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Additional Charge (In gram)
The refrigerant is pre-charge in the outdoor unit, but additional charge of refrigerant after vacuuming is necessary. Follow
the recommendation as tabulated below.
Cooling Only (R22)
10m 15m 20m 25m 30m 35m
CK20A
40
CK25A
90
CK30A/40A/50A
120
Cooling Only (R407C)
10m 15m 20m 25m 30m 35m
CK20A
40
CK25A
80
CK30A/40A/50A
120
Cooling & Heatpump (R410A)
10m 15m 20m 25m 30m 35m
5CK20/25A/AR
30
5CK30/40/50A/AR
80
Cooling Only
IMPORTANT:
* These values are for information only. They should be checked and selected to comply with local and/or
national codes and regulations. They are also subject to the type of installation and size of conductors.
** The appropriate voltage range should be checked with label data on the unit. ETL listed is only applica-
ble to 60Hz power supply only.
CK20A / CK25A & CK30A
Model
Voltage range**
Recommended fuse* (A)
Power supply cable size* (mm
Number of conductors
Interconnection cable size* (mm
Number of conductors
CK20A / 25A <> SL20B / 25B / 20C / 25C
CK30A <> SL28C
CK30A <> SL30C
Indoor Unit
Terminal
Block
There must be a double pole switch with minimum
!
3mm contact gap and fuse/circuit breaker as
recommended in the fixed installation circuit.
110
-
-
-
270
-
-
-
380 640
900 1150 1410
110
-
-
-
260
-
-
-
360 600
840 1090 1330
100
-
-
-
230 390
550 710
870
ELECTRICAL WIRING CONNECTION
Indoor
Outdoor
2
)
2
)
COMP
L
Indoor Unit
N
Terminal
Block
N
COMP
Interconnection Cable
L
N
N
Heatpump (R22)
-
CK20AR
-
CK25AR
CK30AR/40AR/50AR 90
Heatpump (R407C)
-
CK20AR
-
CK25AR
CK30AR/40AR/50AR 80
-
CK20A
SL20B/20C
220-240V/1Ph/50Hz +
16
2.5
3
2.5
3
Interconnection Cable
Power
!
Supply
Cable
Power Supply Cable
1-8
10m 15m 20m 25m 30m 35m
40
110
-
-
90
270
-
-
280 460
650
10m 15m 20m 25m 30m 35m
40
110
-
-
80
260
-
-
260 430
610
CK25A
SL25B/25C
SL28C/30C
!
or 208-230V/1Ph/60Hz+
20
2.5
3
2.5
3
Outdoor Unit
COMP
Terminal
N
Block
There must be a double pole switch with
minimum 3mm contact gap and fuse/circuit
breaker as recommended in the fixed
installation circuit.
COMP
L
Outdoor Unit
N
Terminal
Block
L
N
-
-
-
-
830 1020
-
-
-
-
780 960
CK30A
!
25
4.0
3
2.5
4
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