7
4. Installing the refrigerant piping
Fig. 4-8
4.7. For twin/triple/quadruple combination (Fig. 4-8)
• When this unit is used as a FREE COMPO MULTI unit, install the refrigerant
piping with the restrictions indicated in the drawing on the left. In addition, if the
restrictions are going to be exceeded, or if there are going to be combinations of
indoor and outdoor units, refer to installation instructions for the indoor unit for
details about the installation.
Outdoor unit
Permissible total
piping length
A+B+C+D+E
Charge-less
piping length
A+B+C+D+E
P200
P250
70 m and less
30 m and less
Outdoor unit
| B-C | or | B-D | or
| B-E | or | C-D | or
| C-E | or | D-E |
No. of bends
P200
P250
8 m and less
Within 15
| B–C |
| B–D | 8 m
| C–D |
A+B+C(+D)(+E) 70 m
* “D” is for triple.
* “E” is for four (quadruple).
A
Indoor unit
B
Outdoor unit
C
Multi distribution pipe (option)
D
Height difference (Indoor unit-
Outdoor unit) Max. 30 m
E
Height difference (Indoor unit-
Indoor unit) Max. 1 m
A: Main piping
B, C, D, E: Branch piping
<Limits of refrigerant piping installation>
5. Drainage piping work
Outdoor unit drainage pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
Drain socket
PAC-SG61DS-E
Drain pan
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.
A
Indoor unit
B
Outdoor unit
C
Remote controller
D
Main switch (Breaker)
E
Earth
For Power
For Power
For Heater
For Heater
For Heater
For Heater
For Heater
* With Heater
model only
A
Power supply terminal block (L1, L2, L3, N, )
B
Indoor/outdoor connection terminal block (S1, S2, S3)
C
Service panel
D
Clamp
* Clamp the cables so that they do not contact the center of the service panel or the gas
valve.
Note: If the protective sheet for the
electrical box is removed dur-
ing servicing, be sure to rein-
stall it.
* Except PEA-RP200, 250, 400, 500GA
PUHZ-200, 250
PEA-200, 250
A
Power supply
B
Earth leakage breaker
C
Circuit breaker or local switch
D
LCD remote controller
E
Outdoor unit
F
Indoor unit
G
Power cable wiring
H
Indoor/Outdoor connection wiring
I
Grounding
Fig. 6-1
* In case of PEA-200, 250
BH79D068H02_en.indd 7
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