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. This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed.
CONTENTS Important Safety Information ............................................................................................................ 3 Getting Started ................................................................................................................................... 5 Product Specifications ....................................................................................................................... 6 General Installation Information ...................................
IMPORTANT SAFETY INFORMATION INSTALLER Please leave these instructions with the owner. OWNER Please retain these instructions for future reference. IMPORTANT WARNING 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. Improper installation or use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning.
IMPORTANT SAFETY INFORMATION 15. Keep room area clear and free from combustible materials, gasoline and other flammable vapors and liquids. 16. Unvented gas heaters are a supplemental zone heater. They are not intended to be a primary heating appliance. Water vapor produced by an unvented heater can create moisture problems in a home when operated for extended periods of time. 17.
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. Two (2) anchoring screws. Plastic bag containing crushed volcanic rock. CAUTION Millivolt controlled heater designed to be operated with optional devices for ON/OFF functions. • Hand held Remote w/receiver. • Wall Switch with 20' wire.
PRODUCT SPECIFICATIONS Natural Gas Manual Regulator Pressure Setting: Gas Inlet Pressure: Millivolt Pressure 4.0" w.c. Regulator Pressure Setting: Pilot Regulator: Max. 10 1/2" w. c. Gas Inlet Pressure: Min. 5" w.c. Model Number DLY18NM, DLY24/30NM, DLY18NV, DLY24/30NV, GLY18NM GLY24/30NM GLY18NV GLY24/30NV Type Manual Manual Milli-Volt Mill-Volt 3.5" w.c. 3.5" w.c. Max. 10 1/2" w. c. Min. 5" w.c. Gas Rate Min. BTU/Hr Max.
GENERAL INSTALLATION INFORMATION Pilot Thermal Generator - 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. - The millivolt gas log pilot is fitted with a millivolt generator to provide power for remote activation.
GENERAL INSTALLATION INFORMATION Counter Fireplace H L2 L1 W 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 unconfined space: Btu/Hr = (L1 + L2)FT x (W)FT x (H)FT x 1000 50 Example: Refer to Figure 1, two (2) connecting rooms with an open area between, with the following dimensions: L1 = 15 1/2' L2 = 12' W = 12' H = 8' (15 1/2 + 12) x (12) x (8) x 1000 = 52800 Btu/Hr 50 WARNING If there was a door betw
WARNING FIREPLACE and HEARTH DIMENSIONS This appliance has been specifically tested and design certified for installation only in a solid-fuel burning fireplace including factory-built UL127 fireplaces and masonry fireplaces, or approved ventless firebox enclosure. (see below) Use manufacturer's installation and clearance requirements as defined in their manual.
WARNING 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. Follow these instructions carefully to ensure safe installation.
CLEARANCES / HEIGHT REQUIREMENTS Heat resistant material (minimum requirements) with no wooden mantel or other combustible projection: To install the gas logs into a fireplace with no wooden mantel, shelf or other combustible projection above the fireplace opening, measure the heat resistant material height, per Figure 4, then refer to TABLE A. Heat resistant materials such as slate and marble must be at least 1/2" thick. Sheet metal should not be installed onto combustible material.
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.
CLEARANCES / HEIGHT REQUIREMENTS 12" 6"-10" 2 1/2" Heat Resistant Material 20" 18" Figure 6: Minimum Mantel Clearance with Hood--All Models Example: A mantel may project from the wall a maximum of 2 1/2" at a minimum of 13" above the opening, and a maximum of 10" at a minimum of 18" above the opening. 13" 8" Min. 10" or Less Heat Resistant Material 20" Min. 32" 10" 6"-8" 2 1/2" Heat Resistant Material 20" 18.5" 15" 20" Min.
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. This minimum distance must be maintained from the top surface of carpeting, tile, etc. Refer to Figure 8. OR, 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.
FIREPLACE PREPARATION WARNING 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.
WARNING 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 movement could cause a gas leak. Special care is required if you are installing the unit into a sunken fireplace. You must raise the fireplace floor to allow access to gas log controls.
CONNECTING THE GAS CAUTION 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. Gas piping system must be sized to provide minimum inlet pressure (Listed on Data Plate) at the maximum flow rate (BTU/Hr).
WARNING 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. When tightening up the joint to the valve, hold the valve securely with a wrench to prevent movement.
ELECTRICAL WIRING (Millivolt) ODS Pilot CAUTION On/Off Switch Label all wires prior to disconnection when servicing controls. Wiring erWall rors can cause improper Switch and dangerous operation. Verify proper operaOn/Off tion after servicing. ODS Pilot Millivolt Valve Switch Optional Wall Switch, Thermostat or Remote Red Red Switch Figure 15: Wiring Diagram The DL series Milli-Volt (thermopile) is a self powered combination gas control, does not require 110vac to operate.
LOG PLACEMENT WARNING 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. Sooting and other problems may result if the logs are not properly and firmly positioned in the appliance.
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. Refer to Figure 17 and 19. If the pilot flame does not touch the thermocouple, then the main burner cannot function reliably.
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" - 3" 2" - 3" Charred Oak (DLY) Burly Oak (GLY) Figure 21: Correct Appearance of Flames OPERATING INSTRUCTIONS Avoid any drafts that alter burner flame patterns. Do not allow fans to blow directly into the fireplace.
OPERATING INSTRUCTIONS WARNING 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. BEFORE LIGHTING smell all around the heater area for gas. Be sure to smell next to the floor because some propane/LPG is heavier than air and will settle on the floor.
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. NOTE: Knob cannot be turned to OFF unless knob is pushed in slightly. Do not force.
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" 4. Turn gas control knob clockwise to the "OFF" position, set the thermostat to the lowest setting and turn ON/OFF switch to OFF position. 5.
OPERATING INSTRUCTIONS 1. 2. 3. 4. 26 MATCH LIGHTING INSTRUCTIONS Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 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. After control knob has been released and pilot stays lit, re-install any items that were removed for pilot access.
CLEANING AND SERVICING WARNING 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. If skin becomes irritated, wash gently with soap and water.
ILLUSTRATION 6 1 5 3 4 9 8 7 WARNING 2 28 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.
REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER.
REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER.
WARNING 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. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, there is no spark at ODS/pilot. 1. 2. 3. 4. Ignitor electrode positioned wrong. Ignitor electrode is broken. Ignitor electrode not connected to ignitor cable. Ignitor cable pinched or wet. Keep ignitor cable dry. 5.
POSSIBLE CAUSE REMEDY 4. Thermocouple connection loose at control valve. 5. Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This problem could be caused by either low gas pressure, or a dirty or partially clogged ODS/pilot. 6. Thermocouple damaged. 7. Control valve damaged. 4. Hand tighten until snug, then tighten 1/4 turn more. 5. Contact local gas company. Burner does not light after ODS/ pilot is lit. 1. Burner orifice is clogged. 2.
MONESSEN HEARTH SYSTEMS LIMITED LIFETIME WARRANTY POLICY Lifetime Warranty The following components are warranted for life to the original owner, subject to 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: Ceramic Fiber Logs, Catalytic Filter and Aluminized Burners.
