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Panasonic CS-F50MD1E5 Service Manual

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Please file and use this manual together with the service manual for Model No. CS-F24DD1E5 CU-
L24DBE5, CS-F28DD1E5 CU-L28DBE5, CS-F34DD1E5 CU-L34DBE5, CS-F43DD1E5 CU-L43DBE8, CS-
F50DD1E5 CU-L50DBE8, Order No. MAC0504056C2.

TABLE OF CONTENTS

1 Service Information---------------------------------------------- 3
1.1. Operation range-------------------------------------------- 3
2 Specifications ----------------------------------------------------- 4
2.1. Product Specification ------------------------------------- 4
3 Dimensions--------------------------------------------------------- 6
3.1. Indoor--------------------------------------------------------- 6
3.2. Outdoor ------------------------------------------------------ 7
4 Refrigeration Cycle ---------------------------------------------- 8
5 Block Diagram----------------------------------------------------- 9
5.1. Indoor--------------------------------------------------------- 9
CS-F50MD1E5 CU-L50DBE5
CS-F50MD1E5 CU-L50DBE8
PAGE
5.2. Outdoor ----------------------------------------------------- 10
6 Wiring Diagram -------------------------------------------------- 12
6.1. Indoor ------------------------------------------------------- 12
6.2. Outdoor ----------------------------------------------------- 13
7.1. Name and function of each part ---------------------- 15
7.2. Remote control - display ------------------------------- 16
7.3. Remote control - panel --------------------------------- 17
7.5. How to select timer -------------------------------------- 18
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.
Order No. PTW1104001A3
Air Conditioner
PAGE

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Summary of Contents for Panasonic CS-F50MD1E5

  • Page 1: Table Of Contents

    5 Block Diagram----------------------------------------------------- 9 7.4. How to set remote control day and time ----------- 18 5.1. Indoor--------------------------------------------------------- 9 7.5. How to select timer -------------------------------------- 18 © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011. Unauthorized copying and distribution is a violation of law.
  • Page 2 7.6. Daily timer setting ---------------------------------------- 19 7.7. Weekly timer setting ------------------------------------- 20 8 Operation Control----------------------------------------------- 22 8.1. Operation node ------------------------------------------- 22 8.2. Compressor start control ------------------------------- 22 8.3. Cooling operation ---------------------------------------- 22 8.4. Heating mode operation -------------------------------- 24 8.5. Odour removing operation ----------------------------- 26 8.6.

  • Page 3: Service Information

    1 Service Information 1.1. Operation range 1.1.1. Power supply The applicable voltage range for each unit is given in the following table. The working voltage among the three phases must be balanced within a 3% deviation from each voltage at the compressor terminals. The starting voltage must be higher than 85% of the rated voltage.

  • Page 4: Specifications

    2 Specifications 2.1. Product Specification 2.1.1. CS-F50MD1E5 CU-L50DBE5 Indoor Unit Outdoor Unit ITEM / MODEL Main Body CS-F50MD1E5 CU-L50DBE5 Cooling Capacity 14.0 BTU/h 47,700 Heating Capacity 16.0 BTU/h 54,600 Refrigerant Charge-less Standard Air Volume for High Speed Hi 60 Hi 98...
  • Page 5 2.1.2. CS-F50MD1E5 CU-L50DBE8 Indoor Unit Outdoor Unit ITEM / MODEL Main Body CS-F50MD1E5 CU-L50DBE8 Cooling Capacity 14.0 BTU/h 47,700 Heating Capacity 16.0 BTU/h 54,600 Refrigerant Charge-less Standard Air Volume for High Speed Hi 60 Hi 98 /min Hi 2120 3460...

  • Page 6: Dimensions

    3 Dimensions 3.1. Indoor...

  • Page 7: Outdoor

    3.2. Outdoor...

  • Page 8: Refrigeration Cycle

    4 Refrigeration Cycle...

  • Page 9: Block Diagram

    5 Block Diagram 5.1. Indoor...

  • Page 10: Outdoor

    5.2. Outdoor 5.2.1. CU-L50DBE5...
  • Page 11 5.2.2. CU-L50DBE8...

  • Page 12: Wiring Diagram

    6 Wiring Diagram 6.1. Indoor...

  • Page 13: Outdoor

    6.2. Outdoor 6.2.1. CU-L50DBE5...
  • Page 14 6.2.2. CU-L50DBE8...

  • Page 15: Wired Remote Control Operating Instructions

    7 Wired Remote Control Operating Instructions 7.1. Name and function of each part OFF/ON button Used to start and stop the operation. FAN SPEED button Used to select the fan speed of high (HI), medium (MED), low (LO) or auto (AUTO). MODE button Used to select the operation of AUTO, HEAT, FAN, COOL, or DRY.

  • Page 16: Remote Control - Display

    7.2. Remote control - display...

  • Page 17: Remote Control - Panel

    7.3. Remote control - panel...

  • Page 18: How To Set Remote Control Day And Time

    7.4. How to set remote control day and time • The day and time need to be set when you turn on the power for the first time or after a long time has elapsed since the power was last turned on. •...

  • Page 19: Daily Timer Setting

    CLOCK Display (To set current Day and Time) Note: • The above display is shown if no valid timer setting is made. • If valid timer setting is made. and setting will be displayed. - If you want to check the current time and day, press “MODE button” once. (However, after a few seconds, the display will change back to and the setting) 7.6.

  • Page 20: Weekly Timer Setting

    Final Display of Daily Timer 7.7. Weekly timer setting • Display • How to Set Weekly Timer - You can set the Timer for 1 week (Monday to Sunday) with 6 programs per day. - ON-Timer can be set together with your desired temperature. However, this temperature will be used continuously. - Cannot set 2 programs with same time setting in a day.
  • Page 21 For example, if you want to set: A - Monday to Friday: Same time, 1st program ON 9:00 & 2nd program OFF 16:00. B - Only Wednesday: Additional 3rd program OFF 12:30 & 4th program ON 13:30. C - Only Saturday: 1st program ON 10:00 with 20°C & 2nd program OFF 14:00. D - Sunday: Holiday.

  • Page 22: Operation Control

    8 Operation Control 8.1. Operation node 1. Thermostat control 2. Depend on differences between room temperature and setting temperature, Compressor running frequency will be decided and start operation. Temperature differences become same as below table, then thermostat is off. Temperature Differences Unit: “C Indoor type Cassette...
  • Page 23 8.3.2. Odour cut control • When cool or dry mode operation start, select odour cut mode or fan auto mode, by remote control, operation start at odour wash mode when compressor start or shift to thermostat on from thermostat off. •...

  • Page 24: Heating Mode Operation

    8.3.5. Dew form prevention control • During cool or dry operation, if outdoor temperature is less than 30“C, and indoor fan speed is low or auto setting, indoor heat exchanger temperature become lower, dew form prevention control start to prevention dew form at indoor discharge grill. •...
  • Page 25 Fan speed auto • When operation start, or during operation, fan speed control by detecting indoor heat exchanger as follows: 8.4.2. Hot start control • When heating operation start, hot start control carry out. • During hot start operation, [PREHEAT] displayed at the wired remote controller. •...

  • Page 26: Odour Removing Operation

    • The defrost temperature (DEF_Th) depends on outdoor ambient temperature. Outdoor air temp. (“C) Maximum defrost time DEF_Th (“C) Tout -3“C 10min 3sec 11“C 10min 3sec -3“C Tout -10“C 5“C Tout < -10“C 10min 3sec 3“C 8.4.6. Heating high temperature protection •...

  • Page 27: Energy Save Operation

    8.6. Energy save operation • During cooling operation, or heating operation, when pushing the [ECONOMY] button in the wired remote controller, energy save operation start and [ECO] sign is displayed at LCD display panel of wired remote controller ([ECONOMY] sign is displayed at LCD display panel of wireless remote controller).

  • Page 28: Outdoor Fan Remaining Heat Removal Control

    8.7. Outdoor fan remaining heat removal control • When compressor stop, outdoor fan operate for 1 minute to remove the remaining heat. 8.8. Crank case heater control • Crank case heater power is on to prevent the refrigerant solving into compressor oil inside of the compressor shell at cold condition.

  • Page 29: Installation Instruction

    9.52 3-ways 15.88 3-ways TYPE CS-F43DD1E5 CS-F50MD1E5 Note: Piping elevation B = outdoor unit installed at top Piping elevation C = outdoor unit installed at bottom • Calculation 1 In case of CU-L28, 34DBE5 When pipe length exceed 30m calculated by formula 1, adding refrigerant amount should be calculated by formula 2. If calculation result is less than 30m, it is not necessary to add refrigerant.

  • Page 31: Indoor Unit Installation

    9.2. Indoor unit installation DUCT TYPE AIR CONDITIONERS INSTALLATION INSTRUCTIONS Precautions in terms of safety Carry out installation work with reliability after through reading of this “Precautions in terms of safety”. Precautions shown here are differentiated between Those that have much chances for •...
  • Page 32 Warnings Wiring shall be connected securely using specified cables and fix them securely so that external force of the cables may not transfer to the terminal connection section. Imperfect connection and fixing leads to fire, etc. Cautions Carry out Earthing work. Drain piping should be made to ensure secure drainage Do not connect the Earth return to the gas pipe, according to the manual for installation work and carry out the...
  • Page 33 Note • Thoroughly study the following installation locations. 1. In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the turbo fan, the fin of the heat exchanger and the drain pump, resulting in heat exchange reduction, spraying, dispersing of water drops, drain pump malfunction, etc.
  • Page 34 9.2.4. Refrigerant piping • Refrigerant is charged to the outdoor unit. For details, see the manual for installation work of outdoor unit. (Additional charging, etc.). 1. Brazing for piping. a. Execute brazing before tightening the flare nut. b. Brazing must be executed while blowing nitrogen gas. (This prevents generation of oxidized scale in copper pipe.) 2.
  • Page 35 9.2.6. Heat Insulation Caution Be sure to perform heat insulation on the drain, liquid and gas piping. Imperfection in heat insulation work leads to water leakage. 1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over 120“C). 2.
  • Page 36 9.2.7. Electrical wiring As to main power source and cable size of outdoor unit, read the installation manual attached to the outdoor unit. The units must be installed in accordance with applicable national and local regulations. Warning The units installed by a professional installer must be supplied from a dedicated electrical circuit. All electrical work must be carried out by a qualified technician according to proper technical standards for electrical work and Warning according to installation manual for installation work.
  • Page 37 CONNECTING THE WIRES TO THE CONTROL BOX • Remove two screws ,remove the control box cover, and then connect the wires by following the procedure given in the illustration. <INDOOR UNIT> • Remove the control box for electrical connection between the indoor and outdoor unit.
  • Page 38 (Remote Controller address setting) (Refer to the Installation Manual which is provided with the remote controller for details.) • Two remote controllers (including the wireless remote controller) can be connected. However, remote control thermistor setting is not possible. • As for [master/slave] setting of remote controller, the automatic setting and manual setting are possible. Since manual setting is priority. •...
  • Page 39 9.2.11. Check the following items when installation is complete • After completing work, be sure to measure and record trial run properties, and store measuring data, etc. • Measuring items are room temperature, outside temperature, suction temperature, blow out temperature, wind velocity, wind volume, voltage, current, presence of abnormal vibration and noise, operating pressure, piping temperature, compressive pressure, airtight pressure.

  • Page 40: Outdoor Unit Installation

    9.3. Outdoor Unit Installation AIR CONDITIONERS OUTDOOR UNIT INSTALLATION INSTRUCTIONS Precautions in terms of safety Carry out installation work with reliability after through reading of this “Precautions in terms of safety”. Precautions shown here are differentiated between Those that have much chances for •...
  • Page 41 Warnings Wiring shall be connected securely using specified cables and Earth fix them securely so that external force of the cables may not This equipment must be properly earthed. Earth transfer to the terminal connection section. line must not be connected to gas pipe, water Imperfect connection and fixing leads to fire, etc.
  • Page 42 b. Prevention measure for refrigerant piping Prevention measure for refrigerant piping is very important work to prevent water-dust-rubbish from getting in. All piping terminals needs sealing such as shown below. Place Period of work Method of seal Outside More than 1 month Pinch Less than 1 month Pinch or taping...
  • Page 43 For the use of a gas cylinder without siphon inside, turn it upside down and use it. (We recommend manifold with sight glass.) Do not use a “CHARGE CYLINDER”. Caution As a rule, please collect all existing refrigerants in the system outside the system when the refrigerant leakage occurs by the Caution system.
  • Page 44 12. Be sure to leave enough space around the outdoor unit to maintain proper performance and to allow access for routine maintenance. • Allow enough space from any obstacles as shown in Fig. 1.2 below in order to prevent short-circuits from occurring. (If installing more than one outdoor unit, make the necessary space available as outlined in 13.) However, there should be at least 1 meter of free space above the unit.
  • Page 45 • If a drain pipe needs to be installed, insert the accessory drain elbow into the mounting hole at the bottom of the outdoor unit, and connect a hose with an inside diameter of 15mm to this drain elbow. (The hose is not supplied.) If using the drain elbow, install the outdoor unit on a base which is at least 5cm high.
  • Page 46 3. Notes when connecting the refrigerant pipes. • Use clean copper, pipes with no water or dust on the insides. • Use phosphorus-free, unjointed copper pipes for the refrigerant pipes. • If it is necessary to cut the refrigerant pipes, be sure to use a pipe cutter, and use compressed nitrogen or an air blower to clean out any foreign particles from inside the pipe.
  • Page 47 • Pump down operation - Operate the pump down according to the following procedures. Procedure Notes 1. Confirm the valve on the liquid side and the gas side is surely open. 2. Press the PUMP DOWN switch on outdoor printed board for 1 Perform the cooling operation for five minutes or more.
  • Page 48 Earth lead wire shall be longer than other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage. • Power supply specifications Model name Leakage Circuit breaker Minimum Maximum Indoor/outdoor...
  • Page 49 9.3.10. Connecting power supply cables CAUTION • For three phase model, never operate the unit by pressing the electromagnetic switch. • Never correct the phase by switching over any of the wires inside the unit. 9.3.11. Precautions with regard to test operation CAUTION •...
  • Page 50 9.3.12. As to making the inspection after completion of work fully understood • At the time when the work has been completed, measure and record the characteristics of test run without fail and keep the mea- suring date, etc. • Carry out the measurement regarding room temperature, outside air temperature, suction and air discharge temperatures, wind velocity, wind volume, voltage current, presence of abnormal vibration, operating pressure, piping temperature, compressive pressure, airtight pressure as items to be measured.

  • Page 51: Troubleshooting Guide

    10 Troubleshooting Guide If test operation does not proceed correctly : Carry out test operation after approximately 12 hours have passed since the power was turned on (crank case heater is energized). If operation started by using the remote control within 1 minute of turning on the power, the outdoor unit setting will not be made correctly and correct operation will not be possible.

  • Page 52: Wiring Mistake Prevention

    (When remote control display shows “power supply”) Clock setting, and no timer setting (When remote control display shows “No power supply”) Remedy 1. Turn off the main power. ’ 2. Connect the disconnected wire correctly. ’ 3. Turn on the main power. ’...

  • Page 53: Test Operation And Self Diagnosis

    Connection error with communication wire and power supply wire cause large scale working losses and affect reliability. If a circuit board with a connection error prevention circuit is used, the relay will not operate if the wires have been connected incorrectly, so that current will not flow to the control circuit board.
  • Page 54 10.3.3. Test operation using the wired remote control 1. Check that “COOL” or “HEAT” is displayed on the LCD, and then press the OFF/ON button to start test operation. 2. After pressing the OFF/ON button, press the TEST RUN button within 1 minute. 3.

  • Page 55: Emergency Operation

    The air conditioner No.“01” appears during normal installation and use. When using group control, a different number may appear. The air conditioner No. can be displayed by pressing the air conditioner No. button. (=same as Temp. up and down button) When an abnormality occurs at this unit, “check”...

  • Page 56: Self-Diagnosis

    Thermistor resistance table Temperature Resistance value (k:)±5% Indoor Outdoor Room Pipe Outdoor Discharge Suction Pipe temperature Defrost temperature temperature temperature temperature temperature thermistor temperature thermistor thermistor thermistor thermistor thermistor -20“C 158.5 211.3 15.5 528.3 47.9 47.9 47.9 87.5 116.7 87.5 291.8 27.1 27.1...
  • Page 57 Wired remote control unit Outdoor unit printed circuit board LED display Location of problem Check location Abnormal Detail 302 303 304 305 306 307 308 309 display display Indoor/outdoor unit Indoor/outdoor unit connection cable and disconnection problem connection terminals, or indoor unit and outdoor unit power supplies (outdoor side) Indoor/outdoor unit connection Indoor/outdoor unit connection wire (outdoor...
  • Page 58 Example self-diagnosis LED location for CU-L50DBE8. Note : This PCB is for explanation purpose only. It may be different from actual unit.

  • Page 59: Technical Data

    11 Technical Data 11.1. Sound Data...

  • Page 60: Capacity And Power Consumption

    CS-F50MD1E5 / CU-L50DBE5 CS-F50MD1E5 / CU-L50DBE8 Calculation of actual cooling capacity and power consumption: Example: CS-F50MD1E5 / CU-L50DBE5 • Calculation of the actual cooling capacity and power consumption for the following cooling conditions; Indoor temperature of 27/19“C and outdoor temperature of 35“C (Standard condition).
  • Page 61 11.2.1.1. CS-F50MD1E5 CU-L50DBE5...
  • Page 62 Cooling capacity curve...
  • Page 63 Cooling power consumption curve...
  • Page 64 11.2.1.2. CS-F50MD1E5 CU-L50DBE8...
  • Page 65 Cooling capacity curve...
  • Page 66 Cooling power consumption curve...
  • Page 67 Model name Max heating capacity Max capacity (kw) Max power consumption (kw) CS-F50MD1E5 / CU-L50DBE5 CS-F50MD1E5 / CU-L50DBE8 1. Heating capacity when the unit is frosted over or while being defrosted will vary depending on outdoor temperature and the frosting.
  • Page 68 11.2.2.1. CS-F50MD1E5 CU-L50DBE5 Heating capacity curve Outdoor intake air ambient temperature (D.B./ “C) -20“C -15“C -10“C -5“C 0“C 2“C 5“C 7“C 10“C 15“C >15“C Heating capacity 0.93 0.93 0.93 0.92 0.84 0.88 0.96 compensation coefficient...
  • Page 69 Heating power consumption curve Outdoor intake air ambient temperature (D.B./ “C) -20“C -15“C -10“C -5“C 0“C 5“C 7“C 10“C 15“C >15“C Heating capacity 0.93 0.93 0.93 0.92 0.86 0.97 compensation coefficient...
  • Page 70 11.2.2.2. CS-F50MD1E5 CU-L50DBE8 Heating capacity curve Outdoor intake air ambient temperature (D.B./ “C) -20“C -15“C -10“C -5“C 0“C 2“C 5“C 7“C 10“C 15“C >15“C Heating capacity 0.93 0.93 0.93 0.92 0.84 0.88 0.96 compensation coefficient...
  • Page 71 Heating power consumption curve Outdoor intake air ambient temperature (D.B./ “C) -20“C -15“C -10“C -5“C 0“C 5“C 7“C 10“C 15“C >15“C Heating capacity 0.93 0.93 0.93 0.92 0.86 0.97 compensation coefficient...
  • Page 72 11.2.3. Fan performance 11.2.3.1. CS-F50MD1E5 Fan performance test report Power Air volume External Model Fan speed Current (A) consumption Pressure (Pa) /min) (kW) 2.67 0.62 2.25 0.53 CS-F50MD1E5 1.96 0.46 1.71 0.40 Fan performance curve...

  • Page 73: Safety Device

    11.3. Safety device 11.3.1. Indoor unit Indoor unit CS-F50MD1E5 For fan motor current protection “C Internal “C protector (49F) For control protection Fuse 3.15 Note : Protection controlled by P.C.B installed of FM inside. 11.3.2. Outdoor unit Outdoor unit Heat pump...

  • Page 74: Operating Characteristics

    Fan Motor Voltage Frequency S.C. R.C. (A) IPT (kW) R.C. R.C. (Hz) COOL / HEAT COOL / HEAT (kW) (kW) CS-F50MD1E5 18.2 17.6 / 16.7 4.04 / 3.83 2.67 0.62 1.10 0.24 CU-L50DBE5 HEAT CS-F50MD1E5 6.51 / 6.21 4.12 / 3.91 2.59...

  • Page 75: Exploded View And Replacement Parts List

    12 Exploded View and Replacement Parts List 12.1. Indoor Unit...
  • Page 76 QUANTITY PER 1 UNIT REF NO. PARTS NAME Q’TY CS-F50MD1E5 Cabinet (Bottom) P02-T08210 Cabinet (Bottom A) P02-T08420 Drain pan P42-T03930 Evaporator P45-T09550 Distributor as. P45-T09540 Cabinet (Top) P02-T07490 Cabinet (Back) P42-T03390 Duct flange as.(Outlet) P42-T01860 Fan base as. P45-T08020 Casing as.

  • Page 77: Outdoor Unit

    12.2. Outdoor Unit...
  • Page 80 PART DESCRIPTION CU-L50DBE5 BASE PAN ASS’Y CWD52K1110 COMPRESSOR 5JD420XAA22 ANTI-VIBRATION BUSHING CWH50055 NUT FOR COMP. MOUNT. CWH561049 PACKING CWB811017 CRANKCASE HEATER CWA341013 CONDENSER COMPLETE CWB32C1594 TUBE ASS’Y(PRESSURE SWITCH) CWT023392 DISCHARGE MUFFLER CWB121014 HIGH PRESSURE SWITCH CWA101007 3-WAYS VALVE (GAS) CWB011251 4-WAYS VALVE CWB001046 3-WAYS VALVE (LIQUID)
  • Page 81 PART DESCRIPTION CU-L50DBE5 PIPE COVER (BACK) CWD601075A CABINET FRONT PLATE COMPLETE CWE06C1091 HANDLE CWE161008 TUBE ASS’Y (CAPILLARY TUBE) CWT07K1196 MAGNETIC SWITCH CWA001023 SPRING FOR SENSOR CWH711010 4-WAYS VALVE COMPLETE CWB00C1022 CONDENSER SIDE PLATE CWD932477 INSTALLATION INSTRUCTION CWF613052 EXPANSION VALVE CWB051020J Note: * All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488).
  • Page 82 CU-L50DBE8...
  • Page 83 CU-L50DBE8...
  • Page 84 CU-L50DBE8...
  • Page 85 PART DESCRIPTION CU-L50DBE8 BASE PAN ASS’Y CWD52K1110 COMPRESSOR 5JD420XBA22 ANTI-VIBRATION BUSHING CWH50055 NUT FOR COMP. MOUNT. CWH4582065 PACKING CWB811017 CRANKCASE HEATER CWA341013 CONDENSER COMPLETE CWB32C1594 TUBE ASS’Y(PRESSURE SWITCH) CWT023392 DISCHARGE MUFFLER CWB121014 HIGH PRESSURE SWITCH CWA101007 3-WAYS VALVE (GAS) CWB011251 4-WAYS VALVE CWB001046 3-WAYS VALVE (LIQUID)
  • Page 86 PART DESCRIPTION CU-L50DBE8 CABINET FRONT PLATE COMPLETE CWE06C1091 HANDLE CWE161008 TUBE ASS’Y (CAPILLARY TUBE) CWT07K1195 MAGNETIC SWITCH K6C2AGA00002 SPRING FOR SENSOR CWH711010 4-WAYS VALVE COMPLETE CWB00C1022 CONDENSER SIDE PLATE CWD932477 ELECTRIC MAGNETIC SWITCH CWA001005 PTC THERMISTORS D4DD1010001 NORMAL - MODE LINE CHOKE COILS G0A452N00002 INSTALLATION INSTRUCTION CWF612612...

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