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A70 Series Low Temperature Cutout Thermostat Line Voltage Technical Bulletin

PENN Controls
Product name
A70 and A72 Temperature Control
Document type
Technical Bulletin
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Part number
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  • Locate the thermostat case and bellows where the ambient temperature is always warmer than the set point. The thermostat operates only from the lowest temperature along the entire 20 foot sensing element. Avoid sharp bends or kinks in the sensing elements.

The thermostat may be mounted to a wall surface or panel board using the two mounting holes provided in the back of the case. The desired mounting position is with the element bellows pointing down.

For accurate thermostat operation, the sensing element should be horizontally serpentined across the face of the coil to sense temperature in all areas.

Figure 1. Recommended mounting and sensing element installation.