Page 2 - CONTENTS; Placement in a Fireplace with; Control
2 44D0060 CONTENTS Important Safety Information .................................. 3 Getting Started .......................................................... 5 Product Features and Specifi cations .................... 6 Natural Gas ......................................................... 6Propane...
Page 3 - IMPORTANT SAFETY INFORMATION; Vented; Please leave these instructions with the appliance.; CARBON MONOXIDE POISONING:; ARNING
44D0060 3 IMPORTANT SAFETY INFORMATION 10. This unit complies with ANSI Z21.11.2-2001 Unvented Heaters and also complies with ANSI Z21.60-2000 Deco-rative Vented Appliances for Solid Fuel Burning Fire-places. State and local codes may only allow operation of this appliance in a vented configuration....
Page 5 - MAKE SURE YOU HAVE RECEIVED ALL PARTS:; GETTING STARTED; Do not attempt to install any part of the appliance unless you; from loose fi bers. Logs are fragile — handle with care.; CAUTION
44D0060 5 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 • Two (2) Plastic bags containing crushed volcanic rock • Installation/operating instructions • Two (2)...
Page 6 - PRODUCT FEATURES; SPECIFICATIONS; NATURAL GAS; natural gas systems operating at higher pressure.; Gas Inlet Pressure: 10; Manual Pressure
6 44D0060 PRODUCT FEATURES AND SPECIFICATIONS Gas Rate Model Number Control Max BTU/Hr Min BTU/Hr DEB20NM MANUAL 28,000 18,000 DEB24NM MANUAL 38,000 20,000 DEB30NM MANUAL 38,000 20,000 DEB20NV MILLI-VOLT 28,000 18,000 DEB24NV MILLI-VOLT 38,000 25,000 DEB30NV MILLI-VOLT 38,000 25,000 Gas Rate Model N...
Page 7 - IGNITION CONTROLS; - All gas to the gas logs is shut off at the valve.; - Variable position corresponding to desired flame height.; - All gas to the gas logs is shut off at the valve.; IGN; THERMAL GENERATOR
44D0060 7 IGNITION CONTROLS Piezo ignitor allows ignition of the pilot without the use of matches or batteries. Manual 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. HI/LOW - Variable position correspo...
Page 8 - GENERAL INSTALLATION INFORMATION; CODES; or; National Fire Protection Association, Inc.; Batterymarch Park; ADEQUATE COMBUSTION AND VENTILATION AIR; , defines a confined space as a space whose volume is less than 50; UNUSUALLY TIGHT CONSTRUCTION IS DEFINED AS CONSTRUCTION WHERE...; ) or less with openings gasketed or sealed
8 44D0060 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 or National Fire Protection...
Page 9 - Figure 1 - Example of a Large Room with 1/2 Wall Divider
44D0060 9 W H The following formula can be used to determine the maximum heater rating per the definition of unconfined space: BTU/Hr = (L 1 + L 2 ) Ft x (W) Ft x (H) Ft 50 Consider two connecting rooms with an open area between, with the following dimensions: L 1 = 15 1 / 2 Ft., L 2 = 12 Ft., W = 1...
Page 10 - Model; FIREPLACE AND HEARTH DIMENSIONS; Figure 2 - Hearth Minimum Dimension
10 44D0060 A C D B Model A B C D DEB20 18" 13 1 / 4 " 27" 17" DEB24 22 1 / 4 " 13 1 / 4 " 28 1 / 2 " 17" DEB30 25 1 / 2 " 13 1 / 4 " 32 1 / 2 " 17" FIREPLACE AND HEARTH DIMENSIONS Use manufacturer's installation and clearance requirements as defi ned i...
Page 11 - Minimum Depth of Fireplace/Firebox; PLACEMENT IN A FIREPLACE WITH A RESTRICTIVE BARRIER; IMPORTANT INFORMATION FOR THE INSTALLATION OF THIS GAS LOG SET; fully; RNING
44D0060 11 Height of Restriction (X) Minimum Depth of Fireplace/Firebox No restriction 13 1 / 4 " 0 to 1 1 / 2 " 16" From 1 1 / 2 " to 3" 16" Greater than 3" ANY BARRIER GREATER THAN THREE INCHES (3") PLACED IN FRONT OF THE GAS LOG SET IS NOT RECOMMENDED BY THE MANUFA...
Page 12 - CLEARANCES; HEIGHT REQUIREMENTS; Sidewall and ceiling clearances:; sides
12 44D0060 16" 42" CLEARANCES AND HEIGHT REQUIREMENTS Sidewall and ceiling clearances: The sides of the fireplace opening must be at least 16" from any combustible wall. The ceiling must be at least 42" from the top of the fireplace opening. Figure 4 - Sidewall and Ceiling Clearances...
Page 13 - be at least 1/2” thick. Sheet metal should not be installed; Refer to “Installing Vented Applications” found on page 18.; CLEARANCES and HEIGHT REQUIREMENTS
44D0060 13 Measurethisdistance Heater inFireplace orFirebox HeatResistantMaterial Figure 5 - Measuring Heat Resistant Material 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 o...
Page 14 - Figure 6 - Measuring Heat Resistant Material for Mantel
14 44D0060 Heater inFireplace orFirebox 8" or More ofHeat ResistanMaterial Hood CLEARANCES and HEIGHT REQUIREMENTS Figure 6 - Measuring Heat Resistant Material for Mantel Heat resistant material (minimum requirements) with wooden mantel or other combustible projection: To install the heater with...
Page 15 - HEIGHT REQUIRMENTS; Figure 8 - Minimum Mantel Clearance with Hood - All Models
44D0060 15 Heater inFireplace orFirebox HeatResistantMaterial 10"8"6"2 1 / 2 " 8" 14" 20 1 / 2 " 24 5 / 8 " 28" Heater inFireplace orFirebox HeatResistantMaterial Hood 10" 12" 8" 6" 2 1 / 2 " 8" 14 1 / 2 " 18 5 / 8 " 22 1 / 2 " ...
Page 16 - The bottom of the mantel may project from the wall a; Figure 10 is an example of an unsafe mantel installation.; • Remove the mantel
16 44D0060 Heater inFireplace orFirebox HeatResistantMaterial 10" or less 12" min. 28" 2 1 / 2 " 8" 6" 7" 14 1 / 2 " 4" Figure 10 - Minimum Mantel Clearance with No Hood - DEB24 and DEB30 (Example of Unsafe Installation) Figure 9 - Minimum Mantel Clearance with No...
Page 17 - FLOOR CLEARANCE; Figure 11 - Minimum Clearance above Combustible Flooring
44D0060 17 Heater inFireplace orFirebox 5" Minimum Combustible Material 14" Minimum Heater inFireplace orFirebox Combustible Material This DistanceMay Now BeLess than 5" FLOOR CLEARANCE The gas log heater must be installed at least 5" above any combustible flooring material, such as ...
Page 18 - FIREPLACE PREPARATION; BEFORE FULLY INSTALLING THE UNIT:; • Turn; the gas supply to the fireplace or firebox.; Do not seal the chimney flue damper.; INSTALLING VENTED APPLICATIONS; rial and minimum mantel requirements do not apply.; Have this cleaning performed annually after installation.; Install and operate the appliance as directed in this manual.; to prevent full closure
18 44D0060 Damper Stop Damper Figure 13 - Damper Stop Installation. (See WARNING at top of next page.) 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 ...
Page 19 - PLACING AND SECURING APPLIANCE; fireplace or firebox.
44D0060 19 INSTALLING VENTED APPLICATIONS PLACING AND SECURING APPLIANCE ASSEMBLY PROCEDURE: 1. Center the gas log unit in the fireplace or firebox. Make certain the front feet of the grate sit inside the front edge of the fireplace or firebox. 2. Anchor holes are located on the right and left sides...
Page 20 - CONNECTING THE GAS; Figure 15 - Gas Connection
20 44D0060 Pipe Coupling To Heater Valve Gas Supply Inlet CONNECTING THE GAS NOTICE: A qualifi ed gas appliance installer must connect the heater to the gas supply. Consult all local codes. IMPORTANT: Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe. Manual Sh...
Page 21 - CHECKING GAS PRESSURE; The heater gas inlet connection is a; MANUAL CONTROL; If the pressure is not as specified,; DO NOT USE AN OPEN FLAME.; Test Port “OUT”
44D0060 21 CHECKING GAS PRESSURE The heater gas inlet connection is a 3 / 8 " NPT at the valve. On all control type units, the inlet connection is on the right side of unit. To connect from the opposite side, route the pipe around the back portion of the unit.When tightening up the joint to the ...
Page 22 - The milli-volt valve is a self-powered combination gas control; THAT DOES NOT REQUIRE 110 VAC TO OPER-; Figure 18 - Wiring Diagram
22 44D0060 ELECTRICAL WIRING (MILLI-VOLT) The milli-volt valve is a self-powered combination gas control THAT DOES NOT REQUIRE 110 VAC TO OPER- ATE. CONNECTING OPTIONAL WALL SWITCH OR THERMOSTAT 1. Use 18 awg, two-wire cable, 15 feet maximum length. 2. At one end of the cable, connect both wires to ...
Page 23 - CONNECTING REMOTE RECEIVER; Do not let the wire touch the grate
44D0060 23 HIGH LOW 26D3 317 THER MOST AT SETTIN G HIGH LOW 26D33 17 THER MOS TAT SE TTIN G ELECTRICAL WIRING (MILLI-VOLT) CONNECTING REMOTE RECEIVER 1. Connect the connectors to the two .25" male con- nectors located on the right side when facing the unit (Figure 19). Do not let the wire touch ...
Page 25 - OPERATION OF THERMOSTAT SENSOR; how often the unit cycles by turning the control knob on the sensor.
44D0060 25 HIGH LOW 26D3 317 THE RMOS TAT SE TTING A. COMPLETE MILLI-VOLT SYSTEM CHECK (“A” Reading - Thermostat contacts CLOSED - Control Knob “ON” - Main burner should turn ON) a. If the reading is more than 175 milli-volts and the automatic valve still does not come on, replace the control. b. If...
Page 26 - LOG PLACEMENT; INSTALLING LOGS ON GRATE (See Figures 25 and 26 ); Before you begin; After handling the logs, wash your hands gently; Rest
26 44D0060 LOG PLACEMENT INSTALLING LOGS ON GRATE (See Figures 25 and 26 ) NOTE: Model DEB18 has 4 logs and models DEB24 and DEB30 have 5 logs. 1. Install back log (#1) on two pins located near the back of base. Check log position and stability. 2. Install right center log (#2) on pins located near ...
Page 27 - PLACING THE DECORATIVE ROCK; CHECKING THE PILOT FLAME; It should just touch the top of the ther-; Figure 29 - Correct Appearance of Pilot Flame
44D0060 27 PLACING THE DECORATIVE ROCK DO NOT sprinkle volcanic rock on the logs, around the pilot, or on or near burners. This may cause sooting. Place volcanic rock only on the fl oor of the fi replace. During initial operation of the new heater, burning logs will give off a paper burning smell an...
Page 28 - OPERATING INSTRUCTIONS; Avoid any drafts that alter burner fl ame patterns.; Do not allow fans to blow directly into the fireplace. Do not place; CHECKING THE BURNER FLAME; Glowing Embers
28 44D0060 In normal operation at full rate after 15 minutes, the following fl ame appearances should be observed: Figure 31 - Correct Appearance of Rear Flames The left and right rear flames should be yellow and extend 1"-2" above the mid log top surfaces. The yellow flames should not conta...
Page 29 - WHAT TO DO IF YOU SMELL GAS:; • Do not attempt to light any appliance.; Piezo; FOR YOUR SAFETY READ BEFORE LIGHTING
44D0060 29 Figure 32 - Location of Piezo Ignitor, Control Knobs and Switch on Milli-volt and Manual Units A. This appliance is equipped with a piezo ignition device which lights the pilot. If piezo is not working properly see “Match Lighting Instructions,” page 33. B. BEFORE OPERATING smell all arou...
Page 30 - Figure 33 - IGN Position; Refer to Figure 32, page 29; MANUAL CONTROL LIGHTING INSTRUCTIONS; TO TURN OFF GAS TO HEATER
30 44D0060 Push Push Rotate Rotate Rotate OPERATING INSTRUCTIONS Figure 33 - IGN Position Figure 34 - HIGH Position Figure 35 - LOW Position 1. STOP! Read the safety information. 2. Make sure the manual shutoff valve is fully open. 3. This heater is equipped with an ignition device (piezo) which aut...
Page 31 - NOTE: If you are running the heater for the fi rst time, it may be; LIGHTING INSTRUCTIONS; Figure 37 - Control Cover Plate for Milli-Volt
44D0060 31 OPERATING 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 fo...
Page 32 - CLEANING AND SERVICING; • External case should be dusted and wiped with a wet soapy cloth.; MATCH LIGHTING INSTRUCTIONS
32 44D0060 OPERATING INSTRUCTIONS AND CLEANING AND SERVICING CLEANING AND SERVICING Annual inspection and cleaning by your dealer or qualifi ed service technician is recommended to prevent malfunction and/or sooting. PERIODIC CLEANING - Refer to parts diagram for location of items discussed below. •...
Page 33 - OBSERVED PROBLEM; POSSIBLE CAUSE; Note: All troubleshooting items are listed in order of operation.; TROUBLESHOOTING
44D0060 33 OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot. Appliance produces unwanted odors. Appliance shuts off during use. Gas odor even when control knob is in OFF position. When ignitor button is pressed, there is spark at ODS pilot, but no ignition. POSSIBLE CA...
Page 35 - BURNER ASSEMBLY
44D0060 35 4 7 8 11 1 2 3 5 (Manual) 5 (Milli-Volt) 6 9 10 10 12 13 REPLACEMENT PARTS F a i l u r e t o p o s i t i o n t h e p a r t s i n accordance with these diagrams or failure to use only parts specifi cally approved with this appliance may result in property damage or personal injury. W ARNIN...
Page 36 - REPLACEMENT PARTS LIST; REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER.
36 44D0060 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. Accessories Flex Connector Flexcon 30 All Models Wall Switch Kit MVWS Milli-volt only Wall Thermostat Kit WT Milli-volt only Hand Held Remote RCT, RCB Milli-volt only Hand Held Thermostat Remote RCT, RCST Milli-...
Page 37 - LOGS
44D0060 37 6 2 3 1 4 5 (DEB24/DEB30) REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. Item Description Qty DEB20 DEB24 DEB30 1 Back Log 1 44D1011K 44D1001K 44D1006K 2 Right Center Log 1 44D1022 44D1020 44D1024K 3 Left Center Log 1 44D1023 44D1021 44D1025 4 Middle Front Log 1 44D1012K 44D1002K ...
Page 38 - NOTES; NOTE REGARDING VENTED PRODUCTS; MASSACHUSETTS RESIDENTS ONLY:
NOTES NOTE REGARDING VENTED PRODUCTS This product must be installed by a licensed plumber or gas fi tter when installed within the Commonwealth of Massachu-setts. Any residence with a direct vent product must have a CO detector installed in the residence. Installation of the fi replace or vented gas...
Page 39 - SPECIAL REQUIREMENTS CONTINUED; “GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.”; NFPA 54 as adopted by the Board and
SPECIAL REQUIREMENTS CONTINUED 2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certifi ed. 3. SIGNAGE. A metal or plastic identifi cation plate shall be permanently ...
Page 40 - MONESSEN HEARTH SYSTEMS; LIMITED LIFETIME WARRANTY POLICY; LIFETIME WARRANTY
40 44D0060 NOVEMBER 2007 P/N 44D0060 • Rev. 8 MONESSEN HEARTH SYSTEMS LIMITED LIFETIME WARRANTY POLICY LIFETIME WARRANTY 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 Burner...