25
CONNECTION TO ALTERNATIVE SOURCES OF HEATING
The heaters with heating pump enable the water for sanitary use to be heated by
alternative sources of
energy (e.g. central heating, solar power, …) by installing one or two
heat exchangers.
Options for connecting the water heater to various sources of heating are shown in the
drawings below.
Connection to solar panels
Connection to the central heating hot-
water system
Connection to solar panels and central heating hot-water system
Legend:
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
WARNING:
If the temperature of the additional heating source drops and the
circulation of water through the heat transmitter is enabled the heat can uncontrollably be
taken from the water tank. When attaching the appliance to other heating sources, the
additional source temperature must be properly regulated.
WARNING:
In case of connecting solar panels as an external source of heat, the
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T
4
EN
Summary of Contents for TC 200 ZCR
Page 1: ...TC 200 300 ZCR ...
Page 152: ...07 2013 408740 ...
