Table of Contents
Advertisement
UNVENTED GAS LOG HEATER OR
VENTED DECORATIVE APPLIANCE
INSTALLATION AND OPERATING INSTRUCTIONS
MODELS
DLX18
DLX24
DLX28
Natural Gas or Propane/LPG
Control Type:
Manual, Thermostat or Milli-Volt
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.
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. See
page 7.
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 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
• Immediately call your gas supplier from a neighbor's
• If you cannot reach your gas supplier, call the fire
–
Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
READ AND SAVE THESE INSTRUCTIONS
WARNINGS
phone in your building.
phone. Follow the gas supplier's instructions.
department.
Advertisement
Table of Contents
Related Manuals for Monessen Hearth DLX18
Summary of Contents for Monessen Hearth DLX18
-
Page 1: Installation And Operating Instructions
UNVENTED GAS LOG HEATER OR VENTED DECORATIVE APPLIANCE INSTALLATION AND OPERATING INSTRUCTIONS MODELS DLX18 DLX24 DLX28 Natural Gas or Propane/LPG Control Type: Manual, Thermostat or Milli-Volt 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 Electrical Wiring (Milli-volt) ......21 Important Safety Information ......3 Log Placement ..........23 Getting Started ..........5 Flame Appearance ......... 24 Product Features and Specifications ..... 6 Checking the Burner Flame ......25 General Installation Information ....7 Operating Instructions ........ -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the appliance. 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 IMPORTANT SAFETY INFORMATION Continued from page 3 16. Keep room area clear and free from combustible materials, 22. Do not use this room heater if any part has been under water. Immediately call a qualified service technician to gasoline and other flammable vapors and liquids. inspect the room heater and to replace any part of the 17.
-
Page 5: 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 fiber logs. •... -
Page 6: Product Features And Specifications
PRODUCT FEATURES SPECIFICATIONS NATURAL GAS Note: An external regulator is required to reduce supply pressure to a maximum of 10 W.C. (11" W.C. for HI/LO) on natural gas systems operating at higher pressure. MANUAL / T-STAT PRESSURE MILLIVOLT PRESSURE Regulator Pressure Setting: 3"... -
Page 7: General Installation Information
GENERAL INSTALLATION INFORMATION Thermostat control has three (3) positions: OFF - All gas to the gas logs is shut off at the valve. IGN - Valve position to light/maintain a standing pilot. LOW/HI - Variable position corresponding to desired temperature. Both front and rear burners are in operation to provide realistic glow and yellow flame. - Page 8 GENERAL INSTALLATION INFORMATION Counter Fireplace � � Figure 1 - Example of a Large Room with 1/2 Wall Divider The following formula can be used to determine the maximum heater rating per the definition of unconfined space: BTU/HR = (L ) Ft x (W) Ft x (H) Ft x 1000 Consider two connecting rooms with an open area between, with the following dimensions:...
-
Page 9: Fireplace And Hearth Dimensions
Unvented Room Heaters per ANSI Z21.91(typically referred to as a "Universal Firebox"), as long as firebox hearth dimen- sions meet the minimum hearth dimensions shown below. � � � � Model 1/ 2 DLX18 " " 27" 17" 1/ 2 DLX24 "... -
Page 10: Placement In A Fireplace With A Restrictive Barrier
PLACEMENT IN A FIREPLACE WITH A RESTRICTIVE BARRIER IMPORTANT INFORMATION FOR THE INSTALLATION OF THIS GAS LOG SET The following are guidelines for placing a gas log set in a fireplace that has a restrictive barrier along the bottom front open- ing of the fireplace. -
Page 11: Clearances And Height Requirements
CLEARANCES HEIGHT REQUIREMENTS The dimensions shown in Figures 4 through 12 and defined in the fireplace 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. When heater is installed into a ventless firebox, minimum clearances, as specified by the ventless firebox manufacturer, must be met. - Page 12 See Installing Vented Applications found on page 17. Figure 5 - Measuring Heat Resistant Material HEAT RESISTANT REQUIREMENTS FOR SAFE INSTALLATION MATERIAL MEASUREMENT DLX18 DLX24 AND DLX28 All Models All Models 12" or more Hood not required. Hood not required.
- Page 13 HEAT RESISTANT REQUIREMENTS FOR SAFE INSTALLATION WITH WOODEN MANTEL, MATERIAL SHELF OR OTHER COMBUSTIBLE PROJECTION MEASUREMENT DLX18 DLX24 AND DLX28 12" or more Hood not required. Observe profiles (side Hood not required. Observe profile (side elevations) shown in Figure 7, page14.
- Page 14 " at a minimum of 14" above the opening. The top shelf of of 2 the mantel may project a maximum of 6" at a minimum of 20 " above the opening. Figure 7 - Minimum Mantel Clearance with No Hood — DLX18 ��� ��� �� ��...
- Page 15 CLEARANCES HEIGHT REQUIREMENTS ��� ��� ���� ��� ��� Example: The bottom of the mantel may project from the wall a maxi- mum of 10" at a minimum of 28" above the opening. Figure 9 - Minimum Mantel Clearance with No Hood — DLX24 and DLX28 ��...
-
Page 16: Floor Clearance
FLOOR CLEARANCE The gas log heater must be installed at least 5" above any combustible flooring material, such as carpeting or tile, which is closer than 14" to the base of the fireplace. See Figure 11. The gas log heater may be installed nearer to the floor if a minimum of 14" of noncombustible material such as slate or marble is installed between the base of the fireplace and the combustible flooring. -
Page 17: Fireplace Preparation
FIREPLACE PREPARATION BEFORE FULLY INSTALLING THE UNIT: Turn OFF the gas supply to the fireplace or firebox. • • Seal any fresh air vents and/or ash clean-out doors located on the floor or wall of the fireplace. If left unsealed, draft- ing may cause pilot outage or sooting. -
Page 18: Installing Vented Applications
INSTALLING VENTED APPLICATIONS The fireplace and gas logs function as a system. If the fireplace is spilling into the room (check with a match or a smoke stick), reposition the damper clamp until a positive draft is obtained by opening the damper. If negative pressure in home prevents having a positive draft, contact your dealer for assistance. -
Page 19: Connecting The Gas
CONNECTING THE GAS NOTICE: A qualified 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 sulfide limits, and where permitted by local codes. -
Page 20: Checking Gas Pressure
CHECKING GAS PRESSURE The heater gas inlet connection is a " NPT at the valve. To connect from the opposite side, route the pipe under the rear portion of the unit. Connecting directly to When tightening up the joint to the valve, hold the valve securely to prevent an unregulated propane/ movement. -
Page 21: Electrical Wiring (Milli-Volt)
ELECTRICAL WIRING (MILLI-VOLT) The milli-volt valve is a self-powered combination gas control THAT DOES NOT USE 110 VAC TO OPERATE. CAUTION Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify Pilot proper operation after servicing. - Page 22 ELECTRICAL WIRING (MILLI-VOLT) CONNECTING REMOTE RECEIVER 1. Plug in the remote connector to the remote receiver wire. 2. Connect the female connector to the valve (TPTH and TH terminal). See Figure 19, page 21. 3. Remove the hearthmount coverplate on the remote receiver. (Battery pack must be temporarily removed prior to removing the cover plate).
-
Page 23: Log Placement
LOG PLACEMENT Before you begin — This unit is supplied with a set of ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling logs, wash your hands gently with soap and water to remove any traces of fibers. -
Page 24: 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 flames visually during operation. CHECKING THE PILOT FLAME The pilot flame must always be present when the heater is in operation. It should just touch the top of the ther- mocouple tip for natural. -
Page 25: Checking The Burner Flame
CHECKING THE BURNER FLAME In normal operation at full rate after 15 minutes, the following flame appearances should be observed: The rear flames above and behind center log #4, and in front of rear log #1, may be yellow. The flames should extend approxi- mately 2"... -
Page 26: Operating Instructions
OPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instruction exactly, a fire 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 27: 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 27, page 26 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: Thermostat Control Lighting Instructions
OPERATING INSTRUCTIONS THERMOSTAT 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 28, page 26 for the location of the piezo ignitor and control knob. Turn control knob clockwise to the OFF position. -
Page 29: Millivolt Lighting Instructions
OPERATING INSTRUCTIONS MILLI-VOLT 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, See instructions for , page 30. -
Page 30: Match Lighting Instructions
OPERATING INSTRUCTIONS MATCH LIGHTING INSTRUCTIONS 1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 2. Follow appropriate lighting instructions found previously. Instead of pushing and releasing the piezo button, light a match and hold the flame to the end of the pilot and ignite the pilot. 3. -
Page 31: Cleaning And Servicing
CLEANING AND SERVICING CLEANING AND SERVICING Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and/or sooting. Turn off heater and allow to cool before cleaning. Disconnect electrical power before cleaning or servicing. Remove fireplace screen. -
Page 32: Replacement Parts List
REPLACEMENT PARTS LIST Failure to position 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. �� �� �� �� �� � � � �... - Page 33 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. DLX18 DLX24/28 Item Description Natural Propane Natural Propane Common Parts Front Burner 14D0439 14D0439 14D0443 14D0443 Rear Burner 14D2255 14D9055 14D2257 14D9057 Piezo Ignitor 14D0503 14D0503 14D0503 14D0503 Manual Control...
-
Page 34: Troubleshooting
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 POSSIBLE CAUSE OBSERVED PROBLEM 1 Replace ignitor. When ignitor button is pressed, 1. - Page 35 TROUBLESHOOTING If the gas quality is bad, your pilot may not stay lit, the burners may produce soot and the heater may backfire when lit. If the gas quality or pressure is low, contact your local gas supplier immediately. REMEDY OBSERVED PROBLEM POSSIBLE CAUSE ODS/pilot lights, but flame...
-
Page 36: Technical Services
This warranty is expressly in lieu of other warranties, express or implied, including the warranty of merchant- ability of fitness for purpose and of all other obligations or liabilities. Monessen Hearth Systems, Inc. does not assume for it any other obligations or liability in connection with the sale or use of the appliance. In states that do not allow limitations on how long an implied warranty lasts, or do not allow exclusion of indirect damage, those limitations of exclusions may not apply to you.