5.2. Field electrical wiring
Power supply
Min. Circuit Ampacity
2. Use copper supply wires.
A-Control
Warning:
6. Maintenance
H
A
Refrigerant gas cylinder for R410A with siphon
Indoor unit
I
B
Refrigerant (liquid)
Union
J
C
Liquid pipe
Electronic scale for refrigerant charging
D
K
Charge hose (for R410A)
Gas pipe
L
E
Gauge manifold valve (for R410A)
Stop valve
M
F
Service port
G
Refrigerant gas cylinder
operating valve
Fig. 6-1
*1
15 A
12 A
*2
*2
*2
Single phase
Isolator
S1
S2
S3
15 A
14 A
3 poles isolator
S1
A-Control
S2
Indoor Unit
S3
6.1. Gas charge (Fig. 6-1)
1. Connect gas cylinder to the service port of stop valve (3-way).
2. Execute air purge of the pipe (or hose) coming from refrigerant gas cylinder.
cooling.
Note:
erating cycle.
Caution:
tion, reinstallation, or repairs to the refrigerant circuit.
cylinder.
occur in the refrigerant inside the cylinder and the outdoor unit. In this case,
To maintain the high pressure of the gas cylinder, warm the gas cylinder with warm
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