Desa VFRMV24NB, VFRMV24PB - Manuals

Page 2 - Air for Combustion and Ventilation; TABLE OF CONTENTS

www.desatech.com 116412-01B 2 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,...

Page 3 - SAFETy INFORMATION; Get fresh air at once!

www.desatech.com 116412-01B 3 SAFETy INFORMATION WARNING: This product c o n t a i n s a n d / o r g e n e r a t e s chemicals known to the State of California to cause cancer or birth defects, or other reproduc - tive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying ...

Page 4 - Continued

www.desatech.com 116412-01B 4 Keep the appliance area clear and free from combustible ma - terials, gasoline and other flam - mable vapors and liquids. Solid fuels shall not be burned in a fireplace in which an unvented room heater installed. Children and adults should be alerted to the hazard of hi...

Page 5 - CAUTION: Do not remove the; Accessories; OPERATION; State of Massachusetts:

www.desatech.com 116412-01B 5 PRODUCT IDENTIFICATION Figure 1 - Product Identification Log Set Chassis Assembly LOCAL CODES Install and use the heater with care. Follow all local codes. In the absence of local codes, use the latest edition of the National Fuel Gas Code ANSI Z223.1/NFPA 54* *Availabl...

Page 6 - WARNING: This heater shall; National Fuel; as construction where:; DETERMINING FRESH-AIR FLOW

www.desatech.com 116412-01B 6 AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in 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 ...

Page 7 - WARNING: If the area in which; National Fuel Gas Code,; VENTILATION AIR; Ventilation Air From Inside Building; National

www.desatech.com 116412-01B 1. Determine the volume of the space (length x width x height). Length x Width x Height = _________cu. ft. (volume of space) Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space) If additional ventilation to adjoini...

Page 8 - Ventilation Air From Outdoors; Section 5.3, Air for Combustion and Ventilation; AIR FOR COMBUSTION; Figure 3 - Ventilation Air from Outdoors; INSTALLATION

www.desatech.com 116412-01B 8 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...

Page 9 - CHECK GAS TYPE; INSTALLATION AND CLEARANCES; MINIMUM FIREPLACE CLEARANCE TO; SIDE WALL

www.desatech.com 116412-01B 9 WARNING: Seal any fresh air vents or ash clean-out doors located on floor or wall of fire - place. If not, drafting may cause pilot outage or sooting. Use a heat-resistant sealant. Do not seal chimney flue damper. WARNING: Never install the heater • in a bedroom or bath...

Page 10 - always run heater with chimney; Installing Damper Clamp Ac-; tel; Figure 4 - Minimum Clearance for; Installing Damper Clamp

www.desatech.com 116412-01B 10 NOTICE: Non thermostat con - trolled heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open and damper clamp installed. If running heater with damper open, noncombus - tible material above the fireplace opening is not n...

Page 11 - MANTEL CLEARANCES; Determining Minimum Mantel Clearance; FLOOR CLEARANCES

www.desatech.com 116412-01B 11 MANTEL CLEARANCES In addition to meeting noncombustible material clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clearances listed below, you will need a hood. Determining Minimum Mantel Clearance If...

Page 12 - Figure 10 - Attaching Damper Clamp; Damper; Manufactured; Valve Bracket; INSTALLING HEATER ASSEMBLY

www.desatech.com 116412-01B 12 INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented decorative, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. If your heater is a ...

Page 13 - CONNECTING TO GAS SUPPLY; Figure 13 - External Regulator With Vent; WARNING: Never connect; Installation Items Needed

www.desatech.com 116412-01B 13 INSTALLATION Continued CAUTION: Do not pick up heater assembly by logs. This could damage unit. Only handle assembly by grates. IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. Installation Items Needed • control...

Page 14 - CHECKING GAS CONNECTIONS; WARNING: Never use an; Connecting to Gas; PRESSURE TESTING GAS SUPPLY; Natural; CSA Design-Certified

www.desatech.com 116412-01B 14 INSTALLATION Continued We recommend that you install a sediment trap in supply line as shown in Figure 14. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap where trapped matter is ...

Page 15 - Figure 15 - Equipment Shutoff Valve; PRESSURE TESTING HEATER GAS; Operating Heater

www.desatech.com 116412-01B 15 PIPING SYSTEMTest Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator. 2. Cap off ope...

Page 16 - OPERATING HEATER; FOR YOUR SAFETY; low these instructions exactly,; LIGHTING; WARNING

www.desatech.com 116412-01B 16 OPERATING HEATER 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. Wh...

Page 17 - Manual Lighting Procedure; Figure 18 - Control Knob and Ignitor; selector switch is in the OFF; TO TURN OFF GAS; Shutting Off Heater; Piezo Ignitor

www.desatech.com 116412-01B 1 4. Press in and turn control knob clockwise to the OFF position (see Figure 18). WARNING: Burners will come on automatically within one minute when the switch is in the ON position after the pilot is lit. 5. Wait five (5) minutes to clear out any gas. Then smell for gas...

Page 18 - MANUAL LIGHTING; REMOTE OPERATION; NOTICE: You must light the pilot; Lighting; Figure 20 - Setting the Selector Switch,; To Lock; THERMOSTAT SERIES (MODEL; Manual Mode; Control Knob

www.desatech.com 116412-01B 18 OPERATING HEATER Continued MANUAL LIGHTING PROCEDURE 1. Follow steps 1 through 6 under Lighting Instructions , page 16. 2. Depress control knob and light pilot with match. 3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release co...

Page 19 - Key Pad Lock Feature; INSPECTING BURNERS; PILOT FLAME PATTERN; To Turn Off Gas to Appli-; Figure 24 - Incorrect Pilot Flame Pattern; Pilot Burner

www.desatech.com 116412-01B 19 Figure 22 - Thermostat Hand-Held Remote Control Unit (HRC200) 4. Press the POWER and LOCK buttons together to turn off the fireplace. Note: Do not leave the hand-held remote in the AUTO mode close to the fireplace. The radiant heat from the fireplace will turn off the ...

Page 20 - BURNER FLAME PATTERN; CLEANING AND; WARNING: Turn off heater; BURNER INjECTOR HOLDER AND

www.desatech.com 116412-01B 20 INSPECTING BURNERS Continued BURNER FLAME PATTERN Figure 25 shows correct burner flame pattern. NOTICE: Do not mistake orange flames with yellow tipping. Dirt or other fine particles are burned by heater, causing brief patches of orange flame. If burner flame pattern i...

Page 21 - Figure 28 - Pilot Inlet Air Hole (Your pilot; WIRING DIAGRAM; Figure 29 - Access to Pilot Air Inlet Hole; TECHNICAL SERVICE

www.desatech.com 116412-01B 21 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 opening on injector holder for dust and dirt (see Figure 27). 3. Blow air through the ports/slots and holes in the burner. 4. C...

Page 22 - TROUBLESHOOTING; WARNING: Turn off and unplug heater and let cool before servicing.; POSSIBLE CAUSE; Cleaning; OBSERVED PROBLEM

www.desatech.com 116412-01B 22 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 troubl...

Page 25 - IMPORTANT; REMEDY

www.desatech.com 116412-01B 25 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. •...

Page 26 - PARTS UNDER WARRANTY; For all models; SERVICE HINTS; When Gas Pressure Is Too Low; ACCESSORIES

www.desatech.com 116412-01B 26 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), c...

Page 27 - FIREBOXES

www.desatech.com 116412-01B 2 FIREPLACE HOOD Black - GA6050Brass - GA6052Antique Brass - GA6053 For all models. Helps deflect heat away from mantel or wall above fireplace. Fits openings 28" to 48" wide. RECEIVER AND HAND-HELD REMOTE CONTROL KIT - HRC100 For all models. Allows the gas log he...

Page 28 - ILLUSTRATED PARTS BREAkDOWN; Shown

www.desatech.com 116412-01B 28 ILLUSTRATED PARTS BREAkDOWN MODELS VFRMV18NB, VFRMV18PB, VFRMV24NB ( Shown ) AND VFRMV24PB 1 4 5 3a 3b 6 9 11 2 12 13 16 18 8 19 22 7 10 20 17 14 15

Page 29 - PARTS LIST; listed under; Grate Assembly; Lava Rock

www.desatech.com 116412-01B 29 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. KEY NO. PART NO. DESCRIPTION QTY. 1 ** Grate Assembly • • • • 1 2 111800-01 Screw • • • • 1 3a 11...

Page 30 - NOTES

www.desatech.com 116412-01B 30 _____________________________________________________ _______________________________________________________________________________________________________________________________________________________________________________________________________________________...

Page 32 - NOT A UPC; WARRANTy INFORMATION; kEEP THIS WARRANTy; Model

169 E. Lawrence St.Russellville, AL 35653www.desatech.com NOT A UPC WARRANTy INFORMATION kEEP THIS WARRANTy 116412-01Rev. B10/05 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 warrant...