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100416

PROPANE CONSTRUCTION HEATER

375,000 BTU/HR - A SERIES

1.

Store propane tank(s) in safe manner.
See Chapter 5 of Standard for Storage
and Handling of Liquefied Petroleum
Gases, ANSI/NFPA 58 
and the Propane
Installation Code CAN/CGA B149.2.
Follow all local codes.

2.

Place plastic cover caps over brass fit-
tings on inlet connector and hose/regu-
lator assembly.

3.

Store in dry, clean, and safe place. Do
not store hose/regulator assembly in-
side heater combustion chamber.

4.

When taking heater out of storage, al-
ways check inside of heater. Insects and
small animals may place foreign objects
in heater. Keep inside of heater free from
combustible and foreign objects.

1.

Keep heater clean. Clean heater annu-
ally or as needed to remove dust and
debris. If heater is dirty or dusty, clean
heater with a damp cloth.

2.

Inspect heater before each use. Check
connections for leaks. Apply mixture
of liquid soap and water to connections.
Bubbles forming show a leak. Correct
all leaks at once.

3.

Inspect hose/regulator assembly before
each use. If hose is highly worn or cut,
replace.

4.

Have heater inspected yearly by a quali-
fied service agency.

5.

Keep inside of heater free from com-
bustible and foreign objects.

 WARNING: Never service

heater while it is plugged in, con-
nected to propane supply, oper-
ating, or hot. Severe burns and
electrical shock can occur.

 CAUTION: Disconnect heater

from propane supply tank(s).

STORAGE

MAINTENANCE

TO STOP HEATER

1.

Tightly close propane supply valve on
propane tank(s).

2.

Wait a few seconds. Heater will burn
gas left in supply hoses.

3.

Turn on/off switch to the OFF position.

4.

Unplug heater.

TO RESTART HEATER

If safety control stops gas flow to heater,
motor will continue to run.

To restart heater:

1.

Turn on/off switch to the OFF position.

2.

Wait ten seconds, then turn on/off
switch to the ON position.

If heater does not restart

• Check manual valves (if any) and sup-

ply valves (on propane tank). Make sure
they are open.

• Check fuel level in propane tank(s). If

fuel level is too low, contact local pro-
pane gas company.

If heater still does not restart, contact your
local service center.

OPERATION

Continued

Summary of Contents for BLP375A

Page 1: ...OM HAZARDS OF FIRE EXPLOSION BURN ASPHYXIATION CARBON MONOXIDE POISONING AND OR ELECTRICAL SHOCK ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE IN STRUCTIONS SHOULD USE OR SERVICE THIS HEATER IF YOU N...

Page 2: ...heated We cannot foresee every use which may be madeofourheaters Checkwithyourlocal firesafetyauthorityifyouhavequestions about heater use Other standards govern the use of fuel gases and heat produc...

Page 3: ...Shell Hose Regulator Assembly 1 Remove all packing items applied to heater for shipment Keep plastic cover caps attached to inlet connector and hose regulator assembly for storage 2 Remove all items f...

Page 4: ...ir For Heating THEORY OF OPERATION The Fuel System The hose regulator assembly attaches to the propane gas sup ply The propane gas moves through the solenoid valve and out the nozzle The Air System Th...

Page 5: ...into a three prong grounded extension cord Exten sion cord must be at least six feet long Extension cord must be UL listed Extension Cord Size Requirement Upto50feetlong use18AWGratedcord 51 to 100 f...

Page 6: ...all leaks at once 3 Inspect hose regulator assembly before each use If hose is highly worn or cut replace 4 Have heater inspected yearly by a quali fied service agency 5 Keep inside of heater free fro...

Page 7: ...6 white wire to terminal board Note Attach to empty connector on white wire side of terminal board black wire to terminal board Note Attach to empty connector on black wire side of terminal board blue...

Page 8: ...ntrol Orange Ignitor Thermal Switch Orange Terminal Board White White Black Black Blue Connector Blue Connector Blue Black Figure 12 Electrical Ladder Diagram Figure 11 Wiring Diagram Green Black Whit...

Page 9: ...also visit DESA International s Technical Service web site at www desatech com TECHNICAL SERVICE SERVICE PUBLICATIONS YoucanreceiveanIllustratedPartsListfree of charge Send your request and a self add...

Page 10: ...PROPANE CONSTRUCTION HEATER 375 000 BTU HR A SERIES ILLUSTRATED PARTS BREAKDOWN BLP375A RLP375A Note Screws are standard hardware items 2 21 1 4 27 18 3 8 9 10 11 22 17 26 25 23 24 16 15 19 20 7 14 12...

Page 11: ...3 1 Strain Relief Bushing 1 13 099896 05 Cord Assembly 1 14 097809 01 Male Fitting 1 15 097828 01 Solenoid Bracket 1 16 098201 01 Solenoid Valve 1 17 100145 01 Fuel Tube 1 18 099679 01 Nozzle 1 19 M51...

Page 12: ...s Of Merchantability And Fitness For A Particular Purpose DESA International assumes no responsibility for indirect incidental or consequential damages Some states do not allow the exclusion or limita...

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