background image

20

Ye

s

Fan 

Mo

to

r

Runs

, Igniter

Sparks, 

Heater

Does 

no

t

Light.

Is v

oltage 

supplied t

transf

ormer when ignit

er 

sparks?

Ye

s

No

Ye

s

Check all wiring connections. If good, replace ignition contr

ol

No

Is 

gas contr

ol v

alv

set t

o ON 

position?

Clean the orif

ice

Are 2

4 v

olts

supplied fr

om

transf

ormer?

Ye

s

R

eplace

transf

ormer

No

Is 

contr

ol v

alv

e

receiving 2

4 v

olts

fr

om limit 

switch(es)?

Ye

s

No

Set the contr

ol

valv

e t

o ON.

No

Is gas 

contr

ol v

alv

receiving pr

oper inlet

gas supply  pressure?

Pr

ovide pr

oper Inlet

pressure. R

ef

er t

o

heat

er’s dataplat

e.

Ye

s

No

Are fuel supply  v

alv

es open?

Open all fuel supply

valv

es t

o heat

er

.

Ye

s

Is 

burner orif

ice

plugged with dust/dir

t?

Ye

s

No

Check f

or manif

old pressure. If no

pressure, the contr

ol v

alv

e is def

ectiv

e.

R

eplace contr

ol v

alv

e.

Problem

Def

ectiv

e high limit

switch. R

eplace the

limit switch.

Ye

s

Are 

high limit switch contacts  open? Check continuity

No

R

eset  the limit switch. 

(Press the rest butt

on)

R

echeck f

or continuity

.

Det

ermine cause of limit

tripping. Check f

or

obstructions in air inlet or discharge, ensure heat

er is

clean, remo

ve kinks fr

om

duct if duct is used.

R

epair or replace

electrical connections or

wiring.

Are 

electrical wires and

connections fr

om limit

switch t

o contr

ol v

alv

e

in good condition?

Ye

s

No

Summary of Contents for AD100

Page 1: ...een designed and developed specifically for use as a direct fired circulating heater for agricultural animal confinement buildings The heater has been evaluated and certified by the Australian Gas Ass...

Page 2: ...life Do not use or store flammable materials in or near this appliance GENERAL HAZARD WARNING Failure to comply with the precautions and instructions provided with this heater can result in Death Ser...

Page 3: ...your local L B White distributor or the L B White Co LLC for assistance or if you have any questions about the use of the equipment or its application The L B White Co LLC has a policy of continuous...

Page 4: ...s L x W x H cm Minimum Safe Distances From Nearest Combustible Materials STARTING CONTINUOUS OPERATION Motor Characteristics Ball Bearing 3 0 m 220 240 50 1 Maximum Input per Hour MJ Burner Manifold P...

Page 5: ...epair 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 unventilated areas The flow of combustio...

Page 6: ...res are fully functioning 6 Do not operate the heater with its door open or panel removed 7 Do not locate fuel gas containers or fuel supply hoses within 6 10 meters of the blower outlet of the heater...

Page 7: ...ng or even life A properly installed sediment trap will keep foreign materials from entering the gas valve and protect the safe functioning of that important safety component 7 For quick access in the...

Page 8: ...s Contact your gas supplier or the L B White Co LLC if you have any questions 13 This heater can be configured for use with either L P gas vapor withdrawal or natural gas Consult the heater s dataplat...

Page 9: ...nnection 4 The heater must be tested for proper operation after the thermostat has been connected WARNING Electrical Shock Hazard Disconnect the electrical supply before connecting the thermostat to t...

Page 10: ...gnition control will make three trials for ignition If ignition is not proven after the third trial the control will lock out the heater The ignition control must be reset to restart the heater Push t...

Page 11: ...he Warning within these Cleaning Instructions This same Warning is also supplied on the heater WARNING This heater may be washed only on the external case assembly provided A The heater is disconnecte...

Page 12: ...e appropriate electrical leads when replacing components 7 For reassembly reverse the respective service procedure Ensure gas connections are tightened securely 8 After servicing start the heater to e...

Page 13: ...st 2 Within a minute you should hear a pop coming from the switch which indicates the contacts of the switch have opened Check for lack of electrical continuity across the switch terminals to verify c...

Page 14: ...ter down Ignition spark is discontinued Fan motor stops The ignition control must be reset to restart the heater If replacing carefully remove the wiring harnesses and ignition cable from the controll...

Page 15: ...owing in the order given Gas hose and sediment trap from the inlet of gas the control valve Two screws at the inlet of the gas control valve securing the valve to the case See Fig 20 Bolt with washer...

Page 16: ...further checking or adjustment is required Proceed to Section D 3 If the inlet pressures do not agree with that specified on page 4 then the building system regulator controlling gas pressure to the...

Page 17: ...icing DIRECT IGNITION OPERATION SEQUENCE Line voltage is supplied to motor relay ignition control and thermostat A call for heat occurs from the thermostat Thermostat contacts close Ignition control p...

Page 18: ...ons and continuity of wiring No No No Do thermostat contacts close Check electrical connections and continuity of thermostat Yes Replace motor Yes Yes Are air proving switch contacts open Replace air...

Page 19: ...s Is heater recieving proper voltage Determine electrical requirements of heater Ensure it matches power supply Check wiring of power supply to heater Ensure correct electrical polarity Check grounds...

Page 20: ...r s dataplate Yes No Are fuel supply valves open Open all fuel supply valves to heater Yes Is burner orifice plugged with dust dirt Yes No Check for manifold pressure If no pressure the control valve...

Page 21: ...cumulations in the heater Heater Lights But Doesn t Stay Lit Is ignition control sending power to the flame sensor for flame proving No Yes Verify control is sending 165 180 volts AC to sensor If not...

Page 22: ...BLUE BLUE BLUE BROWN BROWN BROWN BROWN BROWN WHITE GREY GREEN YELLOW GREEN YELLOW GREEN YELLOW YELLOW YELLOW YELLOW IGNITER FLAME SENSOR TRANSFORMER FUSE HIGH LIMIT SWITCH BURNER GROUND GAS CONTROL M...

Page 23: ...mber Metal fire box that provides an area where burner flame mixes with combustion air thereby providing heat High Limit Switch Safety device wired into the control system which is used to break an el...

Page 24: ...Parts Identification PARTS SCHEMATIC 16 28 4 5 2 1 4 3 5 6 18 19 20 7 17 16 15 14 13 7 12 11 7 10 8 9 24...

Page 25: ...tch High Limit 573099 7 Latch assembly 20959 8 Door right 573129 9 Door left 573603 10 Case assembly with doors and latches 573605 11 Reset switch with boot 571907 12 Relay 571916 13 Transformer 57190...

Page 26: ...Parts Identification PARTS SCHEMATIC 1 2 3 4 5 6 7 12 15 8 10 11 14 9 13 16 17 18 19 20 26...

Page 27: ...Switch High Limit 505566 7 Latch assembly 20959 8 Door right 525523 9 Door left 573604 10 Case assembly with doors and latches 573608 11 Reset switch with boot 571907 12 Relay 571916 13 Transformer 57...

Page 28: ...ate of purchase by the end 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 the dat...

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