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4. Installing the refrigerant piping
4.7. For twin combination (For A24, A36 only)
Refrigerant piping limitation of length, height difference are shown in the fi gure. (Fig.
4-8)
A Indoor unit
B Outdoor unit
C Multi distribution pipe (option)
D Height difference (Indoor unit-Outdoor unit) Max. 30 m, 100 ft
E Height difference (Indoor unit-Indoor unit) Max. 1 m, 3 ft
5. Drainage piping work
Outdoor unit drainage pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
Fig. 4-8
A12, A18 A24-A42
Drain socket PAC-SG61DS-E
Drain pan PAC-SG63DP-E PAC-SG64DP-E
6. Electrical work
6.1. Outdoor unit (Fig. 6-1, Fig. 6-2)
1 Remove the service panel.
2 Wire the cables referring to the Fig. 6-1 and the Fig. 6-2.
Fig. 6-1
Fig. 6-2
A12, A18
B
C
A
A24, A36 : A+B+C 50m, 165 ft
|
B–C
|
8m, 26 ft
S3
S3
S2
S1
S2S1L1 L2
GR
Indoor unit
Outdoor unit
Remote controller
Main switch (Breaker)
Earth
For Power
For Power
A24-A42
L1
GR
L2 S1 S2 S3
Earth terminal
Terminal block
Clamp
Service panel
Wirethecablessothattheydonot
contact the center of the service
panel or the gas valve.
L1
GR
L2 S1 S2 S3