PeerlessBoilers PSC II, Руководство по установке, эксплуатации и обслуживанию

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TROUBLESHOOTING
A. SHUT-DOWN CAUSED BY PILOT
OUTAGE, PRESSURE SWITCH OR
FLAME ROLL-OUT SAFETY
SHUT-OFF SWITCH
In the event of a shut-down caused by a pilot outage,
action of the pressure switch or flame roll-out safety shut-
off switch effecting a shut-down of the main burners:
a. Refer to the Lighting/Operating Instructions in Figure
7.3 to properly turn off the gas to the boiler.
b. Turn off all electric power to the boiler.
c. Call a qualified heating service organization 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 8.1 and Figure 8.2 to assist in determining
causes and providing corrective actions to boiler
problems. 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.
C. MEASURING SUCTION PRESSURE
Pressure switch requires minimum -0.45" W.C. (-112 Pa)
fan suction pressure to energize control circuit. Measure
when boiler has been operating at least 15 minutes. See
Figure 8.1.
8. TROUBLESHOOTING
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
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.
CAUTION
When servicing or replacing items that communicate
with the boiler water, be certain that:
● There is no pressure on the boiler.
● The boiler is not hot.
● The power is off.
When servicing the gas valve or pilot, be certain that:
● The gas is off.
● The electricity is off.
DANGER
*
Figure 8.1: Measuring Fan Suction Pressure
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