Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 A Uživatelský manuál stáhnout pdf (Strana 9)

Examples of Alarms

If an alarm occurs, the

button will glow red on the controller and the remote display (if installed).

Examples of Alarms

Outdoor Air Temperature

Sensor Failure

Failure of outside air temperature sensor. Alarm only

Supply Air Temperature

Sensor Failure

Failure of supply air temperature sensor. Alarm & Shutdown

Cold Coil Temperature

Sensor Failure

Failure of after cooling coil air temperature sensor. Alarm only

Room Temperature

Sensor Failure

Failure of room temperature sensor.

(If Unoccupied - Cycle On Room is enabled)

Alarm only

System has exceeded the

set number of run hours

The unit has been operating for a period longer than the

maintenance set point.

Alarm only

Supply airflow Indicates a loss of airflow in the supply fan. Alarm & Shutdown

Wheel Pressure

- Dirty Wheel/High CFM

Indicates a buildup of pressure across the energy wheel. Alarm only

Energy recovery wheel

rotation. Check wheel.

Indicates a wheel rotation failure. Alarm only

Exhaust Airflow Indicates a loss of airflow in the exhaust fan. Alarm & Shutdown

Filter Alarm Indicates a buildup of pressure across the filters. Alarm only

A compressor limit

switch has tripped

Indicates a high or low refrigerant pressure switch has tripped. Alarm only

Supply temperature low

limit alarm

Indicates a supply air temperature lower than the supply low limit

set point.

Alarm & Shutdown

Cold Coil Low Limit Indicates a cold coil temperature lower than the cold coil low limit

Alarm & discharge air sensor

lockout

pCOe Offline Indicates communication with pCOe auxiliary I/O has failed. Alarm only

pCOe - Analog input

probe on channel #

disconnected or broken

Indicates an analog probe failure on the pCOe. Check integrity of

auxiliary I/O analog probes.

Alarm only

Building Pressure Sensor

Failure

Failure of building pressure sensor Alarm & minimum fan speed

Duct Pressure Sensor

Failure

Failure of duct pressure sensor Alarm & minimum fan speed

Room Humidity Sensor

Failure

Failure of room RH sensor Alarm only

Outdoor Air Humidity

Sensor Failure

Failure of outdoor air humidity sensor Alarm only

CO2 Sensor Failure Failure of CO2 sensor Alarm & minimum fan speed

To view alarm, press the

button once. This will display the most recent alarm.

Press the

button again to reset the alarm. If the alarm cannot be cleared,

the cause of the alarm has not been fixed. Press the

buttons to view any

additional occurring alarms.

Alarms

Press DOWN to review

current alarm(s).

Press ESC to exit.

Press ALARM to reset.

This is an example of an outdoor air sensor failure.

Outside Air Temperature

Sensor B01 Failure

This screen appears if there are no active alarms.

To view all saved alarms, press the

button to enter the DATA LOGGER. For

more information, see the Data Logger menu.

Alarms

No active alarm

Press ENTER

to DATA LOGGER

DDC Controller for Tempered Air Products

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