HTP Elite Guide

Elite
User’s Information
Manual
Elite and Elite VWH*
All Models
HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical
errors in literature.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd. New Bedford, MA 02745 www.htproducts.com
LP-389 Rev. 6.3.15
*Elite VWH Models: The surfaces of these products contacted by potable (consumable) water contain less than 0.25%
lead by weight as required by the Safe Drinking Water Act, Section 1417.
Improper installation, adjustment, alteration, service, or maintenance could void product warranty and cause
property damage, severe personal injury, or death.
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 GASOLINE OR OTHER FLAMMABLE
VAPORS AND LIQUIDS IN THEVICINITY OF THIS OR ANY OTHER APPLIANCE.
WHAT TO DO IFYOU 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redepartment.Installationandservicemustbeprovidedbyaqualied
installer, service agency, or the gas supplier.
Heat Exchanger Bears the ASME “H” Stamp
All Elite Models are Low NOx Certied.

LP-389 Rev. 6.3.15
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Thefollowingdenedtermsareusedthroughoutthismanual
to bring attention to the presence of hazards of various risk
levels or to important product information.
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in serious personal injury or death.
WARNING indicates a potentially hazardous situation which, if
not avoided, could result in personal injury or death.
CAUTION indicates a potentially hazardous situation which,
if not avoided, may result in moderate or minor personal
injury.
CAUTION used without the safety alert symbol indicates
a potentially hazardous situation which, if not avoided, may
result in property damage.
NOTICE is used to address practices not related to personal
injury.

LP-389 Rev. 6.3.15
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Table of Contents
Part 1 - Product and Safety Information 3
A. Appliance Operation 3
B. Primary Water 3
C. Freeze Protection Fluids (Solar Models with Heat Exchangers Only) 3
Part 2 - Combustion Air Contamination Prevention 4
Part 3 - Maintenance Schedule 4
A. Service Technician 4
B. Owner Maintenance 4
Part 3 - Maintenance Procedures 5
A. Daily Maintenance 5
B. Monthly Maintenance 5
C. 6 Month Maintenance 5
Maintenance Notes 7
Part 1 - Product and Safety Information
User - Have this appliance serviced / inspected annually by a
qualiedservicetechnician.
FAILURE TO ADHERE TO THE GUIDELINES IN THIS
MANUAL CAN RESULT IN SUBSTANTIAL PROPERTY
DAMAGE, SEVERE PERSONAL INJURY, OR DEATH.
The combustion chamber insulation in this product contains
ceramic ber material. Ceramic bers can be converted
to cristobalite in very high temperature applications. The
International Agency for Research on Cancer (IARC) has
concluded, “Crystalline silica inhaled in the form of quartz
or cristobalite from occupational sources is carcinogenic to
humans (Group 1).” DO NOT, UNDERANYCIRCUMSTANCES,
OPEN THE COMBUSTION CHAMBER OF THIS APPLIANCE!
The combustion chamber of this appliance may be opened
byaqualiedservicetechnicianONLY.FAILURETOFOLLOW
THESE INSTRUCTIONS CAN RESULT IN SUBSTANTIAL
PROPERTY DAMAGE, SEVERE PERSONAL INJURY, OR
DEATH.
A. Appliance Operation
• Do not block ow of the
appliance exhaust vent or
intake pipe.
• Should overheating
occur or gas supply fail to
shut o, do not turn o
or disconnect electrical
supply to the circulator.
Instead, shut o the
gas supply at a location
external to the appliance
following the instructions
on page 2.
• Do not use this appliance
if any part has been
under water. Immediately
call a qualied service
technician to inspect the
appliance and replace any
part of the control system
or gas control that has
been under water.
B. Primary Water
• Do not attempt to clean the heating system. Call a
qualiedservicetechnicianforservice.
• If you notice any leaks, immediately call a qualied
service technician. Leaks in appliance or piping must be
repaired at once.
Hydronicsystemsthatuseglycolasheattransferuidmustbe
serviced periodically. Glycol can break down over time, become
acidic, and attack gaskets and seals in appliances.This can result
in property damage, severe personal injury, or death.
Each glycol manufacturer has dierent recommendations for
testing and replacement. Do not test glycol quality yourself.
Have your qualied service technician check glycol quality
during annual servicing. If you are unsure when your glycol was
lasttested,callaqualiedservicetechniciantotestandreplace
glycol, if necessary.
C. Freeze Protection Fluids (Does Not Apply to VWH
Models)

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Products to Avoid Areas Likely to Have
Contaminants
Spray cans containing
uorocarbons
Dry cleaning / laundry areas and
establishments
Permanent wave solutions Swimming pools
Chlorinated waxes / cleaners Metal fabrication plants
Chlorine-based swimming pool
chemicals Beauty shops
Calcium chloride used for thawing Refrigeration repair shops
Sodium chloride used for water
softening Photo processing plants
Refrigerant leaks Auto body shops
Paint or varnish removers Plastic manufacturing plants
Hydrochloric or Muriatic acid Furniture renishing areas and
establishments
Cements and glues New building construction
Antistatic fabric softeners used in
clothes dryers Remodeling areas
Chlorine-type bleaches, laundry
detergents, and cleaning solvents Garages and workshops
Adhesives used to fasten building
products
Table 1 - Products and Areas Likely to Have Contaminants
NOTE: DAMAGE TO THE HEATER CAUSED BY EXPOSURE
TO CORROSIVE VAPORS IS NOT COVERED BY WARRANTY.
(Refer to the limited warranty for complete terms and
conditions.)
Part 3 - Maintenance Schedule
A. Service Technician
Thefollowingmaintenanceshouldbeperformedbyaqualied
service technician annually:
General
• Attend to any reported problems.
• Inspect the interior of the appliance; clean and vacuum
if necessary.
• Cleanthecondensatetrapandllwithfreshwater.
• If applicable, check the condensate neutralizer and
ensure it is full of condensate neutralizing marble chips.
• Checkforleaks:Water,gas,ue,andcondensate.
• Verify exhaust vent and intake piping are in good
condition and sealed tight.
• Check exhaust vent and intake pipe bracing. Ensure
bracing is undamaged and in good condition.
• Check appliance water pressure, piping, and expansion
tank.
• Check control settings.
• Check ignition electrode. Sand o any white oxide.
Clean and reposition.
• Check ignition and ground wiring.
• Check all control wiring and connections.
• Checkburneramepattern(stableanduniform).
Additional Items if Combustion of Performance is Poor
• Cleanheatexchangerandueways.
• Remove burner assembly and clean burner head using
compressed air only.
The service technician should review service with the owner
after the maintenance items are completed.
B. Owner Maintenance
Periodically
• Check area around the appliance.
• Check and remove any blockage from the outdoor
exhaust vent and intake pipe terminations. DO NOT
perform this maintenance if exhaust vent and intake
pipeterminationsareindiculttoreachlocations.
• Check the temperature / pressure gauge.
Monthly
• Check exhaust vent and intake piping.
• Check exhaust vent and intake pipe bracing. Ensure
bracing is undamaged and in good condition.
• Check the pressure relief valve.
Part 2 - Combustion Air Contamination Prevention
Do not operate the appliance if its combustion air intake is
located in or near one of the areas or in the vicinity of products
listed in Table 1. These areas will always contain hazardous
contaminates that can form strong acids while passing
through the burner and vent system. These acids will corrode
the appliance’s heat exchanger, burner components and vent
system, resulting in ue gas spillage and/or water leakage,
possible substantial property damage, severe personal injury,
or death. If the appliance combustion air intake is located in
any area likely to cause or contain contamination, or if products
which would contaminate the air cannot be removed, the intake
must be re-piped and terminated to another location.
DO NOT re-pipeventilationsystemonyourown.Callaqualied
service provider for assistance.

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Part 4 - Maintenance Procedures
Failure to inspect the venting system and have it repaired by
aqualiedservicetechniciancanresultinventsystemfailure,
causing severe personal injury or death.
• Check the condensate drain system.
• If applicable, check the condensate neutralizer and
ensure it is full of condensate neutralizing marble chips.
Every 6 Months
Check appliance piping and gas supply piping for corrosion or
signs of potential leakage.
The appliance must be inspected and serviced annually,
preferablyat thestartof theheatingseason,by aqualied
service technician. In addition, the maintenance and care of
the appliance as outlined in this manual must be performed by
theuser/ownertoassuremaximumeciencyandreliability.
Follow the maintenance procedures given throughout this
manual. Failure to perform the service and maintenance
or follow the directions in this manual could damage the
appliance or system components, resulting in substantial
property damage, severe personal injury, or death.
Check the Surrounding Area
A. Daily Maintenance
To prevent the potential of substantial property damage,
severe personal injury, or death, eliminate the materials
listed in Table 1 from the area surrounding the appliance and
the vicinity of the combustion air intake. If contaminates are
found:
• Remove products immediately from the area.
• If contaminates have been there for an extended
period,callaqualiedservicetechniciantoinspectthe
appliance for possible damage from acid corrosion.
Ifproductscannotberemoved,immediatelycallaqualied
service technician to re-pipe the combustion air intake piping
away from the contaminated areas.
Combustible/Flammable Materials
Do not store combustible materials, gasoline, or other
ammable vapors or liquids near the appliance. If found,
remove these materials immediately.
Air Contaminates
If allowed to contaminate combustion air, products
containingchlorineoruorinewillproduceacidiccondensate
thatwillcausesignicantdamagetotheappliance.Readthe
list of potential contaminates and areas likely to have these
contaminates in Table 1, Part 2. If any of these contaminates
are in the room where the appliance is located, or combustion
air is taken from one of the areas listed, the contaminates
must be removed immediately or the intake pipe must be
relocated to another area.
Check Exhaust Vent and Intake Pipe Terminations
Verify that the appliance exhaust vent and intake pipe
terminations are clean and free of obstructions. Remove any
debris from the exhaust vent and intake pipe openings. If
removing the debris does not allow the appliance to operate
correctly,contactyourqualiedservicetechniciantoinspect
the appliance and the vent system.
Check Temperature Display and Pressure Gauge
• Ensure the pressure reading on the gauge does not
exceed 25 psig on boiler models, 145 psig onVWH models.
Higher pressure readings may indicate a problem with
the expansion tank.
• Ensure the temperature on the LED display panel does not
exceed 180oF. higher temperature readings may indicate
a problem with the thermostat operating controls.
• Contactaqualiedservicetechnicianifproblempersists.
Check Exhaust Vent and Intake Piping
Visually inspect the exhaust vent piping for any signs of
blockage, leakage, or deterioration of the piping. Inspect the
exhaust vent bracing. Ensure bracing is undamaged and in good
condition. Notify a qualied service technician immediately if
any problems are found.
B. Monthly Maintenance
Visually inspect the intake piping for any signs of blockage.
Inspect the entire length of the intake pipe to ensure piping is
intact and all joints are properly sealed. Inspect the intake pipe
bracing. Ensure bracing is undamaged and in good condition.
Notifyaqualiedservicetechnicianifanyproblemsarefound.
Check Pressure ReliefValve
• Visually inspect the primary pressure relief valve and
discharge pipe for signs of weeping or leakage.
• If the pressure relief valve often weeps, the expansion
tank may not be operating properly. Immediately contact
aqualiedservicetechniciantoinspecttheapplianceand
system.
Check Exhaust Vent Condensate Drain System
• While the appliance is running, check the discharge
endof thecondensatedrain tubing.Ensurenouegas
is leaking from the condensate drain tubing by holding
yourngersneartheopening.
• If you notice ue gas leaking from the opening, this
indicates a dry condensate trap. If problem persists,
contact a qualied service technician to inspect the
applianceandcondensatelineandrellthecondensate
trap.
• If applicable, check the condensate neutralizer and
ensure it is full of condensate neutralizing marble chips.
C. 6 Month Maintenance
Check Primary and Gas Piping
• Remove the appliance cover and perform a gas leak
inspection following Operating Instructions, page 2, this
manual. If gas odor or leak is detected, follow procedures
onpage2.Callaqualiedservicetechnician.
• Visually inspect for leaks around the internal appliance
water connections and around the heat exchanger.
Visually inspect the external system piping, circulators,
andsystemcomponentsandttings.Immediatellycalla
qualiedservicetechniciantorepairanyleaks.

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Haveleaksxedatoncebyaqualiedservicetechnician.Failure
to comply could result in substantial property damage, severe
personal injury, or death.
Operate Pressure ReliefValve
• Before proceeding, verify that the relief valve has
been piped to a safe place of discharge, avoiding any
possibility of scalding from hot water.
To avoid water damage or scalding due to relief valve operation,
a discharge line must be connected to the valve outlet and
directed to a safe place of disposal. This discharge line must be
installedbyaqualiedservicetechnicianorheating/plumbing
installer in accordance with the appliance installation manual.
The discharge line must be terminated so as to eliminate
possibility of severe burns or property damage should the valve
discharge.
• Read the temperature and pressure gauge to ensure the
system is pressurized. Minimum is 10 psi. Maximum is 25
psig for boilers, 145 psig for VWH models. Lift the relief
valve top lever slightly, allowing water to relieve through
the valve and discharge piping.
• Ifwaterowsfreely,releasetheleverandallowthevalve
to seat.Watch the end of the relief valve discharge pipe to
ensure that the valve does not weep after the line has had
hard time to drain. If the valve weeps, lift the lever again
to attempt to clean the valve seat. If the valve does not
properlyseatandcontinuestoweep,contactaqualied
service technician to inspect the valve and system.
• Ifwaterdoesnotowfromthevalvewhenyoucompletely
lift the lever, the valve or discharge line may be blocked.
Immediately shut the appliance down per instructions on
page2 andcallaqualiedservice techniciantoinspect
the valve and system.

LP-389 Rev. 6.3.15
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Maintenance Notes