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-RP100/125/140/200/250YKA OCH451 OCB451 PU(H)-P71/100VHA#2.UKPU(H)-P71/100/125/140YHA#2.UK OC379 PUHZ-P100/125/140VHA3.UK OCH415 / OCB415 PUHZ-...
Page 3 - SAFETY PRECAUTION; Cautions for units utilising refrigerant R410A; Use new refrigerant pipes.; When charging directly from cylinder
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 contaminationsuch as sulfur hazardous for use, oxides, dirt, shaving particles,...
Page 4 - Indoor Unit; PART NAMES AND FUNCTIONS
4 [3] Service tools Use the below service tools as exclusive tools for R407C refrigerant. Gravimeter Unit No. Specifications 1 Gauge manifold · Only for R410A · Use the existing fitting specifications. (UNF1/2) · Use high-tension side pressure of 5.3MPa·G or over. 2 Charge hose · Only for R410A · Us...
Page 5 - °F°C; Display Section; Wired
5 °F°C °F°C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER 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 di...
Page 6 - SPECIFICATIONS
6 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-RP60KA kW A ...
Page 8 - -2. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS; How to read curves
8 PCA-RP50KA PCA-RP60, 71KA ■ 50 0 -50 -100 -150 -200 -250 -300 Static pressure[Pa] Airflow rate[m³/min] 0 1 2 3 4 50 0 -50 -100 -150 -200 -250 -300 Static pressure[Pa] Airflow rate[m³/min] 0 1 2 3 4 50 0 -50 -100 -150 -200 -250 -300 Static pressure[Pa] Airflow rate[m³/min] 0 1 2 3 4 ■ PCA-RP100, 12...
Page 9 - NOISE CRITERION CURVES
9 9 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 N...
Page 11 - OUTLINES AND DIMENTIONS
11 11 PCA-RP50KA Unit : mm OUTLINES AND DIMENTIONS 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 lift up mechanism(optio...
Page 12 - Air intake; Please be sure when installing the
12 Unit : mm PCA-RP60, 71KA (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 wiring a...
Page 14 - WIRING DIAGRAM
14 PCA-RP50KA PCA-RP60KA PCA-RP71KAPCA-RP100KA PCA-RP125KA PCA-RP140KA WIRING DIAGRAM 7 DCL TO OUTDOOR UNIT 1 3 5 3 1 CN01(BLK) ORN YLW YLW BLU RED GRN/YLW I.B + 1 ( Fig. 1 ) I.B TB2 POWER SUPPLY ~( 1PHASE) 230V 50Hz ORNORN YLW BRN TB4 INDOOR/OUTDOOR COMMUNICATION CN3C(BLU) INDOOR/OUTDOOR COMMUNICAT...
Page 15 - Heat exchanger; REFRIGERANT SYSTEM DIAGRAM
15 Pipe temperature thermistor/liquid(TH2) Distributorwith strainer 1/2#50/#50 Condenser/evaporatortemperature thermistor(TH5) Room temperature thermistor (TH1) Refrigerant flow in cooling Refrigerant flow in heating Strainer#50 Strainer#50 Heat exchanger Refrigerant GAS pipe connection(Flare) Refri...
Page 16 - TROUBLESHOOTING
16 <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 17 - Malfunction-diagnosis method at maintenance service>
17 17 • "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 24 - -4. TROUBLESHOOTING BY INFERIOR PHENOMENA; Phenomena
24 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 26 - When the remote controller cannot be used
26 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 microcomputer fails When the remote controller cannot be used When the batteries of the remote controller run out or the remote control -ler malfunc...
Page 27 - Thermistor R
27 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 28 - Wiring contact check; Sensor signal check
28 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 29 - Indoor controller board; and; : Voltage between pins of
29 9-7. TEST POINT DIAGRAM Indoor controller board PCA-RP50KA PCA-RP60KA PCA-RP71KAPCA-RP100KA PCA-RP125KA PCA-RP140KA CN3CTransmission(Indoor/outdoor)(0~24V DC) SW2Capacity setting SW1Model selection CN2LConnector (LOSSNAY) CN41Connector (HA terminal-A) CN90Connect to the wireless remotecontroller ...
Page 30 - Service board; -8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE
30 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 31 - SPECIAL FUNCTION; again the former request code No.; • System constraint
31 31 SPECIAL FUNCTION 10 Note:· When the unit is restarted to operate after turning off the power or OFF operation,the unit which was operationg will start operation. · To operate the main unit, refer to the 10-1-2. and set the requet code No. which is not the same as the current one, and set again...
Page 32 - · This function is available only in cooling mode.; NOTICE
32 • 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 33 - (2) Setting method of each function by wired remote controller; TEST
33 (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 34 - DISASSEMBLY PROCEDURE; Removing the air intake grille; Figure 1; slide; Pull out the air intake grille; Figure 2; Photo 3; OPERATING PROCEDURE
34 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 pull ...
Page 35 - Photo 4; Removing the fan motor and right side fan; Photo 8
35 35 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 3. Removing the room temperature thermistor (TH1) (1) Remove the air intake grille. (See Figure 1,2) (2) Remove the screw from the beam and remove the beam. (See Photo 1) (3) Remove 2 screws from the electrical cover, and remove the electrical cov...
Page 36 - Figure 3; Removing the side panel; Photo 9
36 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS Screw 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 screw from the side panel, and remove the side panel by sliding the panel t...
Page 37 - Removing the under panel; remove the under panel.; Removing the vane motor; Remove the screws of the right and left side drain pan.
37 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)(3) Remove the beam. (See Photo 1)(4) Remove the electrical cover. (See Photo 1)(5) Pull the electrical box downwa...
Page 38 - 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
38 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)(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 vane...
Page 39 - Removing the heat exchanger; (10) Remove the pipe band fixing screw and remove the
39 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 ...