SERVICE PROCEDURES

Continued

AIR OUTPUT, AIR INTAKE AND LINT FILTERS

1.Remove upper shell (see Figure 7 or 8, page 9).

2.Remove filter end cover screws using 5/16" nut-driver. See Figure 11 or 12.

3.Remove filter end cover.

4.Replace air output and lint filters.

5.Wash or replace air intake filter (see Preventa- tive Maintenance Schedule, page 7).

6.Replace filter end cover.

7.Replace fan guard and upper shell. IMPORTANT: Do not oil filters.

Air Intake

Filter Filter End Fan

Cover Guard

Lint Filter

Air Output Filter

Figure 11 - Air Output, Air Intake, and

Lint Filters, 40/55T/70T Models

Air Intake

 

Filter

Filter End

Fan

 

 

Cover

Guard

 

 

Lint Filter

Air Output

Filter

Figure 12 - Air Output, Air Intake, and

Lint Filters, 115T/165T Models

PUMP PRESSURE ADJUSTMENT

1.Remove pressure gauge plug from filter end cover (see Figure 13).

2.Install accessory pressure gauge (part number HA1180).

3.Start heater (see Operation, page 6). Allow motor to reach full speed.

4.Adjust pressure. Turn relief valve to right to increase pressure. Turn relief valve to left to decrease pressure. See specifications correct pressure for each model (see Figure 14).

5.Remove pressure gauge. Replace pressure gauge plug in filter end cover.

Relief Valve

Pressure

Gauge

Plug

Figure 13 - Pressure Gauge Plug

Removal (40/55T/70T Models Shown)

 

Pump

 

Model

Pressure

Pressure

40

3.0 PSI

Gauge

55T

3.4 PSI

 

70 T

4.7 PSI

 

115T

5.1 PSI

 

165T

5.6 PSI

 

Figure 14 - Adjusting Pump Pressure

 

(40/55T/70T Models Shown)

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Desa BC165CT, BC40, BC115CT AIR OUTPUT, AIR Intake and Lint Filters, Pump Pressure Adjustment, Replace filter end cover

RC70T, RC165CT, BC55T, BC70T, RC115CT specifications

Desa BC165CT, RC55T, BC55T, RC165CT, and BC70T are some of the advanced heating solutions designed to provide maximum comfort and efficiency in various environments. Each model comes with unique features and technologies aimed at meeting diverse heating demands while ensuring energy efficiency.

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