Carrier RTU OPEN 11-808-427-01 - Manual (Page 74)

Appendix A: RTU Open Points/Properties
68 RTU Open
Point Name/Description Default/Range
Occupied High CO2 Alarm Limit – The value that the CO
2
sensor must exceed to
generate an IAQ Alarm in the occupied mode. There is a fixed hysteresis of 100ppm
for return to normal. Requires a space CO2 sensor and Configuration >Unit
Configuration >Input 1 (or 2) Function set to IAQ Sensor.
D:
R: 1200ppm
0 to 9999 ppm
Service Configuration
Navigation: i-Vu / Field Assistant:
BACview: Properties > Equipment > Configuration > Service Configuration
HOME > CONFIG > SERVICE
Point Name/Description Default/Range
Unit Type – The type of equipment that the RTU Open is controlling.
Options:
Heat/Cool – Standard rooftop air handling unit.
HP O/B Ctrl – Heat Pump application, uses reversing valve output to control heating
and cooling.
HP Y1/W1 Ctrl – Carrier Heat Pump application only.
D:
R: Heat/Cool
Heat/Cool
HP O/B Ctrl
HP Y1/W1 Ctrl
Compressor Stages – The number of mechanical cooling stages. D:
R: One Stage
One Stage
Two Stages
Economizer Exists – Set to Yes to enable economizer control for units equipped with
an economizer damper.
D:
R: No
No/Yes
Heat Type – The type of heating that the unit has. D:
R: Electric
Electric/Gas
Number Of Heat Stages – The number of heat stages. D:
R: 2
1 /2 /0 (no heating)
Continuous Occupied Exhaust – Configures the exhaust fan control strategy (BO-8). If
Yes , the power exhaust runs continuously in occupied mode and is off in unoccupied
mode. If No, the power exhaust is controlled by the Power Exhaust Setpoint.
D:
R: No
No/Yes
Indoor CO2 Sensor Value @min (ma) – The CO2 value that corresponds to a 4mA
input at the appropriate input channel.
D:
R: 0 ppm
0 to 9999 ppm
Indoor CO2 Sensor Value @max (ma) – The CO2 value that corresponds to a 20mA
input at the appropriate input channel.
D:
R: 2000 ppm
0 to 9999 ppm
Outdoor CO2 Sensor Value @min (ma) – The CO2 value that corresponds to a 4 mA
input at the appropriate input channel.
D:
R: 0 ppm
0 to 9999 ppm
Outdoor CO2 Sensor Value @max (ma) – The CO2 value that corresponds to a 20 mA
input at the appropriate input channel.
D:
R: 2000 ppm
0 to 9999 ppm