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1. Slowly open the LP Gas supply container valve.

2. Fully depress the button on the pilot safety control

valve while applying flame to the pilot.

FIG. 13

3. Keep the pilot button depressed for about 30

seconds to allow the thermocouple to warm up so the

pilot stays lit after the pilot button is released.

4. Connect the heater’s power cord to an approved

electrical supply.

5. To ignite the main burner:

Models 324 and 328

-  Fully open the manual main burner valve located

between the pilot safety control and burner.

-   The main burner will light.

Models 326 and 330

-  Fully open the manual main burner valve located

between electrical solenoid valve and burner.

-  Set the thermostat on the control panel to a point

above room temperature

-  The main burner will light.

1. Close the gas supply valve located on the LP gas

supply container.

2. Allow the heater to burn off any fuel gas remaining in

the gas supply line.

3. Close the manual main burner valve on the heater.

4. For heaters so equipped, set the thermostat to “Off”

or “No Heat”.

5. Disconnect the heater from its gas and electrical

supplies.

11

Start-Up Instructions

Shut-Down Instructions

WARNING

Burn H

Hazard

Close the manual main burner valve before lighting the

pilot.

Failure to do so will result in the main burner igniting

when the pilot is being lit.

Serious injury or death by burns may occur.

ATTENTION

On new installations it may take a short time for gas to

purge out any air in the pilot line before the pilot stays

lit.

MANUAL MAIN

BURNER VALVE

PILOT 

BUTTON

Summary of Contents for Twin Jet 400

Page 1: ...e at 1 800 345 7200 Owner s Manual and Instructions Jet 200 and Twin Jet 400 Circulating Construction Heaters ATTENTION ALL USERS This heater has been tested and evaluated by L B White Co Inc as a dir...

Page 2: ...mage personal injury or loss of life GENERAL HAZARD WARNING Failure to comply with the precautions and instructions provided with this heater can result in Death Serious bodily injury or burns Propert...

Page 3: ...o qualified See page 6 for definition of the necessary qualifications Contact your local L B White distributor or the L B White Co Inc for assistance or if you have any questions about the use of the...

Page 4: ...ort Combustion Net Weight lbs Shipping Weight lbs Electrical Supply Volts Hz Phase Amp Draw Dimensions Inches L x W x H Minimum Safe Distances From Nearest Combustible Materials STARTING CONTINUOUS OP...

Page 5: ...can mask fuel gas odor The o odorant i in p propane LP g gas a and n natural g gas i is colorless a and t the i intensity o of i its o odor c can f fade u under some c circumstances If there is an und...

Page 6: ...amage 8 The hose assembly shall be visually inspected on a daily basis after heater relocation and when the heater is in use If it is evident there is excessive abrasion or wear or if the hose is cut...

Page 7: ...ections as necessary to stop the leak After all connections are checked and any leaks are stopped turn on the main burner Stand clear while the main burner ignites to prevent injury caused from hidden...

Page 8: ...w how to shut off the gas supply to the building and also to the individual heater Contact your fuel gas supplier if you have any questions 14 Any defects found in performing any of the service or mai...

Page 9: ...er casting See Fig 7 FIG 7 8 Thread the orifice with control assembly into the inlet of the burner casting so that the tip of the burner orifice is flush with the inside of the burner and so the contr...

Page 10: ...s on the threaded connections 2 Assemble the components together according to the figure This view is to show general assembly of the components only 3 Tighten all connections securely 4 Check a all c...

Page 11: ...et the thermostat on the control panel to a point above room temperature The main burner will light 1 Close the gas supply valve located on the LP gas supply container 2 Allow the heater to burn off a...

Page 12: ...e heater a thorough cleaning At this time remove the fan and motor assembly and brush or blow off the fan blade assembly Additionally make sure the burner air inlet venturi ports and the casting are f...

Page 13: ...then check the following Improper regulator for heater Blockage in gas hose Insufficient size or quantity of LP gas supply containers D COMPLETION 1 Once the proper inlet pressure has been confirmed...

Page 14: ...NAL WIRES AS SUPPLIED WITH THE HEATER MUST BE REPLACED IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302 F 150 C ELECTRICAL CONNECTION DIAGRAM MOTOR RED GAS CONTROL...

Page 15: ...lean orifice or screen with compressed plugged air replace pilot orifice or screen if necessary Defective pilot control valve Replace pilot control valve Debris plugging up pilot screen Replace pilot...

Page 16: ...nameplate on heater for correct gas pressure 8 Gas solenoid valve chatters Defective solenoid in gas valve Replace solenoid valve Models 326 and 330 Gas pressure too high Check dataplate on heater fo...

Page 17: ...o shut off the flow of gas to the main burner when the pilot flame is extinguished or becomes too small to light the main burner Pilot Tube Formed copper tube used to convey gas from the safety contro...

Page 18: ...18 1 2 3 4 5 7 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 21 23 24 25 26 27 28 29 30 31 32 33 34 35 PARTS IDENTIFICATION PARTS SCHEMATIC...

Page 19: ...90 N A 120 02990 17 Wheel 130 01099 18 Elbow N A 130 01300 N A 130 01300 19 Nipple N A 130 01142 N A 130 01142 20 Valve 130 20229 21 Connector N A 130 04648 N A 130 04648 22 Tube w Nuts N A 500 20406...

Page 20: ...of p purchase b by the e end u user Warranty is automatic if a component is found defective within 12 months of the date code marked on the part If the defect occurs more than 12 months later than th...

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