Panasonic WH-TD20E3E5 Service Manual page 18

6.2.2 Charge the Water
Make sure Tank Unit filled 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 filling water to the Tank Unit. After 20 ~ 40 min, water should flow 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.
6.2.3 Discharge of Water
1) Turn off power supply.
2) Close water supply valve.
3) Connect hose pipe to drain cock at base of cylinder.
4) Open a hot water tap to allow air inlet.
5) Open drain valve and open temperature & pressure relief valve.
6) After discharge, close a hot water tap and drain valve and temperature & pressure relief valve.
6.2.4 Corrosion Resistance
Duplex stainless steel is naturally corrosion resistant to mains water supply. No specific maintenance is required to
maintain this resistance. Please see guarantee terms for permissible water content.
Please note: This cylinders are not guaranteed for use with a private water supply.
The immersion heater can be removed to provide visual inspection access to the cylinder.
6.2.5 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.)
WARNING
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