Weishaupt WTC-GB 25-B Compact User Manual

Installation and operating instruction
Gas condensing unit WTC-GB 15-B Compact and WTC-GB 25-B Compact
9 Servicing
83309302 1/2018-05 La
127-196
9.2.3 Clean fresh water storage tank
Observe notes on servicing [ch.9.2.1].
CAUTION
Corrosion due to damaged protective layer
A protective layer (white coating) is formed in the fresh water storage tank by the
magnesium anode. A damaged protective layer can lead to corrosions.
Do not damage the protective layer:
do not mechanically clean the fresh water storage tank,
do not use abrasive cleaners.
Shut down the condensing unit.
Remove front panel.
Drain fresh water storage tank.
Remove flange insulation1.
Remove screws2 on inspection flange3.
Remove inspection flange and flange gasket4.
Wash out with water hose – or – clean with descaler, observing manufacturer's
instructions.
Remove sediment.
Fit new flange gasket, ensuring sealing surfaces are clean.
Fit inspection flange, tighten screws diagonally across (35 Nm +5).
Connect anode cable.
CAUTION
Corrosion due to missing anode cable
If the electrical connection of the anode to the steel wall is missing, no protective
layer is formed. A missing protective layer can lead to corrosions.
Connect anode cable.
Anode is connected to fresh water storage tank.
Refit front panel.
4
3
2
1

Weishaupt WTC-GB 25-B Compact Specifications

General

Brand	Weishaupt
Model	WTC-GB 25-B Compact
Category	Heat Pump
Language	English