Table of Contents
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Models
DLY18/GLY18
DLY24/GLY24
DLY30/GLY30
Natural Gas or Propane/LPG
Control Type: Manual,
or Milli-Volt
UNVENTED GAS LOG HEATER OR
VENTED DECORATIVE APPLIANCE
INSTALLATION AND OPERATING INSTRUCTIONS
This is an unvented gas-fired
heater. It uses air (oxygen) from
the room in which it is installed.
Provisions for adequate combus-
tion and ventilation air must be
provided. Refer to page 5
• READ AND SAVE THESE INSTRUCTIONS •
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.
–
Do not store or use gasoline or other flam-
mable 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 qualified installer, service agency or the
gas supplier.
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Table of Contents
Related Manuals for Monessen Hearth DLY18
Summary of Contents for Monessen Hearth DLY18
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Page 1: Installation And Operating Instructions
Models DLY18/GLY18 DLY24/GLY24 DLY30/GLY30 Natural Gas or Propane/LPG Control Type: Manual, or Milli-Volt UNVENTED GAS LOG HEATER OR VENTED DECORATIVE APPLIANCE INSTALLATION AND OPERATING INSTRUCTIONS 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 Getting Started ........................... 5 Product Specifications ........................6 General Installation Information ....................... 7 Fireplace & Hearth Dimensions ......................9 Clearances / Height Requirements ....................10 Floor Clearance..........................14 Fireplace Preparation ........................15 Installing Vented Applications ......................15 Placing &... -
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 IMPORTANT SAFETY INFORMATION 15. Keep room area clear and free from combustible 23. Never burn solid fuels in a fireplace where a unvented room heater is installed. materials, gasoline and other flammable vapors and liquids. 24. Always have a fireplace screen in place when the appliance is in operation and , unless other provi- 16.
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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 Specifications
PRODUCT SPECIFICATIONS Natural Gas Manual Millivolt Pressure Regulator Pressure Setting: 4.0" w.c. Regulator Pressure Setting: 3.5" w.c. Pilot Regulator: 3.5" w.c. Gas Inlet Pressure: Max. 10 1/2" w. c. Gas Inlet Pressure: Max. 10 1/2" w. c. Min. 5" w.c. Min. -
Page 7: General Installation Information
GENERAL INSTALLATION INFORMATION Pilot The gas log heater is fitted with a specially designed safety pilot light which senses the amount of oxygen available in the room and shuts the gas log heater off if the oxygen level begins to drop below a satisfactory level. The pilot can only be relit when adequate fresh air is available. - Page 8 GENERAL INSTALLATION INFORMATION Counter Fireplace Figure 1: Example of Large Room with 1/2 Wall Divider The following formula can be used to determine the maximum heater rating per the definition of un- confined space: )FT x (W)FT x (H)FT Btu/Hr = x 1000 Example: Refer to Figure 1, two (2) connecting rooms with an open area between, with the following dimensions:...
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Page 9: Fireplace & Hearth Dimensions
The DLY/GLY Series unvented room heater may also be installed into a Ventless Firebox Enclo- sure for Gas Fired Decorative Type Unvented Room Heaters per IAS Requirement No. 2-97, as long as firebox hearth dimensions meet the minimum hearth dimensions shown below. Model DLY18/GLY18 17.5" 13.25" 27"... -
Page 10: Clearances / Height Requirements
CLEARANCES / HEIGHT REQUIREMENTS The dimensions shown in Figures 3 - 11 and defined in the fireplace manufacturer's instructions are minimum clearances to maintain in 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 11 Heater in Fireplace or Firebox Figure 4: Measuring Heat Resistant Material Requirements for Safe Installation Heat Resistant Material DLY18 / GLY18 DLY / GLY 24 & 30 Measurement Hood not required. Hood not required. 16" or more Hood not required.
- Page 12 CLEARANCES / HEIGHT REQUIREMENTS 8" or more of heat resistant material Hood Heater in Fireplace or Firebox Figure 5: Measuring Heat Resistant Material for Mantel Heat resistant material (minimum requirements) with wooden mantel or other combustible projection: To install the heater with a wooden mantel, shelf or other combustible projection above, first measure the heat resistant material shown in Figure 5.
- Page 13 CLEARANCES / HEIGHT REQUIREMENTS 12" 6"-10" 2 1/2" Figure 6: Minimum Mantel Clearance 20" Heat Resistant with Hood--All Models 18" Material Example: A mantel may project from the wall a maximum of 13" 8" 2 1/2" at a minimum of 13" above the opening, and a maxi- Min.
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Page 14: Floor Clearance
FLOOR CLEARANCE The gas log heater must be installed at least 5" above any combustible flooring material, such as carpet- ing or tile, which is closer than 14" to the base of the fireplace. This minimum distance must be main- tained from the top surface of carpeting, tile, etc. -
Page 15: 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, drafting may cause pilot outage or sooting. Use a heat resistant sealant. Do not seal the chimney flue damper. -
Page 16: Placing & Securing Appliance
PLACING and SECURING APPLIANCE You must secure the gas log heater to the fireplace floor. If not, the entire unit may move when you adjust the controls. Movement of unit may cause shifting of the gas logs which leads to sooting and improper burning. Grate move- ment could cause a gas leak. -
Page 17: 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 18: Checking Gas Pressure
CHECKING GAS PRESSURE Connecting directly to an unregulated propane/L.P.G. tank can cause an explosion. The heater gas inlet connection is 3/8" NPT at the valve, inlet on the left side facing the heater. If a right side connection is required, the connecting pipe may be led under the rear of the gas log heater at the left hand side for connection to the inlet. -
Page 19: Electrical Wiring
ELECTRICAL WIRING (Millivolt) ODS Pilot CAUTION On/Off Switch Label all wires prior to disconnection when ser- vicing controls. Wiring er- Pilot Wall rors can cause improper Switch and dangerous opera- Millivolt Valve tion. Verify proper opera- On/Off tion after servicing. Switch Optional Wall Switch, Thermostat... -
Page 20: Log Placement
LOG PLACEMENT Before you begin: This unit is supplied with a set of four 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. The positioning of the logs is critical to the safe and clean operation of this heater. -
Page 21: 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 thermocouple tip. -
Page 22: Checking The Burner Flames
CHECKING THE BURNER FLAMES In normal operation at full rate after 15 minutes, the following flame appearances should be observed: The front and rear flames should be yellow and extend 2"-3" above the log top surfaces. The yellow flames should not contact the logs. 2"... -
Page 23: 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 heater is equipped with an ignition device (piezo) which automatically lights the pilot. B. - Page 24 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. Refer to Figure 22 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 25 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, refer to instructions for "Match Lighting"...
- Page 26 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.
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Page 27: 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 (optional blower) before cleaning or servicing. Remove logs, handling carefully by holding gently at each end. Gloves are recommended to prevent skin irritation from ceramic fibers. - Page 28 ILLUSTRATION Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in prop- erty damage or personal injury.
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Page 29: Parts List
REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. DLY/GLY 18 DLY/GLY 24/28/30 Item Description Natural Propane Natural Propane Common Parts Burner Front 30D1008 30D1009 30D1010 30D1011 Ignitor Piezo 14D0503 14D0503 14D0503 14D0503 Manual Control Valve Control 30D0201 30D0202 30D0201 30D0202 Valve Regulator... -
Page 30: Parts List
REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. Item Description DLY 18 DLY 24 DLY 30 DLY Charred Oak Logs Log Front/Rear 30D2100 30D2102 30D2104 Log Top 30D2101 30D2103 30D2105 GLY Burly Oak GLY 18 GLY 24 GLY 30 Log Front/Rear 30D2106 30D2108... -
Page 32: 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 OBSERVED PROBLEM POSSIBLE CAUSE 1 Replace ignitor. When ignitor button is pressed, 1. - Page 33 REMEDY OBSERVED PROBLEM POSSIBLE CAUSE 4. Thermocouple connection loose at con- 4. Hand tighten until snug, then tighten 1/4 turn more. trol valve. 5. Pilot flame not touching thermocouple, 5. Contact local gas company. which allows thermocouple to cool, caus- ing pilot flame to go out.
- Page 34 Ceramic Fiber Logs, Catalytic Filter and Aluminized Burners. Basic Warranty Monessen Hearth Systems (MHS) warrants the components and materials in your gas appliance to be free from manufacturing and material defects for a period of one year from date of installation. After...