4 Planning and installation – Connections
43
H
YDRAULIC
CONNECTION
OF
COMBUSTION
UNIT
TO
HEAT
EXCHANGER
1 Return mixing valve (3-way mixer DN 100)
2 Boiler supply connection (DN 100 flange)
3 Connection (DN 50 bushing) of heat exchanger to combustion
unit
4 Connection (DN 50 bushing) of combustion unit to heat
exchanger
5 Connection (DN 50 bushing) of combustion unit to heat
exchanger
6 Circulation pump (Wilo 30/1-8) (Direction of conveyance from
heat exchanger to combustion unit)
7 Connection (DN 50 bushing) of heat exchanger to combustion
unit
8 Boiler return connection (DN 100 flange)
9 Circulation pump (Wilo 50/1-12)
Figure 4/8 - Hydraulic connection
8
6
4
3
1
9
5
2
7
Содержание M299
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