S3
S3
S2
S1
N
L
S2
S1
L N
9
Fig. 4-10
4.8. For twin/triple/quadruple combination (Fig. 4-10)
• 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
A+B or A+C
or
A+D or A+E
Charge-less
piping length
A+B+C+D+E
HRP200
HRP200
: A+B+C(+D)(+E)
!
80 m
* “D” is for triple“.
* “E” is for four (quadruple).
Indoor unit
Outdoor unit
Multi distribution pipe (option)
Height difference (Indoor unit-
Outdoor unit) Max. 30 m
Height difference (Indoor unit-
Indoor unit) Max. 1 m
A: Main piping
B, C, D, E: Branch
Max. 20m
piping
<Limits of refrigerant piping installation>
| B-C | or | B-D | or
| B-E | or | C-D | or
| C-E | or | D-E |
No. of bends
HRP71 - 200
Within 15
HRP71, 100, 125
—
75 m and less
80 m and less
70 m and less
30 m and less
30 m and less
Outdoor unit
8 m and less
HRP71, 100, 125 : A+B+C
!
75 m
4. Installing the refrigerant piping
HRP71, 100, 125
HRP200
Drain socket
PAC-SG61DS-E
Drain pan
PAC-SG64DP-E
PAC-SH97DP-E
5. Drainage piping work
Outdoor unit drainage pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
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.
C
Fig. 6-1
* With Heater
model only
A
Indoor unit
B
Outdoor unit
C
Remote controller
D
Main switch (Breaker)
E
Earth
Fig. 6-2
A
D
B
D
D
D
D
D
A
A
A
B
C
E
E
E
E
For Heater
For Power
For Power
For Heater
For Heater
For Heater
L
N
S1 S2 S3
HRP71, 100V
L1 L2 L3 N
S1 S2 S3
HRP100-200Y
F
Terminal block
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.
Note :
If the protective sheet for the electrical box is removed during servicing, be sure to
reinstall it.
Caution:
Be sure to install N-Line. Without N-Line, it could cause damage to the unit.
E
E
Note: Only for Air to water application
When multiple indoor units (Hydro boxes) are connected to the outdoor
unit, wire the PCB of either one of the indoor unit and the outdoor unit
(S1,S2,S3).
It is impossible to connect the PCBs of multiple indoor units to the outdoor
unit.
01̲RG79D564H02̲EN.indd 9
2009/08/26 8:34:18
