A52x Series Refrigeration Controller with Adaptive Defrost Installation Instructions
9
Repair Information
Do not attempt to repair the A52x Controller. In case of a defective or improperly functioning controller, contact your
nearest authorized Johnson Controls/PENN Distributor or Sales Representative. When contacting your Johnson
Controls/PENN Distributor, have the model number of the controller available. This number can be found on the
label inside the cover of the controller.
Cleaning Information
Remove any loose debris from the controller. Use a soft cloth with a detergent solution to wipe the outside surface.
Rinse the cloth with clean water and wipe the controller until clean. Dry the controller with a soft cloth.
Full Load Amperes (LC/LNO and LC/LNC) -- 9.8 A 4.9 A 4.9 A
Locked Rotor Amperes (LC/LNO and LC/LNC) -- 58.8 A 29.4 A 29.4 A
Resistive Amperes (LC/LNO and LC/LNC) 10 A 10 A 10 A 10 A
Pilot Duty VA (LC/LNO and LC/LNC) 125 VA at 24 to 240 VAC
Table 7: SPST Low Speed Fan or Auxiliary (LO-SPD AUX) Relay Electrical Ratings
1
Agency and File UL 60730 EN 60730
Applied AC Voltage at 50/60 Hz 24 VAC 120 VAC 240 VAC 240 VAC
Horsepower -- 1/2 HP 1/2 HP 1/2 HP
Full Load Amperes -- 9.8 A 4.9 A 4.9 A
Locked Rotor Amperes -- 58.8 A 29.4 A 29.4 A
Resistive Amperes 10 A 10 A 10 A 10 A
Pilot Duty VA 125 VA at 24 to 240 VAC
1. Included on the A525 Controller but not on the A524 Controller.
Table 8: SPST High Speed Fan (HI-SPD) Relay Electrical Ratings
Agency and File UL 60730 EN 60730
Applied AC Voltage at 50/60 Hz 24 VAC 120 VAC 240 VAC 240 VAC
Horsepower -- 1/2 HP 1/2 HP 1/2 HP
Full Load Amperes -- 9.8 A 4.9 A 4.9 A
Locked Rotor Amperes -- 58.8 A 29.4 A 29.4 A
Resistive Amperes 10 A 10 A 10 A 10 A
Pilot Duty VA 125 VA at 24 to 240 VAC
Table 9: SPST Defrost Relay Electrical Ratings
Agency and File UL 60730 EN 60730
Applied AC Voltage at 50/60 Hz 24 VAC 120 VAC 240 VAC
240 VAC
1
Resistive Amperes 10 A
24 A
1
24 A
1
24 A
1
Pilot Duty VA 125 VA at 24 to 240 VAC
1. Rated for 24 A at temperatures up to 45°C (113°F). From 45C° to 60C° (113F° to 140F°), the Ampere rating decreases from
24 A to 15 A at a rate of 0.6 A per 1°C. The A525 Controller is not rated for use in ambient conditions above 60°C (140°F).
Table 6: SPDT Alarm Relay Electrical Ratings
Agency and File UL 60730 EN 60730