Panasonic WH-TD20E3E5 Service Manual page 12

This section is for authorized and licensed electrician / water system installer only.
Be sure to switch off all power supply (Tank Unit power supply, indoor unit power supply, heater power supply etc.)
before performing installation.
1
Install adjustable legs at bottom of tank (3 locations) then adjust the height until the unit stable.
2
Fix the anode bar into socket.
3
Install safety valve at water supply inlet, install drain appropriately.
4
Install 3-way valve at outlet tube of indoor unit, connect heating tube connection with tank pipe.
Be careful on 3-way valve connecting direction
- "Default" condition is at Heating Side
- "On" condition is at Tank Unit
5
Insert sensor until it touches securely end of socket, tighten the cap of socket so that it is not shifted.
(Refer bottom diagram)
6
Connect the cable between heater and OLP, which located inside electrical box as shown at below section.
(Wiring at Tank Unit – (Electrical Box) and Wiring at Indoor Unit)
Use cap tire cable (2.5 mm
For S*H series, 3 cables are needed.
While, for other models, 5 cables is needed.
Fix the cables to the cord protector mountings with cable ties to ensure strain relief closely.
7
Insert the cables of 3-way valve, sensor & heater from bushing at the bottom of indoor unit.
Guide the wire inside the indoor unit with refer to the installation instruction of indoor unit.
Please keep the space for maintenance purpose (Top: above 300 mm / Front: above 600 mm)
WARNING
2
) for wiring.
WARNING
WARNING
12