MCZ HydroTherm 70 [27/45] Diagram 3 open tank kit 3 open tank

INSTALLATION AND USE MANUAL

Chapter 4

page 27

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