7. MAINTENANCE
7.1 Maintenance
7.2 Recommended regular maintenance table
1)
2)
Check the connection between power supply plug and socket
and ground wiring regularly;
Table7-1
Checking
Item
Checking
content
Checking frequency
every month
Action
In some cold area (below 0
ć
), if the system will be stopped for
a long time, all the water should be released in case of freezing
of inner tank and damage of E-heater.
air filter
(inlet/outlet)
1
2
Clean the filter
3)
4)
It is recommended to clean the inner tank and E-heater every
half year to keep an efficient performance.
Replace it if it has
been used out
anode rod
every half year
Check the anode rod every half year and change it, if it has
been used out. For more details, please contact the supplier or
the after-sale service.
3
4
inner tank
E-heater
every half year
every half year
Clean the tank
Clean E-heater
5)
6)
It is recommended to set a lower temperature to decrease the
heat release, prevent scale and save energy if the outlet water
volume is sufficient.
Operate the
hander of PT
valve to ensure
that waterways
are clear.
Clean the air filter every month in case of any inefficiency on the
heating performance.
In terms of the filter set in air inlet directly (namely, air inlet
without connect with duct), the method of dismantle the filter is:
anti-clockwise unscrew the air inlet ring, take out the filter and
clean it completely, finally, remount it to the unit.
PT valve
every half year
5
If water doesn't flow freely when operating the
hander, replace PT valve with a new one
7)
8)
Before shutting the system off for a long time, please:
Shut off the power supply;
Release all the water in water tank and the pipeline and close
all the valves;
Check the inner components regularly.
How to change the anode rod
Turn off the power, and turn off the water inlet valve.
Open hot water tap, and decrease the pressure of the inner
container.
Open the drainage valve, and drain out the water, until there are
no water flow out.
Get off the anode rod.
Replace with a new one, and make sure effective sealed.
Open cold water inlet tap until water flows out from outlet tap,
then turn of water outlet tap.
Power on then restart the unit.
Anode Rod
Fig.7-1
Installation & Owner‘s Manual
18
Summary of Contents for COMPAK KHP 15/190 ACS1
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