Monessen Hearth MJ22NIF/PIF Installation & Owner'S Manual Download Page 19

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Monessen  • Mojo Installation/Owner’s Manual  •  4623-900  Rev. D  • 04/21

Control Module Operation

1.  The control module has an ON/OFF/REMOTE selector 

switch that must be set.  See Figure 5.3. 

  OFF Position:  Appliance will ignore all power inputs and 

will not respond to any commands from a wall switch or 

remote.  The unit should be in the OFF position during 

installation, service, battery installation, fuel conversion, 

and in the event that the control goes into LOCK-OUT 

mode as a result of an error code. 

  ON Position:  Appliance will ignite and run continuously 

in  the  HI  flame  setting,  with  no  adjustment  in  flame 

output.  This mode of operation is primarily used for 

initial installation.

  REMOTE Position:   Appliance will initiate commands 

from an optional wired wall switch and/or the wireless 

remote (RC300).

2.  If using a wired wall switch with the module in REMOTE 

mode, the appliance will ignite and run continuously in 

the HI flame setting, with no adjustment in flame output. 

3.  The control module has safety feature that automatically 

shuts  down  the  heater  after  9  hours  of  continuous 

operation without receiving a command from the RC300 

remote.  

4.  If you intend to use both an optional wired wall switch 

and the RC300 remote control to operate your fireplace, 

the wall switch will override any commands given by 

the remote. 

5.  Battery life will be shortened if the flame adjustment 

feature is used frequently on the RC300 remote control.

6. 

Module Reset 

 

This  module  may  lock-out  under  certain  conditions.  

When  this  occurs,  the  appliance  will  not  ignite  or 

respond  to  commands.  The  module  will  go  into 

lock-out mode by emitting three audible beeps, then 

continuously displaying a RED/GREEN error code at 

its status indicator LED. 

•  Locate the module selector switch.  (See Figure 5.3).
•  Set the module selector switch to the OFF position.
•  Wait five (5) minutes to allow possible accumulated gas 

to clear.

•  Set  the  module  selector  switch  to  ON  or  REMOTE 

position.

•  Start the appliance.

WARNING! Risk of Explosion! DO NOT

 press the mod-

ule  reset  switch  more  than  one  time  within  a  five  min

-

ute time period. Gas could accumulate in firebox.  Call a 

qualified service technician.

Nine Hour Safety Shutdown Feature

The appliance has a safety feature that automatically 

shuts down the heater after nine hours of continuous 

operation without receiving a command from the wall 

switch or optional remote. 

Appliance ON/OFF

Use  the  IntelliFire®  Plus  with  ODS  Remote  Control  to 

control  the  ON/OFF  function  of  the  appliance.    Follow 

instructions included with the remote control.  If desired, 

a  wall  switch  may  be  installed  to  control  the  ON/OFF 

function of the appliance.  

C. Detailed Component Operating Instruc-

tions— IntelliFire® Plus with ODS (Bat-

tery Only)

Figure 5.3 Control Module

MODULE

NG/LP GAS-TYPE

SELECTOR SWITCH

STATUS

 INDICATOR LED

SELECTOR SWITCH

Summary of Contents for MJ22NIF/PIF

Page 1: ...PLOSION HAZARD 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...

Page 2: ...ormation A General Information 17 B Wiring Requirements 18 C Detailed Component Operating Instructions IntelliFire Plus with ODS Battery Only 19 6 Gas Log Sets A Place Rock Wool 20 B Log Placement 21...

Page 3: ...remain visible at all times on the appliance until the installation is complete This standard work checklist is to be used by the installer in conjunction with not instead of the instructions contain...

Page 4: ...dels Maximum Input BTU h Minimum Input BTU h Orifice MJ22NIF 0 2000 FT 29 000 21 000 38 MJ22PIF 0 2000 FT 28 000 23 000 52 MJ27NIF 0 2000 FT 38 000 27 000 32 MJ27PIF 0 2000 FT 37 000 29 000 1 9 mm GAS...

Page 5: ...ure Gloves Voltmeter Manometer Phillips screwdriver Safety glasses Flat blade screwdriver Soapy water solution for gas leak testing Electric drill and bits 1 4 in magnetic External regulator for propa...

Page 6: ...een design certified for these installations Exception DO NOT install this appliance in a factory built fireplace that includes instructions stating it has not been tested or should not be used with u...

Page 7: ...easing the ambient temperature inside the fireplace Placement of the receiver outside of the fireplace will extend the battery life Barriers such as the bottom of a glass door frame placed in front of...

Page 8: ...water vapor retarder with a rating of 1 perm 6 x 1011 kg per pa sec m2 or less with openings gasketed or sealed and b Weather stripping has been added to windows and doors and c Caulking or sealants...

Page 9: ...re This Distance Heater in Fireplace Firebox Figure 3 2 Measure Non Combustible Material Table A Non Combustible Material Requirements with No Mantel or Combustible Projection Non Combustible Material...

Page 10: ...ombustible Projection MJ22 MJ27 12 or more Hood not required Observe profiles side elevations shown in Figure 3 6 Hood not required Observe profile side elevations shown in Figure 3 6 8 or less than 1...

Page 11: ...21 2 at a minimum of 14 above the opening and a maximum of 6 at a minimum of 201 2 above the opening Figure 3 4 Minimum Mantel Clearance with No Hood MJ22 Non combustible Material Heater in Fireplace...

Page 12: ...r 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 Figure 3 8 Figure 3 7 Minimum Clearance above Combus...

Page 13: ...t resistant sealant Install and operate the appliance as directed in this manual Damper stop installation for vented application Adamper stop must be provided with the unit Contact your dealer to obta...

Page 14: ...p Anchor the engine assembly using the two 2 supplied 1 4 hex head fasteners through the holes previously drilled You must secure the gas log heater to the fireplace floor If not the entire unit may m...

Page 15: ...ter solution after completing connection DO NOT USE AN OPEN FLAME Check the gas pressure with the appliance burning and the control set to HIGH Use new black iron or steel pipe Internally tinned coppe...

Page 16: ...WARNING Risk of Fire or Explosion High pressure will damage valve Low pressure could cause explosion Verify inlet pressures Verify minimum pressures when other household gas appliances are operating...

Page 17: ...OT wire 110 120 VAC to the valve or to the appliance wall switch Incorrect wiring will damage controls NOTICE This appliance must be electrically wired and grounded in accordance with local codes or i...

Page 18: ...Diagram This appliance is equipped with an IntelliFire Plus with ODS control valve which operates on a 6 volt 1 5 AMP system Install 4AA cell batteries into the battery pack before use See Figure 5 1...

Page 19: ...e remote 5 Battery life will be shortened if the flame adjustment feature is used frequently on the RC300 remote control 6 Module Reset This module may lock out under certain conditions When this occu...

Page 20: ...or embellishments such as pine cones vermiculite or rock wool to the heater Only use rock wool supplied with the unit Failure to position the parts in accordance with diagrams below or to use only pa...

Page 21: ...the two pins located in the middle of the burner pan The log will set at a slight angle Figure 6 5 4 Place log 3 at an angle over log 2 toward the back by matching the rectangular notch on the bottom...

Page 22: ...over the metal bracket located to the left side of the burner Figure 6 9 LG548 MLDV log 6 Log 6 8 Place log 7 between the second and third right tong on the grate as shown in Figure 6 10 LG549 MLDV l...

Page 23: ...ms or bonding agents These chemicals are not harm ful but may produce annoying smoke and smells as they are burned off during the initial operation of the appliance possibly causing headaches or eye o...

Page 24: ...EXPLOSION HAZARD 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 I...

Page 25: ...ed for future reference We suggest that you keep it with your other important documents and product manuals The information contained in this owner s manual unless noted otherwise applies to all model...

Page 26: ...zed HHT dealer or distributor whichever occurs earlier However the Warranty coverage shall commence no later than 24 months following the date of Product shipment from HHT regardless of the installati...

Page 27: ...or handling devices such as exhaust fans or forced air furnaces or other such causes 6 use of fuels other than those specified in the operation instructions 7 installation or use of components not sup...

Page 28: ...stall an adjustable safety gate to keep toddlers young children pets and other at risk individuals out of the room and away from hot surfaces Install a switch lock or a wall remote control with child...

Page 29: ...21 11 2 Unvented Heaters latest edition and ANSI Z21 60 2012 CSA2 26 2012 12 Do not install the heaters in a bathroom or bedroom 13 Correct installation of the logs proper location of the heater and a...

Page 30: ...be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa 22 The appliance must be isolated from gas supply piping sy...

Page 31: ...L MJ22NIF PIF MJ27NIF PIF LABORATORY Underwriters Laboratories Inc UL TYPE Unvented Room Heater STANDARD ANSI Z21 11 2 2016 Unvented Application ANSI Z21 60 2017 CSA 2 26 2017 Decorative Gas Appliance...

Page 32: ...his label If you do not smell gas go to next step 3 To light the burner Equipped with wall switch Turn ON OFF switch to ON Equipped with remote or wall control Press ON or FLAME button Equipped with t...

Page 33: ...te room The remote control must be placed within 30 feet 9 14 m of the heater but should not be exposed to extreme heat The RC300 is approved for interior installation and should not be used in exteri...

Page 34: ...e Control Module CAUTION Risk of burns DO NOT program the remote control to the control module when heater is hot Verify the ON OFF REMOTE switch is in the REMOTE position Green LED light will blink t...

Page 35: ...select the current feature Use the UP and DOWN arrows to toggle through the menu functions and value selec tions in the submenus Idle When Remote is in ON Mode The remote control will go into an idle...

Page 36: ...ter will turn back on after the RT drops below the ST NOTICE The system requires a two degree Fahrenheit or higher temperature difference between RT and ST for the heater to turn on NOTICE The system...

Page 37: ...ned your gas log set will give you many years of trouble free service Contact your dealer to answer questions regarding proper operation trouble shooting and service for your appliance Visit www mon e...

Page 38: ...skin becomes irritated wash gently with soap and water Refer to manual for correct log placement Turn off heater and allow to cool before cleaning WARNING PERIODIC CLEANING Refer to parts diagram for...

Page 39: ...e is no noise or spark A Depleted batteries or batteries installed incorrectly Battery power supply voltage must be at least 4 9 volts If less than 4 9 volts replace batteries B A shorted or loose con...

Page 40: ...ut to metal chassis pilot burner pilot enclosure or screen if present or any other metal object B Poor flame rectification or contaminated flame sensing rod Verify correct pilot orifice is installed a...

Page 41: ...ler or distributor Stocked at Depot ITEM DESCRIPTION COMMENTS PART NUMBER 1 Log Support Assembly SRV4614 005 2 Burner Assembly SRV4614 001 Y 3 Grate Assembly SRV4614 004 4 Thermocouple Module SRV20303...

Page 42: ...S PART NUMBER 8 Nut 3 8 24 UNF 3 16 Tube SRV00F0077 9 Ferrule 3 16 Tube SRV00F0078 10 Pilot ODS NG SRV14D0473 Y Propane SRV14D0477 Y Venturi Gasket SRV45D0032 Y 11 Injector NG 38 SRV33D5040 Propane 52...

Page 43: ...or Stocked at Depot ITEM DESCRIPTION COMMENTS PART NUMBER 1 Log Support Assembly SRV4614 006 2 Burner Assembly SRV4614 003 Y 3 Grate Assembly SRV4614 007 4 Thermocouple Module SRV20303179 Y 5 Control...

Page 44: ...istributor Stocked at Depot ITEM DESCRIPTION COMMENTS PART NUMBER 8 Nut 3 8 24 UNF 3 16 Tube SRV00F0077 9 Ferrule 3 16 Tube SRV00F0078 10 Pilot ODS NG SRV14D0473 Y Propane SRV14D0477 Y Venturi Gasket...

Page 45: ...comply with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed MASSACHUSETTS RESIDENTS ONLY 2 Ap...

Page 46: ...Monessen Mojo Installation Owner s Manual 4623 900 Rev D 04 21 46 This Page Intentionally Left Blank...

Page 47: ...___________________________________ ________________________________________________________________________________ DO NOT DISCARD THIS MANUAL NOTICE Leave this manual with party responsible for use...

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