Monessen Hearth MJ22NIF/PIF Installation & Owner'S Manual Download Page 45

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

NOTE REGARDING VENTED PRODUCTS

This product must be installed by a licensed plumber or 

gas fitter when installed within the Commonwealth of 

Massachusetts.
Any residence with a direct vent product must have a carbon 

monoxide (CO) detector installed in the residence.
Installation of the fireplace or vented gas log in the State 

of Massachusetts requires the damper to be permanently 

removed or welded in the fully open position.
In addition, a naturally vented gas log may not be installed in a 

bedroom or bathroom in the State of Massachusetts.
Flex line installation must not exceed 36 inches and must have 

a T shutoff valve. 

NOTE REGARDING VENT FREE PRODUCTS

This product must be installed by a licensed plumber or 

gas fitter when installed within the Commonwealth of 

Massachusetts.
In addition, vent free products may not be installed in a 

bedroom or bathroom regardless of size or type in the State of 

Massachusetts.
Flex line installation must not exceed 36 inches and must have 

a T shutoff valve.

CARBON MONOXIDE DETECTOR REQUIREMENTS

(2) Revise 10.8.3 by adding the following additional 

requirements:
(a)  For all side wall horizontally vented gas fueled equipment 

installed in every dwelling, building or structure used in whole 

or in part for residential purposes, including those owned 

or operated by the Commonwealth and where the side wall 

exhaust vent termination is less than seven (7) feet above 

finished grade in the area of the venting, including but not 

limited to decks and porches, the following requirements shall 

be satisfied:

1. 

Installation of carbon monoxide detectors. 

At the time 

of installation of the side wall horizontal vented gas fueled 

equipment, the installing plumber or gas fitter shall observe 

that a hard wired carbon monoxide detector with an alarm and 

battery back-up is installed on the floor level where the gas 

equipment is to be installed. In addition, the installing plumber 

or gas fitter shall observe that a battery operated or hard wired 

carbon monoxide detector with an alarm is installed on each 

additional level of the dwelling, building or structure served 

by the side wall horizontal vented gas fueled equipment. It 

shall be the responsibility of the property owner to secure the 

services of qualified licensed professionals for the installation 

of hard wired carbon monoxide detectors
 

a.  In the event that the side wall horizontally vented gas 

fueled equipment is installed in a crawl space or an attic, the 

hard wired carbon monoxide detector with alarm and battery 

back-up may be installed on the next adjacent floor level.
 

b.  In the event that the requirements of this subdivision 

can not be met at the time of completion of installation, the 

owner shall have a period of thirty (30) days to 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. 

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 certified.

3. 

Signage.

 A metal or plastic identification plate shall 

be permanently mounted to the exterior of the building at a 

minimum height of eight (8) feet above grade directly in line 

with the exhaust vent terminal for the horizontally vented gas 

fueled heating appliance or equipment. The sign shall read, in 

print size no less than one-half (1/2) inch in size, “GAS VENT 

DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.”

4. 

Inspection.

 The state or local gas inspector of the 

side wall horizontally vented gas fueled equipment shall not 

approve the installation unless, upon inspection, the inspector 

observes carbon monoxide detectors and signage installed 

in accordance with the provisions of 248 CMR 5.08(2)(a)1 

through 4.
(b) 

Exemptions:

 The following equipment is exempt from 248 

CMR 5.08(2)(a)1 through 4:

1. The equipment listed in Chapter 10 entitled "Equipment 

Not Required To Be Vented" in the most current edition of 

NFPA 54 as adopted by the Board; and

2. Product Approved side wall horizontally vented gas fueled 

equipment installed in a room or structure separate from the 

dwelling, building or structure used in whole or in part for 

residential purposes.
(c)  

Manufacturer requirements — Gas Equipment Venting 

System Provided.

 

When the manufacturer of Product 

Approved side wall horizontally vented gas equipment provides 

a venting system design or venting system components with 

the equipment, the instructions provided by the manufacturer 

for installation of the equipment and the venting system shall 

include:

1. Detailed instructions for the installation of the venting 

system design or the venting system components; and

2. A complete parts list for the venting system design or 

venting system.
(d) 

Manufacturer requirements — Gas Equipment Venting 

System Not Provided. 

When the manufacturer of a Product 

Approved side wall horizontally vented gas fueled equipment 

does not provide the parts for venting the flue gases, but 

identifies “special venting systems,” the following requirements 

shall be satisfied by the manufacturer:

1. The referenced "special venting system" instructions 

shall be included with the appliance or equipment installation 

instructions; and

2. The “special venting systems” shall be Product Approved 

by the Board, and the instructions for that system shall include 

a parts list and detailed installation instructions.
(e)  A copy of all installation instructions for all Product 

Approved side wall horizontally vented gas fueled equipment, 

all venting instructions, all parts lists for venting instructions, 

and/or all venting design

Please read and follow these special requirements

B.  Massachusetts Residents Only

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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