User Guide

BACnet Int egration Guide – DOAS_08.000 Rev 2 Page | 10
Device Alarm Word Table (IV-9)
Bit Device_Alarm_Word Bit Device_Alarm_Word Bit Device_Alarm_Word
0 Cold Coil Temperat ure Sensor Alarm 11 GreenTrol OAD AFM S Alarm 22 Inverter Scroll 1 Alarm
1 12 Ret urn CO2 Sensor Alarm 23
2 Mixed Temperature Sensor Alarm 13 Ret urn Duct St atic Pressure Sensor Alarm 24 EVD Valve A Alarm
3 Supply Duct St at ic Pressure Sensor Alarm 14 Ret urn Tem perat ure Sensor Alarm 25
4 Supply Fan AFM S Alarm 15 Ret urn RH Sensor Alarm 26 SF VFD Alarm
5 Supply Air Temp Sensor Alarm 16 Space CO2 Sensor Alarm 27
6 Exhaust Fan AFM S Alarm 17 Space RH Sensor Alarm 28
7 Exhaust Temperature Sensor Alarm 18 Space Static Pressure Sensor Alarm 29
8 Outside Air Temp Sensor Alarm 19 Space Temperat ure Sensor Alarm 30
9 Outside RH Sensor Alarm 20 IG Furnace Alarm 31
10 OAD AM D Alarm 21
System Word Table (IV-10)
Bit System_Word Bit System_Word Bit System_Word
0 Heat Wheel Enable 11 Drain Pan Alarm 22 BM S Offline Alarm
1 Preheat Enable 12 Freeze St at Alarm 23
2 Reversing Valve (Cooling (0)/ Heating(1)) 13 Filter Alarm 24
3 14 Space High Stat ic Alarm 25
4 15 Ret urn Low Static Alarm 26
5 16 Shut down Input Alarm 27
6 Supply Temp Low Limit Alarm 17 Energy Recovery Wheel High Diff Pr essure 28
Heat-Cool Only - Dehumidification Request
Active
7 Supply Temp High Limit Alarm 18 Energy Recovery Wheel Rotat ion Alarm 29 Heat-Cool Only - Heating Request Active
8 Supply High Duct St atic Alarm 19 30 Heat-Cool Only - Coil Setpoint Alarm Active
9 Supply Fan 1 Alarm 20 Heat Pump Heat ing Lock Out Alarm 31
Heat-Cool Only - Supply Setpoint Alarm
Active
10 Exhaust Fan 1 Alarm 21 Permanent M emory - Too M any Writ es
Unit Status Word Table (IV-11)
Bit Unit_Status_Word Bit Unit_Status_Word Bit Unit_Status_Word
0 Off/ Standby 11 Remot e Off 22 Dehumidifying
1 Unoccupied Start 12 System Shut down Alarm 23 Hot Gas Reheat Active
2 Occupied St art 13 Supply Fan Only 24 HGRH Purging
3 Opening Dampers 14 Exhaust Fan Only 25 Dehum w/ Heat
4 Dampers Open 15 Purge M ode (Supply and Exhaust Only) 26 Energy Recovery Defrost Active
5 Fan St art Delay 16 Case Heat Active 27 Heat Pump Defrost Active
6 Exhaust Fan On 17 Fans Only 28 M orning Warm Up/ Cool Down Active
7 Supply Fan On 18 Economizing 29 Wint er Ramp Active
8 System On 19 Energy Recovery Active 30
9 Soft Shut dow n 20 Cooling 31 Overr ides Active
10 System Disabled 21 Heating