Diagram 2 open tank (kit 2 open tank) – MCZ Hydrotherm 70 User Manual
Page 26
INSTALLATION AND USE MANUAL
Chapter 4
page
26
Installation and assembly
Technical service – MCZ GROUP S.p.A. all rights reserved - Reproduction prohibited
4.7.2. Diagram 2 OPEN TANK (KIT 2 OPEN TANK)
DESCRIPTION: Fireplace stove combined with gas boiler without production of domestic hot water. It is
composed of a main circuit (open tank heat source) and a secondary circuit (closed tank heat source). It allows
the expansion tank to be installed approx. 30 cm above the fireplace. The control unit is used to turn off the gas
boiler when the fireplace stove reaches the required temperature.
ACTIONS:
- fireplace stove heating;
- heating with boiler;
1- Fireplace stove
5- Circulator
9- Non-return valve
2- Open expansion vessel with float
6- Delivery circuit
10- Separation exchanger
3- Control unit
7- Return circuit
11- Boiler
4- Temperature probe
8- Safety valve
12- Radiator
TA-Room
thermostat