SERVICE PROCEDURE SPECIFICATIONS ACCESSORIES TECHNICAL SERVICE SERVICE PUBLICATIONS

7

SERVICE PROCEDURE

Continued

10.Holding mounting bolt, carefully reach through fan blades into rear of heater. Be careful not to damage fan pitch. Insert bolt through motor mount and shell. With free hand, attach nut fin- ger tight. Repeat process for other mounting hole.

11.Use 1/8" hex wrench to loosen setscrew which holds fan to motor shaft (see Figure 9).

12.Slip fan off motor shaft.

13.Clean fan using soft cloth moistened with kerosene or solvent.

14.Dry fan thoroughly.

15.Replace fan on motor shaft. Make sure setscrew is touching back of flat surface on motor shaft (see Figure 10).

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 7, page 6).

21.Connect motor wires as follows (see Figure 6, page 6):

•white wire—to terminal board.

Note: Attach to empty connector on white wire side of ter- minal board.

•black wire—to terminal board.

Note: Attach to empty connector on black wire side of ter- minal 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.

Fan

Fan

Setscrew

 

Hub

Motor

 

Shaft

 

 

 

 

Setscrew

Motor shaft

 

 

Figure 9 - Fan, Motor Shaft, and

Figure 10 - Fan Cross

Setscrew Location

Section

 

SPECIFICATIONS

 

Output Rating (Btu/Hr)

225,000 to 375,000

Fuel

Propane/LP Vapor Only

Fuel Consumption

 

Gallons/Hour

2.5 Min/4.0 Max

Pounds/Hour

10.4 Min/17.4 Max

Supply Pressure To Regulator

 

Minimum (for input adjustment) ...

25 psig

Maximum

Tank Pressure

Regulator Outlet Pressure

7-20 psig

Hot Air Output (CFM)

1500

Motor

1725 RPM, 1/5 HP

Electric Input

120 V/60 Hz

Amperage

4.2

Ignition

ElectronicDirectSpark,D.S.I.

Weight (Pounds)

 

Heater

52

Shipping

57

Size - L x W x H (Inches)

 

Carton

37 x 15.25 x 20.75

Heater

35 x 13 x 19.5

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 this heater. If so, contact DESA Heating Products’ Technical Service Department at 1-866-672-6040 or visit our website at www.desatech.com. When contacting DESA Heating Products, please have your model and serial num- bers of your heater ready.

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.

For more information, visit www.desatech.com

103018-01H

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Desa BLP375AT owner manual Specifications, Accessories, Technical Service Service Publications
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BLP375AT specifications

Desa BLP375AT is a remarkable model in the field of energy-efficient heating solutions. Primarily designed for residential and commercial use, this boiler offers a perfect blend of innovation, performance, and reliability. One of its main features is the advanced condensing technology, which maximizes energy usage by capturing heat from flue gases that would typically be lost. This unique process enhances fuel efficiency and minimizes greenhouse gas emissions, making the BLP375AT an environmentally friendly choice.

The BLP375AT also incorporates a modulating burner, allowing it to adjust its output based on the heating demand. This feature not only optimizes energy consumption but also ensures consistent comfort levels in the space it serves. Users benefit from the boiler’s ability to maintain the desired temperature while minimizing fluctuations, resulting in improved comfort and energy savings.

Another key characteristic of the BLP375AT is its user-friendly interface, equipped with a digital control panel that simplifies operation. The intuitive controls allow users to set temperature preferences and monitor performance with ease. Additionally, the system is compatible with smart home technologies, enabling remote access and control via mobile devices. This connectivity enhances convenience and allows for real-time monitoring of energy usage.

The compact design of the BLP375AT makes it suitable for various installation environments, including tight spaces that often challenge traditional heating systems. Its durable construction ensures longevity and reliability, with high-quality materials that withstand the rigors of continual use.

Furthermore, safety features are paramount in the design of the BLP375AT. Equipped with advanced sensors and automatic shut-off mechanisms, this boiler offers peace of mind to users, preventing potential hazards such as overheating or malfunctions.

In conclusion, the Desa BLP375AT stands out in the heating market for its energy efficiency, user-friendly features, compact design, and robust safety measures. With its condensing technology and modulating burner, it not only contributes to lower energy bills but also supports sustainability initiatives. The BLP375AT encapsulates modern heating technology, making it an excellent choice for those looking to enhance comfort and efficiency in their spaces.
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