Panasonic CS-F50MD1E5 User manual

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

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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. Energy save operation---------------------------------- 27
8.7. Outdoor fan remaining heat removal control ------ 28
8.8. Crank case heater control ----------------------------- 28
8.9. Valve error ------------------------------------------------- 28
8.10. Pump down operation----------------------------------- 28
9 Installation Instruction ---------------------------------------- 29
9.1. Pipe Length ------------------------------------------------ 29
9.2. Indoor unit installation----------------------------------- 31
9.3. Outdoor Unit Installation-------------------------------- 40
10 Troubleshooting Guide---------------------------------------- 51
10.1. For standard installation -------------------------------- 51
10.2. Wiring mistake prevention ----------------------------- 52
10.3. Test operation and self diagnosis -------------------- 53
10.4. Emergency operation ----------------------------------- 55
10.5. Self-diagnosis --------------------------------------------- 56
11 Technical Data---------------------------------------------------- 59
11.1. Sound Data ------------------------------------------------ 59
11.2. Capacity And Power Consumption ------------------ 60
11.3. Safety device---------------------------------------------- 73
11.4. Operating characteristics------------------------------- 74
12 Exploded View and Replacement Parts List ----------- 75
12.1. Indoor Unit ------------------------------------------------- 75
12.2. Outdoor Unit ----------------------------------------------- 77

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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.
1.1.2. Indoor and outdoor temperature
• Model 50Hz CU-L50DBE5, CU-L50DBE8
MODEL Unit Main Power Applicable Voltage
CU- Phase, Volts Hz Max Min
L50DBE5 1~240 50 264 216
L50DBE8 3N~380 50 418 342
3N~400 50 440 360
3N~415 50 457 374
Operating Hz Indoor Temp. (D.B./W.B.) (C) Outdoor Temp. (D.B./W.B.) (C)
Max Min Max Min
Cooling 50 32/23 21/15 43/- -15/-
Heating 50 27/- 16/- 24/18 -20/-

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2 Specifications
2.1. Product Specification
2.1.1. CS-F50MD1E5 CU-L50DBE5
1. Cooling capacities are based on indoor temperature of 27C D.B. (80.6F D.B.), 19.0C W.B. (66.2F W.B.) and outdoor air
temperature of 35C D.B. (95F D.B.), 24C W.B. (75.2F W.B.)
2. Heating capacities are based on indoor temperature of 20C D.B. (68F D.B.) and outdoor air temperature of 7C D.B. (44.6F
D.B.), 6C W.B. (42.8F W.B.)
ELECTRICAL DATA (50 Hz)
ITEM / MODEL Indoor Unit Outdoor Unit
Main Body CS-F50MD1E5 CU-L50DBE5
Cooling Capacity kW 14.0
BTU/h 47,700
Heating Capacity kW 16.0
BTU/h 54,600
Refrigerant Charge-less m 30
Standard Air Volume for High Speed m3/min Hi 60 Hi 98
cfm Hi 2120 3460
External Static Pressure Pa Hi 98 -
mmAq Hi 10.0
Outside Dimension (H x W x D) mm 430 x 1000 x 650 1340 x 900 x 320
inch 16-15/16 x 39-3/8 x 25-19/32 52-7/8 x 35-7/16 x 12-19/32
Net Weight kg (lbs) 51 (112) 110 (242)
Piping
Connection Refrigerant Gas mm (inch) O.D Ø 15.88 (5/8) Flared Type
Liquid mm (inch) O.D Ø 9.53 (3/8) Flared Type
Drain mm O.D Ø 32 I.D Ø 20 x 1
Compressor Type, Number of Set - Hermetic - 2P (Rotary), 1
Starting Method - DC - INV control
Motor Type - 4-pole single phase brushless motor
Rated Output kW - 3.8
Fan Type, Number of Set Sirocco Fan, 2 Mix flow fan - 2
Motor Type 4-pole single phase induction motor 6-pole single phase induction motor
Rated Output kW 0.435 0.07 x 2
Air-heat Exchanger (Row x Stage x FPI) Louvre-fin type (3 x 18 x 13) Corrugate-fin type (2 x 51 x 18)
Refrigerant Control - Exp. Valve
Refrigerant Oil (Charged) cm3- FV50S (1200)
Refrigerant (Charged) R410A kg (oz) - 3.50 (123)
Running
Adjustment
Control Switch Wired Remote Control -
Room Temperature Thermostat -
Safety Devices Temperature, current and pressure protection control for compressor,
Internal thermostat for FM, High pressure switch,
Current trans, Crankcase heater
Noise Level dB (A) Cooling : Hi 52 Lo 48
Heating : Hi 50 Lo 46
Cooling 55, Heating 57
Power level dB Cooling : Hi 67 Lo 63
Heating : Hi 65 Lo 61
Cooling 69, Heating 71
Moisture Removal L/h 9.0
EER W/W 2.86
COP W/W 3.41
ITEM / MODEL Condition by JIS-B8615
Volts V 240
Phase Single
Power Consumption kW Cool 4.90
Heat 4.69
Running Current A Cool 21.4
Heat 20.5
Starting Current A 21.4
Power Factor % Cool 95
Heat 95
*Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor.
Panasonic Power source AC, 1~240V 50Hz

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2.1.2. CS-F50MD1E5 CU-L50DBE8
1. Cooling capacities are based on indoor temperature of 27C D.B. (80.6F D.B.), 19.0C W.B. (66.2F W.B.) and outdoor air
temperature of 35C D.B. (95F D.B.), 24C W.B. (75.2F W.B.)
2. Heating capacities are based on indoor temperature of 20C D.B. (68F D.B.) and outdoor air temperature of 7C D.B. (44.6F
D.B.), 6C W.B. (42.8F W.B.)
ELECTRICAL DATA (50 Hz)
ITEM / MODEL Indoor Unit Outdoor Unit
Main Body CS-F50MD1E5 CU-L50DBE8
Cooling Capacity kW 14.0
BTU/h 47,700
Heating Capacity kW 16.0
BTU/h 54,600
Refrigerant Charge-less m 30
Standard Air Volume for High Speed m3/min Hi 60 Hi 98
cfm Hi 2120 3460
External Static Pressure Pa Hi 98 -
mmAq Hi 10.0
Outside Dimension (H x W x D) mm 430 x 1000 x 650 1340 x 900 x 320
inch 16-15/16 x 39-3/8 x 25-19/32 52-7/8 x 35-7/16 x 12-19/32
Net Weight kg (lbs) 51 (112) 105 (231)
Piping
Connection Refrigerant Gas mm (inch) O.D Ø 15.88 (5/8) Flared Type
Liquid mm (inch) O.D Ø 9.53 (3/8) Flared Type
Drain mm O.D Ø 32 I.D Ø 20 x 1
Compressor Type, Number of Set - Hermetic - 2P (Rotary), 1
Starting Method - DC - INV control
Motor Type - 4-pole single phase brushless motor
Rated Output kW - 3.8
Fan Type, Number of Set Sirocco Fan, 2 Mix flow fan - 2
Motor Type 4-pole single phase induction motor 6-pole single phase induction motor
Rated Output kW 0.435 0.07 x 2
Air-heat Exchanger (Row x Stage x FPI) Louvre-fin type (3 x 18 x 13) Corrugate-fin type (2 x 51 x 18)
Refrigerant Control - Exp. Valve
Refrigerant Oil (Charged) cm3- FV50S (1200)
Refrigerant (Charged) R410A kg (oz) - 3.50 (123)
Running
Adjustment
Control Switch Wired Remote Control -
Room Temperature Thermostat -
Safety Devices Temperature, current and pressure protection control for compressor,
Internal thermostat for FM, High pressure switch,
Current trans, Crankcase heater
Noise Level dB (A) Cooling : Hi 52 Lo 48
Heating : Hi 50 Lo 46
Cooling 54, Heating 56
Power level dB Cooling : Hi 67 Lo 63
Heating : Hi 65 Lo 61
Cooling 68, Heating 70
Moisture Removal L/h 9.0
EER W/W 2.86
COP W/W 3.41
ITEM / MODEL Condition by JIS-B8615
Volts V 380 400 415
Phase 3N 3N 3N
Power Consumption kW Cool 4.90 4.90 4.90
Heat 4.69 4.69 4.69
Running Current A Cool 7.7 7.4 7.2
Heat 7.4 7.2 7.0
Starting Current A 7.7 7.4 7.2
Power Factor % Cool 97 96 95
Heat 96 94 93
*Power Factor means total figure of compressor, indoor fan motor and outdoor fan motor.
Panasonic Power source AC, 3N~380V, 400V, 415V 50Hz

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3 Dimensions
3.1. Indoor

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3.2. Outdoor

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4 Refrigeration Cycle

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5 Block Diagram
5.1. Indoor

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5.2. Outdoor
5.2.1. CU-L50DBE5

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5.2.2. CU-L50DBE8

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6 Wiring Diagram
6.1. Indoor

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6.2. Outdoor
6.2.1. CU-L50DBE5

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6.2.2. CU-L50DBE8

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7 Wired Remote Control Operating Instructions
7.1. Name and function of each part
NOTES
• Ensure that the correct button is pressed as simultaneous pressing of the multiple buttons will not make the setting correct.
• The illustration above is for explanatory purposes only. The appearance will be different during actual operation.
• Do not operate the remote control with wet hands. Otherwise, electric shock or malfunction may occur.
• Do not press the remote control buttons with sharp object as this may damage the remote control.
• Buttons marked with * are not needed for normal operation. If one of these buttons is pressed by mistake, press the same button
once more to cancel the operation.
• When the power resumed after power failure, the unit will restart automatically with all the previous settings preserved by the
memory function. (Auto restart function)
• Buttons marked with are not available for operation. If one of these buttons is pressed function will not be available.
REMOTE
The OFF/ON button cannot be used.
LOCAL
All wired remote control buttons can be used.
Time/time setting display
Check display
Fan speed display
Operation mode selection display
FILTER RESET display
(Appears after the cumulative running time reaches approxi-
mately 2,500 hours of operation.)
Temperature setting display (16C - 31C)
Airflow direction setting display
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.
TEMP (UP/DOWN) buttons
Used to select the desired temperature.
AIR SWING (AUTO/MANUAL) buttons
Used to determined the air swing condition, either auto or man-
ual.
FILTER RESET button
Press to reset the “FILTER RESET” display after washing the fil-
ter.
TEST RUN button*
VENTILATION button*
ECONOMY operation button
Provides Energy saving function
ODOUR WASH button
Provides deodorizing function.
CHECK button
Press this button if the check display is flashing.
TIMER/CLOCK SET buttons
Used to set the timer operation and the current time.
Operation indicator
Lights up when the unit in operation.

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7.2. Remote control - display

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7.3. Remote control - panel

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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.
• The day and time become the standard time for all the Timer operations.
• Set the day and time accurately.
• Example : Current Day is Wednesday and Current Time is 8:00.
Note:
• Press “UP button” to increase or “DOWN button” to decrease (interval 1 minute) or hold the button to change the time faster.
• If the “UP or DOWN button” is not pressed for 30 seconds during the day or time setting or if the “SELECT button” is pressed, the
setting at that moment is confirmed and setting will end.
7.5. How to select timer
• 2 types of Timer mode can be selected on the remote control.
- Daily Timer
- Weekly Timer
• These timers cannot be operated simultaneously.
• Select one of these Timers for your convenience.
How to Change the Display
• Press once to change the display from CLOCK to Timer or vice-versa.
• Press more than 3 seconds to change the display from Daily Timer to Weekly Timer or vice-versa.

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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. Daily timer setting
•Display
• How to Set Daily Timer
- You can set only “ON” or only “OFF” or “ON” and “OFF” in a day.
Note:
• The setting timer will be activated everyday.
• Timer nearer to the current time will be activated first.
1. Change Display
Press “MODE button” to change the display to daily timer.
2. ON-Timer, OFF-Timer and select Time
Press “SELECT button”; ON-Timer setting will be displayed.
Press “UP or DOWN button” to select the desired time, (Example: ON 9:00), then press “SET button” to confirm
the selected desired time.
Or press “CANCEL button” if you do not want any setting for ON-Timer.
Then OFF-Timer setting will be displayed.
Press “UP or DOWN button” to select the desired time, (Example: OFF 18:30), then press “SET button” to confirm
the selected desired time.
Or press “CANCEL button” if you do not want any setting for OFF-Timer.

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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.
- You also may select Collective - many days with same time setting or Individual
- single/one day setting.
1. Change Display
Press “MODE button” to change the display to daily timer.
2. Select Day (please refer to next page for example of setting)
You may select Collective or Individual day setting.
• Collective day setting.
Press “SELECT button”: display will show day selection setting.
Press “UP or DOWN button” to select the day. Then press “SET button” to delete triangle mark (deselect)
or add triangle mark (select).
(Triangle mark on top of each day indicates the day to be selected).
Repeat these steps if you want to deselect or select many days.
To confirm the selected days, press the “SELECT button”.
• Individual day setting.
Press “UP or DOWN button” to select the day.
Then press “SELECT button”.
3. Select Time (please refer to next page for example of setting)
For 1st program setting.
Press “UP or DOWN button” to select ON or OFF.
Then press “SET button” to confirm.
Press “UP or DOWN button” again to select the desired time.
(If you want to set them together with your desired temperature, press “TEMP UP/DOWN button” to select
the temperature).
Then press “SET button” to confirm.
Or press “CANCEL button” if you do not want to set any time.
For 2nd ~ 6th program you may refer to the above step.