O-TL VFF23NLM Owner's Operation And Installation Manual

Unvented (vent-free) dual burner dual fuel fireplace

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UNVENTED (VENT-FREE) DUAL BURNER DUAL FUEL

FIREPLACE OWNER'S OPERATION AND INSTALLATION

WARNING: If the information in this manual is not followed exactly, a ﬁ re or

explosion may result causing property damage, personal injury or loss of life.

— Do not store or use gasoline or other ﬂ ammable 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 ﬁ re department.

— Installation and service must be performed by a qualiﬁ ed installer, service

agency or the gas supplier.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

MANUAL

Model: VFF23NLM

Table of Contents

Summary of Contents for O-TL VFF23NLM

Page 1 UNVENTED (VENT-FREE) DUAL BURNER DUAL FUEL FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL Model: VFF23NLM WARNING: If the information in this manual is not followed exactly, a ﬁ re or explosion may result causing property damage, personal injury or loss of life.
Page 2: Table Of Contents
TABLE OF CONTENTS Safety Information ..........2 Speciﬁ cations ............18 Local Codes............4 Inspecting Burners ..........19 Product Features............5 Cleaning and Maintenance .........20 Product Identiﬁ cation ..........5 Troubleshooting..........21 Qualiﬁ ed Installing Agency........5 Replacement Parts ..........25 Unpacking.............. 5 Technical Service ..........29 Air For Combustion and Ventilation ......
Page 3 SAFETY Continued Do not place clothing or other DANGER: Carbon monoxide flammable material on or near the poisoning may lead to death! appliance. Never place any objects on the fireplace. Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the Fireplace front and screen become ﬂ...
Page 4: Local Codes
SAFETY Continued 11. Do not run ﬁ replace 5. Do not use this ﬁ replace as a wood-burning • where ﬂ ammable liquids or vapors are ﬁ replace. Use only the logs provided with used or stored. the ﬁ replace. •...
Page 5: Product Features
PRODUCT FEATURES SAFETY PILOT THERMOSTATIC HEAT CONTROL This ﬁ replace has a pilot with an Oxygen Deple- Thermostat-Controlled models have a ther- tion Sensing (ODS) safety shutoff system. The mostat sensing bulb and a control valve. The ODS/pilot is a required feature for vent-free thermostat will automatically modulate the room ﬁ...
Page 6: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION Unusually tight construction is deﬁ ned as WARNING: This fireplace shall construction where: not be installed in a room or space a. walls and ceilings exposed to the outside atmosphere have a continuous water unless the requires volume of in- vapor retarder with a rating of one perm door combustion air is provided (6 x 10-11 kg per pa-sec-m ) or less with...
Page 7 AIR FOR COMBUSTION AND VENTILATION Continued Example: Space size 16 ft. (length) x 14 ft. If the actual Btu/Hr used is less than the maxi- (width) x 8 ft. (ceiling height) = 1792 cu. ft. mum Btu/Hr the space can support, the space (volume of space) is an unconﬁ...
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 perma- nent openings: one within 12” ( 0.5 cm) of the ceiling and one within 12” ( 0.5 cm) of the ﬂ...
Page 9 INSTALLATION Continued Note: When installing ﬁ replace directly on WARNING: Always have carpeting, tile or other combustible material, hood in place before operating other than wood ﬂ ooring, the ﬁ replace shall be fireplace. This prevents excessive installed on a metal or wood panel extending temperatures on fireplace surfaces.
Page 10 INSTALLATION Continued 1. ManteI must be installed ﬂ ush with wall WARNING: Do not allow any Base board must be altered or removed combustible or noncombustible for mantel installation. 2. Place hearth base against wall at instaI- materials to overlap the ﬁ rebox front lation Iocation.
Page 11 INSTALLATION Continued Changing from Propane/LP Gas to 6. Remove set screw from selector valve Operation on Natural Gas linkage (see Figure 10, page 12). Carefully remove logs. Loosen the 3 screws 7. Slightly press selector plate and rotate on the top of the ﬁ rebox back. (See Figure linkage clockwise until it stops.
Page 12 INSTALLATION Continued Changing from Natural Gas to 5. Turn it over (See Figure 9-7) and reinstall it on the cap (See Figure 9-8). Make sure the Operation on Propane/LP Gas (for white plastic screw is installed on the cap Previously Installed Log Sets) tightly.
Page 13 INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 5/8” UNF and 1/2” NPT ﬁ tting (Uniﬁ ed National Fine Thread) inlet connection and the ﬂ exible gas line provided. WARNING: A qualiﬁ ed service person must connect ﬁ replace to gas supply.
Page 14 INSTALLATION Continued We recommend that you install a sediment trap in supply line as shown in Figure 12. 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 not likely to freeze.
Page 15 INSTALLATION Continued CAUTION: Make sure external regulator has been installed between propane/LP supply and ﬁ replace. See guidelines under Connecting to Gas Supply, page 14. Figure 15 - Equipment Shutoff Valve CAUTION: For propane/LP gas, make sure external regulator has been PRESSURE TESTING FIREPLACE GAS installed between propane/LP supply CONNECTIONS...
Page 16 INSTALLATION Continued INSTALLING MANTEL 1. Remove all the foam in the ﬁ repace. 2. Insert top trim panel to the top of side panel trim. 3. Use two self-tapping screws to secure the top trim panel to mantal. 4. Use eight self-tapping screws to secure burner assembly to the mantel.
Page 17: Operating
OPERATION FOR YOUR SAFETY LIGHTING READ BEFORE LIGHTING INSTRUCTIONS WARNING: You must operate WARNING: If you do not follow this ﬁ replace with the screen in these instructions exactly, a ﬁ re place. Make sure ﬁ replace screen is or explosion may result causing installed before running ﬁ...
Page 18: Specifications
Lighting Instructions, page 17. PILOT position. CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve. Figure 21 - Pilot SPECIFICATIONS Model VFF23NLM Gas Type Natural Propane/LP Input 10,000Btu/Hr 10,000Btu/Hr Manifold Pressure 4.5"...
Page 19: Inspecting Burners
INSPECTING BURNERS Check pilot flame pattern and burner flame Note: The pilot flame on natural gas units will patterns often. have a slight curve, but flame should be blue PILOT FLAME PATTERN and have no yellow or orange color. Figure 22 shows a correct pilot flame pattern. Figure 23 shows an incorrect pilot flame pat- BURNER FLAME PATTERN tern.
Page 20: Cleaning And Maintenance
CLEANING AND MAINTENANCE particles of dust, dirt, lint or pet hair with WARNING: Turn off fireplace a soft cloth or vacuum cleaner nozzle. and let cool before cleaning. 5. Blow air into the primary air holes on the injector holder. 6.
Page 21: Troubleshooting
TROUBLESHOOTING WARNING: Turn off and unplug fireplace and let cool before servicing. Only a qualified service person should service and repair fireplace. 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. REMEDY POSSIBLE CAUSE OBSERVED PROBLEM...
Page 22 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY 1. Control knob not fully 1. Press in control knob fully ODS/pilot lights but flame pressed in 2. After ODS/pilot lights, keep goes out when control knob 2. Control knob not pressed control knob pressed in 30 is released in long enough seconds...
Page 23 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY 1. Residues from manufac- 1. Problem will stop after a few Slight smoke or odor during turing processes and log hours of operation initial operation curing 2. Check burner for dirt and 2. Not enough air debris.
Page 24 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 25: Replacement Parts
Replacement Parts FIREBOX Model VFF23NLM...
Page 26 Replacement Parts FIREBOX Model VFF23NLM This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. Part Description Part NO. Qty. Top Trim Panel FCHD2309001 Fireplace Wrapper...
Page 27 Replacement Parts BURNER ASSEMBLY Model VFF23NLM...
Page 28 Replacement Parts BURNER ASSEMBLY Model VFF23NLM Part Description Part NO. Qty. Burner FCHD2309017 Pilot Shield FCHD2309018 Dual Fuel ODS FCSHBF09006 Air Control Plate FCHD2309019 Injector Assembly FCHD2309020 Selection Valve FCHD2309021 Dual Fuel Linkage FCHD2309022 Selection Valve Plate FCHD2309023 Selection Valve Bracket...
Page 29: Technical Service
REPLACEMENT PARTS SERVICE HINTS Note: Use only original replacement parts. When Gas Pressure Is Too Low This will protect your warranty coverage for • pilot will not stay lit parts replaced under warranty. • burner will have delayed ignition • fireplace will not produce specified heat •...
Page 30 LIMITED WARRANTY Sure Heat Mfg warrants that the components of this appliance are warranted free from defects in material and workmanship for one (1) year from the date of purchase. Sure Heat Mfg. at its option, will repair or replace this product or any component of the product found to be defective during the warranty period.