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Series 2 Gas-fired water boiler — User's Information Manual
GWC
User maintenance procedures
MONTHLY
Maintenance
PERIODIC
Maintenance
8
Check condensate
system
1. NOTICE — To improve clarity, this
illustration of the condensate trap is
shown with no air inlet pipe attached.
If your boiler has an air pipe connected
here, DO NOT tamper with it. The trap
l
is also shown as item
on page 11.
2. Inspect the condensate P-trap (item 1 in
the illustration at right). If the trap does
not contain water, turn off the boiler
ON/OFF switch and call your boiler
service technician immediately.
3. Item 2 in the illustration is the drain
tubing to the condensate pump. Inspect
this tubing or piping, making sure it is
in good condition and not obstructed.
If the condensate trap is dry or the condensate line is damaged or obstructed,
there is a risk of flue gas flow into the building. The boiler must not be operated
and must be inspected and serviced only by a qualified service technician. Failure
to comply with this directive could result in the possibility of severe personal
injury, death or substantial property damage.
Check boiler relief valve
1. Inspect the boiler relief valve and the relief valve discharge pipe for signs of weeping or
leakage.
2. If the relief valve often weeps, the expansion tank may not be working properly. Immediately
contact your qualified service technician to inspect the boiler and system.
Test low water cutoff (if installed)
1. If the system is equipped with a low water cutoff, test the low water cutoff periodically
during the heating season, following the low water cutoff manufacturer's instructions.
Clean vent termination & air intake screens
1. Remove all lint and debris from both the boiler air intake screen and the flue discharge
screen.
2. The boiler control module will sense blockage of the air intake or flue and lockout if the
blockage is excessive. It will signal the failure by flashing the appropriate indicator lights
on the control board.
3. If removing the debris does not allow the boiler to operate correctly afterwards, contact
your qualified service technician to inspect the boiler and vent/air systems.
(continued)
Part number 550-142-804/1021
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