Vanguard MINI-HEARTH VMH3000TNS Owner'S Operation And Installation Manual Download Page 1

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OWNER’S OPERATION AND INSTALLATION MANUAL

VENT-FREE NATURAL GAS

MINI-HEARTH

®

 HEATER

®

VMH3000TNS

15,000 to 30,000 Btu/Hr

with Thermostat

This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited
by state or local codes.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer. (i.e. Installation of this product is permitted
after the manufactured (mobile) home is sited)

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.

— WHAT TO 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.

WARNING: Improper installa-
tion, adjustment, alteration,
service, or maintenance can
cause injury or property dam-
age. Refer to this manual for
correct installation and op-
erational procedures. For as-
sistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.

WARNING: This is an unvented
gas-fired heater. It uses air
(oxygen) from the room in
which it is installed. Provisions
for adequate combustion and
ventilation air must be pro-
vided. Refer to 

Air For Com-

bustion and Ventilation sec-
tion on page 5 of this manual.

®

Shown With Optional

Mantel Which Features

a Built In Base

Summary of Contents for MINI-HEARTH VMH3000TNS

Page 1: ...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 yo...

Page 2: ...follow the instructions in Cleaning and Main tenance page 19 LOCAL CODES Install and use heater with care Follow all localcodes Intheabsenceoflocalcodes use the latest edition of The National Fuel Gas...

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Page 4: ...ter cabinet Attach on top and sides with four brass screws included in hard ware package see Figure 7 9 Reattach front panel to heater if you are going to mount the heater to the base Do not reattach...

Page 5: ...en ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames be tween so...

Page 6: ...Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used _________________ Btu Hr maximum t...

Page 7: ...Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic Figure 9 Ventilation Air from Outdoors AIR FOR COMBUSTION AND VENTILATION Continued WARNING Rework wo...

Page 8: ...tall heater Call dealer where you bought heater for proper type heater INSTALLATION ITEMS Beforeinstallingheater makesureyouhave the items listed below piping check local codes sealant resistant to pr...

Page 9: ...are 16 inches apart from their centers Attach mounting bracket to wall in one of two ways 1 Attaching to wall stud 2 Attaching to wall anchor Attaching To Wall Stud This method providesthestrongestho...

Page 10: ...ws until heater is firmly secured to wall Do not over tighten Note Do not replace front panel at this time Replace front panel after making gas connections and checking for leaks see pages 12 and 13 F...

Page 11: ...ife at marked locations before drilling If securing to a wood floor drill a 3 4 deep hole using a 1 8 diameter drill bit Do not use anchors in wood floors If securing to a concrete floor drill a 1 3 8...

Page 12: ...d occur CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 or greater diameter to allow proper gas volum...

Page 13: ...1 2 Pressurize supply piping system by either using compressed air or open ing main gas valve located on or near gas meter 3 Check all joints from gas meter to manual shutoff valve see Figure 22 Apply...

Page 14: ...to Troubleshooting pages 16 through 18 Also contact a qualified service person or gas supplier for repairs Untilrepairsaremade lightpilotwith match To light pilot with match see Manual Lighting Proced...

Page 15: ...Correct Pilot Flame Pattern Thermocouple Thermocouple INSPECTING BURNER Figure 26 Incorrect Pilot Flame Pattern Pilot Burner Pilot Burner Check pilot flame pattern and burner flame pattern often PILOT...

Page 16: ...SIBLE CAUSE 1 Ignitor electrode positioned wrong 2 Ignitor electrode broken 3 Ignitor electrode not connected to igni tor cable 4 Ignitor cable pinched or wet 5 Piezo ignitor nut is loose 6 Broken ign...

Page 17: ...ifice 1 Turn heater off when using furniture polish wax carpet cleaners or similar products TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS pilot is lit Delayed ignition of...

Page 18: ...CAUSE 1 Metal expanding while heating or con tracting while cooling 1 Heater burning vapors from paint hair spray glues etc see IMPORTANT statement above 2 Gas leak SeeWarning statement at top of pag...

Page 19: ...umayfeelyourgaspressureistoolowor gas quality is bad If so contact your local natural gas supplier SERVICE HINTS CLEANING BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air inlet holes al...

Page 20: ...20 106055 GAS RESIDENTIAL HEATERS 12 1 12 2 ILLUSTRATED PARTS BREAKDOWN VMH3000TNS 1 2 9 10 10 11 12 13 14 15 17 19 20 23 24 25 8 6 6 21 7 1 3 5 16 18 4 22 26 1...

Page 21: ...2 12 099440 05 ODS Pilot Assembly 1 12 1 098514 01 Thermocouple 1 12 2 098594 01 Ignitor Electrode 1 13 103447 01 Burner 1 14 099387 03 3 16 Pilot Tubing 1 15 103845 09 Injector 1 16 NJF 8C Nut Hex 1...

Page 22: ...3 5190 You can also visit DESA International s Technical Service web site at www desatech com SPECIFICATIONS Btu Variable 15 000 30 000 Type Gas Natural Only Ignition Piezo Pressure Regulator Setting...

Page 23: ...in a walnut finish or an unfinished hardwood ready to stain or paint Complete assembly and installation instructions included MANUAL SHUTOFF VALVE GA5010 Manual shutoff valve with 1 8 NPT tap HEARTH...

Page 24: ...ith all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damag...

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