Trane Horizon OAKD, Installation, Operation And Maintenance Manual

Page: 46 / 104

System Configuration and Pre-Start
46 OAU-SVX01K-EN
BV-41
Energy Recovery Frost
Avoidance Status 0=Normal
1=Active
Status indicating when actively bypassing or
slowing down energy recovery wheel to prevent
frost accumulation.
BV-43 Ventilation Mode 0=Off 1=On
Status for ventilation mode, locking out heating
and cooling.
BV-44 Free Cooling Mode
0=Off
1=On
Status for free cooling mode, using outdoor air
temperature to maintain setpoint.
BV-45
Economizer Control
Type
● Enthalpy
0=DryBulb
1=Enthalpy
Used to switching between dry bulb or enthalpy
economizer.
BV-49
Mixed Air Low Limit
Active 0=Normal
1=Active
Auto-Reset:
BV-57
Defrost Mode Heat
Enable
0=Off 1=On
Status indicating supplemental heat during
outdoor coil defrost mode.
BV-61
Compressor Heating
Allowed
0=Allowed
1=Not
Allowed
Active status on whether heat pump is allowed.
BV-62
Compressor Cooling
Allowed
0=Allowed
1=Not
Allowed
Active status on whether cooling is allowed.
BV-63 Circuit 2 Status
0=Off
1=On
Feedback status on the circuit 1 refrigeration.
BV-64
Compressor Low
Ambient Lockout Active
0=Active
1=Not
Active
Status indicating that the unit is calling for cooling
but the compressors are locked out due to low
ambient
temperature.
MV-01 Occupancy Request ●
1 = Occupied
2 = Unoccupied
3 = Occupied Bypass 4 = Occupied Standby 5 =
Auto
MV-02 Occupancy Status
1 = Occupied
2 = Unoccupied
3 = Occupied Bypass 4 = Occupied Standby
MV-03
Heat Cool Mode
Request
●
1 = Auto
2 = Heat
3 = Morning Warm-up 4 = Cool
7 = Off
10 = Fan Only
11 = Economizing
15 = Dehumidify
MV-04 Heat Cool Mode Status See Heat Cool Mode Request (MV-03)
MV-05
Discharge Air
Temperature Setpoint
Source Status
1 = Discharge Air Cooling Setpoint BAS 2 =
Discharge Air Heating Setpoint BAS
3 = Discharge Air Temperature Setpoint BAS
4 = Reset for Space Comfort Control
MV-06
Emergency Override
BAS
● 1
1 = Normal
6 = Fire
MV-07
Space Temperature
Setpoint Source Status
1 = Occupied Heating Setpoint 2 = Occupied
Cooling Setpoint
3 = Thumbwheel (Space Temperature Setpoint
Local)
4 = Space Temperature Setpoint BAS
MV-08
Dehumidification
Temperature Source
Status
1 = Discharge Air Dewpoint
2 = Indoor Coil Coil Leaving Temperature
MV-09 Heat Type – Factory set heat type.
MV-10 Supply Fan Wheel Size – Factory set supply fan size.
Table 8. Chart of analog and binary input/output (continued)
# BACnet Point Name Write Default Range Units Description