Diagram 3 open tank (kit 3 open tank) – MCZ Hydrotherm 70 User Manual
Page 27
INSTALLATION AND USE MANUAL
Chapter 4
page
27
Installation and assembly
Technical service – MCZ GROUP S.p.A. all rights reserved - Reproduction prohibited
4.7.3. Diagram 3 OPEN TANK (KIT 3 OPEN TANK)
DESCRIPTION: Fireplace stove combined with gas boiler with production of domestic hot water. It is composed
of a main circuit (open tank heat source) and two secondary circuits (heating and domestic water system). 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. It produces instantaneous hot
domestic water.
ACTIONS:
- heating with boiler;
- fireplace stove heating;
- hot water with fireplace stove.
1-Fireplace stove
6-Delivery circuit
11- Hot water
2-Open expansion vessel with float
7-Return circuit
12- Non-return valve
3-Control unit
8- 3-way valve
13-Boiler
4-Temperature probe
9- Domestic hot water exchanger
14- Radiator
5- Circulator
10- Separation exchanger
A- Aqueduct
TA-Room
thermostat