7
Outdoor unit
Permissible total
piping length
A+B+C+D+E
Charge-less
piping length
A+B+C+D+E
BP100
BP125
BP140
50m and less
20m and less
BP170
BP200
BP250
70m and less
30m and less
4. Installing the refrigerant piping
<Limits of refrigerant piping installation>
E : BP170-250 only
BP100-140:
A+B+C(+D)
{
50 m
BP170-250:
A+B+C(+D)(+E)
{
70 m
*“D” is for triple.
*“E” is for four (quadruple).
| B–C |
| B–D |
{
8 m
| C–D |
A
Indoor unit
B
Outdoor unit
C
Multidistribution pipe (option)
D
Height difference (Indoor unit-
O
utdoor unit) Max. 30 m
E
Height difference (Indoor unit-
Indoor unit) Max. 1 m
A: Main piping
B, C, D, E: Branch piping
Fig. 4-8
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
Darin pan
PAC-SG64DP-E
6. Electrical work
6.1. Outdoor unit (Fig. 6-1)
(1) Remove the service panel.
(2) Wire the cables referring to the Fig. 6-1.
PUHZ-170 - 250
PEA-170 - 250
■
BP100-BP140
F
Power supply terminal block (L, N,
)
G
Indoor/outdoor connection terminal block (S1, S2, S3)
H
Service panel
I
Clamp
* Clamp the cables so that they do not contact the center of the service panel or the gas valve.
* Except PEA-RP170-250WGA
A
Indoor unit
B
Outdoor unit
C
Remote controller
D
Main switch (Breaker)
E
Earth
For Heater
For Heater
For Heater
For Heater
For Power
BP170-BP250 only
Fig. 6-1
■
BP170-BP250
Note: If the protective sheet for the
electrical box is removed during
servicing, be sure to reinstall it.
F
Power supply terminal block : (L1, L2, L3, N,
)
G
Indoor/outdoor connection terminal block (S1, S2, S3)
H
Service panel
I
Clamp
* Clampthe cables so that they do not contact the center of the service panel
or the gas valve.
* In case of PEA-RP170-250WGA
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/Outdoo rconnection wiring
I
Grounding
A
Outdoor unit
B
Indoor unit
C
Main remote controller
D
Subordinate remote con-
troller
E
Standard
(Refrigerant address = 00)
F
Refrigerantaddress = 01
G
Refrigerantaddress = 02
H
Refrigerantaddress = 15
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
| B-C | or | B-D | or
| B-E | or | C-D | or
| C-E | or | D-E |
No. of bends
BP100, 125, 140,
200, 250
8 m and less
Within 15
170,
E, | C-E | | D-E |:BP170- 250 only
For Heater
For Power
*With Heater
model only
