Drainage Piping Work; Electrical Work - Mitsubishi Mr. Slim PUHZ-HRP-HA2 Installation Manual

4. Installing the refrigerant piping
<Limits of refrigerant piping installation>
HRP71, 100, 125 : A+B+C ” 75 m
HRP200 : A+B+C(+D)(+E) ” 80 m
* "D" is for triple".
* "E" is for four (quadruple).

5. Drainage piping work

Outdoor unit drainage pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
HRP71, 100, 125
Drain socket
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.
L
D
N
For Heater
S1
S2
E
S3
B
L N S1 S2 S3
E
D
D
For Power For Power
B
E
Fig. 6-1
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.
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 piping
Max. 20m
Fig. 4-10
HRP200
PAC-SG61DS-E
PAC-SH97DP-E
* With Heater
model only
A
A Indoor unit
B Outdoor unit
C Remote controller
C
D Main switch (Breaker)
E Earth
For Heater For Heater For Heater
D D D
A A
C
E E
E
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.
Permissible total
Outdoor unit piping length
A+B+C+D+E
HRP71, 100, 125
75 m and less
HRP200 80 m and less
Outdoor unit
HRP71 - 200
A
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.
A+B or A+C Charge-less
or piping length
A+D or A+E A+B+C+D+E
30 m and less
—
30 m and less
70 m and less
| B-C | or | B-D | or
| B-E | or | C-D | or
No. of bends
| C-E | or | D-E |
Within 15
8 m and less
HRP71, 100V
L N S1 S2 S3
HRP100-200Y
L1 L2 L3 N S1 S2 S3
Fig. 6-2
9