McQuay A Serie Manuel D'installation page 13

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 120 380 640 900 1150 1410
Cooling Only (R407C)
10m 15m 20m 25m 30m 35m
CK20A 40
CK25A 80
CK30A/40A/50A 120 360 600 840 1090 1330
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.
All manuals and user guides at all-guides.com
110 - - -
270 - - -
110 - - -
260 - - -
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
There must be a double pole switch with
!
Supply
minimum 3mm contact gap and fuse/circuit
Cable
breaker as recommended in the fixed
installation circuit.
Power Supply Cable
1-8
10m 15m 20m 25m 30m 35m
40 110 - -
90 270 - -
280 460 650 830 1020
10m 15m 20m 25m 30m 35m
40 110 - -
80 260 - -
260 430 610 780 960
CK25A CK30A
SL25B/25C SL28C/30C
! or 208-230V/1Ph/60Hz+
20 25
2.5 4.0
3 3
2.5 2.5
3 4
Outdoor Unit
COMP
Terminal
N
Block
COMP
L
Outdoor Unit
N
Terminal
Block
L
N
- -
- -
- -
- -
!