Panasonic WH-TD20B3E5 Service Manual page 12

7.1.1 Wiring at Tank Unit (Electrical box)
SDH 07/09/12/14/16 MODELS
7.1.2 Wiring at Indoor Unit
For SDH07/09 models
1 1 2 3 4 5
Sensor lead wire
3 way valve lead wire
6 5 Earth
BOOSTER HEATER
Cap tire cable
(2.5 mm 2
Must not change the volume knob.
For SDH12/14/16 model s
Earth
6
Booster heater
lead wire
SDF/SDC 07/09/12/14/16 MODELS
× 3 wires)
Must not change the volume knob.
Earth
Booster heater
lead wire
3 way valve
lead wire
Sensor lead
12
8 7 Earth
BOOSTER
HEATER
For SDF/SDC/MDF/MDC models
wire
Cap tire cable
(2.5 mm 2 × 5 cable)
14 13
TANK
OLP
External Controller
Tank Sensor
Tank OLP
Receiver
Booster Heater
3-way valve
2-way valve