Smith GVX Leitfaden
GVXUM-1
00-GVXUM
TO THE INSTALLER: THIS MANUAL IS THE PROPERTY OF THE OWNER AND MUST BE AFFIXED NEAR THE
BOILER FOR FUTURE REFERENCE.
TO THE OWNER: THIS BOILER SHOULD BE INSPECTED ANNUALLY BY A QUALIFIED SERVICE AGENCY.
GVX GAS BOILERS
USER’S INFORMATION MANUAL
WARNING: If the information in this manual is not followed exactly, a fire or explosion may
result causing property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.
WHATTO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch. Do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or the
gas supplier.
BASIC OPERATION
A. General. This water boiler is an induced draft
applianceandisequippedwithcontrolsfor proper
operation. All controls must be in proper working
order.Contactaqualifiedservice agency to provide
annual maintenance as specified in Installation,
OperationandMaintenanceManual.
1. Limit. See Figure 1.A device which automati-
callyinterrupts boiler operationwhenthewater
temperature exceeds the set point. Maximum
allowabletemperatureis 220°F (104°C).
Original equipment with this boiler is a
Honeywell L4080B1253. Boiler operation is
interrupted when system temperature reaches
cut-out temperature.Boiler operation resumes
automatically when system temperature falls
approximately 15°F (8°C) below the cut-out
temperature.
2. Flame Rollout Switch. SeeFigure1.Adevice
whichautomaticallyinterrupts boiler operation
when flames or excessive heat are present in
thecombustionarea.Thecontrolis a single use
device. If the control is activated to interrupt
boileroperation,do not attempttoplaceboiler in
operation.Contactaqualifiedservice agency.
3. Pressure Switch. SeeFigure1.Adevicewhich
automaticallyinterrupts boiler operationwhen
thereisexcessiveblockagein the ventsystem
orfan motordoesnotoperate.Thiscontrolisan
automaticresetdevice.Ifcontrolisactivatedto
interrupt boiler operation, do not attempt to
place boiler in operation. Contact a qualified
serviceagency.
4. Pilot.The pilot providestheignitionsourcefor
themainburners.Your boiler has an intermittent
pilot. The intermittent pilot ignites only when
there is a call for heat and extinguishes when
thecallforheatends.See Figure 5.
5. GasValve.The gas valve monitors pilot flame
andregulatesgasflowto the burners and pilot.
SeeFigure1.
6. Safety Relief Valve. A device which protects
the boiler against excessive pressure.The safe-
ty 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.
B. Instructions to place boiler inoperationandtoturn
offtheboilerareshown on the OperatingInstruction
Labelpostedontheinnerjacketpanelof the boiler.
Theinstructions are also showninFigure4.
C. SequenceofOperation.
1. Thermostat calls forheat,energizes circulator.
2. Limit senses boiler water temperature.Prevents
operation until water temperature falls approxi-
mately 15°F (8°C) below the cut-out tempera-
ture.
3. Fanenergizes.
4. Gasvalveenergizes.
a. Igniteron.
b. Pilotgason,ignitingpilot.
5. Pilotflamedetected.
a. Igniteroff.
b. Maingason,ignitingmainburners.
Note: If pilot flame is not detected within 30
seconds, the igniter is turned off for 30 seconds,
and then turned back on. If the pilot is not
detected within 30 seconds, the igniter and pilot
gas are turned off for 5 minutes. The sequence
then resumes at Step 4a.
6.Call forheat ends.
Pilot and main gas off, extinguishing pilot and
mainburners.
If this sequence is not followed exactly, follow
instructions TO TURN OFF GAS TO APPLIANCE
(see Figure 4) and contact a qualified service
agency.
WARNING
Service on this boiler should be undertaken
only by trained and skilled personnel from a
qualified service agency.
HVX USER’S INFORMATION MANUALPAGE 2
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.
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.
Figure 1: Control Locations
Figure 2: Safety Relief Valve Hook-Up Installation
with Air Elimination in System Piping Figure 3: Safety Relief Valve Hook-Up
with Air Elimination
HVX USER’S INFORMATION MANUAL PAGE 3
Figure 4: Intermittent Ignition Operating Instructions
HVX USER’S INFORMATION MANUALPAGE 4
USER MAINTENANCE
A. General Housekeeping (Continuous).
1. Keepboiler area clear and free of combustible
materials and obstructions to the free flow of
combustionand ventilationairtotheboiler.
2. Donotstoreorusegasolineorother flammable
vapors or liquids in the vicinity of the boiler or
anyotherappliance.
3. Donotstoreoruse sources of hydrocarbonsin
the vicinity of the boiler.Sources of hydrocar-
bons include bleaches, cleaners, chemicals,
sprays, paint removers, fabric softeners and
refrigerants.
4. CheckSafetyReliefValve for waterleakage.If
leakage exists, contact a qualified service
agency.
B. Inspect Vent System (Monthly): Vent pipe must
be sealed with no separations, obstructions, or
sags.
WARNING
Product Safety Information
Refractory Ceramic Fiber Product
This appliance contains materials made from
refractory ceramic fibers (RCF).Airborne RCF,
when inhaled, have been classified by the
International Agency for Research on Cancer
(IARC), as a possible carcinogen to humans.
After the RCF materials have been exposed to
temperatures above 1800°F (980°C), they can
change into crystalline silica, which has been
classified by the IARC as carcinogenic to
humans. If particles become airborne during
service or repair, inhalation of these particles
may be hazardous to your health.
Avoid Breathing Fiber Particulates and Dust
Suppliers of RCF recommend the following
precautions be taken when handling these
materials:
Precautionary Measures:
Provide adequate ventilation.
Wear a NIOSH/MSHA approved respirator.
Wear long sleeved, loose fitting clothing and
gloves to prevent skin contact.
Wear eye goggles.
Minimize airborne dust prior to handling and
removal by water misting the material and
avoiding unnecessary disturbance of
materials.
Wash work clothes separately from others.
Rinse washer thoroughly after use.
Discard RCF materials by sealing in an airtight
plastic bag.
First Aid Procedures:
Inhalation: If breathing difficulty or irritation
occurs,move to a location with fresh clean air.
Seek immediate medical attention if symptoms
persist.
Skin Contact:Wash affected area gently with a
mild soap and warm water. Seek immediate
medical attention if irritation persists.
Eye Contact:Flush eyes with water for 15 min-
utes while holding eyelids apart. Do not rub
eyes.Seek immediate medical attention if irrita-
tion persists.
Ingestion: Drink 1 to 2 glasses of water. Do not
induce vomiting. Seek immediate medical
attention.
HVX USER’S INFORMATION MANUAL PAGE 5
WARNING
Service on this boiler should be undertaken only
by trained and skilled personnel from a qualified
service agency. Inspections should be per-
formed at intervals specified in the Installation,
Operation and Maintenance Manual and this
User’s Information Manual.Maintain manuals in
a legible condition.
Keep boiler area clear and free of combustible
materials,gasoline and other flammable vapors
and liquids.
Do not place any obstructions in boiler room that
will hinder flow of combustion and ventilation
air.
CAUTION
Vent system operates under positive pressure
when venting horizontally or vertically with 3"
diameter AL294C vent. Leakage in vent system
will spill products of combustion into building.
Severe vent system leakage can cause carbon
monoxide poisoning.
C. Inspect Pilot and Main Burner Flames (Monthly).
1. Remove Front Jacket Panel by lifting and
pullingout.
2. Adjustthermostat to lowestsetting.
3. Loosen screws at Burner Observation Cover,
located on base, just above main burners and
removecoverby lifting.
4. Adjust thermostat to highest setting. Verify
operation follows Section C, Sequence of
Operation,ofthismanual.
5. Viewflames through observationport.
6. Check pilot flame.SeeFigure5.Thepilotflame
shouldbemediumblue covering approximately
³⁄₈"to¹⁄₂"(10to12mm)of the sensing probe.If
theflameisyellowandlazy,followinstructions
TO TURN OFF GAS TO APPLIANCE (see
Figure4),andcontactqualifiedservice agency.
7. Check main burner flames.See Figure 5.The
flamesshouldhaveclearlydefinedinnercones
approximately 1½" (40 mm) high and should
have a very sharp blue color characteristic.If
theflameisyellowandlazy,followinstructions
TO TURN OFF GAS TO APPLIANCE (see
Figure4),andcontactqualifiedservice agency.
8. Adjustall thermostats to lowestsettingto shut
downboiler.
9. Replace Burner Observation Cover and Front
JacketPanel.
10. Adjustthermostats to normal setting.
D. Controls (as required by control manufacturer)1.
1. Safety Relief Valve. Conduct try lever test as
outlinedinmanufacturer’sinstruction tag onthe
safety relief valve.
2. LowWater Cut-off (if used).Follow instructions
providedbycontrolmanufacturer.
E. General Inspection and Maintenance (Annual).
For continued safe operation a qualified service
agencymustprovide a moredetailedinspectionof
burners,heatexchangerandventsystem,andpro-
vide maintenance as specified in the Installation,
OperationandMaintenanceManual.
Figure 5: Pilot and Main Burner and Flames
1Controls maintenance may be part of annual inspection and maintenance by a qualified service agency if annual frequency is
xspecified by controls manufacturer.
Burner Observation Cover may be hot!
CAUTION
HVX USER’S INFORMATION MANUALPAGE 6
HVX USER’S INFORMATION MANUAL PAGE 7
WESTCAST, INC.
260 NORTH ELM STREET • WESTFIELD, MA 01085
TEL. (413) 562-9631 FAX (413) 562-3799
www.smithboiler.com
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