Monessen DBX24C - Manuals - manualsarea.com

Page 2 - DFX & DBX Series Vent Free Fireplaces; CONTENTS; SYSTEM

33D4047 DFX & DBX Series Vent Free Fireplaces CONTENTS Important Safety Information .................................... 3Code Approval ............................................................. 4Product Features ......................................................... 5 Gas Pressures .........

Page 3 - IMPORTANT SAFETY INFORMATION; Any change to this heater or its controls can be dangerous.; INSTALLER; CARBON MONOXIDE POISONING:

33D4047 3 DFX & DBX Series Vent Free Fireplaces IMPORTANT SAFETY INFORMATION W ARNING • 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. • Do not al...

Page 4 - American National Standards Institute, Inc.

4 33D4047 DFX & DBX Series Vent Free Fireplaces IMPORTANT SAFETY INFORMATION 19. Input ratings are shown in BTU per hour and are for elevations up to ,000 feet. For elevations above ,000 feet, input ratings should be reduced 4 percent for each 1,000 feet above sea level. Refer to the National Fu...

Page 5 - Control

33D4047 5 DFX & DBX Series Vent Free Fireplaces PRODUCT FEATURES This vent-free fireplace must be mounted on the floor or on the optional fireplace hearth. OPERATION This unvented gas heater requires no outside venting and burns cleanly with high heating efficiency.This zero-clearance unvented g...

Page 6 - FIREPLACE and FRAMING DIMENSIONS; Framing Dimensions

6 33D4047 DFX & DBX Series Vent Free Fireplaces O - Min. Rough Opening Width Min. RoughOpening Depth 1/2” or 5/8” Min. RoughOpeningHeight L 334051VFS DBX dims A B C D H E F G J P S R Q S I N M K FIREPLACE and FRAMING DIMENSIONS Figure 2 - Fireplace and Framing Dimensions Ref. DFX24C/DBX24C DFX32...

Page 7 - GETTING STARTED; Do not; Handle the gas log burner assembly by; ARNING; Do not install the heater:

33D4047 7 DFX & DBX Series Vent Free Fireplaces 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 heater • Trim kit • Two () 90°-angle brackets • Ceramic fiber logs • Ins...

Page 8 - ADEQUATE COMBUSTION AND VENTILATION AIR; defines a confined space as a space; COMBUSTION and VENTILATION AIR

8 33D4047 DFX & DBX Series Vent Free Fireplaces ADEQUATE COMBUSTION AND VENTILATION AIR This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. The National Fuel Gas Code, (ANSI Z223.1/NFPA...

Page 9 - FIREPLACE INSTALLATION; ances” section on; DO NOT INSTALL THIS MODEL IN A BEDROOM OR BATHROOM.; Minimize modifications to existing construction.

33D4047 9 DFX & DBX Series Vent Free Fireplaces FIREPLACE INSTALLATION FIREPLACE LOCATION Carefully select the best location for installation of your unvented fireplace. The following factors should be taken into consideration. • Clearance to side wall, ceiling, woodwork and window or other comb...

Page 10 - Sidewall Clearances; Figure 5; Ceiling Clearance; Figure; Back Wall Clearance; The dimensions shown in; Figures 5 and 6; are minimum clearances to

10 33D4047 DFX & DBX Series Vent Free Fireplaces FIREPLACE INSTALLATION Ensure that minimum clearances shown in Figures 5 and 6 are maintained. Left and right clearances are determined when facing the front of the firebox.Follow these instructions carefully to ensure safe installation. Failure t...

Page 11 - BE SURE THAT ALL; Figure 2 on Page 6; Figure 8

33D4047 11 DFX & DBX Series Vent Free Fireplaces FIREPLACE INSTALLATION If unit is to be “built in”, fireplace framing can be built before or after the appliance is set in place. BE SURE THAT ALL PACkING MATERIAL HAS BEEN REMOVED FROM THE UNDERSIDE OF THE UNIT PRIOR TO SETTING THE FIREBOX IN PLA...

Page 12 - Clearance requirements as detailed in

1 33D4047 DFX & DBX Series Vent Free Fireplaces FIREPLACE INSTALLATION SECURING HEATER TO FLOOR OR HEARTH NOTE: Clearance requirements as detailed in “CLEaRanCES and HEiGHt REquiREmEntS” section on Page 16 of this manual, must be met before securing the heater in place. To prevent movement, the ...

Page 13 - Consult all local codes.

33D4047 13 DFX & DBX Series Vent Free Fireplaces FIREPLACE INSTALLATION NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes. W ARNING Use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fu...

Page 14 - DO NOT USE AN OPEN FLAME.; THERMOSTAT CONTROL

14 33D4047 DFX & DBX Series Vent Free Fireplaces FIREPLACE INSTALLATION When tightening 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 conne...

Page 15 - ELECTRICAL INSTALLATION

33D4047 15 DFX & DBX Series Vent Free Fireplaces ELECTRICAL INSTALLATION FP2112wiring diagram12/08 Figure 15 - Wiring Diagram Optional WallSwitch or Remote Receiver Switch On/OffSwitch On/OffSwitch WallSwitch ODS Pilot Valve TH = 3TP = 1TP/TH = ODS Pilot Spade Terminal FP11 W ARNING Label all wi...

Page 16 - CHECk SYSTEM OPERATION

16 33D4047 DFX & DBX Series Vent Free Fireplaces ELECTRICAL INSTALLATION CONNECT REMOTE RECEIVER THESE INSTRUCTIONS SUPERCEDE THE SECTION ENTITLED “HEARTH MOUNT” IN THE M ILLIvOLT HAND-HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE. Figure 16 1. Remove bottom louvre door. . Connect the remote...

Page 17 - FINAL INSTALLATION; INSTALL CANOPY

33D4047 17 DFX & DBX Series Vent Free Fireplaces FINAL INSTALLATION W ARNING Do not operate the unit without the screen frame panel and canopy installed. REMOVE SCREEN 1. Remove bottom louver. Figure 17 2. Removing fireplace screen frame panel by pushing screen frame panel up and out. Figure 17 ...

Page 18 - LOG PLACEMENT; Before you begin; — This unit is supplied with six (6) ceramic fiber logs. Do not handle; Always wear gloves to prevent skin irritation from; remove any traces of fibers.

18 33D4047 DFX & DBX Series Vent Free Fireplaces LOG PLACEMENT Before you begin — This unit is supplied with six (6) ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling the logs, wash your hands gent...

Page 19 - Install one-piece log on two burner pins.; DFX32C LOG PLACEMENT; right end of right middle log on the right front log.; PLACE ROCk WOOL; Use only rock wool provided with log

33D4047 19 DFX & DBX Series Vent Free Fireplaces LOG PLACEMENT DBX24C LOG PLACEMENT Install one-piece log on two burner pins. Figure 21 DFX32C LOG PLACEMENT Figure 20 1. Install front right log (#1) on two pins on right side of burner. . Install left front log (#) on two pins on left side of bur...

Page 20 - FLAME APPEARANCE; It should just; MILLIVOLT CONTROL; Correct Pilot Flame Appearance

0 33D4047 DFX & DBX Series Vent Free Fireplaces FP2501manual pilot flame FP2273pilot bad flame FP2272pilot correct flame 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 visuall...

Page 21 - Avoid any drafts that alter burner flame patterns.; this is a normal and

33D4047 1 DFX & DBX Series Vent Free Fireplaces FLAME APPEARANCE CHECkING BURNER FLAME DFX24C and DFX32C MODELS In normal operation at full rate after 15 minutes, the follow-ing flame appearances should be observed:Burner will have a random pattern of yellow flames. Fig- ures 25 and 26. There sh...

Page 22 - OPERATING INSTRUCTIONS; WHAT TO DO IF YOU SMELL GAS:; • Do not attempt to light any appliance.; FOR YOUR SAFETY READ BEFORE LIGHTING

33D4047 DFX & DBX Series Vent Free Fireplaces OPERATING INSTRUCTIONS A. This appliance is equipped with a piezo ignition device which automatically lights the pilot. If piezo is not working properly, refer to match Lighting instructions, Page 33. B. BEFORE OPERATING smell all around the applianc...

Page 23 - MANUAL CONTROL LIGHTING INSTRUCTIONS; Refer to Page 22, Figure 23; OFF; TO TURN OFF GAS TO HEATER

33D4047 3 DFX & DBX Series Vent Free Fireplaces OPERATING INSTRUCTIONS MANUAL CONTROL LIGHTING INSTRUCTIONS 1. STOP! Read the safety information. . Make sure the manual shutoff valve is fully open.3. This heater is equipped with an ignition device (piezo) which automatically lights the pilot. 4....

Page 24 - THERMOSTATIC CONTROL LIGHTING INSTRUCTIONS; What to do if You Smell Gas, Page 23

4 33D4047 DFX & DBX Series Vent Free Fireplaces OPERATING INSTRUCTIONS THERMOSTATIC CONTROL LIGHTING INSTRUCTIONS TO TURN OFF GAS TO HEATER 1. Turn control knob clockwise to OFF position to completely shut off the heater. . If applicable: Turn off all electric power to the heater. 1. STOP! Read ...

Page 25 - MILLIVOLT CONTROL LIGHTING INSTRUCTIONS; match Lighting instructions, Page 26

33D4047 5 DFX & DBX Series Vent Free Fireplaces OPERATING INSTRUCTIONS MILLIVOLT CONTROL LIGHTING INSTRUCTIONS 1. STOP! Read the safety information label. . Make sure the manual shutoff valve is fully open.3. This gas log set is equipped with an ignition device (piezo) which automatically lights...

Page 26 - OPERATING INSTRUCTIONS and MAINTENANCE; MATCH LIGHTING INSTRUCTIONS; CLEANING AND SERVICING; DO NOT OPERATE THE UNIT WITH THE; Do not use cleaning fluid to clean logs or any part of heater.

6 33D4047 DFX & DBX Series Vent Free Fireplaces OPERATING INSTRUCTIONS and MAINTENANCE MATCH LIGHTING INSTRUCTIONS 1. 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 rel...

Page 27 - TROUBLESHOOTING

33D4047 7 DFX & DBX Series Vent Free Fireplaces TROUBLESHOOTING W ARNING 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. OBSERVED PROBLEM...

Page 28 - REPLACEMENT PARTS; Description

8 33D4047 DFX & DBX Series Vent Free Fireplaces REPLACEMENT PARTS 1 4 3 2 5 6 334051firebox parts DFXC/DBXC Firebox Parts Ref. Description Qty. DFX24C DBX24C DFX32C 1. Canopy 1 33D4000 33D4000 33D5000 . Screen Assy. 1 33D4501 33D4501 33D5501 3. Left Firebrick (Optional) 1 6D7061 6D7061 6D7065 4...

Page 30 - DFX32C Millivolt

30 33D4047 DFX & DBX Series Vent Free Fireplaces REPLACEMENT PARTS 1 10 11 3 12 13 14 15 16 2 7 8 6 9 9 10 4 4 5 33405132VFSC burner parts DFX32C MILLIVOLT BURNER PARTS DFX32C Millivolt Ref. Description Qty. Natural Propane 1. Burner/Grate Assy. 1 33D5050 33D5050 . Injector 1 33D5040 33D5039 3. ...

Page 32 - OPTIONAL ACCESSORIES; FORCED AIR kIT; Model DFX4C uses blower model BLO4T.; BRASS LOUVERS

3 33D4047 DFX & DBX Series Vent Free Fireplaces OPTIONAL ACCESSORIES FORCED AIR kIT If you are installing the forced air kit (Models BLO4-T, BLO4-TB or BLOT), see the installation instructions provided with the kit for electrical wiring requirements or the blower installation sec-tion. Model DFX...

Page 33 - To Separate Trim

33D4047 33 DFX & DBX Series Vent Free Fireplaces OPTIONAL ACCESSORIES INSTALLING OPTIONAL FIREBRICk PANELS 1. Remove optional firebrick panels from packaging. Check that you have the following: • 3 firebrick panels • two () retainer brackets • two () black screws If any part or parts are missing...

Page 34 - Do not over

34 33D4047 DFX & DBX Series Vent Free Fireplaces OPTIONAL ACCESSORIES 3. Use one 90° angle trim bracket to join the corner of one piece of side trim to the corner of the top trim piece. Figure 38. A rubber hammer or handle of a claw hammer will help secure the corners. 4. Repeat for other side. ...

Page 36 - LIMITED LIFETIME WARRANTY POLICY; LIFETIME WARRANTY; serial number of your MHSC product.; MHSC

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 year...