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Panasonic CS-PA7CKE Service Manual
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Panasonic CS-PA7CKE Service Manual

Panasonic CS-PA7CKE Service Manual

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© Guangzhou Matsushita Air Conditioner Co., Ltd.
(GMAC) All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No: GMAC0312013C2
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Summary of Contents for Panasonic CS-PA7CKE

  • Page 1 Order No: GMAC0312013C2 :))7 P(- <)%.('()%1-* </H,P8<QR <SH,P8<QR </H,<8<QR <SH,<8<QR </H,PG<QR <SH,PG<QR </H,<G<QR <SH,<G<QR </H,P"+<QR <SH,P"+<QR </H,<"+<QR <SH,<"+<QR <DVORVO/ ,3;1! ,3;1 ! "!#$%&'()%*! !"+!O1&N%(&3> 63'3! ! +!,-).$&' /01&(2(&3'()%*! !"5!RT0>).1. K(1I! ! 5!6(71%*()%*! "8 !"9!:10>3&171%' ,3-'* U(*'! ! 9!:12-(;1-3'()% <=&>1 6(3;-37! !"4!RT0>).1.
  • Page 2 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "! #$%&'()%* Operation START/ST OP Room Temperature Setting Temperature Setting(16 C to 30 C) Operation Mode Selection Auto Operation Automatic Mode Operation Timer Operation Selection Heating Mode Operation(PA7CKE/PA9CKE/PA12CKE) Soft Dry Mode Operation Air Circulation Operation(PC7CKE/PC9CKE Stop/Start Operation Control /PC12CKE) (set the ON/OFF Timer hourly later)

  • Page 3: Indoor Unit

    Test Run or Low speed. Used when testing or repairing When temperature of evaporator reaches 34 C, rm Booting Operation ends. Operation Indication Lamps (For CS-PA7CKE/CS-PA9CKE/ CS-PA12CKE only) Operation (green) Iights up in operation Blinks during Test Indoor Fan Speed Control...

  • Page 4: Outdoor Unit

    2/ high temperature or current enters into the compressor is activated for 50sec,the compressor. (for PA7CKE, PC7CKE, compressor will stop. PA9CKE, PC9CKE only) (Only for CS-PA7CKE/CU-PA7CKE/ CS-PA9CKE/CU-PA9CKE/ 60-seconds Test Operation Control CS-PA12CKE/CU-PA12CKE) 4-way Valve Control Once the compressor is activated,it does not stop for 60 seconds.It stops immediately with...
  • Page 5 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR +! ,-).$&' /01&(2(&3'()%* S%(' </H,P8<QR <SH,P8<QR Cooling Capacity 2.10 Heating Capacity 2.30 Moisture Removal Power Source Phase Single Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Circulation Indoor Air (low) /min Cooling: 6.7 —...
  • Page 6 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,P8<QR <SH,P8<QR Air Circulation Type Cross-flow fan Propeller fan Motor Type Induction (4 pole) Induction (6 pole) Input 38.4 58.3 Rated Output Fan Speed 960±60 — Medium 1100±60 — High 1240±60 880±60 Heat Exchanger Description Evaporator...
  • Page 7 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,PG<QR <SH,PG<QR Cooling Capacity 2.70-2.75 Heating Capacity 3.10-3.15 Moisture Removal Power Source Phase Single 220-230 Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Circulation Indoor Air (low) /min Cool: 6.79 —...
  • Page 8 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,PG<QR <SH,PG<QR Air Circulation Type Cross-flow Fan Propeller fan Motor Type Induction (4 pole) Induction (4 pole) Input 38.4 55.3 Rated Output Fan Speed 900±60 — Medium 1040±60 — High 1180/1200±60 740±60 Heat Exchanger Description Evaporator...
  • Page 9 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,P"+<QR <SH,P"+<QR Cooling Capacity 3.35-3.40 Heating Capacity 4.00-4.05 Moisture Removal Power Source Phase Single 220-230 Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Circulation Indoor Air (low) /min Cool: 7.43 —...
  • Page 10 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,P"+<QR <SH,P"+<QR Air Circulation Type Cross-flow Fan Propeller fan Motor Type Induction (4 pole) Induction (4 pole) Input 38.4 54.8 Rated Output Fan Speed 980±60 — Medium 1090±60 — High 1200/1270±60 760±60 Heat Exchanger Description Evaporator...
  • Page 11 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,<8<QR <SH,<8<QR Cooling Capacity 2.10 Moisture Removal 1.20 Power Source Phase Single Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Circulation Indoor Air (low) /min — Indoor Air (medium) /min 6.96 —...
  • Page 12 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,<8<QR <SH,<8<QR Air Circulation Type Cross-flow Fan Propeller fan Motor Type Induction (4 pole) Induction (4 pole) Input 38.4 59.6 Rated Output Fan Speed 810±60 — Medium 940±60 — High 1080±60 910±60 Heat Exchanger Description Evaporator...
  • Page 13 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,<G<QR <SH,<G<QR Cooling Capacity 2.50-2.55 Moisture Removal 1.40 Power Source Phase Single 220-230 Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Circulation Indoor Air (low) /min 7.36 — Indoor Air (medium) /min 8.29 —...
  • Page 14 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,<G<QR <SH,<G<QR Air Circulation Type Cross-flow Fan Propeller fan Motor Type Induction (4 pole) Induction (4 pole) Input 38.4 59.6 Rated Output Fan Speed 870±60 — Medium 980±60 — High 1100±60 880±50 Heat Exchanger Description Evaporator...
  • Page 15 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,<"+<QR <SH,<"+<QR Cooling Capacity 3.50-3.55 Moisture Removal Power Source Phase Single 220-230 Cycle Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Circulation Indoor Air (low) /min — Indoor Air (medium) /min —...
  • Page 16 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR S%(' </H,<"+<QR <SH,<"+<QR Air Circulation Type Cross-flow Fan Propeller fan Motor Type Induction (4 pole) Induction (4 pole) Input 38.4 45.9 Rated Output Fan Speed 980±60 — Medium 1110±60 — High 1220±60 680±50 Heat Exchanger Description Evaporator...
  • Page 17 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 5! 6(71%*()%*...
  • Page 18 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR...
  • Page 19 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR...
  • Page 20 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 9! :12-(;1-3'()% <=&>1 6(3;-37 9Z"Z! </Y<SH,P8<QRJ </Y<SH,PG<QRJ </Y<SH,P"+<QR 9Z+Z! </Y<SH,<8<QRJ </Y<SH,<G<QRJ </Y<SH,<"+<QR...
  • Page 21 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 4! @>)&A 6(3;-37 4Z"Z! </Y<SH,P8<QRJ </Y<SH,PG<QRJ </Y<SH,P"+<QR...
  • Page 22 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 4Z+Z! </Y<SH,<8<QRJ </Y<SH,<G<QRJ </Y<SH,<"+<QR...
  • Page 23 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR B! C(-(%; 6(3;-37 BZ"Z! </Y<SH,P8<QRJ </Y<SH,PG<QRJ </Y<SH,P"+<QR...
  • Page 24 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR BZ+Z! </Y<SH,<8<QRJ </Y<SH,<G<QRJ </Y<SH,<"+<QR...
  • Page 25 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 8! D01-3'()% 61'3(>* 8Z"Z! <))>(%; X).1 D01-3'()% • When selecting the Cooling Mode Operation, the unit will operate according to the setting by the Remote Control and the operation is as the following. O(71 61>3= /321'= <)%'-)>...
  • Page 26 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR P$')73'(& #3% /011. X).1 6$-(%; <))>(%; X).1 D01-3'()%J $*1 -17)'1 &)%'-)> ') *1>1&' P$')73'(& #3% /011.Z • Fan speed will be at the point between "high speed" and "medium speed". • Deodorization control. O(71 W-30N 2)- &))>(%;...
  • Page 27 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 8Z+Z! /)2' 6-= X).1 D01-3'()% • When selecting Soft Dry mode operation, the operation will be cooling until the room temperature reaches the set temp on the remote control, and then Soft Dry will be activated. (During Soft Dry Mode the fan of indoor unit will operate at super low speed.) •...
  • Page 28 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR O(71 W-30N 2)- *)2' .-= )01-3'()%...
  • Page 29 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 8Z5Z! \13'(%; X).1 D01-3'()% ]</H,P8<QR Y </H,PG<QR Y </H,P"+<QR^ When selecting heating mode operation, the unit will operate according to the setting by the remote control. O(71 61>3= /321'= ,-)'1&'()% <)%'-)> • If the compressor stopped by switching off,turning off by remote control, or power off, it will not restart within 3 minutes. •...
  • Page 30 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR P$')73'(& #3% 7).1 )01-3'()% When selecting automatic fan mode by remote control during heating mode operation, the fan will operate at different speed under different conditions according to the temperature of indoor heat exchanger. O(71 ;-30N 2)- N13'(%;...
  • Page 31 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 61(&1 <)%'-)> Deice operation is to protect the outdoor unit from freezing. • Normal Deice Operation Deicing starts 30 minutes after heating mode operation or 60 minutes after the latest deicing operation.If temperature of outdoor piping,tested by TRS,falls to -3°C (TRS OFF) or below for continuously 50 seconds,deicing operation starts.
  • Page 32 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR O(71 W-30N 2)- V)-73> 61(&(%; D01-3'()% O(71 W-30N 2)- DL1->)3. 61(&(%;...
  • Page 33 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 8Z9Z! P$')73'(& X).1 D01-3'()% #)- ,<8<QRY,<G<QRY,<"+<QRJ \13'(%; X).1 D01-3'()% (* %)' (%&>$.1.Z /'3%.3-. 2)- .1'1-7(%(%; )01-3'()% 7).1 #(-*' 61'1-7(%3'()%_ /1&)%. 61'1-7(%3'()%_ One hour after the above determination, the unit will operate according to the table below. 1.
  • Page 34 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 8Z4Z! P(- <(-&$>3'()% X).1 D01-3'()% ]</H,<8<QR Y </H,<G<QR Y </H,<"+<QR ^ 1. An additional heater may make the warm air evenly covering each corner of the room. 2. When the temperature near the ceiling reaches the setting temperature, Air Circulation Mode Operation commences at low airflow volume.
  • Page 35 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 8ZBZ! F%.))- #3% X)')- <)%'-)> • Automatic fan speed control When automatic fan speed set,the available range for fan speed is from H to SLo • Manual Fan Speed Control • Basic fan speed can be manually adjusted (Lo, Med,Hi) by using the fan speed selection button. @3*(&...
  • Page 36 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 8Z8Z! P(-2>)I 6(-1&'()% <)%'-)> P(-2>)I 6(-1&'()% P$')H&)%'-)> • When set at airflow direction auto-control with remote control, the louver swings up and down as shown in the table below. • The louver does not swing when the indoor fan stops during operation. •...
  • Page 37 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR E! F%*'3>>3'()% EZ"Z! @12)-1 F%*'3>>3'()% CP:VFVW ■ Engage dealer or specialist for installation. If installation done by the user is defective, it will cause water leakage, electrical shock or fire. ■ Use the specified cable(1.5mm ) and connect tightly for indoor/outdoor connection.
  • Page 38 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR...
  • Page 39 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZ+Z! D$'>(%1 )2 (%*'3>>3'()% F%*'3>>3'()% I)-A* F%*'3>>3'()% 03-'* :1`$(-1. '))>* ● ● "Z F%*'3>>3'()% )2 (%.))-J )$'.))- $%(' Installation plate A level gauge ● ● 1) Select best location..P.40 4 wooden screws Philips screw driver ●...
  • Page 40 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZ5Z! F%*'3>>3'()% )2 (%.))-J )$'.))- $%(' EZ5Z"Z! /1>1&' M1*' >)&3'()% EZ5Z"Z"Z! F%.))- $%(' EZ5Z"Z5Z! ,(0(%; >1%;'N 3%. 1>1L3'()% • There should not be any heat source of steam near the unit. Model Piping size Max piping •...
  • Page 41 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZ5Z+Z! F%.))- $%(' (%*'3>>3'()% The mounting wall is strong and solid enough to prevent it from vibration. EZ5Z+Z"Z! X)$%' 'N1 (%*'3>>3'()% 0>3'1 )% 'N1 I3>> I('N 2)$- (%*'3>>3'()% 0>3'1 2(T(%; *&-1I*Z (If mounting the unit on the concrete wall, consider using anchor bolts.) •...
  • Page 42 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZ9Z! ,(0(%; 3%. .-3(%3;1 )2 (%.))- $%(' EZ9Z"Z! ,-103-3'()% )2 0(0(%; EZ9Z"Z"Z! <$' 'N1 0(01* 3%. 'N1 &3M>1 EZ9Z"Z5Z! #>3-(%; 'N1 0(01 • Use the accessory piping kit or pipes purchased locally. • Insert the flare nuts, mounted on the connection ports of both indoor and outdoor unit, onto the copper pipes.
  • Page 43 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZ9Z+Z! <)%%1&'()% )2 0(0(%; Remove the indoor piping • Pull the tube out of chassis. 5. Indoor unit installation #)- 'N1 -(;N' 0(0(%; • Hook the indoor unit onto the upper portion of 1.
  • Page 44 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 3. Insert the connecting cable into the indoor unit • Do not connect the cable to the indoor unit. • Make a small loop with the cable for easy connection. #)- 'N1 >12' *(.1 0(0(%; 1.
  • Page 45 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 5. Connecting the piping to the indoor unit • Align the center of the piping and sufficiently tighten the 7. Tape the piping, drain hose and connecting cable. flare nut with fingers. • Finally, tighten the flare nut with torque wrench until the wrench clicks.
  • Page 46 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZ4Z! F% &3*1 )2 17M1..1. ,(0(%; EZ4ZBZ! <)%%1&'(%; 'N1 0(0(%; • Refer to the section "connecting the piping" in the directions #)- 'N1 17M1..1. 0(0(%; for the indoor unit. Follow the same procedure for left rear and left piping. (Connecting the piping to the outdoor unit and checking the EZ4Z"Z! :10>3&1 'N1 .-3(% N)*1...
  • Page 47 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZBZ! <)%%1&'(%; 0(0(%; 3%. 'N1 &3M>1 ') )$'.))- $%(' EZBZ"Z! <)%%1&'(%; 'N1 0(0(%; ') )$'.))- EZBZ+Z! <)%%1&'(%; 'N1 &3M>1 ') 'N1 $%(' )$'.))- $%(' 1. Remove the control board cover or top plate of the outdoor unit (for PA7CKE, PC7CKE, PC9CKE only) from the unit by 1.
  • Page 48 3. Drainage control for outdoor unit (For CS-PA7CKE / CS- PA9CKE / CS-PA12CKE only) • If a drainage plug is applied,the outdoor unit should at least be 3 centimeters high from the floor.

  • Page 49: Auto Operation Mode

    </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZ8Z+Z! <)%%1&'(%; 'N1 &3M>1 ') 'N1 (%.))- 3. Pull the lower section of the front grille towards you to remove the front grille. $%(' 1. The inside and outside connecting cable can be connected When reinstalling the front grille, first set the vertical without removing the front grille.
  • Page 50 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR EZEZ! O1*' :$%%(%; EZEZ+Z! RL3>$3'()% )2 'N1 01-2)-73%&1 EZEZ"Z! <)%%1&' 'N1 0)I1- *$00>= 1. Operate the air conditioner for 15 minutes. 2. Measure the temperature of the intake and discharge air. 1. Connect the power supply cord to independent power 3.
  • Page 51 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR G! +HI3=J 5HI3= K3>L1 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Works Shaft Position Shaft Position Service Port Shipping Close Closed Closed (With valve cap) (With valve cap) (With cap) Air purging (Installation and Re- Open Closed Open...
  • Page 52 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR GZ"Z! RL3&$3'()% )2 F%*'3>>3'()% CN1% (%*'3>>(%; 3% 3(- &)%.('()%1-J M1 *$-1 ') 1L3&$3'1 'N1 3(- (%*(.1 'N1 (%.))- $%(' 3%. 0(01* (% 'N1 2)>>)I(%; 0-)&1.$'-1Z :1`$(-1. '))>*_ hexagonal wrench, adjustable wrench, torque wrench, The air in the indoor unit and in the piping must be purged.
  • Page 53 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR GZ+Z! ,$70(%; .)I% ]#)- :1H(%*'3>>3'()%^ ,-)&1.$-1 6. Operate the air conditioner at the cooling cycle and stop it 1. Confirm that both 2-way and 3-way valves are set to open positions. when the gauge indicates 2 kg/cm G (0.1Mpa).
  • Page 54 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR GZ5Z! :1H3(- 0$-;(%; ]:1H(%*'3>>3'()%^ ,-)&1.$-1 1. <)%%1&' 3 &N3-;(%; N)*1 I('N 3 0$*N 0(% ') 'N1 U)I 5. 6(*&)%%1&' 'N1 &N3-;(%; N)*1 2-)7 'N1 L3&$$7 0$70Z *(.1 )2 3 &N3-;(%; *1' 3%. 'N1 *1-L(&1 0)-' )2 'N1 5HI3= <3$'()% L3>L1Z If gauge needle does not move from 0 cmHg (0 MPa) to -76...
  • Page 55 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR GZ9Z! @3>3%&1 -12-(;1-3%' )2 'N1 +HI3=J 5HI3= L3>L1* ]W3* >13A3;1^ ,-)&1.$-1 1. Confirm that both 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the service port of the 3-way valve. •...
  • Page 56 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR GZ4Z! RL3&$3'()% ]F%*'3>>3'()%^ ]V) -12-(;1-3%' (% 'N1 -12-(;1-3'()% &=&>1^ ,-)&1.$-1 1. Connect the vacuum pump to the charge set´s centre hose. 2. Evacuation for approximately 1 hour. • Confirm that the gauge needle has moved toward-76cmHg (-0.1Mpa) [vacuum of 4 mmHg or less]. 3.
  • Page 57 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR GZBZ! W3* &N3-;(%; ]P2'1- 1L3&$3'()%^ ,-)&1.$-1 1. Connect the charge hose to the charging cylinder • Connect the charge hose which was disconnected from the vacuum pump to the valve at the bottom of the cylinder.
  • Page 58 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "?!6(*3**17M>= )2 'N1 03-'* • F%*01&'()% ,)(%'* 2)- 'N1 (%.))- 1>1&'-)%(& &)%'-)>>1- 1. Open the front grille and cover of the control board, the electronic controller, signal receiver and indicators can be seen. #(;...
  • Page 59 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR 3. Remove the fan motor. Loosen the fan motor securing screw at the junction of the cross fan. (see #(; 4) #(; 4 Remove the special tab, and pull the fan motor out. (see #(;...
  • Page 60 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR • :17)L3> 0-)&1.$-1 )2 'N1 &-)** 2>)I 23% 1. Remove the fan motor. (Refer to the removal procedure of fan motor, #(; E) #(; E Remove the securing screw of the front grille, pull the front grille down towards you.
  • Page 61 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR • :17)'1 &)%'-)> -1*1' If the display is chaotic or can not be adjusted, use a pin to gently press reset button to reset the remote control to the original set by manufacturer.(#(; "" ) #(;...
  • Page 62 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR ""!O-)$M>1H*N))'(%; ;$(.1 :12-(;1-3'()% &=&>1 *=*'17 In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of compressor or fan. The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions, the standard values for them are shown in the table to the right.
  • Page 63 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR ""Z"Z! :1>3'()%*N(0 M1'I11% 'N1 &)%.('()% )2 3(- &)%.('()%1- 3%. 0-1**$-1 3%. 1>1&'-(& &$--1%' Cooling mode Heating mode Condition of the air conditioner Low Pressure High Pressure Electric current Low Pressure High Pressure Electric current during operation during operation Insufficient refrigerant...
  • Page 64 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "+!O1&N%(&3> 63'3 ■ ON1-7)*'3' &N3-3&'1-(*'(&* </Y<SH,P8<QRJ </Y<SH,PG<QRJ </Y<SH,P"+<QRJ </Y<SH,<8<QRJ </Y<SH,<G<QRJ </Y<SH,<"+<QR...
  • Page 65 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR ■ <))>(%; &N3-3&'1-(*'(&*...
  • Page 66 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR ■ \13'(%; &N3-3&'1-(*'(&*...
  • Page 67 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "5!RT0>).1. K(1I...
  • Page 68 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "9!:10>3&171%' ,3-'* U(*' </H,P8<QR Y </H,<8<QR Y </H,<G<QR DESCRIPTION&NAME Q’ty CS-PA7CKE CS-PC7CKE CS-PC9CKE CHASSIS COMPLETE CWD50C1353 CWD50C1348 CWD50C1348 FAN MOTOR CWA921115 CWA921115 CWA921115 CROSS FLOW FAN COMPLETE CWH02C1025 CWH02C1025 CWH02C1025 EVAPORATOR CWB30C1423 CWB30C1447...
  • Page 69 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR </H,PG<QR Y </H,P"+<Q Y </H,<"+<QR DESCRIPTION&NAME Q’ty CS-PA9CKE CS-PA12CKE CS-PC12CKE CHASSIS COMPLETE CWD50C1350 CWD50C1350 CWD50C1350 FAN MOTOR CWA921115 CWA921115 CWA921115 CROSS FLOW FAN COMPLETE CWH02C1025 CWH02C1025 CWH02C1025 EVAPORATOR CWB30C1402 CWB30C1402 CWB30C1403 INTAKE AIR SENSOR HOLDER CWH32137 CWH321022 CWH321025...
  • Page 70 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "4!RT0>).1. K(1I...
  • Page 71 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "B!:10>3&171%' ,3-'* U(*' <SH,P8<QR Y <SH,<8<QR Y <SH,<G<QR DESCRIPTION&NAME Q’ty CU-PA7CKE CU-PC7CKE CU-PC9CKE BASE ASS´Y CWD52K1092A CWD52K1092A CWD52K1093A FAN MOTOR CWA921129 CWA92263 CWA92263 HOLDER-FAN MOTOR CWD541058 CWD541058 CWD541058 FIXING SCREW-FAN MOTOR CWH55027 CWH55027 CWH55027 PROPELLER FAN CWH03K047...
  • Page 72 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "8!RT0>).1. K(1I...
  • Page 73 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "E!:10>3&171%' ,3-'* U(*' <SH,PG<QR Y <SH,P"+<QR Y <SH,<"+<QR DESCRIPTION&NAME Q’ty CU-PA9CKE CU-PC12CKE CU-PA12CKE CHASSIS ASS´Y CWD50K2068A CWD50K2067A CWD50K2059A FAN MOTOR BRACKET CWD541041 CWD541041 CWD541020 SCREW-FAN MOTOR BRACKET 4580399 4580399 CWH551060 FAN MOTOR CWA951198 CWA951192 CWA951194 SCREW-FAN MOTOR MOUNT...

  • Page 74: Schematic Diagram

    </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "G!RUR<O:DVF< <F:<SFO 6FPW:PX ]</Y<SH,P8<QR </Y<SH,PG<QR </Y<SH,P"+<QR^ SCHEMATIC DIAGRAM 1/2 AC220 A73C1124 50Hz DISPLAY 6.3V 137K PH302C 0.01 Vcc2 OFF/ON(G) TEMER (0) 0.01 Vcc1 Auto *PC2800AGR SW101 RECEIVER A7427 07 1 2 3 CN-DISP CN-RCV CN-RCV A67C4037...
  • Page 75 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR SCHEMATIC DIAGRAM 2/2 SENSOR COMPRESSOR O.L.P.* 1(L) 1(L) 2(N) 2(N) RY-HOT HOT(RED) CR01 A67C3843 FAN MOTOR FM(BLU) SSR02 ZNR02 15.8k RY-P WR FUSE DB01 150V ZNR01 COIL- AC 250V AC(HT) 4-WAY VALVE 3300p A401030 A431036 Notes: For CS/CU-PC12CKE,no O.L.P.
  • Page 76 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "GZ"Z! RUR<O:DVF< <F:<SFO 6FPW:PX]:RXDOR <DVO:DU^ </Y<SH,P8<QR </Y<SH,PG<QR </Y<SH,P"+<QR...
  • Page 77 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR "GZ+Z! ,:FVOR@ <F:<SFO @DP:6]:RXDOR <DVO:DU^ </Y<SH,P8<QR </Y<SH,PG<QR </Y<SH,P"+<QR...
  • Page 78 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR +?!RUR<O:DVF< <F:<SFO 6FPW:PX ]</H,<8<QR Y <SH,<8<QR Y </H,<G<QR Y <SH,<G<QR^ CS/CU-PC7CKE CS/CU-PC9CKE...
  • Page 79 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR CS/CU-PC7CKE CS/CU-PC9CKE...
  • Page 80 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR +?Z"Z! RUR<O:DVF< <F:<SFO 6FPW:PX ]:RXDOR <DVO:DU^ </H,<8<QR Y <SH,<8<QR Y </H,<G<QR Y <SH,<G<QR...
  • Page 81 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR +?Z+Z! ,:FVOR@ <F:<SFO @DP:6]:RXDOR <DVO:DU^ </H,<8<QR Y <SH,<8<QR Y </H,<G<QR Y <SH,<G<QR...
  • Page 82 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR +"!RUR<O:DVF< <F:<SFO 6FPW:PX ]</H,<"+<QR Y <SH,<"+<QR^ SCHEMATIC DIAGRAM 1/2 AC220V-240V A73C1148 50Hz DISPLAY PH302C Vcc1 0.01 D101 OFF/ON(G) 0.01 Vcc2 D102 TEMER (0) Auto *PC2800AGR 6.3V SW101 RECEIVER A742707 1 2 3 CN-RCV CN-DISP (KR3) A67C4037...

  • Page 83: Fan Motor

    </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR SCHEMATIC DIAGRAM 2/2 COMPRSSOR TERMIMAL TERMIMAL 1(L) 1(L) 2(N) 2(N) FUSE T 5A L 250V RY-PWR FUSE FAN MOTOR 150V ZNR01 AC 250V AC(HT) 3300p A401030 A431036 CN-FM (VH5-3) 0.047 ZNR03 PC01 AC 250V TLP620-GB C-FM FM MOTOR...
  • Page 84 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR +"Z"Z! RUR<O:DVF< <F:<SFO 6FPW:PX ]:RXDOR <DVO:DU^ </H,<"+<QR Y <SH,<"+<QR...
  • Page 85 </H,P8<QR Y <SH,P8<QR Y </H,<8<QR Y <SH,<8<QR +"Z+Z! ,:FVOR@ <F:<SFO @DP:6]:RXDOR <DVO:DU^ </H,<"+<QR Y <SH,<"+<QR Printed in China...

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