31
KGV connection to solar panels and central heating
hot-water system
9
7
T
3
12
2
1
T
1
6
7
10
5
4
3
2
T
9
8
5
TV
4
T
12 8
15
7 14 11 13
1. Water heater
2. Central heating
hot-water system
3. Solar panel
4. Differential thermostat with
sensors (T1, T2, T3, T4)
5. Bypass pump
6. Expansion tank
7. Non-return valve
8. Safety valve
9. Air relief valve
10. Fill/drain valve
11. Reduction valve
12. Drain valve
13. Stop valve
14. Test unit
15. Funnel outlet to the drain
OPERATION AND MAINTENANCE
The water heater is ready for use once it has been connected to water and power
and other sources of heating.
The usual main sources of heating of water for sanitary use are central heating or
solar power; in this case any regulation of water heating is performed in the heating
system.
In case of exposure to sub-zero temperatures, the water should be thoroughly
drained from the heater before the onset of freezing conditions.
Then open the hot water tap on one of the mixer taps connected to the water heater.
The water from the water heater drains by way of the drain valve on the inlet pipe.
External parts of the water heater may be cleaned with a mild detergent solution.
Do not use solvents and abrasive cleaners.
Regular preventive maintenance inspections ensure faultless performance and
long life of your heater. The first of these inspections should be carried out by
an authorised maintenance service provider about two years from the date of
installation in order to inspect the wear of the corrosion protection anode and to
remove any limestone as required. Build-up of limestone is a product of quality,
quantity and temperature of water flowing through the water heater. While inspecting
the heater, the maintenance service provider will also recommend the date of the
next inspection.
Wear of the corrosion protection anode is carried out visually. Replacement is
required when the inspection reveals that the anode diameter has been substantially
reduced or worn all the way to the steel core.
Tank warranty is subject to regular inspections of the protective anode.
In the event of the water heater breaking down, you are kindly requested to
contact the authorised maintenance service provider located closest to you.
Please do not attempt to repair the unit yourself.
GB
Содержание KGV 400
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