Carrier RTU OPEN 11-808-427-01 - Page 73

RTU Open 67
Point Name/Description
Default/Range
Compressor Stages
D: – The number of mechanical cooling stages.
R:
One Stage
One Stage
Two Stages
Economizer Exists
– Set to
Yes
D: to enable economizer control for units equipped with
an economizer damper.
R:
No
No/Yes
Heat Type
D: – The type of heating that the unit has.
R:
Electric
Electric/Gas
Number Of Heat Stages
D: – The number of heat stages.
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
D:
Power Exhaust Setpoint.
R:
No
No/Yes
Indoor CO2 Sensor Value @min (ma)
D: – The CO2 value that corresponds to a 4mA
input at the appropriate input channel.
R:
0ppm
0 to 9999 ppm
Indoor CO2 Sensor Value @max (ma)
D: – The CO2 value that corresponds to a 20mA
input at the appropriate input channel.
R:
2000 ppm
0 to 9999 ppm
Outdoor CO2 Sensor Value @min (ma)
D: – The CO2 value that corresponds to a 4 mA
input at the appropriate input channel.
R:
0ppm
0 to 9999 ppm
Outdoor CO2 Sensor Value @max (ma)
D: – The CO2 value that corresponds to a 20 mA
input at the appropriate input channel.
R:
2000 ppm
0 to 9999 ppm
System Space Temperature
D: – The network space temperature value that the
controller is using for control (if applicable).
R:
-999.00 °F
N/A
System Cool Demand Level
D: – The system cool demand level being received over the
network.
R:
0.00
0 - 3
System Heat Demand Level
D: – The system heat demand level being received over the
network.
R:
0.00
0 - 3
System Outside Air Temperature
D: – Allows the outside air temperature value to be
network readable when enabled. Requires that controller is equipped with an outdoor
air temperature sensor.
R:
-999.0°F
N/A
Service Test
Service Test
– Enable to stop automatic control so you can test the controller's
outputs. Automatically resets to
Disable
D:
after 1 hour.
R:
Disable
Disable/Enable
Fan Test
– Enable to test the controller's fan speeds. Sequences fan from low to high
speed and operates at each speed for 1 minute. Resets to
Disable
when complete.
Service Test
must be set to
Enable
D:
.
R:
Disable
Disable/Enable
Compressor 1 Test
– Enable to test the controller's compressor 1 output.
Service
Test
must be set to
Enable
D:
.
R:
Disable
Disable/Enable