Panasonic WH-TD20E3E5 Manuel D'installation page 4

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.
WARNING
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 300mm / Front: above 600mm)
CHARGE THE WATER
Make sure Tank Unit fi lled up with water before switch on the power.
1. Make sure all the piping installations are properly done.
2. Set the water supply valve "OPEN" and all hot water tap "OPEN".
3. Start fi lling water to the Tank Unit. After 20~40min, water should fl ow out
from hot water tap.
Else, please contact your local authorized dealer.
4. Switch ON the power supply of the Indoor unit. Then set the indoor
control panel to "Tank Connection" to "Yes".
After that, change operation mode to "Tank Mode". Make sure water
pump running.
Else, please contact your local authorized dealer.
5. Check and make sure no water leaking at the tube connecting points.
After complete the installation, please pass this manual to customer.
4
WARNING
2
) for wiring.
WARNING
WARNING
EXAMINE THE ANODE ONCE A YEAR
To protect the pressure vessel an anode is placed inside the tank. The
anode will, depending on the water quality, corrode. When diameter is
approx. 8 mm the anode must be replaced.
It is easy to check and replace the anode
1. Turn off power supply.
2. Close water supply valve.
3. Manually open the safety valve and drain approx. 2ltrs..
4. Unscrew the anode, check and if necessary replace.
DISCHARGE OF WATER
1. Turn off power supply.
2. Close water supply valve.
3. Open safety valve, by turning knob counter-clockwise until it stays open.
4. Open a hot water tap to allow air inlet.
5. After discharge, close valve continue turning counter-clockwise until the
valve snaps shut.
PRECAUTION ON USAGE
•
When using hot water, it must be mixed with water.
Please check the hot water's temperature before using it. (Hot water
may cause scalding.)