Return air applications - PENN Controls - LIT-125118 - A25AN - A25CN - A25CP - Electromechanical Temperature Control - A25 Warm Air Limit Control

A25 Series Warm Air Control with Manual Reset Product/Technical Bulletin
Brand
PENN Controls
Product name
A25 Warm Air Limit Control
Document type
Product Bulletin
Technical Bulletin
Document number
LIT-125118
Part number
24-7664-656
Document revision
C
Revision date
2021-09-29
Language
English

Procedure

  1. After completing the installation and wiring procedures, turn on the power to the circuit.
  2. Turn the setpoint knob counterclockwise until the A25 shuts down the system. The A25 should lockout and the alarm or signal (if applicable) should activate.
    Note: The setpoint at shutdown should equal the approximate duct air temperature.
  3. Turn the setpoint knob clockwise to the desired setpoint. Nothing should happen.
  4. Press the reset lever. The system should restart and the alarm or signal (if applicable) should shut off.