Panasonic Cs W50bd2p Cu V50bbp8 Cu W50bbp8 Repair Manual

14 COMPONENT SPECIFICATION
Compressor
ModelsHeat pump
model50HzCU-W50BBP8
Cooling only
model50HzCU-V50BBP8
60Hz-
Compressor Modelsingle-phase-
3-phaseR68KCE-TFD
Compressor Type
No. of CylindersSCROLL
1
Revolutionr/min.2,900
Piston Displacementm3/min.16.18
MotorType
Starting MethodDirect On-Line Starting
Rated OutputkW4.1
Poles
Insulation Glass2
E
RevolutionMEL56MMMAPOE
RevolutionL1.8
Evaporator
Models (Cooling Only Model)CS-W50BD2P
Tube MaterialCopper Tube
Outer Diametermm9.5
Thicknessmm0.28
Row3
No. of...

Condenser
ModelsHeat pump modelCU-W50BBP8
Cooling only modelCU-V50BBP8
Tube MaterialCopper tube
Outer Diametermm9.52
Thicknessmm0.3
Row2
No. of Tubes/Row46
Fin MaterialAluminium
Thicknessmm0.105
Fin PitchNo./inch14
Fin SurfaceX-Louvre-fin
Total Face Aream21.05
Fan
TypePropeller Fan
No.of unit2
Fan Motor
Starting MethodDirect on-line Starting
Rated OutputkW0.055 X 2
Poles6
PhaseSingle-Phase
Insulation ClassE
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15 CAPACITY AND POWER CONSUMPTION
Q
QQ Q
PERFORMANCE DATA
COOLING PERFORMANCE
ModelCooling capacities are based conditions
CS-W50BD2POIndoor temp. 27°C D.B. 19°C W.B.
OOutdoor temp. 35°C D.B.
OStandard air volume 36 m
3/min
OExternal Static Pressure (147Pa)Cooling capacity
12.5kW
EnteringTemperatu re Air Entering Condenser (°C D.B.)
Air25°C30°C35°C40°C43°C
Temperatu reTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPT
D.B.W.B.kWkWkWkWkWkWkWkWkWkWkWkWkWkWkW...

16 DISCHARGE AND SUCTION PRESSURE
16.1. SATURATION TEMPERATURE OF DISCHARGE AND SUCTION
PRESSURE
O
OO O
Commonness TO ALL THE MODELS
O
OO O
SATURATIONTEMPERATURE OF DISCHARGE AND SUCTION PRESS URE
*For intake temperature, consult the pressure - Enthalpy Table (R407C) at the end.
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17 SOUNDDATA
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18.1. TWIN
 
    • 
• •  • 
Simultaneous air conditioning of wide spaces and corners is
possible.
 
    • 
• •  • 
Master units and slave-units can be set automatically in twin
and triple systems. No address setting is necessary.
 
    • 
• •  • 
Multiple indoor units can be operated simultaneousl y with a
single remote control unit. Note that individual operation is
not possible.
18 TWIN OPERATION
18.1.1. Operation
(Twinoperation setting)
 
    • 
• •  • 
The master units and slave units are set...

Automatic address setting fortwinsystem
Procedure:Turn on the power supply for the indoor and outdoor units.
Operation:Automatic address setting will start 10 to 30 seconds after the power supply is turned on, and will be completed after about 1
minute.
If the power supplies for the indoor unit and outdoor unit cannot be turned on at the same time, turn on the power supply for the
outdoor unit, the indoor unit which is connected to the remote control, and then the other indoor units in that order.
If the...

Function Automatic address resetting fortwinsystem s
 
    • 
• •  • 
This clears the current twin addresses which have been set automatically , and causes automatic twin address setting to be
carried out once more.
Procedure:Press the ADDRESS RESET switch SW3 (push button switch) on the outdoor unit circuit board continuously until LEDs 2 to 8 on
the outdoor unit circuit board are all illuminated (takes approx. 3.5 seconds).
Operation:The outdoor unit will reset the addresses for the indoor units which...

 
    • 
• •  • 
The branch pipe should be horizon tal to or perpendicular to the indoor unit.
 
    • 
• •  • 
Installin g branch pipes
18.3. Refrigerant charging
 
    • 
• •  • 
For twin systems
The pipe length is the total of the branch pipe (L) and the junction pipes (Ia→
tIb→
t Ic in order from the thickest diameter). At
the point where the pipe length exceed s 30 m, determine the amoun t of refrigerant for the remaining liquid-side pipe diameters
and pipe lengths from the following table in order...

18.4. Wiring
Whenboth indoor and outdoor unit draw power
(Example: 3 Phase power supply model)
When only theoutdoor unit draws power
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