PB Heat Peerless Boilers GM Series, Installation, Operation & Maintenance Manual

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A. SHUT-DOWN CAUSED BY PILOT
OUTAGE, VENT SAFETY SHUTOFF
SWITCH OR FLAME ROLLOUT SAFETY
SHUTOFF SWITCH
In the event of a shut-down caused by a pilot outage,
action of the vent safety shutoff switch or flame rollout
safety shutoff switch effecting a shut-down of the main
burners:
a. Refer to the Operating Instructions in Figures 8.3 &
8.4 to properly turn off the gas to the boiler.
b. Turn off all electric power to the boiler.
c. Call a qualified heating service agency or local gas
company and have the cause of the shut-down
investigated and corrected.
d. Refer to Operating Instructions to re-start boiler.
B. TROUBLESHOOTING GUIDES
Use Table 9.1 to assist in determining causes and
providing corrective actions to boiler problems. Refer
also to Figure 9.1 to troubleshoot the Intermittent
Ignition System Control. These guides must be used
only by qualified service technicians. These individuals
must follow all applicable codes and regulations in repair
of any boiler problems.
TROUBLESHOOTING
9. TROUBLESHOOTING
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.
When servicing or replacing items that communicate
with the boiler water, be certain that:
l
There is no pressure on the boiler.
l
The boiler is not hot.
l
The power is off.
When servicing the gas valve or pilot, be certain that:
l
The gas is off.
l
The electricity is off.
⚠
DANGER
Do not use this appliance if any part has been under
water. Improper or dangerous operation may result.
Immediately call a qualified service technician to
inspect the boiler and to replace any part of the
control system and any gas control which has been
under water.
⚠
WARNING
⚠
CAUTION
Should overheating occur or the gas supply fail to
shut off, do not turn off or disconnect the electrical
supply to the pump. This may aggravate the problem
and increase the likelihood of boiler damage. Instead,
shut off the gas supply at a location external to the
appliance.
⚠
CAUTION
Identifier tous les câbles avant de les débrancher
au moment d’effectuer l’entretien des commandes.
Des erreurs dans le raccordement des câbles
d’alimentation peuvent causer un fonctionnement
inadéquat et dangereux. Vérifier le bon
fonctionnement après les travaux d’entretien.
⚠
AVERTISSEMENT