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UNVENTED (VENT-FREE) GAS
®
COMPACT CLASSIC HEARTH
FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
For more information, visit www.desatech.com
For more information, visit www.desatech.com
Thermostat Models:
VMH10TPB, VMH10TNB,
EFS10TP and EFS10TN
Remote-Ready Models:
VMH26PRA, VMH26NRA,
Shown with Optional
EFS26PR, and EFS26NR
Cabinet Mantel/Hearth
Base Accessory
WARNING: Improper installation,
WARNING: If the information in this manual is not
adjustment, alteration, service, or
followed exa
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TABLE OF CONTENTS 2 SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ............................................................ 2 CLEANING AND MAINTENANCE ............................................ 29 PRODUCT IDENTIFICATION ..................................................... 3 WIRING DIAGRAM ................................................................... 29 OPTIONAL REMOTE CONTROL ACCESSORIES .................... 4 TROUBLESHOOTING ................................................
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SAFETY INFORMATION 3 PRODUCT IDENTIFICATION 3 SAFETY INFORMATION Continued 15. Turn off and unplug fireplace and let cool before servicing. Only Keep the appliance area clear and free from combus- a qualified service person should service and repair fireplace. tible materials, gasoline, and other flammable vapors 16. Operating fireplace above elevations of 4,500 feet could cause and liquids. pilot outage. 1. This appliance is only for use with the type of gas indicated on 17. Do not operate fire
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OPTIONAL REMOTE CONTROL ACCESSORIES 4 LOCAL CODES PRODUCT FEATURES UNPACKING OPTIONAL REMOTE UNPACKING 1. Remove log box and fireplace from carton. IMPORTANT: The CONTROL ACCESSORIES fireplace hood is inside the cardboard protective end wrap on (For Remote-Ready Models Only) the left side of fireplace (as viewed from front). A decal is on There are four optional remote controls that can be purchased the outside of the cardboard end wrap stating hood is enclosed separately for Remote-Ready Models
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ASSEMBLY 5 Assembling Fireplace 5 ASSEMBLY 4. Locate four black phillips sheet metal screws from the hard- WARNING: Always have branch support and ware packet. screen in place before operating fireplace. This pre- 5. Rotate hood as shown in Figure 4. Make sure hood tabs vents excessive temperatures on fireplace surfaces. point toward fireplace. 6. Insert hood tabs between baffle and louvers (see Figure 4). 7. Gently rotate hood to upright position. Make sure hood tabs WARNING: Failure to posit
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AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation 6 Determining Fresh-Air Flow for Fireplace Location AIR FOR COMBUSTION AND VENTILATION c. caulking or sealants are applied to areas such as WARNING: This fireplace shall not be installed in joints around window and door frames, between sole a confined space or unusually tight construction plates and floors, between wall-ceiling joints, between unless provisions are provided for adequate com- wall panels, at penetrations for plumb
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AIR FOR COMBUSTION AND VENTILATION 7 Determining Fresh-Air Flow for Fireplace Location (Cont.) 7 Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued 3. Add the Btu/Hr of all fuel burning appliances in the space. VENTILATION AIR Vent-free fireplace _____________ Btu/Hr Ventilation Air From Inside Building Gas water heater* _____________ Btu/Hr Gas furnace _____________ Btu/Hr This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space,
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AIR FOR COMBUSTION AND VENTILATION INSTALLATION Ventilation Air (Cont.) 8 INSTALLATION AIR FOR COMBUSTION AND INSTALLATION VENTILATION NOTICE: This heater is intended for use as supplemen- Continued tal heat. Use this heater along with your primary heating system. Do not install this heater as your Ventilation Air From Outdoors primary heat source. If you have a central heating system, you may run system’s circulating blower Provide extra fresh air by using ventilation grills or ducts. You must
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INSTALLATION 9 Check Gas Type 9 Installation Items Fireplace Clearances INSTALLATION Continued Use the dimensions shown for rough openings to create the easiest CAUTION: If you install the fireplace in a home installation (see Built-In Fireplace Installation, page 10). garage CHECK GAS TYPE • fireplace pilot and burner must be at least 18 inches above floor. Use the correct gas type (natural or propane/LP) for your unit. If • locate fireplace where moving vehicle will not hit it. your gas suppl
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INSTALLATION Built-In Fireplace Installation 10 INSTALLATION Continued BUILT-IN FIREPLACE INSTALLATION WARNING: If pre-wiring, do not connect wiring to Built-in installation of this fireplace involves installing fireplace any electrical source at this time. into a framed-in enclosure. This makes the front of fireplace flush Install fireplace electrical outlet and connect wiring with wall. An optional brass trim kit accessory is available (see to outlet before connecting to electrical source. Th
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INSTALLATION 11 Built-In Fireplace Installation (Cont.) 11 Optional Mantel Installation INSTALLATION Continued NOTICE: If your installation does not meet the mini- WARNING: Do not allow any combustible materi- mum clearances shown, you must do one of the als to overlap the firebox front facing. following: IMPORTANT: Noncombustible materials such as brick, tile, etc. • raise the mantel to an acceptable height may overlap the front facing, but should never cover any necessary • remove the mantel
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INSTALLATION Optional Mantel Installation (Cont.) 12 Installing Blower Accessory GA3450T in Remote-Ready Models INSTALLATION Continued 3 10. Attach wood base to floor with two 1 /4" black screws pro- Set vided (see Figure 13). If the floor is concrete use anchor method Screws (see Attaching Wood Base to Solid Floor, page 17). Adjusting Top Brass Trim 11. Install gas line. See Connecting To Gas Supply, pages 17 and 18. Slot Plate 12. Check for leaks. See Checking Gas Connections, page 19. Mitered
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3 2 1 INSTALLATION 13 Installing Blower Accessory GA3450T in Remote-Ready Models (Cont.) 13 INSTALLATION Continued 5. In top of the fireplace cabinet, locate the four mounting holes Installing Blower Accessory on the outer casing. Align these four holes with those on the blower bracket assembly. Attach blower bracket assembly to CAUTION: Label all wires prior to disconnection the outer casing with 4 #10 screws provided (see Figure 16). when servicing controls. Wiring errors can cause 6. Route t
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INSTALLATION Installing Blower Accessory GA3450T in Remote-Ready Models (Cont.) 14 Installing Blower Accessory GA3450T in Thermostat-Controlled Models INSTALLATION Continued 5. Test to make sure the blower is working properly. For Built-In Installation 6. Reinstall upper louver assembly (see Figure 15, page 12) and close lower louver. WARNING: A licensed electrician must connect the wiring harness to electrical supply following all local Extension Cord codes. Electrician must provide a clamp on
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3 2 1 INSTALLATION 15 Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) 15 INSTALLATION Continued 3. Note the wire locations on back of AUTO/OFF/ON switch. Removing Valve Cover Shield The terminals on back of switch are numbered 1, 2, and 3. 1. Open bottom louver assembly by swinging the assembly down Carefully remove red wire from terminal 3 and blue wire from (see Figure 22). terminal 1. Black wire can remain on middle terminal 2 (see 2. Using short Phillips screwdriv
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3 2 1 INSTALLATION Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) 16 INSTALLATION Continued 7. Insert the 4 wire harness into one of the round holes in the rear 4. A licensed electrician must follow the wiring diagram to con- of the valve cover shield and through the rectangular hole in nect incoming electrical supply to fan kit wiring harness (see the front of shield (see Figure 23, page 15). Figure 26). 8. Reconnect red wire to switch position 3. Reconnect blue wir
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INSTALLATION 17 Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) 17 Attaching Wood Base to Solid Floor Connecting to Gas Supply INSTALLATION Continued Extension Cord CONNECTING TO GAS SUPPLY Use extension cord if needed. The cord must have a three-prong, grounding plug and a three-hole receptacle. Make sure cord is in good WARNING: This appliance requires a 45° male flare shape. It must be heavy enough to carry the current needed. An fitting 5/8"-18 UNF (Unified Nation
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INSTALLATION Connecting To Gas Supply (Cont.) 18 Connecting Fireplace to Gas Supply INSTALLATION Continued We recommend that you install a sediment trap in supply line as CAUTION: Use only new, black iron or steel pipe. shown in Figure 30. Locate sediment trap where it is within reach for Internally-tinned copper tubing may be used in cer- cleaning. Install in piping system between fuel supply and heater. tain areas. Check your local codes. Use pipe of 1/2" Locate sediment trap where trapped ma
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INSTALLATION 19 Connecting Equipment shutoff Valve To Heater Control (Cont.) 19 Checking Gas Connections INSTALLATION Continued 2. Route flexible gas line, included, from fireplace control to CHECKING GAS CONNECTIONS equipment shutoff valve through side or rear access holes in outer casing. WARNING: Test all gas piping and connections, 3. Apply pipe joint sealant lightly to male threads of gas connec- internal and external to unit, for leaks after installing tor attached to flexible gas line/eq
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INSTALLATION Checking Gas Connections (Cont.) 20 Optional Wireless Hand-Held Remote Control Accessories [Remote-Ready Models Only] INSTALLATION Continued 3. Check all joints from gas meter to equipment shutoff valve for OPTIONAL WIRELESS HAND-HELD REMOTE natural gas or propane/LP supply to equipment shutoff valve CONTROL ACCESSORIES for propane/LP (see Figures 34 or 35). Apply noncorrosive Remote-Ready Models Only leak detection fluid to all joints. Bubbles forming show a leak. (GHRCB Series & G
