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Appendix A: RTU Open Points/Properties
Point Name/Description
HP Rev Cycle Lockout Temp
heating is locked out. Requires that the unit is configured as a Heat Pump.
Heating Lockout Temperature
inhibited.
Unocc Free Cool Enable
– Enable to allow the unit to use economizer to provide
unoccupied free cooling (NTFC).
Occupancy Source
- The method that the controller uses to determine occupancy.
Options:
Always Occupied = Controller operates continuously as occupied.
BACnet Schedule = Controller follows a schedule set up in i-Vu or Field Assistant.
BAS On/Off = Occupancy is set over the network by another device or a third party BAS.
Remote Occ Input
=Occupancy is set by a remote contact.
Input Configuration
Input 1 Function
– The type of sensor (4-20 mA) connected to terminals J4 – 4, 5, & 6.
Input 2 Function
– The type of sensor (4-20 mA) connected to terminals J4 – 1, 2, & 3.
Input 3 Function – The usage of Input 3. You must also set Input 3 Switch Configuration
Options:
No Function – The input is not used.
Compressor Safety – Safety device status.
Fan Status – Proves supply fan operation.
Filter Status – Indicates a dirty filter.
Remote Occupancy – Sets occupancy using a hardware contact.
Door Contact
– Sets occupancy using a hardware contact.
Input 3 Switch Configuration
terminated at Input
Input 5 Function – The usage of Input 5. You must also set Input 5 Switch Configuration
Options:
No Function – The input is not used.
Fire Shutdown – Fire Safety device status. Inhibits operation when tripped.
Fan Status – Proves supply fan operation.
Filter Status – Indicates a dirty filter.
Remote Occupancy – Sets occupancy using a hardware contact.
Door Contact
– Sets occupancy using a hardware contact.
Input 5 Switch Configuration
terminated at Input
60
– The outdoor air temperature at which reverse cycle
– The outdoor air temperature at which heating is
– The normal (de-energized) state for the set of contacts
– The normal (de-energized) state for the set of contacts
Default/Range
D:
-3°F
R:
-20 to 30°F
D:
65°F
R:
35 to 150°F
D:
Disable
R:
Disable/Enable
D:
Always Occupied
R:
Always Occupied
BACnet Schedule
BAS On/Off
Remote Occ Input
D:
No Sensor
R:
No Sensor
IAQ Sensor
OAQ Sensor
Space RH Sensor
D:
No Sensor
R:
No Sensor
IAQ Sensor
OAQ Sensor
Space RH Sensor
.
D:
Compressor Safety
R:
No Function
Compressor Safety
Fan Status
Filter Status
Remote Occupancy
Door Contact
D:
NO
R:
NO/NC (normally
open/normally closed)
.
D:
Fire Shutdown
R:
No Function
Fire Shutdown
Fan Status
Filter Status
Remote Occupancy
Door Contact
D:
NC
R:
NO/NC (normally
open/normally closed)
RTU Open
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