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UNVENTED (VENT-FREE) GAS FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
Shown with optional cabinet mantel, hearth base and trim accessories.
EFS33NR, EFS33NRA, EFS33PR, EFS33PRA
VSGF33NR, VSGF33NRA, VSGF33PR, VSGF33PRA
REMOTE-READY FIREPLACE SYSTEM
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.
For more information, visit www.desatech.com
Save this manual for future reference.
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Table of Contents
Related Manuals for Desa EFS33NRA
Summary of Contents for Desa EFS33NRA
- Page 1 UNVENTED (VENT-FREE) GAS FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL Shown with optional cabinet mantel, hearth base and trim accessories. EFS33NR, EFS33NRA, EFS33PR, EFS33PRA VSGF33NR, VSGF33NRA, VSGF33PR, VSGF33PRA REMOTE-READY FIREPLACE SYSTEM WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing...
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Page 2: Table Of Contents
WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency or the gas supplier. WARNING: This is an unvented gas-fired heater. -
Page 3: Safety Information
SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, op- erate or service this fireplace. Improper use of this fireplace can cause serious injury or death from burns, fire, explo-... -
Page 4: Product Identification
SAFETY INFORMATION Continued 1. 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. 2. Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank(s) outdoors (propane/LP units only). -
Page 5: Local Codes
LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the lat- est edition of The National Fuel Gas Code ANSI Z223.1/NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. -
Page 6: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight con- struction unless provisions are provided for adequate combus- tion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. -
Page 7: Combustion And Ventilation Air
AIR FOR COMBUSTION AND VENTILATION Continued Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2,560 cu. ft. (volume of space) If additional ventilation to adjoining room is supplied with grills or openings, add the volume of these rooms to the total volume of the space. -
Page 8: Installation
AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the outdoors or spaces open to the outdoors. - Page 9 INSTALLATION Continued WARNING: This appliance is equipped for (natural or pro- pane/LP) gas. Field conversion is not permitted. ELECTRICAL HOOKUP (Models GA3700 Series and GA3700T Series Blower Accessories and GA3555 Internal Duplex Kit) This fireplace accepts a blower assembly with an electrical cord.
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Page 10: Installation Clearances
INSTALLATION Continued INSTALLATION CLEARANCES WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling and adjoining wall. Carefully follow the instructions below. This will ensure safe installation. Minimum Clearances For Side Combustible Material, Side Wall and Ceiling A. - Page 11 INSTALLATION Continued 5. Route flexible gas line through access hole in hearth base. 6. Center cabinet mantel on hearth base (see Figure 10). Make sure mantel is flush against wall. 7. Break off nailing flanges (see Figure 11) with hammer or pliers. 8.
- Page 12 INSTALLATION Continued 1. Frame in rough opening. Use dimensions shown in Figure 13 for the rough opening. If installing in a corner, use dimensions shown in Figure 14 for the rough opening. The height is 33" which is the same as the wall opening above.
- Page 13 INSTALLATION Continued Note: All vertical measurements 10" are from top 8" of fireplace 6" opening to " bottom of mantel shelf. Minimum Non- Combustible Material Figure 16 - Minimum Mantel Clearances for Built-In Installation INSTALLING GAS PIPING TO FIREPLACE LOCATION WARNING: This appliance requires a 1/2"...
- Page 14 INSTALLATION Continued Installation must include an 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 18). IMPORTANT: Install equipment shutoff valve in an accessible location.
- Page 15 INSTALLATION Continued NOTICE: Most building codes do not permit concealed gas connections. A flexible gas line is provided to allow accessibility from the fireplace (see Figure 20). The flexible gas supply line con- nection to the equipment shutoff valve should be accessible. 4.
- Page 16 INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Figure 21). 2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air.
- Page 17 INSTALLATION Continued 1. Place front log on top of the grate. Make sure the notches in the bottom of the log fit over the grate prongs (see Figure 24). Push back of log flush with metal grate bar. 2. Rest middle log behind metal posts on front burner.
- Page 18 INSTALLATION Continued INSTALLING LOGS (MODELS EFS33NRA, EFS33PRA, VSGF33NRA AND VSGF33PRA) WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.
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Page 19: Operating Fireplace
OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. - Page 20 OPERATING FIREPLACE Continued 7. With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the front burner. If needed, keep pressing ignitor button until pilot lights. Note: If pilot does not stay lit, contact a qualified service person or gas supplier for repairs.
- Page 21 Flame Adjustment Knob REMOTE Selector Switch in Remote Position (Optional Hand- Held Remote Control) Figure 35 - Setting the Selector Switch, Control Knob and Flame Adjustment Knob for Hand-Held Remote Operation 107172-01K www.desatech.com...
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Page 22: Inspecting Burners
OPERATING FIREPLACE Continued 2. The receiver continuously receives signals from the hand-held remote to control the room temperature. If the hand-held remote is misplaced, obstructed or for any reason cannot transmit to the receiver, the receiver will shut off the fireplace after 8 minutes. Key Pad Lock Feature This feature allows the user to lock/unlock the keypad on the hand-held remote in the... -
Page 23: Cleaning And Maintenance
INSPECTING BURNERS Continued FRONT BURNER FLAME PATTERN WARNING: If front burner flame pattern shows yellow tip- ping, your fireplace could pro- duce increased levels of carbon monoxide. Follow instructions below. Yellow flame on rear burner is normal. NOTICE: Do not mistake orange flames with yellow tipping. -
Page 24: Wiring Diagram
CLEANING AND MAINTENANCE Continued 2. Inspect burner, pilot and primary air inlet holes on injector holder for dust and dirt (see Figure 42). 3. Blow air through the ports/slots and holes in the burner. 4. Check the injector holder located at the end of the burner tube again. -
Page 25: Troubleshooting
WARNING: Turn off and unplug 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 ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot... - Page 26 OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is released Burners does not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during com- bustion Slight smoke or odor during initial operation TROUBLESHOOTING Continued POSSIBLE CAUSE...
- Page 27 OBSERVED PROBLEM Moisture/condensation noticed on windows Heater produces a whistling noise when burners are lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function (GHRCB and GHRCTB only) Yellow flame in front burner dur- ing burner combustion Fireplace produces a clicking/ ticking noise just after burner is...
- Page 28 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. Fol- low the gas supplier’s instructions.
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Page 29: Replacement Parts
If so, contact DESA Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready. You can also visit DESA Heating Productsʼ techni- cal services web site at www.desatech.com. www.desatech.com... -
Page 30: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN LOG BASE ASSEMBLY MODELS EFS33NR, EFS33NRA, VSGF33NR, VSGF33NRA, EFS33PR, EFS33PRA, VSGF33PR AND VSGF33PRA LOGS FOR "A" MODELS www.desatech.com LOGS FOR "NON-A" MODELS 107172-01K... -
Page 31: Parts List
This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. PART NUMBER KEY EFS33NR EFS33NRA VSGF33NR VSGF33NRA VSGF33PR ____ 110881-04 ____ 110881-05 ____ 110881-06 ____... - Page 32 ILLUSTRATED PARTS BREAKDOWN FIREPLACE MODELS EFS33NR, EFS33NRA, VSGF33NR, VSGF33NRA, EFS33PR, EFS33PRA, VSGF33PR AND VSGF33PRA www.desatech.com 107172-01K...
- Page 33 FIREPLACE MODELS EFS33NR, EFS33NRA, VSGF33NR, VSGF33NRA, EFS33PR, EFS33PRA, VSGF33PR AND VSGF33PRA This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. PART NUMBER 101357-01 103207-01...
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Page 34: Accessories
Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual. - Page 35 ACCESSORIES Continued CORNER HEARTH BASE G3008F Series - Walnut Finished G3009U Series - Unfinished G3010F Series - Oak Finished For all models. The corner hearth base is designed for use with the corner mantels to create a hand- some riser for the fireplace. Dimensions (WxHxD): 6"...
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Page 36: Warranty Information
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts.