Bard FUSION-TEC HR58APA Installation Support Materials page 3

Indoor Airflow ......................................................................................................................................... 33
Indoor Airflow Components ................................................................................................................ 33
Blower ...................................................................................................................................... 33
Filters ....................................................................................................................................... 34
Differential Airflow Switch ........................................................................................................... 34
Freezestat ................................................................................................................................. 34
Dirty Filter Switch ...................................................................................................................... 35
Filter Indicator Light .................................................................................................................. 35
Indoor Airflow Operation ................................................................................................................... 35
Blower Speed Control ................................................................................................................. 35
Indoor Airflow Alarms........................................................................................................................ 35
Blower Status Alarm ................................................................................................................... 35
Freezestat Alarm ........................................................................................................................ 36
Dirty Filter Alarm ....................................................................................................................... 36
Supply Air Temperature Alarm ..................................................................................................... 36
Condenser Fan ....................................................................................................................................... 36
Condenser Fan Components .............................................................................................................. 36
Condenser Fan ........................................................................................................................... 36
High Pressure Transducer ........................................................................................................... 37
Discharge Temperature Sensor .................................................................................................... 37
Condenser Fan Operation .................................................................................................................. 38
Condenser Fan Speed Control ...................................................................................................... 38
High Pressure Control ................................................................................................................. 38
Low Pressure Control .................................................................................................................. 38
Condenser Fan Alarms ...................................................................................................................... 39
Dirty Condenser Coil Alarm ......................................................................................................... 39
Compressor ............................................................................................................................................ 39
Compressor Components ................................................................................................................... 39
Compressor ............................................................................................................................... 39
Compressor Control Module (CCM) ............................................................................................... 39
High Pressure Safety Switch ....................................................................................................... 40
Phase Monitor ........................................................................................................................... 40
Compressor Operation ....................................................................................................................... 40
Compressor Alarms ........................................................................................................................... 40
Refrigerant High Pressure Alarm .................................................................................................. 40
Economizer ............................................................................................................................................ 41
Economizer Components ................................................................................................................... 41
Actuator .................................................................................................................................... 41
Damper Blade ............................................................................................................................ 41
Dust Sensor ............................................................................................................................... 41
Damper Switch .......................................................................................................................... 41
Outdoor Temperature and Humidity Combination Sensor ................................................................ 42
Supply Temperature Sensor ......................................................................................................... 42
Economizer Operation ....................................................................................................................... 43
Economizer Alarms ........................................................................................................................... 44
Damper Failed to Close Alarm ..................................................................................................... 44
Damper Failed to Open Alarm ..................................................................................................... 45
Outdoor Temperature Sensor Failure Alarm ................................................................................... 45
Outdoor Humidity Sensor Failure Alarm ........................................................................................ 45
Supply Temperature Sensor Failure Alarm .................................................................................... 45
Dust Sensor Failure Alarm .......................................................................................................... 45
Dust Limit Alarm ....................................................................................................................... 45
High Supply Air Temperature Alarm ............................................................................................. 46
Low Supply Air Temperature Alarm .............................................................................................. 46
Emergency Ventilation Mode .................................................................................................................... 46
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