Panasonic Cs W18bd3n Cs W24bd3n Cs W28bd3n Series Repair Manual

							10 OPERATING CHARACTERISTIC
HEAT PUMPMODEL
ModelMain PowerCompressor MotorIndoor UnitOutdoor UnitElectrical Data (50Hz)
SourceFan MotorFan MotorR.CIPT
VoltageFrequencyS.C.R.C.(A)IPT(kW)R.C.IPTR.C.IPT(A)(kW)
(V)(Hz)(A)COOL / HEATCOOL / HEAT(A)(kW)(A)(kW)COOL / HEATCOOL / HEAT
CS-W18BD3N22050387.49 / 7.591.63 / 1.660.600.130.410.098.50 / 8.601.85 / 1.88
CU-W18BBN523050407.19 / 7.291.63 / 1.660.600.130.410.098.20 / 8.301.85 / 1.88
24050426.87 / 6.871.62 / 1.650.600.130.430.107.90 / 7.901.85 / 1.88
CS-W24BD3N220506410.6 / 10.82.31 / 2.350.660.150.460.1011.7 / 11.92.56 / 2.60
CU-W24BBN5230506610.1 / 10.32.30 / 2.340.660.150.470.1111.2 / 11.42.56 / 2.60
24050689.7 / 9.82.30 / 2.340.660.150.480.1110.8 / 10.92.56 / 2.60
CS-W28BD3N220506811.8 / 12.52.57 / 2.730.840.190.460.1013.1 / 13.82.86 / 3.02
CU-W28BBN5230507011.2 / 11.92.56 / 2.720.840.190.470.1112.5 / 13.22.86 / 3.02
240507211.2 / 11.42.56 / 2.720.840.190.480.1112.5 / 12.72.86 / 3.02
CS-W28BD3N38050284.23 / 4.132.47 / 2.610.660.150.460.104.60 / 4.502.72 / 2.86
CU-W28BBN840050294.22 / 4.122.46 / 2.600.660.150.470.114.60 / 4.502.72 / 2.86
41550304.22 / 4.122.46 / 2.600.660.150.480.114.60 / 4.502.72 / 2.86
CS-W34BD3N38050394.32 / 4.623.46 / 3.650.970.220.910.206.20 / 6.503.88 / 4.07
CU-W34BBN840050414.29 / 4.593.45 / 3.640.970.220.940.216.20 / 6.503.88 / 4.07
41550424.26 / 4.563.43 / 3.620.970.220.970.236.20 / 6.503.88 / 4.07
CS-W43BD3N38050587.09 / 7.294.01 / 4.181.150.260.990.227.80 / 8.004.49 / 4.66
CU-W43BBN840050587.08 / 7.284.00 / 4.171.150.261.020.237.80 / 8.004.49 / 4.66
41550587.07 / 7.273.98 / 4.151.150.261.040.257.80 / 8.004.49 / 4.66
Legend:
S.C.: Starting Current
R.C.: Runnin g Current
IPT: Power Consumption
41 
						

							11 FAN PERFORMANCE
42 
						

							!
!! !
CS-W18B D3N
Fan Performance Curve
!
!! !
CS-W24B D3N
Fan Performance Curve
43 
						

							!
!! !
CS-W28B D3N
Fan Performance Curve
!
!! !
CS-W34B D3N
Fan Performance Curve
44 
						

							!
!! !
CS-W43B D3N
Fan Performance Curve
45 
						

							12 SAFETY DEVICE
 
    • 
• •  • 
INDOOR UNIT
Indoor unitModelCS-
W18BD3NCS-
W24BD3NCS-
W28BD3NCS-
W28BD3NCS-
W34BD3NCS-
W43BD3N
For fan motor protection
InternalOFF°C135135135135135135
Protector (49F)ON°C878787878787
For control protection
FuseCUTA3.153.153.153.153.153.15
 
    • 
• •  • 
OUTDOOR UNIT
Outdoor unitHeat
pump
model50HzCU-
W18BBN5CU-
W24BBN5CU-
W28BBN5CU-
W28BBN8CU-
W34BBN8CU-
W43BBN8
For refrigerant cycle
High pressureOFFMPa3.13.13.13.13.13.1
switch (63H1)ONMPa2.32.32.32.32.32.3
For compressor
Over current protection
Heat pump
modelOFFA15172381113
Cooling
only modelOFFA 50Hz15172381113
RESET-AutomaticAutomaticAutomaticAutomaticAutomaticAutomatic
Discharge temp.
protection
Discharge temperature
thermistor (Th1)Com-
pressor
OFF°C115115120120120120
Liquid compress
protection
Crankcase heaterInput
powerW26~3131~3731~3731~3734~4134~41
Compressor protection
Internal protectorOFF°C
50Hz150160160120145135
ON°C
50Hz909090906161
Trip
time°C3-10sec/
52A5-15sec/
74A5-15sec/
74A-3-10sec/
37A2-10sec/
45A
For fan motor
protectionOFF°C
50Hz135135135135135135
Internal protector
(49F)ON°C
50Hz858585858585
Heating control
(Heat pump only)
Pressure switchOFFMPa2.352.352.352.352.352.35
(Fan speed)(63H2)ONMPa1.961.961.961.961.961.96
Cooling control
Heat exchanger outlet
temperature thermistor
(Th2)Control
methodTh30°C---High speed
Th
						

							13 COMPONENT SPECIFICATION
Compressor
ModelsHeat pump
model50HzCU-W18BBN5CU-W24BBN5CU-W28BBN5
CU-W28BBN8CU-W34BBN8CU-W43BBN8
Compressor ModelPE31VNEMTNE41VNHMTNE44VNHMTZR48KCE-TFDZR57KCE-TFD
NE44YDNMT
Compressor Type
No. of CylindersROTARYSCROLL
11111
Revolutionr/min.2,9002,9002,9002,9002,900
Piston Displacementm3/h5.437.277.7311.3913.42
Motor Type
Starting MethodDirect on-line Starting
Rated OutputkW1.31.92.03.03.5
Poles
Insulation Glass2
E2
E2
E2
E2
E
Oil TypeMEL56MEL56MEL56MMMAPOEMMMAPOE
ChargeL0.71.31.31.32.0
Evaporator
ModelsCS-W18BD3NCS-W24BD3NCS-W28BD3NCS-W34BD3NCS-W43BD3N
Tube MaterialCopper Tube
Outer Diametermm9.529.529.529.529.52
Thicknessmm0.360.360.360.360.36
Row33323
No. of Tubes/Row1010101010
Fin MaterialAluminum
Thicknessmm0.1150.1150.1150.1150.115
Fin PitchNo./inch1414141412
Fin SurfaceX-Louvre-finX-Louvre-finX-Louvre-finX-Louvre-finX-Louvre-fin
Total Face Aream20.160.210.210.350.35
FanSirocco
Type
No. of/Unit22234
Fan motorDirect On-Line Starting
Starting Method
Rated OutputkW0.0850.0850.1150.150.20
Poles44444
PhaseSingle-PhaseSingle-PhaseSingle-PhaseSingle-PhaseSingle-Phase
Insulation ClassEEEEE
47 
						

							Condenser
ModelsHeat pump modelCU-W18BBN5CU-W24BBN5CU-W28BBN5
CU-W28BBN8CU-W34BBN8CU-W43BBN8
Tube MaterialCopper tube
Outer Diametermm9.529.529.529.529.52
Thicknessmm0.30.30.30.30.3
Row22222
No. of Tubes/Row3434344646
Fin MaterialAluminum
Thicknessmm0.1050.1050.1050.1050.105
Fin PitchNo./inch1414141414
Fin SurfaceX-Louvre-finX-Louvre-finX-Louvre-finX-Louvre-finX-Louvre-fin
Total Face Aream20.610.610.610.821.05
Fan
TypePropeller Fan
No.of /Unit11122
Fan Motor
Starting MethodDirect on-line Starting
Rated OutputkW0.050.0550.0550.055 X 20.055 X 2
Poles66666
PhaseSingle-PhaseSingle-PhaseSingle-PhaseSingle-PhaseSingle-Phase
Insulation ClassEEEEE
48 
						

							14 CAPACITY AND POWER CONSUMPTION

 
PERFORMANCE DATA
COOLING PERFORMANCE
ModelCooling capacities are based conditions.
CS-W18BD3N!Indoor temp. 27°C D.B. 19°C W.B.
!Outdoor temp. 35°C D.B.
!Standard air volume 17 m
3/min
!External Static Pressure (69Pa)Cooling capacity
5.1kW
EnteringTemperatu re Air Entering Condenser (°C D.B.)
Air25°C30°C35°C40°C43°C
Temperatu reTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPT
D.B.W.B.kWkWkWkWkWkWkWkWkWkWkWkWkWkWkW
175.313.591.615.103.551.704.813.441.834.453.281.974.153.132.06
23195.603.011.705.433.031.805.152.981.944.812.882.094.522.792.19
226.102.561.845.942.611.945.672.612.095.322.552.255.012.502.36
175.244.161.605.044.101.704.763.971.834.423.771.964.153.622.05
25195.603.681.705.413.661.815.133.571.944.783.422.094.513.322.18
226.103.041.845.923.071.955.633.032.105.062.832.254.992.892.36
175.184.931.594.994.841.704.714.711.824.394.391.954.164.162.04
27195.614.291.705.404.231.815.104.101.954.753.912.084.503.802.18
226.093.521.845.893.521.965.593.452.114.813.072.254.983.272.35
175.174.921.584.994.841.684.704.721.804.424.421.924.214.211.99
29195.605.161.695.405.081.805.104.911.924.794.692.054.554.552.13
226.074.101.865.874.081.985.553.982.125.053.712.264.973.752.35
175.164.911.584.994.841.674.384.731.784.444.441.904.244.241.96
32195.595.321.695.405.241.795.105.121.904.814.812.034.594.592.10
226.065.041.885.854.991.995.554.842.125.214.652.264.974.532.34
ModelCooling capacities are based conditions.
CS-W24BD3N!Indoor temp. 27°C D.B. 19°C W.B.
!Outdoor temp. 35°C D.B.
!Standard air volume 20 m
3/min
!External Static Pressure (69Pa)Cooling capacity
6.3kW
EnteringTemperatu re Air Entering Condenser (°C D.B.)
Air25°C30°C35°C40°C43°C
Temperatu reTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPT
D.B.W.B.kWkWkWkWkWkWkWkWkWkWkWkWkWkWkW
176.564.392.146.304.352.265.934.212.445.484.002.635.103.822.70
23196.933.672.276.713.692.406.373.632.585.943.502.785.573.402.87
227.563.102.457.363.162.597.023.162.796.573.093.016.183.033.04
176.485.122.136.235.052.265.874.872.435.444.632.615.104.442.70
25196.934.512.276.694.482.416.334.372.595.904.192.785.554.062.87
227.563.702.457.333.742.606.973.692.806.253.442.976.163.512.99
176.406.082.126.165.972.265.815.812.435.405.402.605.115.112.69
27196.945.282.276.685.212.426.305.042.605.864.802.785.544.662.87
227.554.312.457.304.312.616.924.222.815.943.743.006.143.993.05
176.396.072.116.165.972.245.835.832.405.445.442.565.175.172.64
29196.936.372.266.686.282.406.326.072.565.915.792.735.615.612.83
227.525.042.497.275.012.646.894.892.826.244.552.986.144.603.04
176.386.062.106.165.972.235.845.842.375.475.472.535.225.222.62
32196.926.572.256.686.482.386.336.332.535.945.942.705.665.662.80
227.506.232.517.256.162.666.875.972.836.445.733.026.145.583.12
49 
						

							ModelCooling capacities are based conditions.
CS-W28BD3N!Indoor temp. 27°C D.B. 19°C W.B.
!Outdoor temp. 35°C D.B.
!Standard air volume 25 m
3/min
!External Static Pressure (69Pa)Cooling capacity
7.1kW
EnteringTemperatu re Air Entering Condenser (°C D.B.)
Air25°C30°C35°C40°C43°C
Temperatu reTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPT
D.B.W.B.kWkWkWkWkWkWkWkWkWkWkWkWkWkWkW
177.394.952.297.104.902.426.684.742.606.184.512.815.744.312.92
23197.814.142.437.564.162.577.184.092.766.693.952.956.273.833.04
228.523.492.628.293.572.777.913.562.987.413.483.116.973.413.13
177.305.772.287.025.692.426.615.492.606.135.212.785.755.002.86
25197.815.082.437.545.052.587.144.932.776.654.722.946.264.573.02
228.524.172.628.264.212.787.864.162.997.053.883.016.953.963.04
177.216.852.276.946.732.426.556.552.606.096.092.745.765.762.81
27197.825.952.437.535.872.597.105.682.786.605.412.936.255.253.00
228.514.852.628.234.852.797.804.763.006.694.213.096.924.503.12
177.206.842.266.946.732.406.576.572.566.146.142.665.835.832.80
29197.817.182.417.537.082.567.126.842.746.666.522.856.326.323.00
228.485.682.668.195.652.827.765.513.027.035.133.026.925.193.16
177.196.832.256.946.732.386.586.582.546.176.172.615.885.882.80
32197.807.412.407.537.302.557.147.142.716.696.692.796.386.382.99
228.467.022.688.176.942.847.746.733.027.266.463.116.926.293.34
ModelCooling capacities are based conditions.
CS-W34BD3N!Indoor temp. 27°C D.B. 19°C W.B.
!Outdoor temp. 35°C D.B.
!Standard air volume 35 m
3/min
!External Static Pressure (69Pa)Cooling capacity
10.0kW
EnteringTemperatu re Air Entering Condenser (°C D.B.)
Air25°C30°C35°C40°C43°C
Temperatu reTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPTTCSHCIPT
D.B.W.B.kWkWkWkWkWkWkWkWkWkWkWkWkWkWkW
1710.46.973.4210.06.903.619.416.683.898.706.354.198.096.074.36
231911.05.833.6210.75.863.8310.15.764.129.425.564.408.835.394.58
2212.04.923.9111.75.024.1411.15.024.4510.44.904.759.84.814.80
1710.38.133.409.908.013.619.327.733.898.647.344.168.107.054.33
251911.07.153.6210.67.123.8510.16.944.149.366.654.408.826.444.59
2212.05.883.9111.65.934.1511.15.864.479.95.464.689.805.584.72
1710.29.703.399.809.483.619.229.223.888.578.574.128.118.114.31
271911.08.383.6210.68.273.8610.08.004.159.307.634.418.807.394.61
2212.06.833.9111.66.844.1711.06.704.489.425.944.769.86.344.80
1710.19.603.379.809.483.589.259.253.828.648.644.058.218.214.23
291911.010.13.6010.610.03.8210.09.604.099.379.194.338.918.914.52
2211.98.003.9711.57.964.2110.97.764.509.907.234.779.77.314.89
1710.19.603.369.809.483.569.279.273.798.698.694.008.288.284.18
321911.010.43.5910.610.33.8010.010.04.059.429.424.288.988.984.46
2211.99.94.0011.59.84.2410.99.484.5210.29.104.779.78.864.98
50