Basic Operation - Smith GVX-Series User's Information Manual

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BASIC OPERATION

WARNING
Service on this boiler should be undertaken
only by trained and skilled personnel from a
qualified service agency.
CAUTION
Should overheating occur or the gas supply fail
to shut off, do not turn off or disconnect the
electrical supply to the pump. Instead, shut off
the gas supply at a location external to the
appliance.
En cas de surchauffe ou si l'alimentation ne se
coupe pas, ne pas éteindre manuellement ni
couper l'alimentation électrique de la pompe.
Couper plutôt l'alimentation en combustible à
l'extérieur de l'appareil
Do not use this boiler if any part has been under
water. Immediately call a qualified service
agency to inspect the boiler and to replace any
part of the control system and any gas control
which has been under water.
A. General. This water boiler is an induced draft
appliance and is equipped with controls for proper
operation. All controls must be in proper working
order. Contact a qualified service agency to provide
annual maintenance as specified in Installation,
Operation and Maintenance Manual.
1. Limit. See Figure 1. A device which auto-
matically interrupts boiler operation when the
water temperature exceeds the set point.
Maximum allowable temperature is 220°F
(104°C).
2. Flame Rollout Switch. See Figure 1. A device
which automatically interrupts boiler operation
when flames or excessive heat are present in the
combustion area. The control is a single use
device. If the control is activated to interrupt
boiler operation, do not attempt to place boiler in
operation. Contact a qualified service agency.
USER'S INFORMATION MANUAL
B. Instructions to place boiler in operation and to
3. Pressure Switch. See Figure 1. A device which
automatically interrupts boiler operation when
there is excessive blockage in the vent system or
fan motor does not operate. This control is an
automatic reset device. If control is activated to
interrupt boiler operation, do not attempt to place
boiler in operation. Contact a qualified service
agency.
4. Pilot. The pilot provides the ignition source
for the main burners. Your boiler has an
intermittent pilot. The intermittent pilot ignites
only when there is a call for heat and
extinguishes when the call for heat ends.
See Figure 5.
5. Gas Valve. The gas valve monitors pilot flame
and regulates gas flow to the burners and
pilot. See Figure 1.
6. Safety Relief Valve. A device which protects
the boiler against excessive pressure. The
safety relief valve can discharge a large amount
of hot water - the installer should provide piping
to discharge water near floor at a floor drain.
See Figures 2 and 3. If the safety relief valve
discharges water, follow instructions TO TURN
OFF GAS TO APPLIANCE (see Figure 4), and
contact a qualified service agency.
turn off the boiler are shown on the Operating
Instruction Label posted on the inner jacket panel
of the boiler. The instructions are also shown in
Figure 4.