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1. Do not attempt to install, repair, or service this heater

or the gas supply line unless you have continuing

expert training and knowledge of gas heaters.  

Qualifications for service and installation of this

equipment are as follows:

a. To be a qualified gas heater service person, you

must have sufficient training and experience to

handle all aspects of gas-fired heater installation,

service and repair.  This includes the task of

installation, troubleshooting, replacement of

defective parts and testing of the heater.  You

must be able to place the heater into a continuing

safe and normal operating condition.  You must

completely familiarize yourself with each model

heater by reading and complying with the safety

instructions, labels, Owner’s Manual, etc., that is

provided with each heater.

b. To be a qualified gas installation person, you must

have sufficient training and experience to handle

all aspects of installing, repairing and altering gas

lines, including selecting and installing the proper

equipment, and selecting proper pipe and tank

size to be used.  This must be done in accordance

with all local, state and national codes as well as

the manufacturer’s requirements.

2. All installations and applications of L.B. White heaters

must meet all relevant local, state and national

codes.  Included are L.P. gas, natural gas, electrical,

and safety codes.  Your local fuel gas supplier, a local

licensed electrician, the local fire department or

similar government agencies, or your insurance agent

can help you determine code requirements.

a. For U.S.A. installations and applications:

-- ANSI/NFPA 58, latest edition, Standard for

Storage and Handling of Liquefied Petroleum

Gas and/or

-- ANSI Z223.1/NFPA 54, National Fuel Gas

Code

-- ANSI/NFPA 70, National Electrical Code.

3. Do not move, handle, or service heater while in

operation or connected to a power or fuel supply.

4. This heater may be installed in areas subject to

washdown.  This heater may only be washed on the

external case assembly—see Cleaning Instructions.

Do not wash the interior of the heater.  Use only

compressed air, soft brush or dry cloth to clean the

interior of the heater and it’s components.  After

external washdown, do not operate this heater until it

is completely dry.  In any event, do not operate the

heater for at least one hour after external washdown.

5. For safety, this heater is equipped with a manual

reset 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 not operate the heater with its door open.

7. Do not locate fuel gas containers or  fuel supply

hoses anywhere near the blower outlet of the heater.

8. Do not block air intakes or discharge outlets of the

heater.  Doing so may cause improper combustion or

damage to heater components leading to property

damage or plant loss.

9. The hose assembly shall be visually inspected on an

annual basis.  If it is evident there is excessive

abrasion or wear, or if the hose is cut, it must be

replaced prior to the heater being put into operation.

The hose assembly shall be protected from building

materials and contact with hot surfaces during use.

The hose assembly shall be that specified by the

manufacturer.  See parts list.

10. Check for gas leaks and proper function upon heater

installation, at beginning of heating season or when

relocating.

11. This heater should be inspected for proper operation

by a qualified service person before the start of fall

heating season and at least annually.

12. Always turn off the gas supply to the heater if the

heater is not going to be used.

13. This heater is equipped with a three-prong

(grounding) plug for your protection against shock

hazard and must be plugged directly into a properly

grounded three-prong receptacle.  Failure to use a

properly grounded receptacle can result in electrical

shock, personal injury, or death.

14. Direct ignition heaters will make up to  three trials for

ignition.  If ignition is not achieved, the control system

will lock out the gas control valve.  If gas is smelled

after system lock out has occurred, immediately close

all fuel supply valves.  Do not relight until you are sure

that all gas that may have accumulated has cleared

away.  In any event, do not relight for at least 5

minutes.  

15. In a hanging type installation, rigid pipe or copper

tubing coupled directly to the heater may cause gas

leaks during movement, and therefore must not be

used.  Use only gas hose assemblies that are rated

and approved for L.P.gas and natural gas in a hanging

type of installation.

16. Installations not using the gas hose supplied with 

this appliance must connect dimensionally using

American National Standard Wrought Steel and

Wrought Iron Pipe B36/10-1970.  (Aluminum piping

or tubing shall not be used.)  Copper tubing when

used for conveying natural gas, shall be internally

tinned or equivalently treated to resist sulphur.

6

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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