Diagram 2 closed tank – MCZ Hydrotherm 70 User Manual
Page 29

INSTALLATION AND USE MANUAL
Chapter 4
page
29
Installation and assembly
Technical service – MCZ GROUP S.p.A. all rights reserved - Reproduction prohibited
4.7.5. Diagram 2 CLOSED TANK
DESCRIPTION: Fireplace stove with production of domestic hot water.
ACTIONS:
- heating with boiler;
- fireplace stove heating;
- domestic hot water with boiler and heating with fireplace stove;
- domestic hot water with fireplace stove and heating with boiler.
1-Fireplace stove
8- Return circuit
15- Radiator
2-Open expansion vessel with float
9- Automatic vent valve
16- Boiler
3-Control unit
10- Safety valve
17- Thermal discharge valve
4-Temperature probe
11-3-way valve
18- Non-return valve
5- Circulator
12- Domestic hot water exchanger
A- Aqueduct
6- Overflow drain
13- Flow switch TA-Room
thermostat
7- Delivery circuit
14- Hot water