Weil-McLain LGB-5 Manual page 17

LGB-5 CSD-1
Starting the boiler
1. STOP! Read the safety information on opposite
page.
2. Set the operating control
3. Turn off all electrical power to the appliance.
4. Remove the
jacket front panel
.
shield
5. Close the
pilot shutoff valves
and 5b). Close
hand gas valve
Close
manual gas valve
6. Wait five (5) minutes to clear out any gas. Then smell
for gas, including near the floor.
a. If you smell gas,
STOP
safety information on the opposite page.
b. If you don't smell gas, go to the next step.
7. Light the as follows:
standing pilot
a. Open the
standing pilot pilot shutoff valve
(Figure 7, item 5a).
b. Press and hold the
reset lever
(Figure 8 and Figure 5, item 20,
switch box
page 12). Manually light the
while holding the lever down. Air in the gas
supply line will have to purge through the line
before sufficient gas will reach the pilot.
c. After purging all air and lighting the pilot, hold
the
pilot switch box lever
to heat the thermocouple.
d. Release the
pilot switch box lever
standing pilot should remain lit.
8. Verify operation on flame failure:
ignition control
a.
Electronic pilot shutoff valve
item 5b) should be closed.
Part Number 550-110-682/0304
Series 2 Propane gas – Control Supplement
to lowest setting.
and
base access
(Figure 7, items 5a
(Figure 7, item 7).
(Figure 7, item 2).
! Follow " " in the
B
on the
pilot
standing pilot
for about 1 minute
. The
(Figure 7,
b. Turn on electric power to the boiler.
c. The
ignition control
pilot.
d. After 15 seconds the
ignition control
sensed). The
ignition control
minutes, then attempt once again to ignite the pilot.
e. With no gas available, the
the pilot. After 15 seconds of ignition attempt, the control should
shut down and lockout due to flame failure.
f. If the
ignition control
power to the boiler and proceed to step 9. If the
does not operate correctly, skip to step 10.
9. Proceed with boiler start-up.
a. Open the
manual gas valve
electronic pilot shutoff valve
b. Turn on electric power to the boiler.
c. Set
operating control
d. The boiler should operate correctly. If so, proceed to step 11 and
skip step 10.
10. If the appliance will not operate:
a. Turn off gas to the appliance by closing the
installed in the gas supply piping ahead of the drip leg.
b. Turn off electric power to the boiler.
c. Call your
service technician
11. Replace
base access shield
Pilot switch box
will initiate spark, attempting to light the
should shut down (no flame
should then wait approximately 5
will be unable to light
ignition control
performs correctly, turn off the electric
ignition control
(Figure 7, item 2). Open the
(Figure 7, item 5b).
to desired setting.
manual gas valve
or .
gas supplier
and .
jacket front panel
Figure 8
17