setting method of each function by wired remote controller

37 F1 F2 F3 F4 Check menu Cursor Service menu: Error history Refrigerant volume check Refrigerant leak check Smooth maintenance Request code F1 F2 F3 F4 Request code Request: Request: Request code Ref.addressRequest code Cursor − ＋ Ref.addressRequest code Cursor − ＋ Select "Reque...

Page 38 - TEST

38 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, [00] appears in the refrigerant address number display area.(at )...

Page 39 - DISASSEMBLY PROCEDURE; Removing the air intake grille; Figure 1; slide; Pull out the air intake grille; Figure 2; Photo 3; OPERATING PROCEDURE

39 39 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 40 - Photo 4; Removing the fan motor and right side fan; Photo 8

40 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 41 - Figure 3; Removing the side panel; Photo 9; Figure 4

41 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 42 - Removing the under panel; remove the under panel.; Removing the vane motor; Remove the screws of the right and left side drain pan.

42 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 43 - 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

43 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 44 - Removing the heat exchanger; (10) Remove the pipe band fixing screw and remove the

OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 13. Removing the heat exchanger (1) Remove the air intake grille. (See Figure 1, 2) (2) Remove the beam. (See Photo 1)(3) Remove the electrical cover. (See Photo 1)(4) Pull the electrical box downward. (See Photo 2)(5) Remove the left and right side pan...

Mitsubishi PCA-RP50KAQ- User Manual

Table of Contents:

Summary

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