Repair and adjustment
43
Service instructions
5015108-00Edition 0403
Booster tank
The booster tank contains hot water. This may cause scalding
injuries if proper procedures are not followed.
It is essential to drain the booster tank when servicing the booster
tank and its valves. This is in order to prevent scalding, since the
temperature of the water in the booster tank is about 85 degrees
Celsius (about 180 degrees F)
Booster tank with drain tap
The tank is drained via a drain tap on the back of the tank. Make sure that the
tap is not open before unscrewing the plug. If a nipple with G ¼ male thread is
used, the associated hose can be fitted to the drain tap. The tank can now be
drained.
After draining, check that the drain tap is working properly. Seal the plug with
PTFE tape and refit it.
The microswitch must be checked as well, since it activates the booster tank.
The booster tank heating must never be on when the door(s) is/are down for
loading/unloading goods.
When servicing is complete, check the entire system for water leaks.
The booster tank must be filled before a process is started. To do this, open the
DW valve via the control system. This is important, in order to avoid unwanted
fault codes when starting the machine.
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