1-8
ELECTRICAL WIRING CONNECTION
CK20A / CK25A & CK30A
Model
Indoor
CK20A
CK25A
CK30A
Outdoor
SL20B/20C
SL25B/25C
SL28C/30C
Voltage range**
220-240V/1Ph/50Hz +
!
or 208-230V/1Ph/60Hz+
!
Recommended fuse* (A)
16
20
25
Power supply cable size* (mm
2
)
2.5
2.5
4.0
Number of conductors
3
3
3
Interconnection cable size* (mm
2
)
2.5
2.5
2.5
Number of conductors
3
3
4
COMP
L
N
N
COMP
N
Interconnection Cable
Indoor Unit
Terminal
Block
Outdoor 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.
CK20A / 25A <> SL20B / 25B / 20C / 25C
CK30A <> SL28C
Power
Supply
Cable
!
COMP
COMP
L
N
N
L
N
L
N
CK30A <> SL30C
Interconnection Cable
Indoor Unit
Terminal
Block
Outdoor 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.
Power Supply Cable
!
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.
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
110
-
-
-
-
CK25A
90
270
-
-
-
-
CK30A/40A/50A
120
380
640
900 1150 1410
Cooling Only (R407C)
10m 15m 20m 25m 30m 35m
CK20A
40
110
-
-
-
-
CK25A
80
260
-
-
-
-
CK30A/40A/50A
120
360
600
840 1090 1330
Cooling & Heatpump (R410A)
10m 15m 20m 25m 30m 35m
5CK20/25A/AR
30
100
-
-
-
-
5CK30/40/50A/AR
80
230
390
550
710
870
Heatpump (R22)
10m 15m 20m 25m 30m 35m
CK20AR
40
110
-
-
-
-
CK25AR
90
270
-
-
-
-
CK30AR/40AR/50AR
90
280
460
650
830 1020
Heatpump (R407C)
10m 15m 20m 25m 30m 35m
CK20AR
40
110
-
-
-
-
CK25AR
80
260
-
-
-
-
CK30AR/40AR/50AR
80
260
430
610
780
960
Summary of Contents for IM-CKA-0501 A Series
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