Weil-McLain GOLD CGa Manual page 29

GOLD CGa Gas-Fired Water Boiler — Boiler Manual
6a
Start-up — preparation
Fill the system with water
2.
application. Typical cold water fill pressure for a residential system is
12 psi.
3. from system:
gested piping diagrams on pages 17 through 23,
). Route hose to an area where water can drain and be
seen.
and fill connection to the system.
d. Open quick-fill valve on cold water makeup line.
e. Open purge valve.
f. One zone at a time, open the isolation valves. Allow water to run
through the zone, pushing out the air. Run until no noticeable air
next zone. Follow this procedure until all zones are purged.
hose. Open all isolation valves. Watch that system pressure rises to
correct cold-fill pressure.
h. After the system has operated for a while, eliminate any residual air
by using the manual air vents located throughout the system.
i. If purge valves are not installed in system, open manual air vents in
water squirts out. Repeat with remaining vents.
4. Open
tank systems only) one turn.
5. Open other vents:
a. Starting on the lowest floor, open air vents one at a time until water
squirts out.
b. Repeat with remaining vents.
6. Refill to correct pressure.
Part Number 550-101-009/0107
and boiler drain cock.
drain valves, item , in sug-
(diaphragm-type or bladder-type expansion
(continued)
Inspect system water piping
After filling the boiler and system with water,
throughout the system for leaks. If found, repair
immediately. Repeat this inspection after the boiler has
been started and the system has heated up.
through
Inspect base insulation
all four sides of the base. If insulation is damaged or
displaced,
insulation.
Failure to do so can damage the
boiler, resulting in substantial prop-
erty damage.
in boiler system. Severe damage to
boiler will occur, resulting in sub-
stantial property damage.
The boiler contains ceramic fiber
and fiberglass materials. Use care
when handling these materials per
instructions on
manual. Failure to comply could
result in severe personal injury.
damaged insu-
lation or reposition insulation can
result in a fire hazard, causing severe
personal injury, death or substantial
property damage.
operate boiler. Replace or reposition
of this
against