19
HYDRAULIC CONNECTION SCHEME OF HEAT EXCHANGER
in universal blocks VU
В
15, VU
В
25 and VUB20/50
Connect heat exchanger with gas boiler according enclosed scheme.
Choose the circulation pump of necessary capacity according enclosed table.
Table of circulation pumps for heat exchanger
Capacity of the circulating
pump
Power of the circulating
pump
0,72 m
3
/h
15 kW
1,44 m
3
/h
29 kW
2,16 m
3
/h
44 kW
2,88 m
3
/h
59 kW
circulation pump
of heating
valves
circulation pump
of heat exchanger
thermal protection switch
pipe 26/34
technical compartment
of filtration unit
heat exchanger
pump
electronic
thermostat
suction pipe
discharge pipe
expansion
tank
filtration unit
electrical
control panel
electromagnetic
valve
non-return valve
boiler
3-position valve