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VENT-FREE HEATER

OWNER’S OPERATION AND
INSTALLATION MANUAL

Save this manual for future reference.

Save this manual for future reference.

For more information, visit www.desatech.com

For more information, visit www.desatech.com

TM

RFN30TA

RFP30TA

VMH3000TNA

VMH3000TPA

15,000 to 30,000 Btu/Hr

with Thermostat

Shown with Optional

Mantel Which Features

a Built-in Base

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 in-
structions.

• 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.

WARNING: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
manual for correct installation and
operational procedures. For as-
sistance or additional information
consult a qualified installer, ser-
vice agency, or the gas supplier.

WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion must be provided.
Refer to 

Air For Combustion and

Ventilation  section on page 5 of
this manual.

This appliance may be installed in an aftermarket*, permanently located, manufactured (mobile)
home, where not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This appli-
ance is not convertible for use with other gases.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

Summary of Contents for Comfort Glow RFN30TA

Page 1: ...structions 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 WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual for correct installation and operational procedures For as sistance or additional informat...

Page 2: ...they are in same room with heater Make sure screen is in place before running heater Keep the appliance area clear and free from combus tiblematerials gasoline andotherflammablevapors and liquids Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once ...

Page 3: ... em kgo dki rln fgp d f AS DF KIG LF JI als kdi dko em kgo dki rln fgp d fA SD FK IGL FJ I als kdi dko em kgo dki rln fgp d f AS DF KIG LF JI als kdi dko em kgo dki rln fgp d A SD FK IGL FJ I als kdi dko em kgo dki rln fgp d f AS DF KIG LF JI als kdi dko em kgo dki rln fgp d fA SD FK IGL FJ I als kdi dko em kgo dki rln fgp d f AS DF KIG LF JI als kdi dko em kgo dki rln fgp d fA SD FK IGL FJ I als ...

Page 4: ... down see Figure 2 INSTALLING HOOD 1 Remove hood from protective tray 2 Locate 4 black sheet metal screws from hardware pack 3 Place hood on deflector and line up holes see Figure 3 4 Secure hood to deflector with 4 black sheet metal screws Note Side of hood should be on the outside flange of deflector INSTALLING LOG Note For easier installation lay heater on its back 1 With Phillips screwdriver r...

Page 5: ...tach front panel to heater if you are going to mount the heater to the base Do not reattach front panel at this time if you are going to mount heater to wall Side Brass Trim Top Brass Trim Slot Mitered Edge Slot Set Screws Adjusting Plate Screws Assembled Brass Trim Figure 6 Attaching Brass Trim to Heater Figure 5 Assembling Brass Trim Shim ASSEMBLING HEATER Attaching Brass Font Trim To Front Pane...

Page 6: ...nicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unc...

Page 7: ...ating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 7 You can also remove door into adjoining room see option 3 Figure 7 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of venti...

Page 8: ...RTANT Only use op tional mantel and hearth base specified in this manual Purchase the optional mantel and hearth base from your dealer See Accessories page 21 The heater may also be mounted on a wall You cannot use optional mantel if mounting heater on a wall WARNING Never install the heater in a bedroom or bathroom in a recreational vehicle where curtains furniture clothing or other flam mable ob...

Page 9: ...RNING Maintain minimum clearances shown in Figure 11 If you can provide greater clearances from floor and joining wall Figure 10 Attaching Thermostat Sensing Bulb Thermostat Sensing Bulb Clamp 18 3 4 Min 11 Min 16 Adjoining Wall Only Insert Mounting Screws Through Last Hole On Each End Floor Figure 11 Mounting Bracket Clearances INSTALLATION Continued Attaching to Wall Stud This method provides th...

Page 10: ...unting Heater Onto Mounting Bracket Installing Bottom Mounting Screws 1 Locate two bottom mounting holes These holes are near bot tom on back panel of heater see Figure 15 2 Mark screw locations on wall 3 Remove heater from mounting bracket 4 If installing bottom mounting screws into hollow or solid wall install wall anchors Follow steps 1 through 4 under Attaching To Wall Anchor Method If install...

Page 11: ...llips screwdriver secure hearth base to heater with four sheet metal screws see Figure 16 5 Stand heater up on base 6 Place hearth insert in hearth base as shown in Figure 17 7 Assemble brass trim see steps 1 through 7 under Assembling and Attaching Brass Trim page 5 8 Slide base trim on heater base Attach brass trim to base with two brass screws included as shown in Figure 17 INSTALLATION Continu...

Page 12: ...ng off the gas to the appliance Checkyourbuildingcodesforanyspecialrequirementsforlocating equipment shutoff valve to heater Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves WARNING Never connect natural gas heater to private non utility gas wells This gas is commonly known as wel...

Page 13: ...ve see Figure 21 for natural gas or to propane LP supply tank see Figure 22 Apply a noncorrosive leak detection fluid to gas joints Bubbles forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Figure 20 2 Open main gas valve located on or near gas meter for natural gas or open propane LP supply tank valve for propane LP gas 3 Ma...

Page 14: ...nutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Fol low B in the safety information above If you don t smell gas go to the next step 5 Turn control knob counterclockwise C clockwise to the PILOT position Press in control knob for five 5 seconds see Fig ure 23 Note You may be running this heater for the first time after hooking up to gas supply If so the...

Page 15: ...er Lighting Instructions page 14 5 Replace front panel INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 26 shows a correct pilot flame pattern Figure 27 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the heater will shut down I...

Page 16: ...he direc tions on the can If you don t 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 30 3 Blow air through the ports slots and holes in the burner 4 Check the injector holder located at the e...

Page 17: ...ouching thermocouple which allows thermocouple to cool causing pilot flame to go out This prob lem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot 7 Thermocouple damaged 8 Control valve damaged REMEDY 1 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 2 Reconnect ignitor cable 3 Tighten nut holding piezo ignitor t...

Page 18: ...age 16 2 Replace gas regulator 1 Problem will stop after a few hours of operation 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 ances see Figure 9 page 8 4 Clean burner see Cleaning and Mainte nance page 16 or replace burner orifice 1 Turn heater...

Page 19: ...Gas Connections page 13 1 Refer to Air for Combustion and Venti lation requirements page 5 POSSIBLE 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 page 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak...

Page 20: ... pounds Heater 29 29 Shipping 35 35 For purposes of input adjustment Measurement includes knobs and hood SPECIFICATIONS REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s either contact your nearest Parts...

Page 21: ...MC28F For use with heater Features built in base sturdy hardwood con struction with classic styling and attractive molding Available in light oak finish walnut finish or an unfinished hardwood ready to stain or paint Complete assembly and installation instructions included CORNER MANTEL Unfinished GMC35U Series Finished GMC34F Series For use with heater Features built in base Space saving corner d...

Page 22: ...atech com For more information visit www desatech com 22 ILLUSTRATED PARTS BREAKDOWN RFN30TA RFP30TA VMH3000TNA VMH3000TPA 1 2 9 10 10 12 13 14 15 17 19 20 23 24 25 6 26 6 7 1 1 3 1 28 5 16 18 4 22 1 1 1 21 11 8 27 ILLUSTRATED PARTS BREAKDOWN ...

Page 23: ...9 01 Nut M5 2 12 107485 01 107486 01 ODS Pilot Assembly 1 13 103447 01 103447 01 Burner 1 14 099387 03 099387 03 3 16 Pilot Tubing 1 15 103845 12 103845 10 Injector 1 16 NJF 8C NJF 8C Nut Hex 1 17 099415 11 099415 06 Pressure Regulator 1 18 103408 01 103408 01 Burner Bracket 2 19 103255 01 103255 01 3 8 Outlet Burner Tubing 1 20 103256 01 103256 01 3 8 Inlet Tubing 1 21 107218 01 107218 01 Deflect...

Page 24: ...2672 616 791 0505 1 800 446 1446 Fax 616 791 8270 www nbmc com Washer Equipment Co 1715 Main Street Kansas City MO 64108 2195 KS MO AR 816 842 3911 www washerparts com East Coast Energy Products 707 Broadway W Long Branch NJ 07764 1542 732 870 8809 1 800 755 8809 www njplaza com ecep Tarantin Tank Co P O Box 6129 Freehold NJ 07728 6129 908 780 9340 1 800 922 0724 www tarantin com Heater Fireplace ...

Page 25: ...ed College Completed Graduate School 13 Age of Purchaser Under 20 20 29 30 39 40 49 50 59 60 or Over 14 Buyer s total annual household income Under 15 000 15 000 to 19 999 20 000 to 34 999 35 000 to 49 999 50 000 to 74 999 75 000 to 99 999 100 000 and Over 15 Store where product was purchased Name ______________________________________ City _______________________ State __________ 16 In choosing t...

Page 26: ...109889 For more information visit www desatech com For more information visit www desatech com 26 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 Postage Required TM ...

Page 27: ..._____________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ __________________________________________________...

Page 28: ...n visit www desatech com For more information visit www desatech com 28 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com TM 109889 01 Rev A 02 02 Model Serial No Date Purchased NOT A UPC 109889 01 ...

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