Panasonic WH-MDC06E3E5, Service Manual

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5 Three-way Valve shall be spring and electronic type, refer to “Field Supply Accessories” table for details.
Valve cable shall be (3 x min 0.5 mm
2
), of type designation 60245 IEC 57 or heavier, or similarly double
insulation 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.
6 Room Thermostat cable shall be connected to “Room Thermostat”, refer to “Field Supply Accessories” table
for details. Room Thermostat cable must be (4 or 3 x min 0.5 mm
2
), double insulation layer of PVC-sheathed
or polychloroprene sheathed cable.
7 Tank OLP cable must be (2 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or polychloroprene
sheathed cable.
* note: if such connection deemed NO necessary for tank OLP, please connect jumper between terminal
no. 13 and 14.
8 Tank Sensor shall be resistance type, please refer to Graph 4.1 for the characteristic and details of sensor.
Its cable shall be (2 x min 0.3 mm
2
), double insulation layer (with insulation strength of min 30V) of PVC-
sheathed or polychloroprene sheathed cable.
9 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 x min 0.5 mm
2
), double insulation layer of PVC-sheathed or
polychloroprene sheathed 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
rms
.
10 Must install Solar Connection PCB (optional) to Mono bloc unit when Solar Pump Station is utilized. Refer
Solar Connection PCB installation instruction for detail of installation.
11 Solar Three-way Valve cable shall be (3 x min 0.5 mm
2
), double insulation layer PVC-sheathed or
polychloroprene sheathed cable.
12 Solar Pump Station cable shall be (2 x min 0.5 mm
2
), of double insulation PVC-sheathed or polychloroprene
sheathed cable. Strongly recommended install with maximum length of 10 meter only.
Terminal screw Tightening torque N•cm {kgf•cm}
M4 157~196 {16~20}
M5 196~245 {20~25}
11.4.1 Wire Stripping And Connecting Requirement