Page 2 - CONTENTS; Placement in a Fireplace
2 86D0024 CONTENTS Important Safety Information .................................. 3 Getting Started .......................................................... 5 Product Features and Specifications .................... 6 Natural Gas ......................................................... 6 Propane...
Page 3 - IMPORTANT SAFETY INFORMATION; National Fuel; INSTALLER; CARBON MONOXIDE POISONING:; burns, explosion or carbon monoxide poisoning.; ARNING
86D0024 3 IMPORTANT SAFETY INFORMATION 9. The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.l/NFPA54. 10. This unit complies with the latest revision of ANSI Z21.11.2-2007 Unvented Heaters and also complies with ANSI Z21.60 D...
Page 4 - utility) gas wells. This gas is commonly; Massachussetts resiDents only:
4 86D0024 IMPORTANT SAFETY INFORMATION continued from page 3 15. This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Pro - visions for adequate combustion and ventilation air must be provided. See page 8. 16. Keep room area clear and free from combustib...
Page 5 - MAkE SuRE YOu hAvE RECEIvED ALL PARTS:; GETTING STARTED; G l o v e s a r e r e c o m m e n d e d w h e n; CAUTION; Do not attempt to install any part of the
86D0024 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 Burner Assembly • Two (2) Plastic Bags Containing Crushed Volcanic Rock • Installation/Operating Instructions • Two (2) Ancho...
Page 6 - NATURAL GAS; Gas Inlet Pressure:; IGNITION CONTROLS; - All gas to the gas logs is shut off at the valve.; THERMAL GENERATOR; for remote activation.
6 86D0024 PRODuCT FEATuRES and SPECIFICATIONS NATURAL GAS NOTE: An external regulator is required to reduce supply pressure to a maxi- mum of 10 1 / 2 " W.C. on natural gas systems operating at higher pressure. MILLIVOLT Regulator Pressure Setting: 3.5" w.c.Pilot Regulator: 3.5" w.c. Gas...
Page 7 - 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; UNUSUALLY TIGHT CONSTRUCTION IS DEFINED AS CONSTRUCTION WHERE...
86D0024 7 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 - or BUF; the minimum hearth dimensions shown below.; DO NOT install this appliance in a factory-built fireplace that
86D0024 9 19” 27” 14” 30” FP1994 Min. hearth dims FIREPLACE and HEARTH DIMENSIONS use manufacturer's installation and clearance requirements as defined in their manual. The MJ Series unvented room heater is approved for installation into the following unvented fire - places: GCuF Series Fireboxes Ma...
Page 10 - PLACEMENT IN A FIREPLACE wITh A RESTRICTIvE BARRIER; IMPORTANT INFORMATION FOR ThE INSTALLATION OF ThIS GAS LOG SET; fully open; will extend the battery life.; Minimum Depth of Fireplace/Firebox; overheat and malfunction.; located outside the firebox.; NOTE
10 86D0024 X FP1995 logset in enclosure 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 opening of the firepl...
Page 11 - CLEARANCES and HEIGHT REQUIREMENTS; Sidewall and ceiling clearances:; The; The dimensions shown in; Figures 4 through 11; and defined in the fireplace manufacturer's
86D0024 11 16" 42" FP1996wall ceiling clearances FP1996 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. Figur...
Page 12 - fireplace opening, measure the heat resistant material height,; be at least 1/2” thick. Sheet metal should not be; Hood not required
12 86D0024 FP1997heat resistant material Heat Resistant Material Heater in Fireplace or Firebox FP1997 Measure This Distance 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...
Page 13 - resistant material shown in; Heat Resistant; shown on; OR
86D0024 13 FP1998heat resist mantel Hood Heater in Fireplace or Firebox 8" or More of Heat Resis- tant Materials FP1998 CLEARANCES and HEIGHT REQUIREMENTS Figure 6 - Measuring Heat Resistant Material for Mantel Heat resistant material (minimum requirements) with wooden mantel or other combustibl...
Page 14 - A mantel may project from the wall a; mum; The bottom of the mantel may project
14 86D0024 CLEARANCES and HEIGHT REQUIREMENTS Figure 7 - Minimum Mantel Clearance with Hood - All Models Example: A mantel may project from the wall a maxi- mum of 2 1 / 2 " at a minimum of 8" above the opening, and a maximum of 6" at a minimum of 14 1 / 2 " above the opening. 10"...
Page 15 - Figure 9 is an example of an unsafe mantel instal-; • Remove the mantel
86D0024 15 FP2002mantel clearances unsafe 2 1 / 2 " 8" 6" 7" 14 1 / 2 " 4" Mantel Minimum of 8" Heat Resistant Material Hood FP2002 Figure 9 - Minimum Mantel Clearance with Hood - MJ27 (Example of Unsafe Installation) CLEARANCES and HEIGHT REQUIREMENTS Figure 9 is an exam...
Page 16 - FLOOR CLEARANCE; The gas log heater must be installed at least 1
16 86D0024 14" Minimum FP2004min clear nocomb floor Heater in Fireplace or Firebox Combustible Material This Distance May Now be Less Than 1 3 / 8 " FP2004 FLOOR CLEARANCE The gas log heater must be installed at least 1 3 / 8 " above any combustible flooring material, such as carpeting o...
Page 17 - BEFORE INSTALLING ThE APPLIANCE:; prevent full closure of the fireplace damper blade; FIREPLACE PREPARATION; BEFORE FULLY INSTALLING THE UNIT:; the gas supply to the fireplace or firebox.; Do not seal the chimney flue; INSTALLING vENTED APPLICATIONS; Since, the gas logs are operated with the damper open,; gas logs. This log set may be installed as a vented log set.; Before installing in a solid fuel burning; a positive draft, contact your dealer for assistance.
86D0024 17 FP2005damper install Damper Stop Damper FP2005 BEFORE INSTALLING ThE APPLIANCE: • Turn off gas supply to fireplace or firebox. • Have the fireplace floor and chimney professionally cleaned to remove ashes, soot, creosote or other obstruc - tions. Have this cleaning performed annually afte...
Page 18 - PLACING AND SECuRING APPLIANCE; inside the front edge of the fireplace or firebox.; controls during operation.; Screw
18 86D0024 FP2006secure to floor INSTALLING vENTED APPLICATIONS PLACING AND SECuRING APPLIANCE ASSEMBLY PROCEDuRE: 1. Center the gas log unit on the fireplace or firebox. Make certain the front of the burner sits inside the front edge of the fireplace or firebox. 2. Anchor holes are located on the r...
Page 19 - CONNECTING THE GAS; only
86D0024 19 FP2007gas connection FP2007 Pipe Coupling To Heater Valve Gas Supply Inlet CONNECTING THE GAS NOTICE: A qualified 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 connecti...
Page 20 - ChECkING GAS PRESSuRE; When tightening up the joint to the valve, hold the valve; MILLIVOLT VALVE CONTROL; turn captured screw clockwise firmly to re-seal. Do; DO NOT uSE AN OPEN FLAME.; C o n n e c t i n g d i r e c t l y t o a n
20 86D0024 FP2008gas valve FP2008 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...
Page 21 - The Millivolt valve is a self-powered combination gas control; ThAT DOES NOT REquIRE 110 vAC TO OPER; Label all wires prior to disconnection when servicing controls.
86D0024 21 FP2009MJ wiring diagram FP2009 Motor ELECTRICAL WIRING (MILLIVOLT) The Millivolt valve is a self-powered combination gas control ThAT DOES NOT REquIRE 110 vAC TO OPER - ATE. Figure 16 - Wiring Diagram CAUTION Label all wires prior to disconnection when servicing controls. wiring errors ca...
Page 22 - CONNECTING REMOTE RECEIVER; A. COMPLETE MILLIvOLT SYSTEM ChECk; in wall or other location outside the fireplace.; NOTICE
22 86D0024 ELECTRICAL WIRING (MILLIVOLT) CONNECTING REMOTE RECEIVER 1. Set remote receiver. See instructions included in receiver kit. 2. Connect the two (2) 1/4" female connectors to the TP/TH and TH terminals on the control valve. 3. C o n n e c t t h e f o u r - p i n connector from the valve...
Page 23 - PLACE ROCk wOOL; in front of the rear deflector shield; LOG PLACEMENT; Before you begin; • Use only rock wool
86D0024 23 PLACE ROCk wOOL Before installing logs, place rock- wool in dime size pieces evenly over small burner ports starting in front of the rear deflector shield towards the front. Avoid placing rock wool over the slots on rear and right side of burner and on large yellow flame ports on front of...
Page 24 - Place log #8 on right bracket next to
24 86D0024 LOG PLACEMENT LG553MJ127 log 810/08 Log #8 LG553 Figure 20 - Install Log #8 1. Place log #8 on right bracket next to valve by sliding grooves on sides of log into cutout on brackets. Figure 20 LG554MJ127 log 110/08 Log #1 LG554 Figure 21 - Install Log #1 2. Place log #1 by setting the log...
Page 26 - PLACE FLICkERING EMBERS; Figure 28 - Place Flickering Bright Embers; third right tong on the grate as shown
26 86D0024 PLACE FLICkERING EMBERS Place flickering bright embers (FBE-1G) after placing logs on burner. Pull apart into small strands and place on top of existing rock wool in front of and between front logs where they can be seen. Try to avoid stacking these embers on top of each other. Use smalle...
Page 27 - ANDIRON and ROCK INSTALLATION; ANDIRON INSTALLATION; Bolts; Assembly Instructions; Affix bracket to andiron using 2; PLACING ThE DECORATIvE ROCk; few hours to vent the odor.
86D0024 27 ANDIRON and ROCK INSTALLATION ANDIRON INSTALLATION 2, Andirons 2, Brackets 2, 2 1 / 4 Bolts Assembly Instructions 1. Affix bracket to andiron using 2 1 / 4 bolts. Figure 29 2. The andiron bracket clips over the lower horizontal grate bar. Figure 30 3. The left andiron goes to the left of ...
Page 28 - FLAME APPEARANCE; Figure 31 - Correct Appearance of Pilot Flame
28 86D0024 FP2015pilot flame wrong FLAME APPEARANCE Figure 31 - Correct Appearance of Pilot Flame Figure 32 - Incorrect Appearance of Pilot Flame Thermocouple for LP Thermocouple for Natural Flames from the pilot and burner should be visually checked as soon as the heater is installed. In addition, ...
Page 29 - Burner will have a random pattern of yellow flames as shown in; OPERATING INSTRuCTIONS; Avoid any drafts that alter burner flame patterns.; Do not allow fans to blow directly into the; CHECKING THE BURNER FLAME
86D0024 29 LG551 MJ log flames LG551 In normal operation at full rate after 15 minutes, the following flame appearances should be observed: Figure 33 - Correct Burner Flame Appearance Burner will have a random pattern of yellow flames as shown in Figure 33. There should be glow- ing embers on the fr...
Page 30 - WHAT TO DO IF YOU SMELL GAS:; • If you cannot reach your gas supplier, call the fire department.; FOR YOUR SAFETY READ BEFORE LIGHTING; If you do not follow these instruction
30 86D0024 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 32. B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier tha...
Page 31 - should ignite in the Max. Height Setting.; Millivolt CONTROL LIGHTING INSTRUCTIONS; TO TURN OFF GAS TO HEATER; Turn control knob clockwise
86D0024 31 FP2017pilot 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 inst...
Page 32 - CLEANING AND SERVICING; recommended to prevent malfunction and/or sooting.; • Do not use cleaning fluid to clean logs or any part of heater.; Refer to parts diagram for location of items; brush or pipe cleaners.; Turn off heater and allow to cool before; soap and water. Refer to manual for correct log placement.; MATCH LIGHTING INSTRUCTIONS
32 86D0024 OPERATING INSTRuCTIONS / 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. PERIODIC CLEANING - Refer to parts diagram for location of items discussed below. • Do...
Page 33 - Note: All troubleshooting items are listed in order of operation.; TROUBLESHOOTING; OBSERvED PROBLEM POSSIBLE CAuSE; Turn appliance OFF and allow to cool before
86D0024 33 Note: All troubleshooting items are listed in order of operation. TROUBLESHOOTING W ARNING OBSERvED PROBLEM POSSIBLE CAuSE REMEDY When ignitor button is pressed, there is no spark at ODS/pilot. 1. Ignitor electrode positioned wrong. 1 Replace ignitor. 2. Ignitor electrode is broken. 2. Re...
Page 34 - gas supplier immediately.; Burner backfires during
34 86D0024 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. W ARNING OBSERvED PROBLEM POSSIBLE CAuSE REMEDY ODS/pilot lights, ...
Page 35 - Item Description; ODS Pilot Assembly; REPLACEMENT PARTS; failure to use only parts specifically
86D0024 35 1 2 3 4 5 6 7 8 0024 MJ parts MJ27NR MJ27PR Item Description qty. Natural Propane 1. Burner 1 86D0017 86D0018 2. Control Valve 1 20H2081 20H2082 3. ODS Pilot Assembly 1 14D0473 14D0473 4. Piezo Igniter 1 14D0503 14D0503 5. Piezo Wire 1 00K0632 00K0632 6. Pilot Regulator 1 14D0469 -- 7. Th...
Page 36 - LOGS; REPLACEMENT PARTS LIST; REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER.; 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
36 86D0024 8 Item Description qty. MJ27 1. Log #1 1 75D0536 2. Log #2 1 75D0537 3. Log #3 1 75D0538 4. Log #4 1 75D0539 5. Log #5 1 75D0540 6. Log #6 1 75D0541 7. Log #7 1 75D0542 8. Log #8 1 86D0019 LOGS REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER. F a i l u r e t o...
Page 37 - MASSAChUSETTS RESIDENTS ONly:
86D0024 37 NOTE REGARDING VENTED PRODUCTS This product must be installed by a licensed plumber or gas fitter 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 fireplace or vented...
Page 38 - NOTES
Page 39 - LIMITED LIFETIME wARRANTY POLICY; LIFETIME WARRANTY; Vent Free Ceramic Fiber Logs and Aluminized Burners.; BASIC WARRANTY; warranty repair must be accompanied by a dated proof of purchase.
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 Burners. FIVE YEAR WARRANTY The following components are warranted for 5 yea...
Page 40 - MHSC
OCTOBER 2008 86D0024 • Rev. 1 MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.com