Vitodens 200-W B2HA 112, 150 Service
5683 710 - 09
26
Start-up and Service
Check Functioning of Safety Valves
Ensure proper operation of low water cut-off(s)
(if applicable), pressure relief valve, and pump(s).
Check pressure gage, air vent and pressure relief valve.
Ensure that pressure relief valve does not leak and that
it operates in accordance with information provided by
the manufacturer.
Flush float water type low water cut-offs (if used).
Follow local regulations with respect to backflow
preventers.
If oil-lubricated pumps are used, ensure proper lubrication.
If motorized zone valves are used, refer to maintenance
instructions provided with zone valves.
Check Electrical Connections
Ensure all plug-in connectors and strain reliefs make
positive contact and are seated properly.
Check Gas Pipes and Fittings for Leaks
CAUTION
Ensure all joints of gas line are pressure tight and that
gas valves do not leak when under normal operating
pressure (use approved leak detection liquid).
WARNING
The gas supply piping must be leak tested before placing
the boiler in operation.
Refer to maintenance instructions supplied
with low water cut-offs, pumps, etc.
Refer to the Installation Instructions
