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Premium Commercial Controls
ERV
7.1 FROST CONTROL ..................................................60
7.2 SINGLE FAN MODE ...............................................61
7.3 USE ROOM TEMP AND HUMIDITY RATHER
THAN RETURN ......................................................61
7.4 LIMIT SETPOINT RANGES FOR USERS ...................61
7.5 ADJUSTMENTS FOR TWO-STAGE COOLING ............62
7.6 TURN UNIT ON AND OFF BASED ON CO2 LEVEL .....62
7.7 FLUSH FEATURE ...................................................63
8.0 VERIFYING I/O AND UNIT WIRING
8.1 VERIFYING ALL I/O THROUGH UNIT
STATUS SCREENS .................................................64
8.3.1 Sensor Inputs .................................................................. 64
8.3.2 Digital Inputs ................................................................... 66
8.3.3 Digital Outputs ................................................................ 67
8.3.3.1 Factory-Installed Gas Module Wiring—Digital ............... 67
8.3.4 Analog Outputs ................................................................ 68
8.3.4.1 Factory-Installed Gas Module Wiring—Analog ............... 68
8.3.5 Sample Power Wiring Schematic ...................................... 69
8.3.6 Sample Control Wiring Schematic .................................... 70
8.3.7 Sample Field Wiring Schematic ........................................ 71
9.0 ALARMS AND TROUBLESHOOTING
9.1 ALARMS ...............................................................72
9.1.1 Acknowledging Alarms ..................................................... 72
9.1.2 Viewing Alarms and Alarm Log ......................................... 72
9.1.3 Resetting Alarms ............................................................. 73
9.1.4 Alarm Digital Outputs ....................................................... 73
9.1.5 Specific Alarms and Their Meaning ....................................74
9.1.5.1 General Alarms...............................................................74
9.1.5.2 Supply and Exhaust Alarms ........................................... 75
9.1.5.3 Airflow Condition Alarms ............................................... 76
9.1.5.4 Sensor Alarms .............................................................. 79
9.1.5.5 Filter Alarms ................................................................. 80
9.1.5.6 Maintenance Alarms ..................................................... 80
9.2 TEST END DEVICES ...............................................81
9.2.1 Supply or Exhaust Fan Alarm Troubleshooting ................... 81
9.3 OTHER COMMON PROBLEMS ................................83
9.5.1 User Commissioning Settings (Service) ............................. 84
TABLE OF CONTENTS
9.5.2 Restore Factory Settings ................................................. 85
9.5.3 General Save and Restore ................................................ 85
9.5.4 Code List for Save and Restore ........................................ 86
9.5.5 Return to Program Defaults .............................................. 86
10.1 CONNECTIONS USING THE MICRO USB PORT ......87
10.2 ALARMS AND DATA LOGS ...................................88
10.3 VIEWING PARAMETER FILES ...............................89
10.4 PERFORMING UPDATES TO THE CONTROLLER .....90
10.4.1 Upgrade Type: Connect via USB ..................................... 90
10.4.2 Upgrade Type: Connect with a USB Thumb Drive ........... 91
10.4.3 Upgrade Type: Connect via Ethernet ............................... 91
11.0 GENERAL SYSTEM MONITORING
11.1 MAIN SCREEN ....................................................92
11.2 OTHER STANDARD SCREENS ..............................92
11.3 FAN AND UNIT STATUS SCREENS ........................92
11.4 FIELD-INSTALLED SENSOR SCREENS ..................93
11.5 TEMPERING SCREENS ........................................94
12.1 SETTING CONTROL LEVEL ...................................96
12.2 SETTING BMS TYPE ............................................96
12.3 BACNET ............................................................97
12.3.1 BACnet IP Connection .................................................... 97
12.3.2 BACnet IP Settings ......................................................... 97
12.3.3 BACnet MSTP Settings ................................................... 98
12.3.4 BACnet MSTP Wiring ...................................................... 98
12.4 BACNET OBJECT LIST .........................................99
12.5 BACNET APPLICATION NOTES ...........................103
12.5.1 Turning the Unit On and Off ...........................................103
12.5.2 Alarms..........................................................................104
12.5.3 Temperature and Humidity Around the ERV ....................104
12.5.4 Fan Control ...................................................................105
12.5.5 Tempering Control ........................................................105
12.5.5.1 Determining Tempering Mode .....................................106
12.5.5.2 Heating Control ..........................................................106