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5833 275 - 04
Vitotrans 300 Installation, Operating and Service
Installation
Commissioning and Initial Start-up
Legend
A
Main power switch
B
Heating system supply valve
C
Domestic cold water (DCW) valve
D
Heating system return valve
E
Domestic hot water (DHW) valve
F
Pressure relief valve
1. Open the hydronic connection pottable water valves
C
and
E
.
2. Verify the proper operation of the pressure relief
valve
F
.
3. Open the heating system valves
B
and
D
.
4. Turn the Vitotrans main power switch
A
to the
ON
position.
5. Check all gaskets and plugs, and retighten if necessary.
Note:
Check all connections on the heating water side
for leaks approx. every 500 operating hours.
Note:
Check the heating system pressure.
Maximum operating pressure: ......... 150 psi (10.3 bar)
Minimum operating pressure: .............. 13 psi (0.9 bar)