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Contact your local L.B. White dealer for replacement parts
and service or call the L.B. White Co., Inc. at 1-800-345-7200
for assistance.  Be sure that you have your heater model
number and configuration number when calling.

L.B. White Co., Inc. warrants that the component parts of its
heater are free from defects in material and workmanship,
when properly installed, operated, and maintained in
a c c o rd a n c e   w i t h   t h e   I n s t a l l a t i o n   a n d   M a i n te n a n c e
Instructions, safety guides and labels contained with each
unit.  If, 

within 12 months from the date of purchase by

the end user

, any component is found to be defective, L.B.

White Co., Inc. will at its option, repair or replace the
defective part or heater, with a new part or heater, F.O.B.,
Onalaska, Wisconsin.  

A warranty card on file at L.B. White will automatically
qualify a unit and its component par ts for warranty
consideration.  If a warranty card is not on file, a copy of the
b i l l   o f   s a l e   w i l l   b e   r e qu i r e d   to   e s t a b l i s h   wa r r a n t y
qualification.  If neither is available, the warranty period will
be 12 months from date of shipment from L B. White.  

Warranty Policy

Replacement Parts and Service

HEATER

PARTS

L.B. White Co., Inc. warrants that replacement par ts
purchased from the company and used on the appropriate
L. B. White equipment are free from defects both in material
a n d   wo r k m a n s h i p   fo r  

1 2   m o n t h s   f r o m   t h e   d a t e   o f

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 date code but within 12 months from
the date of purchase by the end user, a copy of a bill of sale
will be required to establish warranty qualification. 

The warranty set forth above is the exclusive warranty
provided by L.B. White, and all other warranties, including
any implied warranties or merchantability or fitness for a
particular purpose, are expressly disclaimed.  In the event
any implied warranty is not hereby effectively disclaimed
due to operation of law, such implied warranty is limited in

duration to the duration of the applicable warranty stated
above.  The remedies set forth above are the sole and
exclusive remedies available hereunder.  L.B. White will not
be liable for any incidental or consequential damages
directly or indirectly related to the sale, handling or use of
the equipment, and in any event L.B. White's liability in
connection with the equipment, including for claims based
on negligence or strict liability, is limited to the purchase
price.  

Some states do not allow limitations on how long an implied
warranty lasts, so the above limitation may not apply to you.
Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above
limitation or exclusion may not apply to you.  This warranty
gives you specific legal rights, and you may also have other
rights which vary from state to state.

30

Содержание GUARDIAN Smart Sense AD250

Страница 1: ...ding Heaters with Smart Sense Automatic Variable Rate Heat For Use with SmartBox Controller ATTENTION ALL USERS This heater has been designed tested and evaluated by L B White Co Inc as a direct gas f...

Страница 2: ...line solvents paint thinner dust particles or unknown chemicals Failure to follow these instructions may result in a fire or explosion Fire or explosions can lead to property damage personal injury or...

Страница 3: ...B White distributor dealer or the L B White Company 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 equipment or its...

Страница 4: ...ed to Support Combustion CFM Burner Manifold Pressure in W C Net Weight lbs Shipping Weight lbs Electrical Supply Volts Hz Phase Amp Draw Starting Amps Includes Igniter Dimensions Inches L x W x H Min...

Страница 5: ...environment controller is required for further operation See Fig 1 for a typical system diagram Each SmartBox controls two zones of heat two heaters er zone One sensor may be used for each zone of he...

Страница 6: ...ht the appliance for you WARNING Do not use this heater for heating human living quarters Do not use in unventilated areas The flow of combustion and ventilation air must not be obstructed Proper vent...

Страница 7: ...ving 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 d...

Страница 8: ...eep foreign materials from entering the gas valve and protect the safe functioning of that important safety component 10 Any heater connected to a piping system must have an accessible approved manual...

Страница 9: ...fects found in performing any of the service or maintenance procedures must be eliminated and defective parts replaced immediately The heater must be retested by properly qualified service personnel b...

Страница 10: ...TIONS SEDIMENT TRAP ASSEMBLY NIPPLE HOSE ADAPTER TEE NIPPLE CAP TO GAS CONTROL VALVE INLET EYEBOLT NUT FLATWASHER CAGE NUT CHAIN CASETOP NOTE REGULATORS SHOULD ALWAYS BE MOUNTED OUTDOORS IF CIRCUMSTAN...

Страница 11: ...suitable for use with L P gas or natural gas on the threaded connections 2 Assemble the components together according to the figure This view is to show general assembly of the components only The reg...

Страница 12: ...1 and 2 FIG 7 B Wiring from SmartBox to the heater s Smart Sense variable rate gas control valve a Connect Smart Sense gas control valve wiring for Zones 1 and 2 at SmartBox leads as shown in Fig 8 F...

Страница 13: ...onnel shall service or repair the heater 5 On a call for heat the motor will start up and run for five 5 seconds This pre purge is a safety feature and a normal operational characteristic prior to ign...

Страница 14: ...ee of dust c When washing with water observe and obey the Warning within these Cleaning Instructions This same Warning is also supplied on the heater 14 Cleaning Instructions Maintenance Instructions...

Страница 15: ...and must be replaced Do not operate the heater with the switch jumpered Replace the part immediately An alternate method for checking the components is to perform a continuity check 5 Do not jumper t...

Страница 16: ...off briskly rub the sensor rod with emery cloth or steel wool to remove any build up Restart the heater Ensure the igniter gap is 1 8 3 16 in and the igniter tip is positioned over the burner port ac...

Страница 17: ...bout a minute before firmly pressing the reset button on the switch 6 Check for electrical continuity across the switch terminals to make sure the contacts have closed 7 Reinstall the switch back into...

Страница 18: ...2 Do the readings at the inlet and outlet 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 press...

Страница 19: ...s is essential as it will relate directly to problem solving provided by the flow charts The ignition control module is self diagnostic The red light on the module will flash a specific pattern depend...

Страница 20: ...control terminal PS2 Ignition control powers the igniter and igniter sparks Ignition control sends 24 volts from terminal MV to gas control through high limit switch Ignition occurs Igniter continues...

Страница 21: ...ive Replace ignition module Is proper voltage supplied to transformer Check electrical connections and power supply to transformer Repair as necessary No Yes 21 Heater does not cycle above minimum hea...

Страница 22: ...seconds off repetitively for 15 minutes Heater has attempted three ignition trials Heater is in a 15 minute wait period before attempting three more trials for ignition If ignition is not achieved aft...

Страница 23: ...efective motor or capacitor Replace motor Yes Remove obstruction Clean as necessary No Is fan wheel plugged with dirt No Is there an obstruction in blower outlet preventing air proving switch closure...

Страница 24: ...o heater and check with a gauge No Remove orifice and burner casting Blow out with compressed air or clean with a soft brush No No No No No Is flame sensor insulator cracked No Is flame sensor properl...

Страница 25: ...blems in three time flash pattern 1 The ignition control sends and receives voltages throughout the entire operation sequence The ignition control s terminals should also be checked for delivering pro...

Страница 26: ...ROUND POWER CORD WHITE FAN MOTOR GAS CONTROLVALVE L1 IND L E D MV PS2 PS1 W FS R X C COM GREEN YELLOW BLACK DSI CONTROL TRANSFORMER IGNITER FLAME SENSOR HIGH LIMIT SWITCH AIR PROVING SWITCH BLACK BLAC...

Страница 27: ...ical circuit to the gas control valve in event of overheat situation Ignition Control Module Controls the ignition sequence and operation of the heater as well as monitoring the safety sevices A major...

Страница 28: ...28 Parts Identification PARTS SCHEMATIC 29 27 14 15 16 17 19 18 20 21 22 23 24 25 26 13 12 11 10 9 8 28 7 6 5 4 3 2 1...

Страница 29: ...Orifice burner Propane Gas 570053 Natural Gas 572876 10 Burner 570655 11 Burner mounting hardware 570211 12 Igniter and sensor assembly 22473 13 High limit switch 505566 14 Heat chamber 570200 15 Case...

Страница 30: ...urchase 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 date code b...

Страница 31: ......

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