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Additional Charge
The refrigerant is pre-charge in the outdoor unit. If the piping length is less than 7.5m, then additional charge after vacuuming
is not necessary. If the piping length is more than 7.5m then use the additional charge value as indicated in the table.
Additional refrigerant charge [g] per additional 1m length as tabulated (for R22 models)
Cooling only
Indoor
Outdoor
Additional charge [g/m]
Heat Pump Unit
Indoor
Outdoor
Additional charge [g/m]
Additional refrigerant charge [g] per additional 1m length as tabulated (for R410A models)
Cooling only
Indoor
5CK20E
Outdoor
5SL20C
Additional charge [g/m]
9
Heat Pump Unit
Indoor
5CK20ER
Outdoor
5SL20CR
Additional charge [g/m]
16
Example:
CK25E & SL25C with 13m piping length, additional piping length is 5.5m. Thus,
Additional charge = 5.5[m] x 38[g/m]
= 209[g]
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.
Cooling Only
(5)CK20/25/28E Vs (5)SL20/25/28C
COMP
Indoor Unit
N1
Terminal
Block
L
N
All manuals and user guides at all-guides.com
CK20E
CK25E
CK28E
SL20C
SL25C
SL28C
38
38
CK20ER
CK25ER
CK28ER
SL20CR
SL25CR
SL28CR
22
57
5CK25E
5CK28E
5SL25C
5SL28C
46
23
5CK25ER
5CK28ER
5SL25CR
5SL28CR
72
41
ELECTRICAL WIRING CONNECTION
Interconnection
Cable
Power Supply Cable
CK40E
SL35C
SL40C (1PH) SL40C (3PH)
55
56
55
CK40ER
SL35CR
SL40CR (1PH) SL40CR (3PH)
58
57
56
5CK40E
5SL35C(1 PH) 5SL35C (3 PH) 5SL40C (1 PH) 5SL40C (3 PH)
27
27
5CK40ER
5SL35CR (1 PH) 5SL35CR (3 PH) 5SL40CR (1 PH) 5SL40CR (3 PH)
43
41
!
The electrical power must be provided with
protection devices (circuit breaker or fuse) with
double pole separation system (phase + neutral) with
minimum contact gap of 3.0mm.
1-12
CK50E
SL50C
56
55
CK50ER
SL50CR
56
64
5CK50E
5SL50C
24
25
24
5CK50ER
5SL50CR
37
37
38
COMP
Outdoor Unit
Terminal Block
N
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