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For more information, visit www.fmiproducts.com

 

WARNING: 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.
—  Do  not  store  or  use  gasoline  or  other   flammable 

vapors and liquids in the  vicinity of this or any 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, call the fire 

department.

—  Installation and service must be performed by a quali

-

fied installer, service agency or the gas supplier.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

UNVENTED (VENT-FREE) BLUE FLAME GAS HEATER

SAFETY INFORMATION AND INSTALLATION MANUAL

MODELS

GWN20TC, GWP20TC,  

GWN30TC, GWP30TC,  

VSHN20T, VSHP20T,  

VSHN30T, VSHP30T

PFS

®

US

Summary of Contents for GVP30TC

Page 1: ...t touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual...

Page 2: ...hese include pregnant women people with heart or lung disease or anemia those under the influ ence of alcohol and those at high altitudes Safety TABLE OF CONTENTS Safety 2 Local Codes 4 Product Identification 4 Unpacking 4 Product Features 4 Air For Combustion and Ventilation 5 Installation 7 Operation 15 Inspecting Heater 17 Cleaning and Maintenance 18 Troubleshooting 19 Specifications 23 Replace...

Page 3: ...g furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furni ture 10 Do not use heater if any part has been under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control whi...

Page 4: ...oom heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit Vent free gas products are prohibited for bedroom and bathroom installation in the Commonwealth of Massachusetts Product Identification Unpacking 1 Remove heater from carton 2 Remove all protective packaging applied to heater for shipment 3 Check heater for any shipping damage If heater is damaged call FMI PRODU...

Page 5: ...on Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of un usually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where a walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of...

Page 6: ...IR FLOW FOR Heater LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height _________...

Page 7: ...ttic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent AIR FOR COMBUSTION AND VENTILATION Continued Figure 2 Ventilation Air from Inside Building Figure 3 Ventilation Air from Outdoors Installation NOTICE Thisheater isintended for use as supplemental heat Use this heater along with your primary heating system Do not install this heater as yo...

Page 8: ...age 16 INSTALLATION ITEMS Before installing heater make sure you have the items listed below for propane LP gas external regulator supplied by installer piping check local codes sealant resistant to propane LP gas equipment shutoff valve ground joint union sediment trap tee joint pipe wrench for natural gas test gauge connection hardware packet included wall anchor 4 095112 02 red key 1 095116 01 ...

Page 9: ...racket to attach bracket to wall These two holes are 14 35 6 cm apart from their cen ters Attach mounting bracket to wall in one of two ways 1 Attaching to wall stud 2 Attaching to wall anchor Attaching to Wall Stud This method pro vides the strongest hold Insert mounting screws through mounting bracket and into wall studs Attaching to Wall Anchor This method al lows you to attach mounting bracket...

Page 10: ...bracket to hollow walls wall areas between studs or solid walls concrete or masonry 1 Drill holes at marked locations using 5 16 drill bit For solid walls concrete or masonry drill at least 1 2 5 cm deep 2 Fold wall anchor as shown in Figure 9 3 Insert wall anchor wings first into hole Tap anchor flush to wall 4 For thin walls 1 2 1 3 cm or less insert red key into wall anchor Push red key to pop ...

Page 11: ...t 5 Replace heater onto mounting bracket 6 Place spacers between bottom mounting holes and wall anchor or drilled hole 7 Hold spacer in place with one hand With other hand insert mounting screw through bottom mounting hole and spacer Place tip of screw in opening of wall anchor or drilled hole 8 Tighten both screws until heater is firmly secured to wall Do not over tighten Note Do not replace fron...

Page 12: ...ter to allow proper gas vol ume to heater If pipe is too small undue loss of volume will occur Propane LP Supply Tank External Regulator with Vent Pointing Down Figure 13 Equipment Regulator with Vent Pointing Down Typical Inlet Pipe Diameters 16 18 000 Btu hr models 3 8 or greater 26 30 000 Btu hr models 1 2 or greater Installation must include equipment shutoff valve union and plugged 1 8 NPT ta...

Page 13: ...ated on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply a commercial leak detection solution to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fittings for leaks Figure 14 Gas Connection Tee Pipe Cap Joint Nipple Tee Joint Reducer Bushing...

Page 14: ...ak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Figure 15 2 For natural gas open main gas valve lo cated on or near gas meter For propane LP gas open propane LP supply tank valve 3 Make sure control knob of heater is in the OFF position 4 Check all joints from equipment shutoff valve to thermostat gas valve see Figure 16 or 17 Apply a nonco...

Page 15: ...instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO ...

Page 16: ...ols Wiringerrors cancauseimproperanddanger ous operation CAUTION Donotplugpower cord into electrical outlet until installation is complete Grounded Outlet Figure 20 Grounding Plug TO TURN OFF GAS TO APPLIANCE 1 Turn control knob clockwise to the OFF position 2 Turn off all electric power to the appliance if service is to be performed 2 Close equipment shutoff valve see Figure 15 page 13 Thermostat...

Page 17: ...take orange flames with yellow tipping Dirt or other fine particles enter the heater and burn causing brief patches of orange flame Figure 24 shows a correct burner flame pattern Figure 25 shows an incorrect burner flame pat tern The incorrect burner flame pattern shows yellow tipping of the flame It also shows the flame higher than 1 2 the glass panel height If burner flame pattern is incorrect a...

Page 18: ...pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could dam age the pilot assembly 1 Shut off unit including pilot A...

Page 19: ...4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP gas 6 ODS pilot is clogged 7 Gas regulator setting is not correct OBSERVED PROBLEM When ignitor button is pressed there is no spark at ODS pilot Whenignitorbuttonispressed in thereisasparkatODS Pilot but no ignition REMEDY 1 Replace pilot assembly 2 Replace pilot assembly 3 Reconnect ignitor cable 4 Free ignitor cable if pinched ...

Page 20: ...ntact local natural or propane LP gas company 1 Contact local natural or propane LP gas company 2 Clean burner see Cleaning and Maintenance page 18 or replace burner orifice 1 Clean burner see Cleaning and Maintenance page 18 2 Replace burner 3 Replace gas regulator POSSIBLE CAUSE 1 Control knob not fully pressed in 2 Control knob not pressed in long enough 3 Equipment shutoff valve not fully open...

Page 21: ...on 1 Turn heater off when using furniture polish wax carpet cleaners or similar products 1 Turn control knob to 1 posi tion and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see Figure 4 page 8 4 Clean burner see Cleaning and Maintenance page 18 or replace burner o...

Page 22: ... all leaks see Checking Gas Connec tions page 12 1 Open window and or door for ventilation 2 Contact local natural or pro pane LP gas company 3 Clean ODS pilot see Cleaning and Maintenance page 18 1 Locate and correct all leaks see Checking Gas Connec tions page 12 2 Replace control valve 1 Take apart gas tubing and remove foreign matter 2 Locate and correct all leaks see Checking Gas Connec tions...

Page 23: ...ration or troubleshooting If so contact FMI PRODUCTS LLC at 1 866 328 4537 When calling please have your model and serial numbers of your heater ready You can also visit our web site at www fmiproducts com Service Hints When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat propane LP gas supply may be low You may feel your ga...

Page 24: ...www fmiproducts com 125325 01A 24 Parts MODELS GWN20TC GWP20TC GWN30TC GWP30TC VSHN20T VSHP20T VSHN30T VSHP30T 20 10 7 1 15 17 2 3 5 6 8 9 10 11 12 13 14 16 18 19 25 25 4 22 21 23 24 18 19 ...

Page 25: ...m Glass Retainer 1 104189 02 Bottom Glass Retainer 1 6 098260 09 Glass 1 098260 10 Glass 1 7 Cabinet 1 8 107894 14 Deflector Assembly 1 107894 15 Deflector Assembly 1 9 098241 03 Ignitor Cable 1 10 098249 01 ODS Nut 2 11 120630 03 ODS Pilot NG 1 120630 02 ODS Pilot LP 1 12 103446 02 Burner 1 103447 06 Burner 1 13 099387 03 Pilot Tubing 1 14 103845 05 Orifice 1 103845 06 Orifice 1 103845 07 Orifice...

Page 26: ...tact your nearest Parts Central or call FMI PRODUCTS LLC at 1 866 328 4537 for information You can also write to the address listed on the back page of this manual Fan kit pp100 For all models Provides better heat distri bution Complete installation and operating instructions included Thermostatically controlled blower turns itself on and off as required ...

Page 27: ..._______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________...

Page 28: ...is product and or FMI PRODUCTS LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner Excluded ...

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