BAS-SVP18D-EN
23
Table 6. Binary inputs
Object Type
Object Name
Min / Max
When the Point
Exists
Description
BI1
Supply Fan Status
None/None
All Units.
Normally Closed Input
• 0 = On
• 1 = Off
BI2
ESTOP
All Units.
Normally Open Input. Auto-
Reset diagnostic.
• 0 = Normal
• 1 = ESTOP
BI3
Filter Status
All Units.
Normally open input.
• 0 = Clean
• 1 = Clogged
BI4
Occupancy Input
All Units.
Normally open input.
• 0 = Unoccupied
• 1 = Occupied
BI5
OA Damper End Switch
All Units.
Normally open input.
• 0 = Not Proven
• 1 = Proven
BI6
Gas Valve Status
Units with Gas as the
Primary Heat.
Normally open input.
• 0 = Off
• 1 = On
BI7
Exhaust Damper
Endswitch
Units with Isolation
Dampers.
Normally open input.
• 0 = Not Proven
• 1 = Proven
BI8
Water Flow
Units that are Water
Source Heat Pump.
Normally open input.
• 0 = Off
• 1 = On
BI9
Water Coil Low Temp
Switch
Units that are Water
Source Heat Pump.
Normally closed input.
• 0 = Open
• 1 = Closed
Table 7. Binary outputs
Object Type
Object Name
Min /Max
When the Point
Exists
Description
BO1
Supply Fan Start Stop
Command
None/None
All Units.
• 0 = Off
• 1 = On
BO2
Outdoor Air Damper
Command
All Units.
• 0 = Open
• 1 = Closed
BO3
Heat 1 Command
Units with Primary Heat.
• 0 = Off
• 1 = On
BO4
Inducer Command
Units with Gas as the
Primary Heat.
• 0 = Off
• 1 = On
BO5
Compressor 3 Command
Units with 3+
Compressors.
• 0 = Off
• 1 = On
BO6
Compressor 4 Command
Units with 4+
Compressors.
• 0 = Off
• 1 = On
BO7
Heat 2 Command
Units with Gas as the
Primary Heat and is a
Split Manifold Burner.
• 0 = Off
• 1 = On
BO8
Heat 3 Command
Units with Gas as the
Primary Heat and has
Two Heaters.
• 0 = Off
• 1 = On
BO9
Exhaust Damper
Actuators
Units with Isolation
Dampers.
• 0 = Off
• 1 = On
BO10
Powered Exhaust Enable
Units with Isolation
Dampers or has Dual
Point Power.
• 0 = Off
• 1 = On
BO11
Compressor 1 Command
Units with 1+
Compressors.
• 0 = Off
• 1 = On
BO12
Compressor 2 Command
Units with 2+
Compressors.
• 0 = Off
• 1 = On
BO13
Pre-Heat Enable
Units with Pre-Heat.
• 0 = Off
• 1 = On
BO14
Condenser Fan Command
Units with Sound
Attenuation Package or
an Air Source Heat Pump.
• 0 = Off
• 1 = On
BO15
ERV Command
Units with an ERV.
• 0 = Off
• 1 = On
BO16
Circuit 1 Reversing Valve
Units that are Heat
Pump.
• 0 = Off
• 1 = On
BO17
Circuit 2 Reversing Valve
Units that are Heat Pump
and Two Circuits.
• 0 = Off
• 1 = On