Dunkirk WPSB Series II - Manual (Page 17)

17
STARTING YOUR BOILER
FILLING SYSTEM WITH WATER
• Close air vents on all radiation units. Open valves to
these units.
• Verify boiler and expansion tank drain valves are closed.
• Close drain fi tting on air bleed screw.
• Open valve in line from boiler to expansion tank. Open
water inlet to your boiler and leave it open. Start with
lowest radiation unit. Open air vent on this unit. When
all air has escaped and water starts to fl ow from vent,
close it.
• Go to next radiation unit, and repeat process. Repeat
until you have covered every radiation units in the system
(ending up at highest unit in system).
• If your units have automatic vents, this manual venting is
unnecessary but it will speed up the proper fi lling of your
system.
• If your system is closed expansion tank system, you may
leave it open to refi ll system automatically as needed.
• Check temperature pressure gauge. Not position of hand
indicating pressure. This should be between 10 and 15 psi.
Any lowering of this movable hand below 10 psi. indicates
loss of water due to leakage. Automatic fi ll valve should
compensate for this. Instructions are packaged with valve.
NOTICE
Never run water in a hot empty boiler.