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VENT-FREE FIREPLACE SYSTEMS
INSTALLATION AND OPERATING INSTRUCTIONS
MODELS:
DFS3224A
DFS32A
DFS36A
DFS42A
Manual, Milli-Volt,
Hi/Lo Remote Control
This is an unvented gas-fired
heater. It uses air (oxygen) from
the room in which it is installed.
Provisions for adequate combustion
and ventilation air must be provided.
Refer to page 10.
If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
– Do not store or use gasoline or other fl ammable
– WHAT TO DO IF YOU SMELL GAS
– Installation and service must be performed by
READ AND SAVE THESE INSTRUCTIONS
WARNINGS
WARNINGS
WARNINGS
WARNINGS
vapors and liquids in the vicinity of this or any
other appliance.
• 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.
a qualifi ed installer, service agency or the gas
supplier.
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Related Manuals for Vermont Castings DFS3224A
Summary of Contents for Vermont Castings DFS3224A
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Page 1: Installation And Operating Instructions
VENT-FREE FIREPLACE SYSTEMS INSTALLATION AND OPERATING INSTRUCTIONS MODELS: DFS3224A DFS32A DFS36A DFS42A Manual, Milli-Volt, Hi/Lo Remote Control WARNINGS WARNINGS WARNINGS WARNINGS If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. -
Page 2: Table Of Contents
CONTENTS Important Safety Information ........ 3 Electrical Wiring (Milli-Volt) ........20 Product Features ............. 5 Connecting Optional Wall Switch or Thermostat . 20 Operation .............. 5 Connecting Remote Receiver ......Connecting Remote Receiver ......Connecting Remote Receiver Specifi cations ............7 Checking System Operation ....... -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the owner. Please retain these instructions for future reference. IMPORTANT Read these instructions carefully before installing or trying to operate this vent-free gas heater. • Any change to this heater or its controls can be dangerous. •... -
Page 4: This Appliance Is Only For
IMPORTANT SAFETY INFORMATION Continued from page 3 17. Unvented gas heaters are a supplemental zone heater. 24. Never burn solid fuels in a fi replace where a unvented They are not intended to be the primary heating room heater is installed. appliance. -
Page 5: Product Features
PRODUCT FEATURES Screen Control Knobs On/Off Switch Piezo Optional T-Stat Sensor Figure 1 - Unvented Gas Heater with Control Access Door Open This vent-free fi replace must be mounted on the fl oor or on the optional fi replace hearth. OPERATION This unvented gas heater requires no outside venting and burns cleanly with high heating effi... - Page 6 PRODUCT FEATURES NATURAL GAS Manual Pressure Milli-Volt and T-Stat Pressure Hi/Lo Pressure Regulator Pressure: Setting: 3.0" w.c. Regulator Pressure Setting: 3.5" w.c. Regulator Pressure Setting: 3.5" w.c. Pilot Regulator: 3.5" w.c. Pilot Regulator: 3.5" w.c. Gas Inlet Pressure: Max. 10 1/2" w. c. Gas Inlet Pressure: Max.
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Page 7: Specifi Cations
SPECIFICATIONS IGNITION CONTROLS Piezo ignitor allows ignition of the pilot without the use of matches or batteries. Manual control has three (3) positions: - All gas to the gas logs is shut off at the valve. - Valve position to light/maintain a standing pilot. - Variable position corresponding to desired fl... -
Page 8: Getting Started
GETTING STARTED MAKE SURE YOU HAVE RECEIVED ALL PARTS: Check your packing list to verify that all listed parts have been received. You should have the following: • Unvented gas log grate/burner assembly • Installation/operating instructions • Ceramic fi ber logs •... -
Page 9: General Installation Information
3. Field wire main power supply to units with fan kit. 6. Complete fi nish wall material and/or surround. Refer to the “Electrical Section” found in this manual. (Electrical connections should only be performed by an experienced, licensed certifi ed tradesman). DFS32A DFS3224A DFS36 DFS42 37" 41" 47"... -
Page 10: Codes
GENERAL INSTALLATION INFORMATION CODES Adhere to all local codes or, in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223.1 or NFPA54 which can be obtained from… American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. - Page 11 GENERAL INSTALLATION INFORMATION Counter Counter Fireplace Fireplace Figure 3 - Example of a Large Room with 1/2 Wall Divider The following formula can be used to determine the maximum heater rating per the defi nition of unconfi ned space: BTU/Hr = (L BTU/Hr = (L ) Ft x (W) Ft x (H) Ft ) Ft x (W) Ft x (H) Ft...
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Page 12: Removing Screen
GENERAL INSTALLATION INFORMATION REMOVING SCREEN Remove fi replace screen frame panel by pushing screen frame panel up and out. See Figure 4. Do not operate the unit without the screen frame panel and canopy installed. Canopy Fireplace Screen Figure 4 - Removing Fireplace Screen Frame Panel NOTE: Fireplace screen must be removed to access log box and to install canopy. -
Page 13: Securing Heater To Floor Or Hearth
GENERAL INSTALLATION INFORMATION SECURING HEATER TO FLOOR OR HEARTH Screws Note: Clearance requirements as detailed in “Clearances and Height Requirements” section of this manual, must be met before securing the heater in place. To prevent movement, the heater must be secured to the fl... -
Page 14: Location Of Fireplace
LOCATION OF FIREPLACE Carefully select the best location for installation of your unvented fi replace. The following factors should be taken into consideration. • Clearance to side wall, ceiling, woodwork and window or other combustibles. Refer to “Clearances and Height Requirements”... -
Page 15: Clearances And Height Requirements
CLEARANCES HEIGHT REQUIREMENTS The dimensions shown in Figures 9 and 10 and defi ned in the fi replace manufacturer's instructions are minimum clearances to maintain when installing this heater. Left and right clearances are determined when facing the front of the heater. Follow these instructions carefully to ensure safe installation. -
Page 16: Fireplace Framing
Be sure fi replace rests on a solid continuous fl oor or platform with appropriate framing for support and so that no cold air can enter from under the fi rebox. Anchor fi replace to the side framing members using optional nailing fl ange kit. See installation instructions included with the kit. DFS3224A DFS3224A DFS3224A DFS36A... -
Page 17: Clearances And Height Requirements
fi replace with trim installed is as follows: DFS32A/DFS3224A with trim DFS36A with trim DFS42A with trim DFS32A/DFS3224A with trim DFS36A with trim DFS42A with trim DFS32A/DFS3224A with trim DFS36A with trim DFS42A with trim... -
Page 18: Connecting The Gas
CONNECTING THE GAS NOTICE: A qualifi ed gas appliance installer must connect the heater to the gas supply. Consult all local codes. Use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfi de limits, and where permitted by local codes. -
Page 19: Checking Gas Pressure
CHECKING GAS PRESSURE Connecting directly to an unregulated propane/LPG tank can cause an explosion. When tightening up the joint to the valve, hold the valve securely to prevent movement. Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after completing connection. -
Page 20: Electrical Wiring (Milli-Volt)
ELECTRICAL WIRING (MILLI-VOLT) The milli-volt valve is a self-powered combination gas control THAT DOES NOT REQUIRE 110 VAC TO OPERATE. Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. Pilot Pilot On/Off... -
Page 21: Connecting Remote Receiver
ELECTRICAL WIRING (MILLI-VOLT) CONNECTING REMOTE RECEIVER Remote THESE INSTRUCTIONS SUPERCEDE THE SECTION Receiver ENTITLED “HEARTH MOUNT” IN THE MILLI-VOLT HAND-HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE. 1. Remove cover on control panel to show opening for remote receiver. See Figure 22. 2. -
Page 22: Log Placement
Log #6 (See Figures 23 and 24) Log #4 Log #4 NOTE: Model DFS32A has 4 logs and Models DFS3224A, DFS36A and DFS42A has 5 logs. Log #5 1. Install back log (#1) on two pins (24 & 30 Log #1 located near the back of base. -
Page 23: Flame Appearance
FLAME APPEARANCE Flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed. In addition, periodically check the fl ames visually during operation. CHECKING THE PILOT FLAME The pilot fl ame must always be present when the heater is in operation. It should just touch the top of the thermocouple tip for natural. -
Page 24: Checking The Burner Flame
CHECKING THE BURNER FLAME In normal operation at full rate after 15 minutes, the following fl ame appearances should be observed: Glowing Embers Figure 29 - Correct Appearance of Rear Flames The left and right rear fl ames should be yellow and extend 1"-2" above the log top surfaces. The yellow fl ames should not contact the logs. -
Page 25: For Your Safety Read Before Lighting
OPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instruction exactly, a fi re or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the unit by hand. -
Page 26: Manual Control Lighting Instructions
OPERATING INSTRUCTIONS MANUAL CONTROL LIGHTING INSTRUCTIONS STOP! Read the safety information. Make sure the manual shutoff valve is fully open. This heater is equipped with an ignition device (piezo) which automatically lights the pilot. See Figure 30, page 25 for the location of the piezo ignitor and control knob. Push in gas control knob slightly and turn control knob clockwise to the OFF position. -
Page 27: Hi/Lo Control Lighting Instructions
OPERATING INSTRUCTIONS HI/LO CONTROL LIGHTING INSTRUCTIONS HI/LO CONTROL LIGHTING INSTRUCTIONS STOP! Read the safety information. Make sure the manual shutoff valve is fully open. This heater is equipped with an ignition device (piezo) which automatically lights the pilot. See Figure 34 for the location of the piezo ignitor and control knob. Push in gas control knob slightly and turn control knob clockwise to the OFF position. -
Page 28: Milli-Volt Control Lighting Instructions
OPERATING INSTRUCTIONS MILLI-VOLT/THERMOSTAT CONTROL LIGHTING INSTRUCTIONS 1. STOP! Read the safety information label. 2. Make sure the manual shutoff valve is fully open. 3. This gas log set is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo ignitor does not light the pilot, refer to instructions for “Match Lighting Instructions”, page 29. -
Page 29: Match Lighting Instructions
OPERATING INSTRUCTIONS CLEANING AND SERVICING MATCH LIGHTING INSTRUCTIONS 1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 2. -
Page 30: Blower And Other Optional Equipment
BLOWER AND OTHER OPTIONAL EQUIPMENT OPTIONAL EQUIPMENT FORCED AIR KIT If you are installing the forced air kit, Model BLOT, see the installation instructions provided with the kit for electrical wiring requirements, or the blower installation section. The fi rebox must be connected to main power supply at time of fi... -
Page 31: Illustrated Parts Breakdown
ILLUSTRATED PARTS BREAKDOWN REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. LOGS Item Item Item Item Item Item Description Description Description Description Description Description DFS32 DFS32 DFS32 DFS32 DFS32 DFS32 DFS3224 DFS3224 DFS3224 DFS3224 DFS3224 DFS3224 DFS42 DFS42 DFS42 DFS42 DFS42 DFS42 DFS36 DFS36... - Page 32 ILLUSTRATED PARTS BREAKDOWN Failure to position the parts in accordance with these diagrams or failure to use only parts specifi cally approved with this heater may result in property damage or personal injury. 26D3310...
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Page 33: Cabinet
REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. DFS32A DFS3224A DFS36A DFS42A Item Item Item Item Item Item Item Item Item Item Item Item Description Description Description Description Description Description Description Description Description Description Description Description Natural Natural... - Page 34 ILLUSTRATED PARTS BREAKDOWN Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury. 26D3310...
- Page 35 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. DFS32A DFS32A DFS32A DFS32A DFS32A DFS3224A DFS3224A DFS3224A DFS3224A DFS3224A DFS36A DFS36A DFS36A DFS36A DFS36A DFS42A DFS42A DFS42A DFS42A DFS42A Item Item Item Description Description Description Standard Features Canopy Canopy...
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Page 36: Heater
TROUBLESHOOTING Turn appliance OFF and allow to cool before servicing. Only a qualified service person should service and repair the heater. Note: All troubleshooting items are listed in order of operation. REMEDY OBSERVED PROBLEM POSSIBLE CAUSE 1 Replace ignitor. When ignitor button is pressed, 1. - Page 37 TROUBLESHOOTING If the gas quality is bad, your pilot may not stay lit, the burners may produce soot and the heater may backfi re when lit. If the gas quality or pressure is low, contact your local gas supplier immediately. REMEDY OBSERVED PROBLEM POSSIBLE CAUSE...
- Page 38 NOTES 26D3310...
- Page 39 NOTES 26D3310...
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Page 40: Warranty
MONESSEN HEARTH SYSTEMS LIMITED LIFETIME WARRANTY POLICY The following components are warranted for life to the original owner, subject of proof of purchase: Firebox, Combustion Chamber, Heat Exchanger, Grate, and Stainless Steel Burners. FIVE YEAR WARRANTY The following components are warranted for 5 years to the original owner, subject of proof of purchase: Vent Free Ceramic Fiber Logs, Catalytic Filter and Aluminized Burners.
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