Service Publications. Desa Tech SBLP375AT, 375-F, BLP375AT

SERVICE PROCEDURES

Continued

15. Replace fan on motor shaft. Make sure setscrew is touching back of flat surface on motor shaft (see Figure 9).

16. Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds).

17. Remove two nuts and bolts securing motor mount to shell.

18. Pull motor and fan from shell. Turn motor and fan around. Carefully place back in shell.

Note: Fan will go into shell first.

19. Line up mounting holes in shell with holes on motor mount. Replace four bolts through shell and motor mount. Insert bolts from outside of heater. Tighten nuts firmly.

20. Route motor wires through hole in bottom of shell (see Figure 6, page 7).

21. Connect motor wires as follows (see Figure

5, page 7):

• 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 wire—to thermal switch wire

• orange wire—to solenoid valve

• green wire—to grounding screw on shell

22. Replace side cover.

23. Replace fan guard.

Hub

Fan

Setscrew

Motor

Shaft

SPECIFICATIONS

• Output Rating - 225,000 to 375,000 (Btu/Hr)

• Fuel - Propane/LP Vapor Only

• Fuel Consumption

Gallons(liters)/Hour - 2.5 (9,4) Min/4.0 (15) Max

Pounds(kg)/Hour - 10.4 (4.7) Min/17.4 (7.9) Max

• Supply Pressure To Regulator

Minimum* - 25 psig (172 kPa)

Maximum - Tank Pressure

• Regulator Outlet Pressure -

7-20 psig (48 to 138 kPa)

• Hot Air Output - 1500 CFM (pi³/min)

• Motor - 1725 RPM, 1/5 HP

• Electric Input - 120 V/60 Hz

• Amperage - 4.2

• Ignition - Electronic Direct Spark, D.S.I.

* (for purposes of input adjustment)

ACCESSORIES

Purchase accessories and parts from your nearest dealer or service center. If your dealer or service center can not supply an accessory or part, either contact your nearest Parts Central (listed in the separate Authorized Service Center booklet) or call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual.

Fuel Gas Connector: LPA4020

A POL adapter with excess-flow check valve.

Thermostat: HA1210

TECHNICAL SERVICE

You may have further questions about installation, operation or troubleshooting. If so, contact DESA

Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready.

You can also visit DESA Heating Productsʼ technical services web site at www.desatech.com

.

Figure 9 - Fan Cross Section

SERVICE PUBLICATIONS

You can receive an Illustrated Parts List free of charge. Send your request and a self-addressed, stamped envelope to DESA Heating Products

(address on back page). Be sure to include the heater model number. You can purchase a service manual for $5. Make check payable to DESA

Heating Products.

8 www.desatech.com

116699-01B