Alarm Message

Action Required

 

 

Remote temperature

Alarm setpoint may be too low.

high

Check the sensor placement. Ensure that the sensor is able to sense the

 

 

cool supply air from the unit.

 

Check that the sensor is not near a direct heat source such as an

 

equipment discharge fan, a room supply duct, a window, direct sunlight,

 

or a room entrance.

 

Equipment capacity may be too small for room load.

 

Check that the equipment is cooling. Verify that there is at least an 8°C

 

(15°F) temperature difference between supply and return air.

 

 

Remote temperature

Alarm setpoint may be too high.

low

Verify that the return air is not coming from a cold air supply source such

 

 

as a room discharge duct or an open window.

 

 

Remote humidity high

Alarm setpoint may be too low.

 

Alarm delay may be too short. Allow sufficient time to let the equipment

 

bring space humidity under control. This is especially true with new

 

equipment start-up.

 

Remote sensor may be located near a moisture source such as an open

 

sink, a window, or an entrance to an unconditioned space.

 

Equipment capacity may be too large for space. Reduce fan speed to low.

 

 

Remote humidity low

Alarm setpoint may be too high.

 

 

Air filter clogged

Change the filter.

 

 

Water collection pan

Check the drain line for kinks, blockages, excessive length, or excessive

full

lift.

 

Check the drain line connection on the rear of the unit for proper

 

connection. Ensure the quick connect fitting is inserted and locked into

 

the unit drain connection.

 

 

User contact 1 alarm

Check the connected device.

 

 

User contact 2 alarm

Check the connected device.

 

 

User contact 3 alarm

Check the connected device.

 

 

Equipment shutdown

Verify remote stop.

via remote stop

 

 

 

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NetworkAIR ACPA4000

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APC ACPA4000 manual Alarm Message, Action Required, Remote temperature