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VENT FREE GAS LOG SET 

Owner’s Operation and Installation Manual

WARNING: If the information in this manual
is not followed exactly, a re or explosion
may result causing property damage,
personal injury, or loss of life.

— Do not store or use gasoline or other

ble vapors and liquids in the

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t

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ny other appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.
• Do not touch any electrical switch; do

 not use any phone in your building.

• Immediately call your gas supplier

from a neighbor’s phone. Follow the
gas supplier’s instructions.

• If you cannot reach your gas supplier,

rtment.

— Installation and service must be

performed by a qualified installer,
service agency, or the gas supplier.

This is an unvented

heater. It uses

air (oxygen) from the room in which it is
installed. Provisions for adequate combus-
tion and ventilation air must be provided.
Refer to page 4, Air for Combustion and
Ventilation.

INSTALLER: Leave this manual with the
appliance.
CONSUMER: Retain this manual for future
reference.

This appliance may be installed in an
aftermarket,* permanently located, manu-
factured (mobile) home, where not prohib-
ited by local codes.
This appliance is only for use with the type of
gas indicated on the rating plate. This app-
liance is not convertible for use with other
gases.

* Aftermarket: Completion of sale, not for purpose of resale, from
the manufacturer

Thisappliancehasbeentestedandapproved

under ANSI Z21.11.2–2011 Unvented Gas-

Fired Room Heaters.

WARNING: This appliance is for installation
only in a solid fuel burning masonry or UL127
factory-built fireplace or listed ventless fire-
box enclosure. It has been design certified for
these installations. EXCEPTION: DO NOT in-
stall this appliance in a factory-built fireplace
that includes instruction stating it has not
been tested or should not be used with un-
vented gas logs.

(S,B)VFM18NG
(S,B)VFM18LP
(S,B)VFM24NG
(S,B)VFM24LP

 Also Design-Certified As Vented Decorative Appliances

(S,B)IVFMV18NG
(S,B)IVFMV18LP
(S,B)IVFMV24NG
(S,B)IVFMV24LP

ANSI Z21.11.2 - 201

1

  Unvented Heaters

ANSI Z21.60 - 2012

Vented Decorative Appliances

Summary of Contents for IVFMV18LP

Page 1: ...his manual with the appliance CONSUMER Retain this manual for future reference This appliance may be installed in an aftermarket permanently located manu factured mobile home where not prohib ited by local codes This appliance is only for use with the type of gas indicated on the rating plate This app liance is not convertible for use with other gases Aftermarket Completion of sale not for purpose...

Page 2: ...etect a gas leak odor added to gas can fade Make certain you read and understand all warnings Keep manual forreference It isyourguide tosafe andproper WARNING An change to thi heater or it control ca e dangerou WARNING Do not allow to low directl intotheappliance Avoidan draft that alter urner Ceiling can create that alter urner Altered urner can WARNING Do not a lower rt heat exchanger rt or othe...

Page 3: ...prop erly This appliance has an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the if not enough fresh air is available See Air for Combustion and Ventilation pages 4 through 6 If appliance keeps shutting off see Troubleshooting pages 17 through 20 11 Do not run appliance where flammable liquids or vapors are used or stored under dusty conditions 12 Do not use this appliance...

Page 4: ... controlled models have a thermostat sensing bulb and a control valve The thermostat will automatically modulate the heat output to maintain a consistent room temperature This results in greater heater comfort This can also result in lower gas bills PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilati...

Page 5: ... to the outdoors or spaces open to the s e c a p s l w a r c d n a s c i t t a e d u l c n i s e c a p s e s e h T s r o o d t u o Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent He...

Page 6: ...the required volume for indoor combustion air combustion and ventilation air shall be provided by one of the methods described intheNationalFuelGasCode ANSIZ223 1 NFPA 54 the International Fuel Gas Code or applicable local codes CONTINUED VENTED OPERATION When used as a vented heater appliance must be installed only in a solid fuel burning fireplace with a working flue and constructed of noncombus...

Page 7: ...oil or kerosene lamps etc in the air exist may discolor walls IMPORTANT Vent free heaters add moisture to the air Although this is installing in rooms without enough ventilation air may mildew to form from too much moisture See Air for Combustion and Ventilation page 4 CHECK GAS TYPE Use the gas type natural or propane LP for your If your gas supply is not or if you do not know your gas do not ins...

Page 8: ...r For propane LP gas the installer must supply an external regulator The external regulator will reduce incoming gas pressure Youmustreduceincominggaspressuretobetween 11 and 14 of water If you do not reduce incoming gas pressure heater regulator damage could occur Install the external regulator with the vent pointing down as shown in Figure 4 Pointing thevent down protects it from freezing rain o...

Page 9: ...at you install a sediment trap in supply line as shown in Figure 5 Locate sediment trap where it is within reach for cleaning Install in piping system between fuel supply and appliance Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into appliance gas controls If sediment trap is not installed or is instal...

Page 10: ... Set page 15 INSTALLATION Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 6 2 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter of natural gas or using compressed air 3 Check all joints from gas meter to equipment shutoff valve for natural gas or p...

Page 11: ...Figure 7 Log Placement Savannah Oak 18 11 ...

Page 12: ...Figure 8 Log Placement Savannah Oak 24 and 30 ...

Page 13: ...Log Placement CVO 18 24 30 MV 18 24 VFM And OVM21 13 Figure 9 Log Placement CVO MV and OVM ...

Page 14: ...r may r re o r explosion D Do not use this appliance if any part has been under wat er Immediately call a service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If If you t h with doo lo d will u gl tobu t M k u th noob t u t You with fi l n in l M k u fi l NOTICE Du inginiti lo tionof o...

Page 15: ... supply If so the control knob may need to be pressed in for thirty 30 seconds or more This will allow air tobleed from the gas system person or gas supplier for repairs Until repairs are made light pilot with a match To light pilot with a match see Manual Lighting Procedure this page col umn 2 7 Figure 10 Control Knob and Ignitor Button Location Note Appearance of pilot assembly may vary by model...

Page 16: ...call a service techn ician or s a g supplier Force or attempted repair may r re o r explosion D Do not use this appliance if any part has been under wat er Immediately call a service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If If you t h t with doo lo d will u gl tobu t M k u th no...

Page 17: ...ress and release the ignitor button This will light pilot The pilot is attached Note If pilot does not light no spark contact a qual person or gas supplier for repairs Until re with match see Manual Lighting Procedure page 15 8 Keep control knob pressed in for30 seconds afterlighting pilot After 30 seconds release control knob If control knob does not pop out when released contact a quali ed s per...

Page 18: ... transmitter The System has an auto matic learning mode that allows the receiver to mate with a new transmitter in the event that the transmitter must be replaced As soon as the receiver detects the first correct command from any compatable remote control it captures the new address and then beeps 3 times to con firm the synchronization programming Side Slide Switch ON OFF Key Note BACKUP FUNCTION...

Page 19: ...f heater and let cool Remove blockage Blocked burner ame holes will create soot MAIN BURNER BURNER FLAME PATTERN Figure 19 shows the correct burner flame patern Figure 20 shows the incorrect burner flame patern turn Gas Log Set off see Turning OFF the Ap pliance page 15 see Cleaning and Maintenance this page see Troubleshooting page 22 CLEANING AND MAINTENANCE WARNING Turn off Gas Logs and let CAU...

Page 20: ... See Fig 21 See Fig 22 Figure 22 Pilot Inlet Air Hole 19 ...

Page 21: ...19 19 19 19 19 19 18 ...

Page 22: ...22 ...

Page 23: ...MH 120 TCLOT18 RMH 120 TCLOT24 RMH 120 TCLOT24 10 1 Knob Control Valve RMH 120 00558A B RMH 120 00558A B RMH 120 00558A B 11 1 Gas Regulator NG RMH 120 00214 RMH 120 00214 RMH 120 00214 11 1 Gas Regulator LP RMH 120 00213 RMH 120 00213 RMH 120 00213 12 1 Adaptor Regulator RMH 120 00030A RMH 120 00030A RMH 120 00030A 13 1 Elbow 25 FNPT X 5625 Flare RMH 120 00032 RMH 120 00032 RMH 120 00032 14 1 Elb...

Page 24: ...NG RMH 120 SP033 RMH 120 SP3MM RMH 120 SP3MM 8 1 Orifice LP RMH 120 SP051 RMH 120 SP049 RMH 120 SP049 9 1 Orifice Tube Main Burner RMH 120 09003 RMH 120 09003 RMH 120 09003 9 1 Orifice Tube Main Burner RMH 120 09004 RMH 120 09004 RMH 120 09004 10 1 Elbow 375 MNPT X 375 Flare RMH 120 00062 RMH 120 00062 RMH 120 00062 11 1 Adapter 375 MNPT X 5625 Flare RMH 120 00050 RMH 120 00050 RMH 120 00050 12 1 ...

Page 25: ...national s Technical Service Department at 800 229 5647 When calling please have your model and serial numbers of your heater ready You can also visit SHM International s Technical Service web site at www sureheat com SERVICE INFORMATION SPECIFICATIONS Model VFM18NG Gas Type Input Max Input Min Manifold Pressure Inlet Pressure Max Inlet Pressure Min Min Firebox Size Natural Gas Natural Gas Propane...

Page 26: ...NOTES ...

Page 27: ...NOTES ...

Page 28: ...ts not approved by SHM International Corp corrosion rust or discoloring of any kind use or installation contrary to instructions and applicable building codes including heating the n cause considerable warping disassembly including removal of the product from a built in installation damage resulting from accident alteration misuse abuse hostile environments or improper installation repair or alter...

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