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GOLD CGa Gas-Fired Water Boiler — Boiler Manual
50
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Part Number 550-101-009/0107
Troubleshooting — procedure
(continued)
11a
Check the following:
1. Wire connectors to control module are securely
plugged in at module and originating control.
0018. Gas pressures:
a. With boiler off — 13” w.c. maximum natural
or propane gas pressure upstream of gas valve.
b. With boiler on:
• 5” w.c. minimum natural gas pressure or
11” w.c. propane gas pressure upstream of
gas valve.
• 3.5” w.c. minimum natural gas pressure or
10” w.c. propane gas pressure downstream
tapping on gas valve — Can be adjusted by
regulator on gas valve.
In event of vent damper
failure:
Effikal or Field Controls damper
If troubleshooting chart recommends replacing actua-
tor and actuator is not immediately available, damper
blade can be fixed in an open position to allow boiler
operation. Manually turning blade can cause actuator
damage. Follow these instructions only in case of no
heat or damper actuator malfunction.
1. Move damper service switch to
1. Move damper service switch to
Hold Damper Open
position. Apply call for heat to boiler. Damper blade
should then rotate to open position and boiler will
fire.
0018. If step 1 does not open damper, manually rotate
• Verify proper operation after servicing. • See vent damper manufacturer’s instructions packed with vent damper
for additional information. Failure to comply could result in severe personal injury, death or substantial property
damage.
Figure 28
Manually
opening the
vent damper
damper blade to open position using wrench or
pliers on flat shaft between damper and actuator.
Boiler will fire. Verify that damper service switch is
in
Hold Damper Open
position. (
Figure 28
)
3.
Do not leave vent damper permanently in this
position.
Replace actuator immediately. If vent
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Weil Mclain Gold Cga Boiler User Manual Pdf
damper is left in open position, boiler will not oper-
ate at published efficiencies.
Johnson Controls damper
If troubleshooting chart recommends replacing actuator
and actuator is not immediately available, damper blade
can be fixed in an open position to allow boiler opera-
tion. Follow these instructions only in case of no heat
or damper actuator malfunction. See
Oversized buttons allow easier operation. The 48-city World Time Mode includes cities where the world's biggest motor sports events are held and simultaneous access to the current times in three different time zone.A three-line display and peripheral graphic area creates the image of a high-tech meter panel, while a metal bezel add a hard, mechanical accent. The auto start function conducts a 5, 4, 3, 2, 1 countdown before the stopwatch engages.World TimeThe highly practical World Time feature displays the times in three different cities simultaneously. LEDs flash from red to green in coordination with auto start timer operation, just like the lights at the start of a motorcycle.Mechanical designThe functional face design with its three-column digital display and graphic display on the LCD periphery projects a racing gauge image.This combines with the rigid-textured metal bezel to form a mechanical face with a distinctive motorsport perspective.1/1000-second stopwatchA newly developed module has been adopted to support a high-precision 1/1000-second stopwatch function. Other useful functions for viewing motorsport and other events include an auto start function, total elapsed time/lap time display switch and lap time memory. Casio g shock g 7710 user manual.
Figure 28
.
1. Turn off power to boiler.
Failure to turn off power to boiler
can result in severe personal injury,
death or substantial property dam-
age.
0018. Refer to vent damper manufacturer’s instructions
for procedure to fix vent damper in open position.
3. Turn on power to boiler.
4. Using wrench or pliers on flat shaft section, manu-
ally rotate damper blade until green light turns on.
![Manual Manual](/uploads/1/2/5/1/125104874/603020080.png)
Boiler will fire. (
Figure 28
)
5. Do not leave vent damper permanently in this posi-
tion. Replace actuator immediately. If vent damper
is left in open position, boiler will not operate at
published efficiencies.
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Page 49: Gold cga gas-fired water boiler — boiler manual, Before troubleshooting
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Part Number 550-101-009/0107
49
GOLD CGa Gas-Fired Water Boiler — Boiler Manual
❏
Cleaning boiler heating surfaces
1. Shut down boiler:
• Follow “
To Turn Off Gas to Appliance
” in-
structions on boiler and
Lighting or Operating
instructions
.
• Do not drain boiler unless it will be exposed
to freezing temperatures. If using antifreeze in
system, do not drain.
system, do not drain.
0018. Follow shutdown procedure.
3. Remove venting system connection to boiler.
4. Remove top jacket panel. Turn back insulation.
5. Remove flue collector. Clean sealant from assembly
3. Remove venting system connection to boiler.
4. Remove top jacket panel. Turn back insulation.
5. Remove flue collector. Clean sealant from assembly
and sections.
0018. Remove radiation plates hanging between sections.
0018. Remove burners from base. Brush and vacuum
burners to remove all dust and lint. Verify that all
burner ports are free of debris.
burner ports are free of debris.
8. Place newspapers in base of boiler to collect soot.
9. Clean between sections with wire flue brush.
10. Remove newspaper and soot. Vacuum or brush base
9. Clean between sections with wire flue brush.
10. Remove newspaper and soot. Vacuum or brush base
and surrounding area.
11. Reinstall radiation plates.
10018. Replace collector box/transition assembly. Seal with
10018. Replace collector box/transition assembly. Seal with
sealant. Obtain gas-tight seal to prevent flue gas
spillage and carbon monoxide emissions, resulting
in severe personal injury or death.
spillage and carbon monoxide emissions, resulting
in severe personal injury or death.
13. Replace insulation and jacket top panel.
14. Start up boiler following Section
14. Start up boiler following Section
6
of this manual
and the boiler
Lighting or Operating instructions
(Section
8b
or
9b
). Excessive sooting indicates
improper gas combustion. If found, check for proper
combustion and make any necessary adjustments.
combustion and make any necessary adjustments.
Before troubleshooting:
1. Have the following items:
a. Voltmeter that can check 100180 VAC and
00184 VAC.
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Weil Mclain Gold Cga Boiler Manual
b. Microammeter with a minimum scale
range of 0-00185.
c. Continuity checker.
d. U-tube manometer.
d. U-tube manometer.
![Boiler Boiler](/uploads/1/2/5/1/125104874/137894858.jpg)
0018. Check for 100180 VAC (minimum 100018 VAC to
maximum 130018 VAC) to boiler.
3. Make sure thermostat is calling for heat and
contacts (including appropriate zone controls)
are closed. Check for 00184 VAC between thermo-
stat wire nuts and ground.
Troubleshooting — procedure
11a
Label all wires prior to disconnection when servic-
ing controls. Wiring errors can cause improper and
dangerous operation.
Never jumper (bypass) rollout thermal fuse element
or any other device except for momentary testing
as outlined in
Troubleshooting Charts
. Severe
personal injury, death or substantial property
damage can result.
Burner access panel must be in position during
boiler operation to prevent momentary flame
rollout on ignition of main flame. Severe per-
sonal injury or substantial property damage will
result.
See pages 50 through 59 for additional trouble-
shooting information.
The boiler contains ceramic fiber and fiberglass materi-
als. Use care when handling these materials per instruc-
tions on
als. Use care when handling these materials per instruc-
tions on
page 68
of this manual. Failure to comply
could result in severe personal injury.
Service & maintenance – annual start-up
(cont.)
10b
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