APC NETWORKAIR ACPA4000 User Manual download pdf (Page 40)

NetworkAIR ACPA400032

Remote temperature

high

Alarm setpoint may be too low.

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

low

Alarm setpoint may be too high.

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

full

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

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

via remote stop

Verify remote stop.

Alarm Message Action Required

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APC NETWORKAIR ACPA4000 User Manual Page 40