Vanguard VMH26NR Owner'S Operation And Installation Manual Download Page 2

2

104325

COMPACT CLASSIC HEARTH FIREPLACE

VMH26NR

®

 DANGER: Carbon monoxide

poisoning may lead to death!

SAFETY
INFORMATION

Carbon Monoxide Poisoning:

 Early

signs of carbon monoxide poisoning re-
semble the flu, with headaches, dizziness,
or nausea. If you have these signs, the fire-
place may not be working properly. Get
fresh air at once!
 Have fireplace serviced.
Some people are more affected by carbon
monoxide than others. These include preg-
nant women, people with heart or lung dis-
ease or anemia, those under the influence of
alcohol, and those at high altitudes.

Natural Gas:

 Natural gas is odorless. An

odor-making agent is added to natural gas.
The odor helps you detect a natural gas leak.
However, the odor added to natural gas can
fade. Natural gas may be present even though
no odor exists.

Make certain you read and understand all
Warnings. Keep this manual for reference.
It is your guide to safe and proper operation
of this fireplace.

WARNING ICON

G 001

 WARNINGS

IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, oper-
ate, or service this fireplace. Im-
proper use of this fireplace can
cause serious injury or death from
burns, fire, explosion, electrical
shock, and carbon monoxide
poisoning.

 WARNING: Any change to this

fireplace or its controls can be
dangerous.

1.

This appliance is only for use with the
type of gas indicated on the rating plate.
This appliance is not convertible for use
with other gases.

2.

If you smell gas
• shut off gas supply
• 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

3.

This fireplace shall not be installed in
a bedroom or bathroom.

4.

Never install the fireplace
• in a recreational vehicle
• where curtains, furniture, clothing, or

other flammable objects are less than
36 inches from the front, top, or sides
of the fireplace

• as a fireplace insert
• in high traffic areas
• in windy or drafty areas

5.

Do not use this fireplace as a wood-
burning fireplace. Use only the logs
provided with the fireplace.

6.

Do not add extra logs or ornaments
such as pine cones, vermiculite, or rock
wool. Using these added items can
cause sooting. Do not add lava rock
around base. Rock and debris could fall
into the control area of fireplace.

7.

You must operate this fireplace with the
fireplace screen in place. Make sure
fireplace screen is in place before run-
ning fireplace.

8.

This fireplace is designed to be smoke-
less. If logs ever appear to smoke, turn
off fireplace and call a qualified ser-
vice person. 

Note:

 During initial op-

eration, slight smoking could occur due
to log curing and fireplace burning
manufacturing residues.

9.

To prevent the creation of soot, follow
the instructions in Cleaning and Main-
tenance, 
page 25.

10. Do not allow fans to blow directly into

the fireplace. Avoid any drafts that al-
ter burner flame patterns. Ceiling fans
can create drafts that alter burner flame
patterns. Altered burner patterns can
cause sooting.

11. Before using furniture polish, wax, car-

pet cleaner, or similar products, turn
heater off. If heated, the vapors from
these products may create a white pow-
der residue within burner box or on
adjacent walls or furniture.

12. This fireplace needs fresh air ventila-

tion to run properly. This fireplace has
an oxygen depletion sensor (ODS) pi-
lot light safety system. The ODS shuts
down the fireplace if not enough fresh
air is available. See Air for Combus-
tion and Ventilation,
 pages 5 through
7. If fireplace keeps shutting off, see
Troubleshooting, pages 22 through 24.

13. Do not run fireplace

• where flammable liquids or vapors

are used or stored.

• under dusty conditions.

14. Do not use this fireplace to cook food

or burn paper or other objects.

15. Never place any objects in the fireplace

or on logs.

16. Fireplace front and screen becomes

very hot when running fireplace. Keep
children and adults away from hot sur-
faces to avoid burns or clothing igni-
tion. Fireplace will remain hot for a
time after showdown. Allow surfaces
to cool before touching.

17. Carefully supervise young children

when they are in same room with fire-
place.

18. Do not use fireplace if any part has been

under water. Immediately call a quali-
fied service technician to inspect the
room fireplace and to replace any part
of the control system and any gas con-
trol which has been under water.

19. Turn off and unplug fireplace and let

cool before servicing. Only a qualified
service person should service and re-
pair fireplace.

20. Operating fireplace above elevations of

4,500 feet could cause pilot outage.

21. Do not use a blower insert, heat ex-

changer insert, or other accessory not
approved for use with this fireplace.

22. Do not operate fireplace if any log is

broken. Do not operate fireplace if a
log is chipped (dime-sized or larger).

Summary of Contents for VMH26NR

Page 1: ...t Installation and service must be per formed by a qualified installer service agency or the gas supplier WARNING Improper installa tion adjustment alteration ser vice or maintenance can cause injury...

Page 2: ...ll into the control area of fireplace 7 You must operate this fireplace with the fireplace screen in place Make sure fireplace screen is in place before run ning fireplace 8 This fireplace is designed...

Page 3: ...ping dam age If fireplace is damaged promptly inform dealer where you bought fire place SAFETY PILOT This fireplace has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilot is a re...

Page 4: ...gure 2 3 Lift screen up and pull out to remove 4 An optional blower is available See Ac cessories pages 26 and 27 Install op tional blower now Follow installation instructions provided with blower 5 G...

Page 5: ...in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is de fined as construction where a walls and ceilings exposed to the outside atmosphere...

Page 6: ...can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace ____________ Btu Hr Gas water heater ____________ Btu Hr Gas furnace ____________ Btu Hr Vented gas heater...

Page 7: ...Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic Figure 4 Ventilation Air from Inside Building Shown with Optional Mantel VENTILATION AIR Ventilation Air From Inside Building Thisfre...

Page 8: ...s to create the easiest installation see Built In Fireplace Installation page 9 CHECK GAS TYPE Use only natural gas If your gas supply is not natural gas do not install fireplace Call dealerwhereyoubo...

Page 9: ...verlap the firebox front facing IMPORTANT Noncombustible materials such as brick tile etc may overlap the front facing but should never cover any neces sary openings like louvered slots WARNING Do not...

Page 10: ...ews provided and attach fireplace base to wooden base see Figure 12 8 Remove brass trim kit and mantel Be careful not to damage wall or mantel 9 Place wood base next to wall at instal lation location...

Page 11: ...of valve cover shield 2 Make sure the wire harness is firmly connected to the terminals on the blower bracket assembly 3 Note the wire locations on back of AUTO OFF ON switch The terminals on back of...

Page 12: ...G Alicensedelectri cianmustconnectthewiringhar ness to electrical supply follow ing all local codes Electrician must provide a clamp on the box cover to secure the wiring Wir ing should be routed thro...

Page 13: ...tubingmaybeusedincer tainareas Checkyourlocalcodes Use pipe of 1 2 or greater diam eterto allow proper gasvolumeto fireplace If pipe is too small un due loss of pressure will occur CAUTION Usepipejoin...

Page 14: ...t concealed gas con nections A flexible gas line is provided to allow accessibility fromthefireplace seeFigure24 The flexible gas supply line con nection to the manual shutoff valve should be accessib...

Page 15: ...ual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage fireplace regulator 2 Cap off open end of gas pipe where manual shutoff valve was connected 3 Pressur...

Page 16: ...should be done by a quali fied installer familiar with low voltage wiring procedures INSTALLATION Continued OPTIONAL WIRELESS HAND HELD REMOTE CONTROL ACCESSORIES GHRC Series GHRCT Series Installing...

Page 17: ...minal of 25 ft wire to bottom contact of switch see Figure31 2 Connect remaining wire terminal to the TH terminal on the control valve Make sure that wire terminals are in the positions on your unit a...

Page 18: ...n 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety in formation column 1 If you don t smell gas go to the next step 6...

Page 19: ...amount of space to be heated the output of the central heating system etc For wall thermostat operation follow in struction supplied with thermostat acces sory GWMT1 For wall switch operation followi...

Page 20: ...structions on page 17 of this manual IMPORTANT The hand held remote control unit must be near the heater Do not keep the hand held remote control unit too close to the heater The thermostat on the han...

Page 21: ...e Pattern Figure42 IncorrectBurnerFlamePattern WARNING If yellow tipping occurs your fireplace could pro duce increased levels of carbon monoxide If burner flame pat tern shows yellow tipping follow i...

Page 22: ...maged REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind...

Page 23: ...1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural gas company 3 Observe minimum installation clear...

Page 24: ...oise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF position Gas odor during combustion REMEDY 1 Thi...

Page 25: ...the unit every 2 500 hours of operation or every three months Wealsorecommendthatyoukeeptheburner tube and pilot assembly clean and free of dustanddirt Tocleanthesepartswerecom mend using compressed...

Page 26: ...stain or paint Complete assembly instructions in cluded Three sided brass trim kit included CABINET MANTEL WITH BUILT IN HEARTH BASE AND TRADITIONAL SQUARE LEG STYLING Unfinished GM923U Finished GM922...

Page 27: ...nder warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Technical Service Department at 1 800 323 5190...

Page 28: ...ASSIC HEARTH FIREPLACE VMH26NR 39 37 38 4 22 40 11 28 30 12 7 35 25 10 9 7 23 1 2 43 43 8 14 6 24 33 19 34 31 32 13 41 21 5 26 18 15 27 1 27 2 43 3 43 29 16 18 3 17 42 36 4 4 20 43 ILLUSTRATED PARTS B...

Page 29: ...19 103845 11 Injector 1 20 102458 01CK Middle Rail 1 21 098249 01 Nut M5 6 22 103781 01 Gas Valve 1 23 102639 01 Baffle 1 24 101628 01 Flexible Connector 1 25 104305 01 Control Shield 1 26 103295 01CJ...

Page 30: ...aused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective fireplace will be the responsibility of the owner TO THE FU...

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