Desa GP30T GWN20 Operating Heater, Manual Control Models For Your Safety Read Before Lighting

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OPERATING HEATER (MANUAL CONTROL MODELS)

For Your Safety Read Before Lighting

Lighting Instructions

13

OPERATING HEATER

MANUAL CONTROL MODELS

FOR YOUR SAFETY READ

BEFORE LIGHTING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal 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 de- partment.

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 techni- cian 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.Press in and turn control knob clockwise to the OFF position.

4.Wait five (5) minutes to clear out any gas. Then smell for gas around heater and near the floor. If you smell gas, STOP! Follow “B” in the safety information above. If you don’t smell gas, go to the next step.

5.Press in control knob and turn counterclockwise to the PILOT position. Keep control knob pressed in for five (5) seconds (see Figure 19).

Note: You may be running this heater for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds or more. This will al- low air to bleed from the gas system.

If control knob does not pop up when released, contact a qualified service person or gas supplier for repairs.

6.With control knob pressed in, push down and release igni- tor button. This will light pilot. The pilot is attached to the front of burner. If needed, keep pressing ignitor button until pilot lights.

Note: If pilot does not stay lit, refer to Troubleshooting, pages 17 through 19. Also contact a qualified service per- son or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 14.

7.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.

Note: If pilot goes out, repeat steps 3 through 7.

8.Press in and turn control knob counterclockwise to the HIGH position. Set control knob to desired heat setting.

CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.

Ignitor Button

Control Knob

 

 

 

 

OFF

IGNITOR

Figure 19 - Control Knob In The OFF Position

Thermocouple

Ignitor Electrode

Pilot Burner

Figure 20 - Pilot (actual pilot may vary)

For more information, visit www.desatech.com

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Contents What to do if YOU Smell GAS GWN20T, GWP20T GWN30T, GWP30TSafety Information Table of ContentsProduct Features Safety Information Product IdentificationLocal Codes UnpackingProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Installation Items InstallationCheck GAS Type Locating HeaterAttaching Thermostat Sensing Bulb Installing Heater to WallMounting Bracket Removing Front Panel Of HeaterAttaching Mounting Bracket To Wall Marking Screw LocationsPlacing Heater On Mounting Bracket Mounting Base Feet to Floor Where required by local code Installing Bottom Mounting ScrewsMounting Heater to Floor with Optional Floor KIT Mounting Base Feet to HeaterTypical Inlet Pipe Diameters Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Operating Heater Manual Control Models For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS to Appliance Manual Lighting ProcedureShutting Off Heater Shutting Off Burner Only pilot stays litPilot Flame Pattern Inspecting HeaterThermostat Control Operation Cleaning Burner Pilot AIR Inlet Cleaning MaintenanceBurner Flame Pattern CabinetObserved Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at Illustrated Parts Breakdown WMN20 WMP20 Description QTY Parts ListGWN30T, GWP30T GGN30T, GP30T GWN20T, GWP20T, GWN30T, GWP30T Replacement Parts SpecificationsService Hints Technical ServiceOwners Registration Form Postage Required Parts Centrals AccessoriesEquipment Shutoff Valve GA5010 FAN Kits GA3250TWarranty Information