Desa VMH10TPB Operation And Installation Manual

Unvented (vent-free) gas compact classic hearth fireplace

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For more information, visit www.desatech.com
For more information, visit www.desatech.com
Shown with Optional
Cabinet Mantel/Hearth
Base Accessory
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing 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.
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 appliance
is not convertible for use with other gases.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
UNVENTED (VENT-FREE) GAS
COMPACT CLASSIC HEARTH
FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
Save this manual for future reference.
Save this manual for future reference.
Thermostat Models:
VMH10TPB, VMH10TNB,
EFS10TP and EFS10TN
Remote-Ready Models:
VMH26PRA, VMH26NRA,
EFS26PR, and EFS26NR
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 assis-
tance or additional information con-
sult a qualified installer, service
agency, or the gas supplier.
WARNING: This is an unvented gas-
fired heater. It uses air (oxygen)
from the room in which it is in-
stalled. Provisions for adequate
combustion and ventilation air
must be provided. Refer to Air for
Combustion and Ventilation sec-
tion on page 6 of this manual.
®

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  • Page 1 ® 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...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ............2 CLEANING AND MAINTENANCE ..........29 PRODUCT IDENTIFICATION ............. 3 WIRING DIAGRAM ..............29 OPTIONAL REMOTE CONTROL ACCESSORIES ....4 TROUBLESHOOTING .............. 30 SPECIFICATIONS ..............33 LOCAL CODES ................4 PRODUCT FEATURES ..............
  • Page 3: Product Identification

    SAFETY INFORMATION PRODUCT IDENTIFICATION 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.
  • Page 4: Optional Remote Control Accessories

    OPTIONAL REMOTE CONTROL ACCESSORIES LOCAL CODES PRODUCT FEATURES UNPACKING OPTIONAL REMOTE UNPACKING CONTROL ACCESSORIES 1. Remove log box and fireplace from carton. IMPORTANT: The 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 only:...
  • Page 5: Assembly

    ASSEMBLY Assembling Fireplace 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.
  • Page 6: Air For Combustion And Ventilation

    AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation 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-...
  • Page 7 AIR FOR COMBUSTION AND VENTILATION Determining Fresh-Air Flow for Fireplace Location (Cont.) Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Add the Btu/Hr of all fuel burning appliances in the space. Vent-free fireplace _____________ Btu/Hr Ventilation Air From Inside Building Gas water heater* _____________ Btu/Hr Gas furnace...
  • Page 8: Installation

    AIR FOR COMBUSTION AND VENTILATION INSTALLATION Ventilation Air (Cont.) 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.
  • Page 9: Check Gas Type

    INSTALLATION Check Gas Type 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 •...
  • Page 10 INSTALLATION Built-In Fireplace Installation 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.
  • Page 11: Optional Mantel Installation

    INSTALLATION Built-In Fireplace Installation (Cont.) 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.
  • Page 12 INSTALLATION Optional Mantel Installation (Cont.) Installing Blower Accessory GA3450T in Remote-Ready Models INSTALLATION Continued 10. Attach wood base to floor with two 1 " black screws pro- vided (see Figure 13). If the floor is concrete use anchor method Screws (see Attaching Wood Base to Solid Floor, page 17).
  • Page 13 INSTALLATION Installing Blower Accessory GA3450T in Remote-Ready Models (Cont.) INSTALLATION Continued Installing Blower Accessory 5. In top of the fireplace cabinet, locate the four mounting holes 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).
  • Page 14 INSTALLATION Installing Blower Accessory GA3450T in Remote-Ready Models (Cont.) Installing Blower Accessory GA3450T in Thermostat-Controlled Models INSTALLATION Continued For Built-In Installation 5. Test to make sure the blower is working properly. 6. Reinstall upper louver assembly (see Figure 15, page 12) and close lower louver.
  • Page 15 INSTALLATION Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) INSTALLATION Continued Removing Valve Cover Shield 3. Note the wire locations on back of AUTO/OFF/ON switch. 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).
  • Page 16 INSTALLATION Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) INSTALLATION Continued 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).
  • Page 17: Connecting To Gas Supply

    INSTALLATION Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) 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, WARNING: This appliance requires a 45 male flare grounding plug and a three-hole receptacle.
  • Page 18: Connecting Fireplace To Gas Supply

    INSTALLATION Connecting To Gas Supply (Cont.) 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.
  • Page 19: Checking Gas Connections

    INSTALLATION Connecting Equipment shutoff Valve To Heater Control (Cont.) 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.
  • Page 20 INSTALLATION Checking Gas Connections (Cont.) 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).
  • Page 21 INSTALLATION Optional Wireless Hand-Held Remote Control Accessories [Remote-Ready Models Only] (Cont.) Optional Wall Mounted Thermostat - GWMT1 [Remote-Ready Models Only] INSTALLATION Continued OPTIONAL WALL MOUNTED THERMOSTAT - GWMT1 Remote (Remote-Ready Models Only) Receiver Red Wire WARNING: Read and follow installation instruc- tions.
  • Page 22 INSTALLATION Optional Wall Mounted Thermostat - GWMT1 [Remote-Ready Models Only] (Cont.) Optional Wall Switch - GWMS2 [Remote-Ready Models Only] Installing Log Set and Screen INSTALLATION Continued 6. Connect one bare wire end to each terminal (“W” and “R”) of OPTIONAL WALL SWITCH - GWMS2 the thermostat base (see Figure 43).
  • Page 23: Operating Fireplace

    OPERATING FIREPLACE (THERMOSTAT-CONTROLLED MODELS) For Your Safety Read Before Lighting Lighting Instructions OPERATING FIREPLACE 4. Wait five (5) minutes to clear out any gas. Then smell for THERMOSTAT-CONTROLLED MODELS gas, including near the floor. If you smell gas, STOP! Fol- low “B”...
  • Page 24: Thermostat Control

    OPERATING FIREPLACE (THERMOSTAT-CONTROLLED MODELS) To Turn Gas Off To Appliance Thermostat Control Operation Manual Lighting Procedure Operating Blower OPERATING FIREPLACE (REMOTE-READY MODELS) For Your Safety Read Before Lighting OPERATING FIREPLACE Continued AUTO/OFF/ON Switch TO TURN OFF GAS TO APPLIANCE Shutting Off Fireplace 1.
  • Page 25: Manual Lighting

    OPERATING FIREPLACE (REMOTE-READY MODELS) Lighting Instructions To Turn Off Gas To Appliance Manual Lighting Procedure OPERATING FIREPLACE Continued 8. Keep control knob pressed in for 30 seconds after lighting LIGHTING pilot. After 30 seconds, release control knob. INSTRUCTIONS • If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs.
  • Page 26 OPERATING FIREPLACE (REMOTE-READY MODELS) Optional Hand-Held Remote Operation OPERATING FIREPLACE Continued THERMOSTAT SERIES (MODEL GHRCTB) OPTIONAL HAND-HELD REMOTE OPERATION The hand-held remote can be operated using either the manual mode (MANU) or thermostatic mode (AUTO) (see Figure 54). Note: All remote control accessories must be purchased sepa- To select Fahrenheit/Centigrade mode display, carefully press rately (see Accessories, pages 38 and 39).
  • Page 27 OPERATING FIREPLACE (REMOTE-READY MODELS) Optional Hand-Held Remote Operation (Cont.) GWMT1 Wall Mounted Thermostat (Optional) GWMS2 Wall Mounted Switch (Optional) Operating Blower OPERATING FIREPLACE Continued Safety Features OPERATING BLOWER When away from home for an extended period of time or as a child safety feature to prevent accidental ignition of the fire- This blower has three settings: ON, OFF, and AUTO.
  • Page 28: Inspecting Burners

    INSPECTING BURNERS Pilot Flame Pattern Burner Flame Pattern INSPECTING BURNERS BURNER FLAME PATTERN Check pilot flame pattern and burner flame patterns often. Figure 58 shows a correct burner flame pattern. Figure 59 shows an PILOT FLAME PATTERN incorrect burner flame pattern. The incorrect burner flame pattern Figure 56 shows a correct pilot flame pattern.
  • Page 29: Cleaning And Maintenance

    CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole Log Set Cabinet WIRING DIAGRAM CLEANING AND MAINTENANCE Injector Holder WARNING: Turn off fireplace and let cool before cleaning. Ports/Slots CAUTION: You must keep control areas, burner, Burner and circulating air passageways of fireplace clean.
  • Page 30: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Note: For additional help, visit DESA WARNING: Turn off and unplug CAUTION: Never use a wire, Heating Products’ technical service web fireplace and let cool before servic- needle, or similar object to clean site at www.desatech.com. ing. Only a qualified service person ODS/pilot.
  • Page 31 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Inlet gas pressure is too low 1. Contact local natural or propane/LP gas company 2. Burner orifice is clogged 2. Clean burner (see Cleaning and Mainte- nance, page 29) or replace burner orifice 3.
  • Page 32 TROUBLESHOOTING TROUBLESHOOTING Continued 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 from a neighbor’s phone. Follow the gas supplier’s instructions.
  • Page 33: Specifications

    SPECIFICATIONS REPLACEMENT PARTS SERVICE HINTS TECHNICAL SERVICE SPECIFICATIONS Thermostat Models: Thermostat Models: Remote-Ready Models: Remote-Ready Models: VMH10TPB, EFS10TP VMH10TNB, EFS10TN VMH26PRA, EFS26PR, VMH26NRA, EFS26NR, FMH26PR FMH26NR Btu/Hr 10,000 10,000 14,000/26,000 14,000/26,000 Type Gas Propane/LP Gas Only Natural Gas Only Propane/LP Gas Only...
  • Page 34: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN Models VMH10TPB, VMH10TNB, EFS10TP and EFS10TN ILLUSTRATED PARTS BREAKDOWN THERMOSTAT-CONTROLLED MODELS VMH10TPB, VMH10TNB, EFS10TP and EFS10TN 12-1 For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01J...
  • Page 35 PARTS LIST Models VMH10TPB, VMH10TNB, EFS10TP and EFS10TN PARTS LIST THERMOSTAT-CONTROLLED MODELS This list contains replaceable parts PART NUMBERS used in your fireplace. When order- VMH10TPB VMH10TNB ing parts, follow the instructions listed EFS10TP EFS10TN DESCRIPTION QTY. under Replacement Parts on page 33 of this manual.
  • Page 36 ILLUSTRATED PARTS BREAKDOWN Models VMH26PRA, VMH26NRA, EFS26PR, and EFS26NR ILLUSTRATED PARTS BREAKDOWN REMOTE-READY MODELS VMH26PRA, VMH26NRA (Shown), EFS26PR, EFS26NR For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01J...
  • Page 37 PARTS LIST Models VMH26PRA, VMH26NRA, EFS26PR, and EFS26NR PARTS LIST REMOTE-READY MODELS PART NUMBERS This list contains replaceable VMH26PRA VMH26NRA parts used in your fireplace. EFS26PR EFS26NR DESCRIPTION QTY. When ordering parts, follow the 102633-02 102633-02 Outer Casing Top instructions listed under Re- 102624-02 102624-02 Outer Casing...
  • Page 38: Accessories

    ACCESSORIES ACCESSORIES NOTICE: All accessories may not be available for all fireplace models. Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA Heating Prod- ucts at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual.
  • Page 39 ACCESSORIES ACCESSORIES Continued RECEIVER AND HAND-HELD THERMOSTAT REMOTE CONTROL KIT - GHRCTB For all Remote-Ready Models. Allows the fireplace to be operated in a manually or thermostatically controlled mode. You can turn the fireplace on and off without ever leaving the comfort of your easy chair. CABINET MANTEL AND FULL HEARTH BASE GMC80F Series - Oak Finished GMC81U Series - Unfinished Birch...
  • Page 40 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01J...
  • Page 41: Owner's Registration Form

    OWNER'S REGISTRATION FORM • ACCESSORIES In order to provide better customer service for this and future purchases, we recommend that you register your product with us. You can register online at www.desatech.com. If access to our website is not available to you, please complete this Owner’s Registration Form and mail to the address on the back of this owner’s manual.
  • Page 42 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 For more information, visit www.desatech.com For more information, visit www.desatech.com TAPE 107032-01J...
  • Page 43 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01J...
  • Page 44: Warranty Information

    WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied.

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