Desa 10542 Operating Heater, Manual Control Models For Your Safety Read Before Lighting

Page 15

OPERATING HEATER

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 ser-

vice technician to inspect the appliance and

to replace any part of the control system and

any gas control which has been under water.

5.Press in control knob and turn counter-

clockwise 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 sup- ply. If so, the control knob may need to be pressed in for 30 seconds or more. This will allow air to bleed from the gas system.

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

6.With control knob pressed in, push down and release ignitor 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, page 20. Also 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.

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

Note: If pilot goes out, repeat steps 5 through 7.

8.Press in and turn control knob counter-

clockwise to the HIGH position. After about five seconds, set control knob to desired heat setting.

CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve.

Ignitor Button

Control Knob

OFF

LIGHTING

INSTRUCTIONS

PILOT

IGN

LOW

MED

HIGH

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.

Figure 19 - Control Knob In The OFF

Position

Thermocouple

Ignitor Electrode

Pilot Burner

Figure 20 - Pilot (actual pilot may vary)

113680-01A

www.desatech.com

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Unpacking Product FeaturesLocal Codes Product IdentificationConfined and Unconfined Space AIR for Combustion VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building InstallationVentilation AIR Check GAS TypeLocating Heater Installation ItemsInstalling Heater to Wall Attaching To Wall Anchor Method 30,000 Btu/Hr Model20,000 Btu/Hr Model 10,000 Btu/Hr ModelPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsMounting Base Feet to Floor Where required by local code Mounting Heater to Floor with Optional Floor KITTypical Inlet Pipe Diameters Connecting to GAS SupplyPropane/LP Natural GasTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Pressure Testing Heater GAS ConnectionsManual Control Models For Your Safety Read Before Lighting Operating HeaterLighting Instructions Shutting Off Burner Only pilot stays lit Manual Lighting ProcedureTo Turn OFF GAS To Appliance Shutting Off HeaterThermostat Control Operation Inpecting Heater Pilot Flame PatternBurner Flame Pattern Cabinet Cleaning MaintenanceODS/PILOT and Burner Burner Pilot AIR InletObserved Problem Possible Cause Remedy TroubleshootingReplace burner orifice See Cleaning and Mainte Statement above Gas leak. See Warning10543 Specifications10548 10546 10542/10544 10549 10547 10545Parts Under Warranty Service HintsTechnical Service Service Publications Replacement Parts10,000 BTU/HR Manual Control Models 10542 Illustrated Parts Breakdown10,000 BTU/HR Manual Control Models Parts List19-1 19-2 19-113 10,000, 20,000, and 30,000 BTU/HR Termostat Models Base KIT GA4550 AccessoriesEquipment Shutoff Valve GA5010 FAN Kits GA3210TParts Centrals Warranty Information Keep this WarrantyLimited Warranty VENT-FREE Residential GAS Heaters

10542 specifications

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