Panasonic CS-A28BKP5 / CU-A28BKP5 Service Manual ▷ View online
Outdoor Unit
4-Way Valve Control
• When the unit is switched to “OFF”
during Heating operation, 4-way valve
stays at Heating Position for 5 minutes.
stays at Heating Position for 5 minutes.
60 Secs. Forced Operation Control
• Once the compressor is activated, it
does not stop for 60 secs. (Stops imme-
diately with remote control stop signal.)
diately with remote control stop signal.)
Outdoor Fan Operation Control
• 4-pole induction motor (2-speed)
• For Cooling or Soft Dry Operation
• For Cooling or Soft Dry Operation
Hi-speed … when outdoor temperature
reaches to 31°C
Lo-speed … when outdoor temperature
reaches to 29°C
• For Heating Operation
Hi-speed ... when outdoor temperature
reaches to 13.5°C.
Lo-speed ... when outdoor temperature
reaches to 15.5°C.
• For Over-heating Protection, the Fan is
switched ON or OFF depending on the
piping temperature and the outdoor
temperature.
piping temperature and the outdoor
temperature.
Overload Protector
• Inner protector (Compressor, Fan Motor).
Deice Control
• To prevent frosting at outdoor heat
exchanger during Heating Operation.
5
CS-A28
BKP5
/CU-A28
BKP5
3 Product Specifications
Unit
CS-A28
BKP5
CU-A28
BKP5
Cooling Capacity
kW
Btu/h
7.92 - 7.80
27,000 - 26,600
Heating Capacity
kW
Btu/h
8.35 - 8.25
28,500 - 28,200
Moisture Removal
l/h
Pint/h
4.6
9.7
9.7
Power Source
Phase
V
Cycle
Single
230 - 220
50
Airflow Method
OUTLET
INTAKE
SIDE VIEW
TOP VIEW
Air Volume
Indoor Air (Lo)
m
3
/min (cfm)
Cooling; 14.2 (501)
—
Heating; 15.6 (551)
Indoor Air (Me)
m
3
/min (cfm)
Cooling; 15.0 (530)
—
Heating; 16.4 (579)
Indoor Air (Hi)
m
3
/min (cfm)
Cooling; 16.3 (575)
—
Heating; 17.7 (625)
Outdoor Air
m
3
/min (cfm)
—
Cooling; 59.0 (2,083)
Heating; 59.2 (2,090)
Heating; 59.2 (2,090)
Noise Level
dB (A)
Cooling; 48/46/44
Cooling; 63/55
Heating; 48/44
Heating; 63/55
Electrical Data
Input
kW
Cooling; 2.62 -2.60
Heating; 2.88 - 2.85
Running Current
A
Cooling; 12.2 - 12.5
Heating; 13.2 - 13..5
Heating; 13.2 - 13..5
COP
W/W
Cooling; 3.0 - 3.0
Heating; 2.9 - 2.9
Heating; 2.9 - 2.9
Starting Current
A
76
Piping Connection Port
(Flare piping)
(Flare piping)
inch
inch
inch
G ; Half Union 5/8”
L ; Half Union 1/4”
G ; 3-way valve 5/8”
L ; 3-way valve 1/4”
Pipe Size
(Flare piping)
(Flare piping)
inch
inch
inch
G (gas side); 5/8”
L (liquid side); 1/4”
G (gas side); 5/8”
L (liquid side); 1/4”
Drain
Hose
Hose
Inner diameter
mm
14
—
Length
m
0.73
—
6
CS-A28
BKP5
/CU-A28
BKP5
Power Cord Length
Number of core-wire
Number of core-wire
m
2.1
3 (2.5 mm
2
)
—
—
—
Dimensions
Height
inch (mm)
14 - 9/16 (370)
26 - 31/32 (685)
Width
inch (mm)
48 - 1/32 (1,220)
34 - 21/32 (880)
Depth
inch (mm)
8 - 21/32 (220)
13 - 19/32 (345)
Net Weight
lb (kg)
40 (18)
150 (68)
Compressor
Type
—
Scroll type
Motor
Type
—
Induction (2-poles)
Rated
Output
kW
—
2.11
Air Circulation
Type
Cross-flow Fan
Propeller Fan
Material
AS + Glass Fiber 30%
AS + Glass Fiber 20%
Motor
Type
Induction (4-poles)
Induction (4-poles)
Input
W
—
—
Rated
Output
W
40
100
Fan Speed
Low
rpm
Cooling; 1,262 Heating; 1,250
920 - 880
Medium
rpm
Cooling; 1,322 Heating; 1,328
—
High
rpm
Cooling; 1,418 Heating; 1,420
1,200 - 1,170
Heat Exchanger
Description
Evaporator
Condenser
Tube material
Copper
Copper
Fin material
Aluminium
Aluminium
Fin Type
Louver
Louver
Row / Stage
(Plate fin configuration, forced draft)
2 × 10
2 × 26
FPI
18
18
Size (W × H × L)
mm
966.5 × 254 × 44
826 × 663.9 × 44
Refrigerant Control Device
—
Capillary Tube
Refrigeration Oil
(cm
3
)
—
SONTEX
200 LT (1,242)
Refrigerant (R-22)
g (oz)
—
1,800 (63.5)
Thermostat
Electronic Control
Electronic Control
Protection Device
Inner Protector
Inner Protector
Capillary Tube
Length
mm
—
Cooling; 850, Heating; 1,200
Flow Rate
l/min
—
Cooling; 21.8, Heating; 23 (1/2 ATM)
Inner Diameter
mm
—
Cooling; 2.0, Heating; 2.4
Air Filter
Material
Style
Style
A.B.S
Honeycomb
—
Compressor Capacitor
µF, VAC
—
50 µF, 370VAC
Fan Motor Capacitor
µF, VAC
2.0 µF, 450VAC
3.0 µF, 450VAC
•
Specifications are subject to change without notice for further improvement.
7
CS-A28
BKP5
/CU-A28
BKP5
4 Dimensions
8
CS-A28
BKP5
/CU-A28
BKP5
CS-A28BKP5/ CU-A28BKP5
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