Why are the Stage 1 fans running continuously at full speed on my AP TC5-1N5FAB Controller?
If the Stage 1 fans of your AP Controller are running continuously at full speed, first, check and correct the wiring. If the wiring is correct, the ambient temperature might be above the set point. In that case, adjust the set point to the desired value.
What to do if Stage 1 fans on AP TC5-1N5FAB Controller won't stop during minimum ventilation cycle?
If Stage 1 fans on your AP Controller do not stop running during the minimum ventilation cycle, verify that the 'time off' setting is not set to zero; if it is, change it to a value greater than zero. Also, ensure the wiring is correct, specifically that line L1 modulated by the controller is combined with another line (N for 115V or L2 for 230V) to activate the motor and that stage 1 COMMON is supplied by line L1. Finally, check if humidity compensation is activated and if the relative humidity exceeds the set point; adjust the set point or deactivate compensation as necessary.
How to fix an AP Controller when the display doesn't work?
If the display of your AP Controller is not working, check the following: Ensure the circuit breaker on the service panel is on and not tripped, verify the wiring is correct, replace the fuse if it's open, set the voltage selector switch to the correct position, and ensure the display board interconnect cable is properly plugged into the power supply board.
Why are Stage 1 fans not running on my AP TC5-1N5FAB Controller?
If Stage 1 fans on your AP Controller are not running, check the wiring, ensuring two different lines are connected to each motor: line L1 modulated by the controller should be combined with another line (N for 115V or L2 for 230V) to activate the motor, and that the Stage 1 COMMON is supplied by line L1. Replace the fuse if it's open. Make sure the display board interconnect cable is firmly plugged in with the tabs in place. Adjust the minimum speed to a higher value. If the issue persists, test the fan motor with an alternate power supply; replace it if it remains defective.
What to do if one of the other stages is not operating on my AP TC5-1N5FAB Controller?
If one of the other stages of your AP Controller is not operating, first replace the fuse. Then, ensure the display board interconnect cable is firmly plugged in. Correct the wiring, ensuring that two different lines are connected to each motor: line L1 modulated by the controller should be combined with another line (N for 115V or L2 for 230V). Also, make sure the Stage COMMON is supplied by line L1. Test the motor or heating unit with an alternate power supply; replace it if it remains defective. If there is no clicking sound when the Stage's pilot light turns on, contact your distributor to repair the controller.
How to stop the AP TC5-1N5FAB display from showing sudden room temperature variations?
If the display of your AP Controller shows sudden variations in room temperature, ensure the probes are dry and moved away from drafts and radiant heating sources. Also, do not run probe cables next to other power cables, and cross them at a 90-degree angle if they must intersect.
Why are Stage 1 fans running erratically on my AP Controller?
If the Stage 1 fans on your AP Controller are running erratically, select an appropriate motor curve. Adjust the differential to a higher value and adjust the time on or time off to a higher value.
How to fix the letter "P" on the AP TC5-1N5FAB display?
To resolve the 'P' displayed on your AP Controller, fix the probe's connection.
General| Brand | AP |
|---|---|
| Model | TC5-1N5FAB |
| Category | Controller |
| Language | English |
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