Panasonic WH-MHF12G9E8 Service Manual page 41

8. External Controller shall be connected to 1-pole switch with min 3.0mm contact gap. (connection refer to Diagram
4.2). Its cable must be (2 × min 0.5 mm
cable.
* note: - When making such connection, kindly remove the jumper between terminal no. 17 and 18.
- Switch used shall be CE compliance component.
- Maximum operating current shall be less than 3A
9. Must install Solar Connection PCB
Connection PCB's installation instruction for detail of installation.
10. Solar Three-way Valve cable shall be (3 × min 0.5 mm
polychloroprene sheathed cable.
11. Solar Pump Station cable shall be (2 × min 0.5 mm
sheathed cable. Strongly recommended install with maximum length of 10 meter only.
Terminals on the Mono bloc unit
Lead wire cord
Terminal screw
M4
M5
11.4.1 Wire Stripping And Connecting Requirement
Wire stripping
No loose strand when
insert
Remove this
jumper if External
Controller (Optional)
is connected to the
Mono bloc unit
Diagram 4.2: External Controller connecting diagram
2
), double insulation layer of PVC-sheathed or polychloroprene sheathed
(optional) to Mono bloc unit when Solar Pump Station is utilized. Refer Solar
1 2 3 4 5 6
Three-way Booster Heater
Valve Cable
Tightening torque
N•cm { kgf•cm}
157 ~ 196 {16 ~ 20}
196 ~ 245 {20 ~ 25}
Terminal
board
5 mm or
more
(gap between
wires)
External Controller
Terminal
Switch (ON/OFF)
17
18
.
rms
2 ), double insulation layer PVC-sheathed or
2 ), of double insulation PVC-sheathed or polychloroprene
7 8 9 10 11 12 13 14 15 16 17 18
Tank OLP
Room Thermostat
Cable
Cord Cable
Tank Sensor Resistant Vs Temperature
16000
14000
12000
10000
8000
6000
4000
2000
Graph 4.1: Tank sensor characteristic
Conductor
fully insert
ACCEPT
41
19 20 21
Tank External
Solar Three- way
Sensor Controller
Valve Cable
Cable Cable
Only if Solar Connection PCB installed
0
-30 -20 -10 0 10
˚C
Conductor over Conductor not fully
insert insert
PROHIBITED PROHIBITED
22 23
Solar Pump
Station Cable
20 30