Panasonic CS-C45FFH Service Manual

Panasonic CS-C45FFH Service Manual

Floor standing room air conditioners
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This serv ice informati on is design ed for experienced repair technicians only a nd is not des igned for us e by the gene ral pu blic.
It d oes no t cont ain warnings or cau tions to advise non-tech ical ind ividua ls of potenti al dangers in attempting t o serv ice a product.
Pro ducts power ed by electricity should b e serviced or repaired only by experie nced profes sional technicians. Any a ttemp t to service
or r epair the pro duct o r products dealt with in th is service informa tion by anyon e else could result in serious injury or death.
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Floor Standing Room Air Conditioners
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(Guangzhou) Co., Ltd. (PHA-AG) All rights reserved.
Unauthorized copying and distribution is violation of
law.
Order N0. PHAAG0606013C3
CS-C45FFH
CU-C45FFH
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Panasonic Home Appliances Air Conditioner
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Table of Contents
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Summary of Contents for Panasonic CS-C45FFH

  • Page 1: Table Of Contents

    16 Replacement Parts List 7 Wiring Diagram -------------------------------------------------- ----------------------------------------------- 17 Exploded View 8 Operation Details ----------------------------------------- --------------------------------------------------- 18 Replacement Parts List 9 Self-diagnosis Panasonic Home Appliances Air Conditioner (Guangzhou) Co., Ltd. (PHA-AG) All rights reserved. Unauthorized copying and distribution is violation of law.
  • Page 2: Features

    CS-C45FFH / CU-C45FFH 1 Features ■ High Efficiency Comfort Environment ■ Air filter with function to reduce dust and smoke Wide range of horizontal discharge air ■ Random Auto Restart Control Automatically restart afer power failure ■ 12-hour Timer Setting...
  • Page 3: Functions

    CS-C45FFH / CU-C45FFH 2 Functions Remote Control OFF/ON TEMP Operation START/STOP Room Temperature Setting Temperature Setting(16 to 30 ) ℃ ℃ Auto Operation Operate with 2 higher than standard ℃ MODE temperature. Operation Mode Selection Operate with standard temperature. Automatic...
  • Page 4 CS-C45FFH / CU-C45FFH Indoor Unit OFF/ON Operation Indication Lamps Power swith OFF/ON AUTO Power (green) Lights up in operation; Blinks during Test OFF/ON Run operation and Power Switch OFF/ON determining Auto Operation mode When the remote control cannot be used or...
  • Page 5 CS-C45FFH / CU-C45FFH Outdoor Unit Residual Heat Remove Control 3-minutes Test Operation Control When the compressor is stopped, the outdoor Once the compressor is activated, it does not fan will run at the highest speed for 60 second s stop for 3 minutes. It stops immediately with to remove the residual heat of the condenser.
  • Page 6: Product Specifications

    CS-C45FFH / CU-C45FFH 3 Product Specifications Unit CS-C 45FFH CU-C45FFH Cool ing Capacity 12.0-12.5 Moi sture Removal Power Source Phase 3-phase 380-415 Cycle TOP VIEW SIDE VIEW OUTLET Airflow Method INTAKE Air Circulation Indoor Air (low) m /min 19.7-23.3 m /min...
  • Page 7 CS-C45FFH / CU-C45FFH Unit CS-C45FFH CU-C45FFH D escription Evaporator Condenser Heat Tube Material Copper C opper Exchanger Fi n Type Slot type Corrugation type (Plate fin configuration,forced draft) Rows/Stage 2 x 44 1 x 44 480x924x25.4 Dimensions 900x1168.4x38.1 Refrigerant Control Device C apillary Tube (c.c)
  • Page 8: Dimensions

    CS-C45FFH / CU-C45FFH 4 Dimensions Indoor Unit Remote Controller 16.5 1880 23.5X4...
  • Page 9 CS-C45FFH / CU-C45FFH Outdoor Unit CU-C45FFH 62 0 14 0 40.5...
  • Page 10: Refrigeration Cycle Diagram

    CS-C45FFH / CU-C45FFH 5 Refrigeration Cycle Diagram CS-C45FFH/CU-C45FFH Intake temp.sensor Outdoor piping temp. sensor Ourdoor Indoor piping temp.sensor temp. sensor Compressor temp. sensor SUBACC Compress Compressor...
  • Page 11: Block Diagram

    CS-C45FFH / CU-C45FFH Block Diagram CS-C45FFH/CU-C45FFH INDOOR UNIT Power Supply: 3 phase AC380V-415V 50Hz FUSE (T 3.15A L 250 V) (B LK) RY-C (B LK) Electronic Controller- Main Remote Control Senso r (Intake Te mp .) Senso r (Intake Te mp .)
  • Page 12: Wiring Diagram

    CS-C45FFH / CU-C45FFH 7 Wiring Diagram CS-C45FFH/CU-C45FFH Power Supply: 3 phase Transformer AC380V-415V 50Hz FUSE (T 3.15A L 250V) (BR W) (B LK) (BLK ) RY-C (B LK) CN-T (WHT) (GRN) Remote Control Electronic Controller INDO OR UNIT C N-T H...
  • Page 13: Operation Details

    CS-C45FFH / CU-C45FFH 8 Operation Details 8.1. Cooling Mode Operation When selecting the Cooling Mode Operation, the unit will operate according to the setting by the Remote Controller or the control panel on the indoor unit and the operation is as the following.
  • Page 14 CS-C45FFH / CU-C45FFH Automatic Fan Speed Mode During Cooling Mode Operation, use remote controller to select Automatic Fan Speed. Fan speed will be at the point between "High speed" and "Medium speed". Deodorization control. ※2 ※1 Indoor Fan STOP STOP STOP 40 "...
  • Page 15 CS-C45FFH / CU-C45FFH 8.2. Soft Dry Mode Operation When selecting Soft Dry mode operation, the operation will be cooling until the room temperature reaches the set temp on ● 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 16 CS-C45FFH / CU-C45FFH Time Graph for soft dry operation a b c d e f j k l m n o p q r s t Intake Air temp Cooling mode operation activated 1.5℃ Cooling mode operation stopped Soft mode operation activated 1.0℃...
  • Page 17 CS-C45FFH / CU-C45FFH 8.3. Automatic Mode Operation Standard for Determining Operation Mode Setting Temperature (standard) Cooling mode Intake Air 23℃ Cooling mode 25℃ temperature Soft Dry mode Soft Dry mode 22℃ 1. Indoor fan operates at super low speed for 20 seconds.
  • Page 18 CS-C45FFH / CU-C45FFH 8.6. Outdoor Fan Motor Control The outdoor fan speed is controlled by ON-OFF status of the SSR on the outdoor PCB. Tap N0. Fan ON(ms) Fan OFF(ms) Tap N0. Fan ON(ms) Fan OFF(ms) 4000 1900 2100 3600...
  • Page 19 CS-C45FFH / CU-C45FFH 8.10 Demo Mode ( Outdoor unit not needed) Activate the de mo mod e: Ke ep the AUTO bu tton on the indoor Tur n o f f t h e a ir Demo mod e operation wi ll b e...
  • Page 20: Self-Diagnosis

    CS-C45FFH / CU-C45FFH 9 Self-diagnosis According to the LED on the outdoor PCB, locations of malfunction can be detected. Other than indications below occurring, switch off the power supply, then switch on to restart the operation. LEDS ON OUTDOOR PCB...
  • Page 21: Installation

    CS-C45FFH / CU-C45FFH 10 Installation 10.1. Before Installation WARNING 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 (2.5mm ) and connect tightly for indoor/outdoor connection.
  • Page 22 CS-C45FFH / CU-C45FFH Note: Before operating, remove this supporting tool. Sleeve(*) Bushing Sleeve(*) Putty(*) Vinyl Tape(*) Power Supply Current leakage protector(*) Automatic circuit breaker(*) Power Supply 50cm or more Cord(*) Additional Drain Hose(*) Grounding wire Connecting Cable(*) Piping(*) Vinyl Tape(*)
  • Page 23 CS-C45FFH / CU-C45FFH 10.2. Installation of Indoor, Outdoor Unit 10.2.1. Select the best location 1. Indoor unit There should not be any heat source of steam near the unit. There should not be any obstacles to prevent the air circulation.
  • Page 24 CS-C45FFH / CU-C45FFH 10.2.3. Outdoor unit installation 10.2.2. Indoor unit Installation After selecting the best location, start installation accord ing to There are three piping arrangements: left, right and right rear Indoor /Outdoor Unit Installation Diagram. piping. 1.Fix the unit on concrete or rigid frame firmly and horizontally 1.Drill a hole as the right figure.(Fig7)
  • Page 25 CS-C45FFH / CU-C45FFH 10.3. Piping and Drainage of Indoor Unit 10.3.1. Preparation of piping 3. Flaring the pipe 1. Cut the pipes and the cable Use the accessory piping kit or pipes purchased locally Insert the flare nuts, mounted on the connection ports ●...
  • Page 26 CS-C45FFH / CU-C45FFH 10.3.2. Connecting the piping to the 9.3.4. Check the drainage. indoor unit and outdoor unit. 1.Insert the pump into the indoor unit from the right side of the Align th e center of the piping and sufficiently t ight en the discharge vent and inject 1 liter of water.
  • Page 27 CS-C45FFH / CU-C45FFH CS-C45FFH / CU-C45FFH 10.4 Evacuation of Indoor Unit And Piping WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES IN THE FOLLOWING PROCEDURE. 1.Connect a charging hose with a push pin to the Low side and High side of a charging set and the service ports of 3-way valves.
  • Page 28 CS-C45FFH / CU-C45FFH 10.5. Connecting Cable and Power Supply Cord 10.5.1. Connecting the cab le to the ind oor unit 1.Take away the intake grille. 2.Loosen the four screws, remove the terminal board cover. (Fig 18) Screw 3.Fix the connecting cable onto the terminals on the control board.
  • Page 29 CS-C45FFH / CU-C45FFH 10.6. Wrapping the Piping 10.7.Evaluation of the Performance Using vinyl tape to wrap the indoor unit connecting portion. 1.Operate the unit at cooling operation mode for fifteen When connecting the drain hose, keep the outlet port above minutes or more.
  • Page 30: 11 3-Way Valve

    CS-C45FFH / CU-C45FFH 11 3-way Valve 3-way valve (Liquid side) 3-way valve (Gas side) Va lve cap Flare n ut Hexagonal wrench (4mm) Open po sition Fla re nut O pe n po sitio n Closed position C lose d p osition...
  • Page 31 CS-C45FFH / CU-C45FFH 11.1. Evacuation of the installation When installing an air conditioner,be sure to evacuate the air inside the indoor unit and pipes in the following procedure. Required tools: Hexagonal wrench, adjustable wrench, torque The air in the indoor unit and in the piping must be purged. If air...
  • Page 32 CS-C45FFH / CU-C45FFH 11.2. Pumping down (Liquid side) (Indoor unit) (Outdoor unit) 3-way valve Open (Gas side) 3-way valve C lose Open Refrigerant High Reclaming Equipment Close Procedure 1.Confirm that both the 3-way valves are set to open position. 7.Immediately set gas side 3-way valve to the closed position.
  • Page 33 CS-C45FFH / CU-C45FFH 11.3. Evacuation of Re-installation If air remains in the indoor unit and refrigeration pipes, it will WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO affect the compressor, reduce to cooling capacity, and could EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES IN THE FOLLOWING PROCEDURE.
  • Page 34 CS-C45FFH / CU-C45FFH 11.4. Balance refrigerant of the 3-way valves (Lack of refrigerant in the refrigeration cycle) (Liquid side) (Indoor unit) (Outdoo r unit) 3-way valve Open (Gas side) 3-way valve O pen Open Refrigerant High Reclaming Equipment Open Procedure Confirm that both the 3-way valves are set to the open position.
  • Page 35 CS-C45FFH / CU-C45FFH 11.5. Evacuation (No refrigerant in the refrigeration cycle) (L iq uid sid e) ( Indoor un it) ( Ou tdo or unit) 3-way valve O pe n (Gas side) 3-way valve Ope n Ope n Vacuum pump...
  • Page 36 CS-C45FFH / CU-C45FFH 11.6. Gas charging (After Evacution) (Liquid side) (Indoor unit) (Outdoor u nit) 3-way valve Open (Gas side) 3-way valve Close Open High Charging Open cylinder Procedure Connect the charge hose to the charging cylinder. Immediately disconnect the charge hose from the Connect the charge hose which was disconnected from ●...
  • Page 37: Disassembly Of The Parts

    CS-C45FFH / CU-C45FFH 12 Disassembly of the parts 12.1. Indoor Electronic Controller 12.2 Indoor Flow Fan and Fan Motor Removal Procedure 1.Pull the intake grille outward and loosen the fixing screws. 1.In order to remove the flow fan and the fan motor, the...
  • Page 38 CS-C45FFH / CU-C45FFH 12.3. 12.4. Removal procedure of the indoor heat exchanger. 1.After removing the discharge grille and the front panel , loosen the screws of the front plate and remove the plat e.(Fig 13) Fig 13 Screws 2.Loosen the screws of the heat exchanger and take out the heat exchanger.(Fig 14)
  • Page 39: Troubleshooting Guide

    CS-C45FFH / CU-C45FFH 13 Troubleshooting Guide 13.1. Refrigeration cycle system Normal pressure and outlet air temperature(standard) In order to diagnose malfunctions, make sure that there are no Outlet air Gas side pressure electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the tempera ture power source, malfunction of compressor or fan.
  • Page 40 CS-C45FFH / CU-C45FFH 13.2. Relationship between the condition of air conditioner and pressrue and electric current Cooling mode Condition of the air conditioner Low pressure High pressure Electric curr ent during operation Insufficient refrigerant (gas leakage) Clogged capillary tube Short circuit in the...
  • Page 41: Technical Data

    CS-C45FFH / CU-C45FFH 14 Technical Data Thermostat characteristics CS-C45FFH Soft dry mode Cooling mode ℃ ℃ Cooling on Compressor on Cooling off= soft dry on Compressor off= set temperature Set temperature Soft Dry off ℃ in difference in difference ℃...
  • Page 42: Exploded View

    CS-C45FFH / CU-C45FFH 15 Exploded View CS-C45FFH...
  • Page 43 CS-C45FFH / CU-C45FFH CS-C45FFH...
  • Page 44: Replacement Parts List

    CS-C45FFH / CU-C45FFH 16 Replacement Parts List CS-C45FFH PART DESCRIPTION QTY. CS-C45FFH Remarks BACK PLATE CWE02K1003 RIGHT PLATE CWE04C1021 LEFT PLATE CWE04C1020 CHASS'Y CW E051006 TOP PLATE CWE03C1013 INTAKE GRILLE COMPLETE CWE22C1080 INTAKE GRILLE CW E221078 FIXING TOOL-RIGHT CW D601098...
  • Page 45: Exploded View

    CS-C45FFH / CU-C45FFH 17 Exploded View...
  • Page 46 CS-C45FFH / CU-C45FFH...
  • Page 47: Replacement Parts List

    CS-C45FFH / CU-C45FFH 18 Replacement Parts List CU-C45FFH PART DESCRIPTION QTY. PART NO. REMARK BASE ASS'Y CWD52K1150A COMPRESSOR CWB092363 ANTI-VIBRATION BUSHING CWB81079 NUT FOR COMP. MOUNT. CWH561049 CRANK CASE HEATER CWA341036 CONDENSER COMPLETE CWB32C1832 TUBE ASS'Y CWT024311 HIGH PRESSURE SW ITCH...

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Cu-c45ffh

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