Installation

Pre-Installation Instructions

1.Inspect shipping carton for obvious signs of mishandling.

2.After removing the controller from the shipping carton, inspect it carefully for damage. Never attempt to install and use a damaged unit.

3.Verify that the ordering code number indicated on the side of the controller matches what was ordered.

33.780”."

(96 mm) (96mm)

 

3.780”

 

 

3.780"

 

 

(96mm)

 

 

(96 mm)

 

 

 

°F

 

ACTUAL

SETPOINT

01

02

0.25”

0.25"

(6.35mm) (6.35 mm)

3.5”

3.5"

(88.9mm) (88.9 mm)

Figure 1. Case Dimensions

Prior to mounting the OTC25 in your panel, make sure that the cutout opening is of the right size, 3.622" x 3.622" (92 mm x 92 mm), and deburred to enable a smooth fit. A minimum of 5.0" (127.0 mm) of depth behind the panel is required.

Mounting

Figure 2. Mounting Diagram

3.780”

 

 

0.25”

3.780"

 

 

0.25"

(96mm)

 

 

(96 mm)

 

 

(6.35mm)

 

 

 

(6.35 mm)

3.780”"

(96mm)m ACTUAL SETPOINT HEAT

3.5”

3.5"

(88.9mm) (88.9 mm)

MOUNTING

SCREWS

GASKET

PANELBRACKET

Before installing OTC25, ensure gasket seats evenly around edges of unit and that there are no breaks or tears in the gasket.

Insert the OTC25 through the front panel cutout, slide mounting “U” bracket around unit and secure it with the screws provided.

Gasket should be evenly compressed around all sides to provide liquid-tight mounting.

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Athena Technologies L, OTC25 N instruction manual Mounting, Pre-Installation Instructions