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5

LP ggas aand nnatural ggas hhave m

man-m

made oodorants aadded sspecifically ffor ddetection oof ffuel ggas lleaks.

If aa ggas lleak ooccurs, yyou sshould bbe aable tto ssmell tthe ffuel ggas.  

THAT’S  YYOUR  S

SIGNAL  TTO  G

GO  IINTO  IIMMEDIATE  AACTION!

Do not take any action that could ignite the fuel gas.  Do

not operate any electrical switches.  Do not pull any

power supply or extension cords.  Do not light matches

or any other source of flame.  Do not use your

telephone.

Get everyone out of the building and away from the area

immediately.

Close all propane (LP) gas tank or cylinder fuel supply

valves, or the main fuel supply valve located at the

meter if you use natural gas.

Propane (LP) gas is heavier than air and may settle in

low areas.  When you have reason to suspect a propane

leak, keep out of all low areas.  

Natural gas is lighter than air and can collect around

rafters or ceilings.

Use your neighbor’s phone and call your fuel gas 

supplier and your fire department.  Do not re-enter the

building or area.

Stay out of the building and away from the area until

declared safe by the firefighters and your fuel gas 

supplier.

FINALLY,  let the fuel gas service person and the

firefighters check for escaped gas.  Have them air out

the building and area before you return.  Properly

trained service people must repair the leak, check for

further leakages, and then relight the appliance for you.

WARNING

Do not use this heater for heating human living

quarters.

Do not use in areas without proper air exchange.  See

air exchange requirements on page 4 or on heater’s

dataplate.

Exhaust fans, supply air inlets, or exhaust fan outlets

must not be obstructed.

Proper air exchange must be provided for either indoor

or outdoor mount installations.

Refer to the specification section and installation

instructions of the heater’s Owner’s Manual, heater

dataplate, or contact the L.B. White Company to

determine air exchange requirements of the heater.

Lack of proper air exchange will lead to improper

combustion.

Improper combustion can lead to carbon monoxide

poisoning in humans leading to serious injury or death.

Symptoms of carbon monoxide poisoning can include

headaches, dizziness and difficulty in breathing.

Asphyxiation H

Hazard

Some  ppeople  ccannot  ssmell  w

well.    S

Some  ppeople  ccannot

smell  tthe  oodor  oof  tthe  m

man-m

made  cchemical  aadded  tto

propane ((LP) oor nnatural ggas.  YYou m

must ddetermine iif yyou

can ssmell tthe oodorant iin tthese ffuel ggases.  

Learn to recognize the odor of propane (LP) gas and

natural gas.  Local propane (LP) gas dealers and your

local natural gas supplier (utility) will be more than

happy to give you a scratch and sniff pamphlet.  Use it

to become familiar with the fuel gas odor.  

Smoking can decrease your ability to smell.  Being

around an odor for a period of time can affect your

sensitivity to that particular odor.

The  oodorant  iin  ppropane  ((LP)  ggas  aand  nnatural  ggas  iis

colorless  aand  tthe  iintensity  oof  iits  oodor  ccan  ffade  uunder

some ccircumstances.

If there is an underground leak, the movement of gas

through the soil can filter the odorant.  

Propane (LP) gas odor may differ in intensity at different

levels.  Since propane (LP) gas is heavier than air, there

may be more odor at lower levels.

Always  bbe  ssensitive  tto  tthe  sslightest  ggas  oodor. If you

continue to detect any gas odor, no matter how small,

treat it as a serious leak.  Immediately go into action as

discussed previously.

Safety Precautions

FUEL GAS ODOR

ODOR FADING -- NO ODOR DETECTED

ATTENTION -- CRITICAL POINTS TO REMEMBER!

Propane (LP) gas and natural gas have a distinctive

odor.  Learn to recognize these odors.  (Reference Fuel

Gas Odor and Odor Fading sections above.

If you have not been properly trained in repair and service

of propane (LP) gas and natural gas fueled heaters, then

do not attempt to light heater, perform service or repairs,

or make any adjustments to the heater on propane (LP)

gas or natural gas fuel system.

Even if you are not properly trained in the service and

repair of the heater, ALWAYS be consciously aware of

the odors of propane (LP) gas and natural gas.

A periodic sniff test around the heater or at the heater’s

joints; i.e. hose, connections, etc., is a good safety

practice under any conditions.  If you smell even a small

amount of gas, CONTACT YOUR FUEL GAS SUPPLIER

IMMEDIATELY.  DO NOT WAIT!

Summary of Contents for FUEL HD120

Page 1: ...idence in our products and welcome any suggestions or comments you may have call us toll free at 1 800 345 7200 Owner s Manual and Instructions GreenGro Plus Greenhouse Heaters ATTENTION ALL USERS Thi...

Page 2: ......

Page 3: ...nal 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 Property damage o...

Page 4: ...nce or if you have any questions about the use of the equipment or its application The L B White Co Inc has a policy of continuous product improvement It reserves the right to change specifications an...

Page 5: ...et and exhaust outlet do not open when heating is required HD120 Propane Natural Gas Gas M Mo od de el l Indoor Mounting Air Exchange Requirements 1 Burner Manifold Pressure In W C Net Weight lbs Ship...

Page 6: ...ans leading to serious injury or death Symptoms of carbon monoxide poisoning can include headaches dizziness and difficulty in breathing Asphyxiation H Hazard Some p people c cannot s smell w well S S...

Page 7: ...high limit switch and an air proving switch Never operate this heater with any safety device that has been bypassed Do not operate this heater unless all of these features are fully functioning 6 Do n...

Page 8: ...mber 23578 4 The heater must have the proper gas regulator installed for the application A regulator must be connected to the gas supply so that gas pressure at the inlet to the gas valve is regulated...

Page 9: ...Manual Make sure you know 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 17 Any defects found in performing...

Page 10: ...chain hanging kit part number 08748 Refer to the following instructions and illustrations 1 Assemble eyebolts and chain according to the illustration and tighten all eyebolts securely See Fig 2 FIG 2...

Page 11: ...THERMOSTAT GROUND BROWN RED RED YELLOW YELLOW WHITE BLACK WHITE BLACK GREEN 8 9 10 HI LO YELLOW BLUE RED NIPPLE HOSE ADAPTER TEE NIPPLE CAP TO GAS CONTROL...

Page 12: ...ctrical connection jumper between relays in building control to allow staging transition of gas control valve D Heat V Vent B Building C Control C Connections Using N Non P Powered C Contacts Remove j...

Page 13: ...er at terminals 1 and 2 Remove black leads at terminals 3 and 4 to selector switch Remove white leads at terminal 6 to selector switch Add neutral s of control contacts at terminal 5 HEAT MODE Add con...

Page 14: ...4 The direct spark ignition DSI control board within this heater is self diagnostic The board works in conjunction with a light emitting diode L E D built into the selector switch The L E D will flash...

Page 15: ...Periodic cleaning and inspection as well as proper maintenance are essential to avoid serious injury or property damage 1 The area surrounding the heater shall be kept clear and free from combustible...

Page 16: ...on FIG 9 AIR PROVING SWITCH Service Instructions 1 Close the fuel supply valve to the heater and disconnect the heater s electrical supply before servicing unless it is necessary to have the valve ope...

Page 17: ...R AND FLAME SENSOR BLOWER OUTLET OF HEATER AIR PROVING SWITCH ARM OF FLAPPER AIR PROVING SWITCH ARM FANWHEEL PIVOT POINT OF FLAPPER EDGE OF FLAPPER PIVOT POINT OF FLAPPER FLAPPER 31 7 MMTO 34 9 MM 1 E...

Page 18: ...om the switch which indicates the contacts of the switch have opened Check for lack of electrical continuity across the switch terminals to verify contacts have opened 5 Allow the switch cool down for...

Page 19: ...let pressure gauges agree with that specified on the dataplate If so then no further checking or adjustment is required Proceed to section D 3 If the inlet pressures do not agree with that specified o...

Page 20: ...s Page A Motor Does Not Run 24 B Motor Hums Does Not Run 24 Components should be replaced only after each step has been completed and replacement is suggested in the flow chart Refer to the Servicing...

Page 21: ...Are 24 Volts Supplied from Transformer No No No No No Yes Is Proper Voltage Supplied to Transformer No Yes Yes No See One Time Flash L E D Light is Defective Replace Ignition Control Check Dataplate...

Page 22: ...ns Yes Repair Air Proving Switch One T T ime Flash P P attern Begins Immediately After C C ondition Occurs Is Air Proving Switch Stuck Closed Check Continuity Is Airflow Switch Binding Repair Yes Yes...

Page 23: ...Proving Switch No Is Fan Loose On Motor Shaft Yes Tighten Fan Blade Set Screw Is Proper Voltage Supplied to Fan Motor No Yes Defective Motor or Capacitor Replace Motor or Capacitor Is Ignition Module...

Page 24: ...curs T T he Module H H as Gone i i nto S S afety Lockout Is Proper Fuel Supplied to Heater Inlet Connect Proper Fuel Supply to Heater Open All Gas Shutoff Valves Yes No Is Proper Gas Pressure Supplied...

Page 25: ...onnections Verify Proper Voltage with a Voltage Tester Contact a Qualified electrician if Proper voltage is not Present No No Yes Is Proper Voltage Supplied to Selector Switch from Power Cord No VENTI...

Page 26: ...TER MALFUNCTION CHECK FOR PROPER OPERATION AFTER SERVICING WARNING THIS HEATER MAY START AT ANY TIME FAN MOTOR TRANSFORMER AIR PROVING SWITCH BLUE BLUE HIGH VOLTAGE IGNITION LEAD IGNITER FLAME SENSOR...

Page 27: ...lexible connector used to convey gas from supply line in building to heater Heat Chamber Metal fire box within the heater that provides an area where burner flame mixes with combustion air thereby pro...

Page 28: ......

Page 29: ...Switch High Limit 05566 18 Chamber Heat 23566 19 Case Assembly with Doors and Latches 2 20465 20 Latch Assembly 20959 21 Harness Wiring 23534 22 Control Ignition 22461 23 Transformer 120 24 v 81218 2...

Page 30: ...date o of p purchase by t 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 t...

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