OWNER’S MANUAL

SERVICE

PROCEDURES

Continued

Fan

IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch.

1.Remove upper shell (see page 8).

2.Use 1/8" allen wrench to loosen set- screw which holds fan to motor shaft.

3.Slip fan off motor shaft.

4.Clean fan using a soft cloth moistened with kerosene or solvent.

5.Dry fan thoroughly.

6.Replace fan on motor shaft. Place fan hub flush with end of motor shaft (see Figure 30).

7.Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds/ 4.5-5.6 n-m).

8.Replace fan guard and upper shell.

Fan

Setscrew

SPECIFICATIONS

Output Rating (Btu/Hr)

35,000

70,000

100,000

150,000

Fuel

Use Only Kerosene or No. 1 Fuel Oil

 

Fuel Tank Capacity

 

 

 

 

(U.S. Gal./Liters)

3.0/11.4

5.0/18.9

9.0/34

13.5/51.1

Fuel Consumption

 

 

 

 

(Gal. Per Hr./Liters Per Hr.)

.26/1.0

.49/1.85

.70/2.7

1.1/4.1

Electric Requirements

230 V/50 Hz (Same All Models)

 

Amperage (Normal Run)

.8

1.0

1.2

1.2

Hot Air Output (CFM/CMM)

140/4

225/6.4

425/12

500/14.2

RPM

1425

2850

2850

2850

WIRING DIAGRAMS

 

 

 

ON/Off Switch

 

 

 

Ignitor

 

 

 

B

Black

1

1a

Black

D

 

 

 

 

 

 

 

 

Spark

 

 

 

 

 

 

 

 

 

 

 

Reset

Flame-Out

 

 

 

 

 

 

Orange

Plug

 

 

 

 

 

 

Red

 

 

 

Button

Control

 

 

 

 

 

 

 

Black

 

 

 

 

 

 

 

 

 

R

 

 

Red

 

C

Red

Motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal

 

Green-Yellow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Board

 

 

 

 

 

 

 

 

White

 

B

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Brown

 

 

 

 

 

 

A

White

 

RFI Filter

Blue

 

 

 

 

 

 

 

 

 

Blue

 

White

 

 

 

 

 

230 V~/50 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

Photocell

 

 

 

 

 

Green-Yellow

Figure 31 - Wiring Diagram

Motor

Shaft

Figure 29 - Fan, Motor Shaft, and Setscrew Location

Fan

Flush

Motor

Shaft

Setscrew

Figure 30 - Fan Cross Section

103618

13

Page 13
Image 13
Desa BY150CEB, BY70CEB, BY35CEB, BY100CEB owner manual Specifications, Wiring Diagrams, Fan