green ecotherm ELTHERM M Series, Instruction Manual

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Figure 4.1. Recommended principal hydraulic scheme
for connecting the hot
water electric boiler of series “ELTHERM” to a local heating system.
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Figure 4.2. Recommended principal hydraulic scheme
for connecting the hot
water electric boiler of series “ELTHERM” to a local gravity driven heating
system.
Description of the modules:
1- electric hot water boiler;
2- filter;
3- stop valve;
4- air purge valve;
5- solid fuel boiler;
6- heat accumulating tanks;
7- mixing valve;
8- circulating pump;
9- return flow thermostat;