Panasonic WH-MHF09G3E5 Service Manual page 40

Connecting with external device (optional)
1. All connections shall follow to the local national wiring standard.
2. It is strongly recommended to use manufacturer-recommended parts and accessories for installation.
3. Maximum output power of booster heater shall be ≤ 3 kW. Booster Heater cord must be (3 × min 1.5 mm
type designation 60245 IEC 57 or heavier.
4. Three-way Valve shall be spring and electronic type, refer to "Field Supply Accessories" table for details. Valve
cable shall be (3 × min 0.5 mm
sheathed cable.
* note: - Shall be CE marking compliance component.
- It shall be directed to heating mode when it is OFF.
- Maximum load for the valve is 9.8VA.
5. Room Thermostat cable must be (4 or 3 × min 0.5 mm
polychloroprene sheathed cable.
6. Tank OLP cable must be (2 × min 0.5 mm
sheathed cable.
* note: - if such connection deemed NO necessary for tank OLP, please connect jumper between terminal
no. 13 and 14.
7. Tank Sensor shall be resistance type, please refer to Graph 4.1 for the characteristic and details of sensor. Its
cable shall be (2 × min 0.3 mm
polychloroprene sheathed cable.
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 4 (optional) to Mono bloc unit when Solar Pump Station is utilized. Refer
Solar Connection PCB's installation instruction for detail of installation.
Apply cut
Bushing 7
How to guide cable/cord to bushing
2
), of type designation 60245 IEC 57 or heavier, or similarly double insulation
2
), double insulation layer of PVC-sheathed or polychloroprene
2
), double insulation layer (with insulation strength of min 30V) of PVC-sheathed or
2
), double insulation layer of PVC-sheathed or polychloroprene sheathed
Bind all power
supply cords to the
U-Shaped Tube
(Covered with
foam) with band
strap (field supply)
Bind all
optional cables
and cords with
this bands.
Bind all power
supply cords to the
Tube (Covered with
foam) with band
strap (field supply)
Guide all the
cable/cord
through the
bushing
2
), double insulation layer of PVC-sheathed or
.
rms
40
2
), of