Carrier RTU OPEN 11-808-427-01 - Page 66

Appendix A: RTU Open Points/Properties
60 RTU Open
Point Name/Description
Default/Range
HP Rev Cycle Lockout Temp
D: – The outdoor air temperature at which reverse cycle
heating is locked out. Requires that the unit is configured as a Heat Pump.
R:
-3°F
-20 to 30°F
Heating Lockout Temperature
D: – The outdoor air temperature at which heating is
inhibited.
R:
65°F
35 to 150°F
Unocc Free Cool Enable
D: – Enable to allow the unit to use economizer to provide
unoccupied free cooling (NTFC).
R:
Disable
Disable/Enable
Occupancy Source
Options:
- The method that the controller uses to determine occupancy.
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
D:
=Occupancy is set by a remote contact.
R:
Always Occupied
Always Occupied
BACnet Schedule
BAS On/Off
Remote Occ Input
Input Configuration
Input 1 Function
D: – The type of sensor (4-20 mA) connected to terminals J4 – 4, 5, & 6.
R:
No Sensor
No Sensor
IAQ Sensor
OAQ Sensor
Space RH Sensor
Input 2 Function
D: – The type of sensor (4-20 mA) connected to terminals J4 – 1, 2, & 3.
R:
No Sensor
No Sensor
IAQ Sensor
OAQ Sensor
Space RH Sensor
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
D:
– Sets occupancy using a hardware contact.
R:
Compressor Safety
No Function
Compressor Safety
Fan Status
Filter Status
Remote Occupancy
Door Contact
Input 3
Switch Configuration
D: – The normal (de-energized) state for the set of contacts
terminated at Input
R:
NO
NO/NC (normally
open/normally closed)
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
D:
– Sets occupancy using a hardware contact.
R:
Fire Shutdown
No Function
Fire Shutdown
Fan Status
Filter Status
Remote Occupancy
Door Contact
Input 5
Switch Configuration
D: – The normal (de-energized) state for the set of contacts
terminated at Input
R:
NC
NO/NC (normally
open/normally closed)