Save this manual for future reference. Owner’s operation and installation manual vent-free natural gas compact classic hearth ® fireplace ® shown with optional cabinet mantel/hearth base accessory 15,000 to 26,000 btu/hr remote control ready vmh26nra warning: if the information in this manual is not...
2 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com important: read this owner’s manual carefully and com- pletely before trying to as- semble, operate, or service this fireplace. Improper use of this fireplace can cause serious in- jury or death from bu...
3 107033 owner’s manual for more information, visit www.Desatech.Com product identification local codes install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of the national fuel gas code ans z223.1, also known as nfpa 54*. *available from...
4 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com assembly warning: always have branch support and screen in place before operating fireplace. This prevents excessive tempera- tures on fireplace surfaces. Figure 3 - assembling fireplace figure 4 - asse...
5 107033 owner’s manual for more information, visit www.Desatech.Com air for combustion and ventilation today’s homes are built more energy effi- cient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk aro...
6 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com air for combustion and ventilation continued warning: if the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight constru...
7 107033 owner’s manual for more information, visit www.Desatech.Com air for combustion and ventilation continued figure 6 - ventilation air from outdoors shown with optional mantel ventilation air from outdoors provide extra fresh air by using ventilation grills or ducts. You must provide two per- ...
8 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com warning: a qualified ser- vice person must install fireplace. Follow all local codes. You can recess firebox into the wall. You can also position fireplace in the optional cabinet or corner mantels. Imp...
9 107033 owner’s manual for more information, visit www.Desatech.Com figure 10 - attaching fireplace to wall studs nailing flanges nails or wood screws installation continued 36 5/8" 25 7/8" 51 3/4" 26 7/8" figure 9 - rough opening for installing in corner 2. If installing ga3400(t) blower acces- so...
10 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com assembling brass trim (brass trim shipped with mantel) 1. Remove packaging from three remain- ing pieces of brass trim. 2. Locate two adjusting plates with set screws, and two shims in the hard- ware p...
11 107033 owner’s manual for more information, visit www.Desatech.Com continued figure 15 - removing upper louver assembly and branch support installation continued blower bracket mounting holes installing blower accessory ga3400t removing upper louver assembly to install the blower accessory, you m...
12 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com 1. Install a snap bushing found in hard- ware kit into one of the holes found rear of valve cover shield. The other hole is for a strain relief clamp (not supplied) to secure incoming electrical supply...
13 107033 owner’s manual for more information, visit www.Desatech.Com connecting to gas supply warning: a qualified ser- vice person must connect fire- place to gas supply. Follow all local codes. Important: check gas line pressure be- fore connecting fireplace to gas line. Gas line pressure must be...
14 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com installation continued figure 23 - removing branch support from fireplace connecting fireplace to gas supply installation items needed • phillips screwdriver • sealant (resistant to propane/lp gas, not...
15 107033 owner’s manual for more information, visit www.Desatech.Com on position off position open closed equipment shutoff valve figure 25 - equipment shutoff valve gas meter figure 26 - checking gas joints equipment shutoff valve test pressures equal to or less than 1/2 psig (3.5 kpa ) 1. Close e...
16 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com optional wall mounted thermostat - gwmt1 warning: do not connect this thermostat to any electrical source! Electrical shock and/or fire hazard will occur. 1. Connect one terminal of 25 ft. Wire to bott...
17 107033 owner’s manual for more information, visit www.Desatech.Com aut o off on w r installation continued figure 32 - connecting wire terminals optional wall switch - gwms2 warning: do not connect this switch to any electrical source! Electrical shock and/or fire hazard will occur. 6. Connect on...
18 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com operating fireplace for your safety read before lighting warning: if you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of...
19 107033 owner’s manual for more information, visit www.Desatech.Com to turn off gas to appliance shutting off heater 1. Turn control knob clockwise to the off position. 2a. Set selector switch in the off position. 2b. If using optional hand-held re- mote: set selector switch in the off position to...
20 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com inspecting burner thermocouple pilot burner figure 40 - correct pilot flame pattern thermocouple pilot burner figure 41 - incorrect pilot flame pattern check pilot flame pattern and burner flame patter...
21 107033 owner’s manual for more information, visit www.Desatech.Com cleaning and maintenance warning: turn off fireplace and let cool before cleaning. Caution: you must keep con- trol areas, burner, and circulating air passageways of fireplace clean. Inspect these areas of fire- place before each ...
22 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com troubleshooting warning: turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. Caution: never use a wire, needle, or similar object to clean o...
23 107033 owner’s manual for more information, visit www.Desatech.Com observed problem burner does not light after ods/pilot is lit delayed ignition burner burner backfiring during combustion slight smoke or odor during initial operation moisture/condensation noticed on windows heater produces a whi...
24 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com warning: 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 f...
25 107033 owner’s manual for more information, visit www.Desatech.Com technical service you may have further questions about in- stallation, operation, or troubleshooting. If so, contact desa international’s techni- cal service department at 1-800-323-5190. You can also visit desa international’s te...
26 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com 39 37 38 4 22 40 32 11 28 30 12 7 35 25 10 9 7 23 1 2 20 20 8 14 6 24 33 19 34 31 31 13 41 21 5 26 18 15 27 20 3 20 29 16 18 3 17 42 36 4 4 20 illustrated parts breakdown vmh26nra 11.
27 107033 owner’s manual for more information, visit www.Desatech.Com parts list vmh26nra this list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under replacement parts on page 25 of this manual. Key no. Part no. Description qty. 1 102633-02c...
28 107033 compact classic hearth fireplace vmh26nra ® for more information, visit www.Desatech.Com accessories purchase these fireplace accessories from your local dealer. If they cannot supply these accessories call desa international’s sales department at 1-800-458-2472 for referral information. Y...
29 107033 owner’s manual for more information, visit www.Desatech.Com receiver and hand-held remote control kit - ghrc series for all models. Allows the gas log heater to be turned on and off by using a hand-held remote control. Wall mounted thermostat kit - gwmt1 (not shown) for all models. Allows ...
2701 industrial drive p.O. Box 90004 bowling green, ky 42102-9004 www.Desatech.Com 107033-01 rev. B 09/00 limited warranty vent-free natural gas compact classic hearth ® fireplace desa international warrants this product to be free from defects in materials and components for four (4) years and five...
