SECTION 15: REPLACEMENT PARTS

15.7 Pressure Switch

Pull off 3 way connector. Spring open plastic clips of mounting cradle. Replace with correct type of pressure switch for model. The pressure switches are color coded for each pressure setting. Carry out a start-up after working on or changing a pressure switch. See Page 27, Section 11.

 

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

UHA[X][S]

MODEL

150 - 175

200 - 225

250

300 - 350

400

 

 

 

 

 

 

Pressure Switch

 

 

 

 

 

Kit P/N

90439802

90439808

90439803

90439807

90439808

 

 

 

 

 

 

Color Code

yellow

orange

gray

brown

orange

 

 

 

 

 

 

Set Point in. w.c.

.32

.79

.41

.68

.79

 

 

 

 

 

 

Pressure Switch Snap

 

 

 

 

 

Ring P/N

90439850

90439850

90439850

90439850

90439850

 

 

 

 

 

 

15.8 Ignition Control

The control mounts to the electrical plate. Pull out ignition cable and wiring from board, noting their positions. Release the four mounting standoffs. Refit in reverse. Ensure correct location of ignition cable and all other wiring.

15.9 Axial Fan/Guard/Motor Assembly

The axial fan unit for the heater is supplied completely assembled and balanced

MODEL

UHA[X][S] 150

- 175

UHA[X][S] 200- 250

UHA[X][S] 300

- 400

 

 

 

 

 

 

Axial Fan Guard

91901104

 

91901104

91901105

 

 

 

 

 

 

 

Axial Fan Motor

90600107

 

90600107

90600106

 

 

 

 

 

 

 

Axial Fan Blade

90709006

 

90709006

90709005

 

 

 

 

 

 

 

45 of 51

Page 53
Image 53
Roberts Gorden 300, 200, 350, 150, 400, 250, 225, 175 service manual Ignition Control, Axial Fan/Guard/Motor Assembly

175, 225, 300, 250, 400 specifications

Roberts Gorden is a recognized leader in the field of heating solutions, particularly renowned for the development of its innovative radiant heating systems. The lineup of models including the Roberts Gorden 250, 300, 400, 150, and 225 features a blend of advanced technology, exceptional efficiency, and versatile applications that cater to various industrial and commercial needs.

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The Roberts Gorden 250 model is specifically designed for smaller spaces, offering compact efficiency without sacrificing power. It features an adjustable output, allowing for tailored heating based on specific requirements. The advanced burner technology ensures optimum combustion efficiency, translating to cost savings on fuel consumption.

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