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125311-01A

14

OPERATION 

in the safety information, column 1. If you 

don’t smell gas, go to the next step.

6. 

Thermostat  Models:

 Turn control knob 

counterclockwise 

  to  the  PILOT 

position. Press in control knob for five (5) 

seconds. 

 

Manual Models:

 Press in and turn control 

knob counterclockwise 

 to the PILOT 

position. Keep control knob pressed in for 

five (5) seconds. 

7.  With control knob pressed in, push down 

and release ignitor button. This will light 

pilot. The pilot is attached to the front of 

burner.  Note: You  may  be  running  this 

heater for the first time after hooking up to 

gas supply. If so, you may need to press 

in control knob for 30 seconds or more. 

This will allow air to bleed from the gas 

system. If needed, keep pressing ignitor 

button until pilot lights. If ignitor does not 

light pilot, refer to 

Troubleshooting

, page 

18 or contact a qualified service person 

or gas supplier for repairs. Until repairs 

are made, light pilot with match. To light 

pilot  with  match,  see 

Manual  Lighting 

Procedure

, page 16.

8.  Keep control knob pressed in for 30 sec

-

onds after lighting pilot. After 30 seconds, 

release control knob.

 

• If control knob does not pop out when 

released, contact a qualified service per

-

son or gas supplier for repairs.

 

Note:  If  pilot  goes  out,  repeat  steps  4 

through  7.  Wait  one  (1)  minute  before 

lighting pilot

9.  Turn control knob counterclockwise 

 

to desired heating level. The main burner 

should  light.  Manual  control  heaters 

should be used in locked positions.

Figure 20 - Control Knob in the OFF 

Position for Thermostat Models

Figure 19 - Control Knob in the OFF 

Position for Manual Control Models

FOR YOUR SAFETY 

READ BEFORE LIGHTING

 WARNING: If you do not fol-

low these 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 IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electric 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.

C.  Use only your hand to push in or turn the 

gas control knob. Never use tools. If the 

knob will not push in or turn by hand, don’t 

try to repair it, call a qualified service tech

-

nician or gas supplier. Force or attempted 

repair may result in a fire or explosion.

D.  Do not use this appliance if any part has 

been  under  water.  Immediately  call a 

qualified 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

1.  STOP!  Read  the  safety  information 

above.

2.  Make  sure  equipment  shutoff  valve  is 

fully open.

3.  Turn off any electric power to the appli

-

ance if service is to be performed.

4.  Turn control knob clockwise 

 to the 

OFF position.

5.  Wait five (5) minutes to clear out any gas. 

Then  smell  for  gas,  including  near  the 

floor. If you smell gas, STOP! Follow “B” 

Control 

Knob

O

OT

 

Control 

Knob

Summary of Contents for GWRN18C

Page 1: ...e 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 for future reference UNVENTED VENT FRE...

Page 2: ... 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 14 Inspecting Heater 17 Cleaning and Maintenance 17 Specifications 18 Troubleshooting 19 Parts 22 Accessorie...

Page 3: ...huts off do not relight until you provide fresh outside air If heater keeps shutting off have it serviced 9 Do not run heater where flammable liquids or vapors are used or stored under dusty conditions 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: ... fitter in the Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplemental room 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 packagi...

Page 5: ...nusually 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 out side atmosphere have a continuous water vapor retarder with a rating of on...

Page 6: ...__ Btu Hr maximum can support ________ Btu Hr actual amount used Example 51 200 Btu Hr maximum the space can support 60 000 Btu Hr actual amount of Btu Hr used AIR FOR COMBUSTION AND VENTILATION Continued The space in the example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows...

Page 7: ... your primary heat source WARNING A qualified ser vice person must install heater Follow all local codes WARNING This appliance is equipped for either natural gas or propane LP gas but not both Gas typeisindicatedontheratingplate Field conversion is not permitted CHECK GAS TYPE Use only the correct gas type natural or propane LP for your unit If your gas supply is not correct do not install heater...

Page 8: ...may discolor walls or cause odors Figure 4 Mounting Clearances As Viewed From Front of Heater Figure 5 Attaching Thermostat Sensing Bulb INSTALLATION Continued Minimum From Sides Of Heater 2 5 1 cm FLOOR CEILING 36 91 5 cm Minimum Minimum To Top Surface Of Carpeting Tile Or Other Combustible Material Left Side Right Side 10 25 4 cm 36 91 5 cm Clip Thermostat Sensing Bulb IMPORTANT Vent free heater...

Page 9: ...onry Decide which method better suits your needs Either method will provide a secure hold for the mounting bracket Marking Screw Locations 1 Tape mounting bracket to wall where heater will be located Make sure mount ing bracket is level WARNING Maintainminimum clearances shown in Figure 8 If youcan providegreaterclearanc es from floor and joining wall 2 Mark screw locations on wall see Figure 8 No...

Page 10: ...Bottom Mounting Screws 1 Locate two bottom mounting holes These holes are near bottom on back panel of heater see Figure 12 2 Mark screw locations on wall 3 Remove heater from mounting bracket 4 If installing bottom mounting screws into hollow or solid wall install wall anchors Follow steps 1 through 4 under Attaching To Wall Anchor Method If installing bottom mounting screw into wall stud drill h...

Page 11: ...tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 15 page 12 Mounting Base Feet to Floor 1 Remove front panel see Removing Front Panel of Heater page 9 2 Position heater with base feet in desired location Mark holes for drilling Remove heater with base 3 For carpeted floors make a small cut with a sharp knife at marked locations prior to drillin...

Page 12: ...vent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves Tee Pipe Cap Joint Nipple Tee Joint Reducer Bushing to 1 8 NPT 1 8 NPT Plug Tap Pressure Regulator Test Gauge Connection Heater Cabinet Sediment Trap 3 Min Natural Gas From Gas Meter 7 W C to 10 5 W C Pressure Propane LP From External Regulator 11 W C to 14 W C Pressure Regulator Bracket Ground Jo...

Page 13: ... meter for natural gas or using compressed air 3 Check all joints from gas meter for natural gas see Figure 17 or propane LP supply to equipment shutoff valve see Figure 18 Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Figure 16 Figure 17 Checking Gas Joints ...

Page 14: ... for Thermostat Models Figure 19 Control Knob in the OFF Position for Manual Control Models FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these 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 ...

Page 15: ... the desired heating level The main burner should light Set control knob to any heat level between 1 and 5 see Figure 23 Figure 22 Burner Patterns for Manual Control Models Figure 23 Burner Patterns 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 3 Close equipment shutoff valve see Figure 16...

Page 16: ... WARNING Blower acces sory must be grounded Blower comes with a three prong grounding plug as shown in Figure 24 The plug is your protection against electrical shock Plug it into a standard three hole grounded outlet If cordneedsreplacing useonlya cordwithathree prong ground ing plug CAUTION Label all wires prior to disconnection when servicingcontrols Wiringerrors cancauseimproperanddanger ous op...

Page 17: ...shown in Figure 29 turn heater off see To Turn Off Gas to Ap pliance page 15 see Troubleshooting page 18 Cleaning and Maintenance Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 26 shows a correct pilot flame pattern Figure 27 shows an incorrect pilot flame pat tern The incorrect pilot flame is not touching the thermocouple This will cause the thermocouple to c...

Page 18: ... Setting 6 W C Inlet Gas Pressure in of water Maximum 10 5 W C Minimum 7 W C GWRN30TC VSHRN30T Natural Gas Only 30 000 Btu h Pressure Regulator Setting 6 W C Inlet Gas Pressure in of water Maximum 10 5 W C Minimum 7 W C GWRN18C VSHRN18M Natural Gas Only 6 600 12 000 18 000 Btu h Pressure Regulator Setting 6 W C Inlet Gas Pressure in of water Maximum 10 5 W C Minimum 7 W C GWRN30C VSHRN30M Natural ...

Page 19: ... Gas regulator setting is not correct 1 Not enough combustion ventilation air OBSERVED PROBLEM When ignitor button is pressed in there is no spark at ODS pilot Whenignitorbuttonispressed in thereisasparkatODS Pilot but no ignition Moisture condensation no ticed on windows REMEDY 1 Replace pilot assembly 2 Replace pilot assembly 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal...

Page 20: ...ice 1 Clean burner see Cleaning and Maintenance page 18 or replace burner orifice 2 Replace damaged burner 3 Replace gas regulator 1 Replace burner 2 Contact local natural or pro pane LP gas company 3 Turn control knob until it locks at desired setting 1 Problem will stop after a few hours of operation 1 This is normal with most heat ers If noise is excessive con tact qualified service person POSS...

Page 21: ...eCleaning and Maintenance page 17 1 Ventilate room Stop using odor causing products while heater is running 2 Refill supply tank 3 Locate and correct all leaks see Checking Gas Connec tions page 12 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 tion...

Page 22: ...6C GWRn30C GWRP16TC GWRn18TC GWRP26TC GWRn30TC VSHRP16M VSHRP16T VSHRN18M VSHRN18T VSHRP26M VSHRP26T VSHRN30M and VSHRN30T 11 8 5 6 7 4 3 1 2 16 10 12 13 9 17 14 15 19 18 20 Replacement may vary from grill shown See page 24 See Pages 24 and 25 Actual part may vary from illustration ...

Page 23: ...Sheild 1 10 111421 01 Snap Bushing 1 11 107889 01 Base Feet 2 12 099415 18 Gas Regulator LP 1 099415 19 Gas Regulator NG 1 13 104819 02 Regulator Bracket 1 14 098522 24 Thermostat Gas Valve 1 15 102394 02 T stat Valve Mounting Bracket 1 16 103256 02 Inlet Tube 1 17 118721 03 Upper Baffle 1 118721 04 Upper Baffle 1 18 098462 01 Control Rod Assembly 1 19 098325 01 Roll Pin 1 20 098354 03 Control Kno...

Page 24: ...630 03 ODS Pilot NG 1 2 098200 03 Control Valve Bracket 1 3 105051 01 Pilot Tubing 1 4 099218 08 Burner 1 5 098508 01 Valve Retainer Nut 1 6 099056 24 Orifice Plaque A 1 2 099056 25 Orifice Plaque A 1 2 7 099056 01 Orifice Plaque B 1 099056 02 Orifice Plaque B 1 8 103844 01 Control Valve 1 9 103352 03 Tubing Valve to Plaque 1 10 103352 04 Tubing Valve to Plaque 1 11 107660 01 Tube Inlet 1 G W R P ...

Page 25: ...QTY 1 120630 02 ODS Pilot LP 1 120630 03 ODS Pilot NG 1 2 098200 03 Control Valve Bracket 1 3 105050 02 Pilot Tubing 1 4 099218 09 Burner 1 5 098508 01 Valve Retainer Nut 1 6 099056 24 Orifice Plaque A or C 2 099056 25 Orifice Plaque A or C 2 7 099056 01 Orifice Plaque B 1 099056 02 Orifice Plaque B 1 8 100747 01 Control Valve 1 9 107660 03 Inlet Tube 10 103844 01 Tubing Valve to Plaque 1 11 10335...

Page 26: ...218 08 Burner 1 5 099056 24 Orifice Plaque A 1 2 099056 25 Orifice Plaque A 1 2 6 099056 01 Orifice Plaque B 1 099056 02 Orifice Plaque B 1 G W R P 1 6 T C V S H R P 1 6 T G W R N 1 8 T C V S H R N 1 8 T KEY NO PART NO DESCRIPTION QTY 1 120630 02 ODS Pilot LP 1 120630 03 ODS Pilot NG 1 2 099387 3 Pilot Tubing 1 3 104818 04 Outlet Tubing Valve to Burner 1 4 099218 08 Burner 1 5 099056 24 Orifice Pl...

Page 27: ...overage for parts replaced under warranty Contact authorized dealers of this product If they can t supply original replacement part s call FMI PRODUCTS LLC at 1 866 328 4537 When calling have ready your name your address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas purchase date Usually we will ask you to return the part to the fa...

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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