Desa Vanguard VMH26TNC Owner'S Operation And Installation Manual Download

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WARNING: If the information in this manual is not fol-
lowed 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 quali-

ﬁed installer, service agency, or the gas supplier.

MODELS VMH26TPC AND VMH26TNC

14,000 to 26,000 Btu/Hr with Thermostat

VENT-FREE COMPACT FIREPLACE

OWNER’S OPERATION AND INSTALLATION MANUAL

Shown with Optional Cabinet Mantel/Hearth Base Accessory

Summary of Contents for Vanguard VMH26TNC

Page 1: ...SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor 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 quali ﬁed installer service agency or the gas supplier MODELS VMH26TPC AND VMH26TN...

Page 2: ...e rating plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer TABLE OF CONTENTS Safety Information 3 Local Codes 4 Product Identiﬁcation 4 Product Features 5 Unpacking 5 Assembly 5 Air for Combustion and Ventilation 6 Installation 9 Operating Fireplace 19 Inspecting Burner 21 Cleaning and Maintenance 22 Tro...

Page 3: ...d proper operation of this ﬁreplace WARNING Any change to this heater or its controls can be dangerous WARNING Donotallowfans toblowdirectlyintotheﬁreplace Avoidanydraftsthatalterburner ﬂame patterns Ceiling fans can create drafts that alter burner ﬂame patterns Altered burner patterns can cause sooting WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for us...

Page 4: ...as an Oxygen Deple tion Sensing ODS safety shutoff system The ODS shuts down the ﬁreplace if not enough fresh air is available See Air for Combustion and Ventilation page 6 If ﬁreplace keeps shutting off see Troubleshooting page 23 11 Do not run ﬁreplace where ﬂammable liquids or vapors are used or stored under dusty conditions 12 Do not use this ﬁreplace to cook food or burn paper or other object...

Page 5: ...ing damage If ﬁreplace is damaged promptly inform dealer where you bought ﬁreplace ASSEMBLY WARNING Always have branch support and screen in placebeforeoperatingﬁreplace Thispreventsexcessivetemper atures on ﬁreplace surfaces WARNING Failuretoposition thepartsinaccordancewiththese diagrams or failure to use only parts speciﬁcally approved with this ﬁreplace may result in prop erty damage or person...

Page 6: ... insulation and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy efﬁ cient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fres...

Page 7: ...Have a Conﬁned or Unconﬁned Space Use this work sheet to determine if you have a conﬁned or unconﬁned space Space Includes the room in which you will install ﬁreplace plus any adjoining rooms with doorless pas sageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height __________cu ft volume of space Example Space size 20 ft ...

Page 8: ... connecting the two spaces see options 1 and 2 Figure 4 You can also remove door into adjoining room see option 3 Figure 4 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills ...

Page 9: ... mildew to form from too much moisture See Air for Combustion and Ventilation page 6 Note Your Vanguard ﬁreplace is designed to be used in zero clearance installations Wall or framing material can be placed directly against any exterior surface of your fireplace except where standoff spacers are integrally attached If standoff spacers are attached to your ﬁreplace these spacers can be placed direc...

Page 10: ...and depth of the ﬁreplace CAUTION If you install the ﬁreplace in a home garage fireplacepilotandburnermustbe at least 18 inches above ﬂoor locateﬁreplacewheremoving vehicle will not hit it For convenience and efﬁciency install ﬁreplace where there is easy access for operation inspec tion and service in coldest part of room An optional blower kit is available from your dealer see Accessories page 3...

Page 11: ...connections 3 Install gas piping to ﬁreplace location This installation includes an approved ﬂexible gas line if allowed by local codes after the equip ment shutoff valve The ﬂexible gas line must be the last item installed on the gas piping 4 If you have not assembled ﬁrebox follow instructions on page 4 5 Carefully set ﬁreplace in front of rough opening with back of ﬁreplace inside wall opening ...

Page 12: ...le locate outlet so cabinet mantel will cover it when installed see Figure 12 3 Place hearth base against wall at installation location Cut an access hole in hearth base to run gas line to ﬁreplace see Figure 12 Make sure to locate access hole so cabinet mantel will cover it when installed Note You can secure base to ﬂoor using wood screws Countersink screw heads and putty over 4 Route ﬂexible gas...

Page 13: ...n see Figure 16 page 14 2 Using short Phillips screwdriver remove the screw under the center of the branch support Rotate valve cover shield clockwise and slide out IMPORTANT Do not remove shoulder screw on the left side of valve cover shield Slide the valve cover shield off of the shoulder screw see Figure 16 page 14 Note If you do not have a short Phillips screwdriver the screen log set and bran...

Page 14: ... is in the ON position the fan will run until turned to OFF Reinstall upper louver assembly and hood if previously removed see Figure 15 page 13 Close lower louver door Installing Blower Assembly CAUTION Label all wires prior to disconnection when servicingcontrols Wiringerrors cancauseimproperanddanger ous operation CAUTION Verify proper op eration after servicing Note If you are using a mantel w...

Page 15: ...supplied will not be used in built in installations Pop in the plastic snap bushing found in hardware kit into the hole left by supply cord strain relief 4 A licensed electrician must follow the wiring diagram to connect incoming electrical supply to fan kit wiring harness see Figure 19 5 Plug power cord to the outlet receptacle not provided as shown in Figure 18 Wind the extra power cord and tie ...

Page 16: ...may be used in certain areas Check your local codes Use pipe of 1 2 or greater diameter to allow proper gas volume to ﬁreplace If pipe is too small undue loss of volume will occur Installation must include a equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from ﬁreplace see Figure 22 IMPORTANT Install equipment shutof...

Page 17: ...ce see Figure 23 3 Route ﬂexible gas line included from ﬁreplace control to equipment shutoff valve through side or rear access holes in outer casing NOTICE Most building codes do not permit concealed gas con nections A ﬂexible gas line is provided to allow accessibility fromtheﬁreplace seeFigure23 The ﬂexible gas supply line con nectiontotheequipmentshutoff valve should be accessible CAUTION Avoi...

Page 18: ...or opening main gas valve located on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply a noncorrosive leak detection ﬂuid to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected ﬁttings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 ...

Page 19: ...ICE Duringinitialoperation of new ﬁreplace burning logs will give off a paper burning smell Orange ﬂame will also be present Open window to vent smell Operate ﬁreplace on HI position to burn off odor This will only last a few hours 1 STOP Read the safety information starting in column 1 2 Make sure equipment shutoff valve is fully open 3 Turn control knob clockwise to the OFF position 4 Wait ﬁve 5...

Page 20: ... position 2 Turn off all electric power to the appliance if service is to be performed Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the PILOT position THERMOSTAT CONTROL OPERATION The thermostatic control used on this ﬁreplace differs from standard thermostats Standard ther mostats simply turn on and off the burner The thermostat used on this ﬁreplace senses the room tem...

Page 21: ... pattern The incorrect pilot ﬂame is not properly heating the thermocouple This will cause the thermocouple to cool When the thermocouple cools the ﬁreplace will shut down If pilot ﬂame pattern is incorrect as shown in Figure 33 turn ﬁreplace off see To Turn Off Gas to Ap pliance page 20 see Troubleshooting page 23 Note The pilot ﬂame on natural gas units will have a slight curve but ﬂame should b...

Page 22: ...ow position If using com pressed air in a can please follow the directions on the can If you donʼt follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figure 35 3 Blow air through the ports slots and hole...

Page 23: ...sition 4 Air in gas lines when in stalled 5 Depleted gas supply propane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 2 Reconnect ignitor cable 3 Replace ignitor cable 4 Replace piezo ignitor 5 Replace pilot assembly 6 Replace pilot assembly 1 Turn on gas supply or open equipment shutoff va...

Page 24: ... terlock system to reset Repeat ignition operation 4 Fully open equipment shutoff valve 5 Hand tighten until snug then tighten 1 4 turn more 6 A Contact local propane LP or natural gas company B Clean ODS pilot see Cleaning and Maintenance page 22 or replace ODS pilot assembly 7 Replace pilot assembly 8 Replace control valve 1 Clean burner see Cleaning and Maintenance page 22 or replace burner ori...

Page 25: ...nd let warm up for a minute 2 Operate burner until air is re moved from line Have gas line checked by local propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 12 4 Clean burner see Cleaning and Maintenance page 22 or replace burner oriﬁce 1 Turn heater off when using furniture polish wax carpet cleaners or similar products 1 This is common with most fireplaces If...

Page 26: ...ally clogged 1 Gas leak See Warning statement above 2 Control valve defective 1 Foreign matter between con trol valve and burner 2 Gas leak See Warning statement above 1 Not enough combustion ven tilation air REMEDY 1 Ventilate room Stop using odor causing products while ﬁreplace is running 2 Reﬁll supply tank 3 Locate and correct all leaks see Checking Gas Connec tions page 18 1 Open window and o...

Page 27: ...at 1 866 672 6040 for referral information When calling DESA Heating Products have ready your name your address model and serial numbers of your ﬁreplace how ﬁreplace was malfunctioning type of gas used propane LP or natural gas purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they canʼt supply original r...

Page 28: ...11 01D 28 ILLUSTRATED PARTS BREAKDOWN MODELS VMH26TPC SHOWN AND VMH26TNC 23 29 40 32 36 38 13 7 8 33 40 11 10 4 7 30 1 3 2 9 17 19 6 22 31 21 41 42 16 15 18 24 28 34 25 27 20 4 35 12 24 12 1 14 25 14 40 3 37 26 39 39 5 6 9 ...

Page 29: ...ator Screw 2 19 Outer Shell Base 1 20 102649 02 Branch Support 1 21 099415 09 Gas Regulator 1 099415 10 Gas Regulator 1 22 102875 01 Regulator Bracket 1 23 101381 01 Valve Cover and Piezo 1 24 099387 11 Pilot Tube 1 25 098271 06 Ignitor Cable 1 26 107186 01 Injector 1 107186 02 Injector 1 27 101006 02 Pilot Bracket 1 28 098249 01 Nut M5 2 29 098522 26 Gas Valve 1 098522 23 Gas Valve 1 30 102639 01...

Page 30: ...nal extruded louver Kit contains 2 louvers THERMOSTATICALLY CONTROLLED BLOWER KIT GA3450TA For all models Provides better heat distribution Makes ﬁreplace more efﬁcient Automatically turns off and on as needed CORNER MANTEL WITH FULL HEARTH BASE Not Shown GMC64FC Series Oak Finished GMC63UC Series Unﬁnished CS26CP Series 2 Tone Finish Black Lyptus GMC83FA Series Oak Finished Column Style CMA208F S...

Page 31: ...ent performance problems This kit gives you the tools and instruc tions to make it easy to clean all critical areas of your appliance INFORMATION VIDEO 108917 01 A care and maintenance video is available by calling 1 866 672 6040 You may also email your request to productsupport desaint com FIRE CRACKLE CF6 A Not Shown Creates the sound of a real burning ﬁre ...

Page 32: ...used by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENTALLOWED BYTHE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WAR...

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