Carrier 11-808-427-01 Air Conditioner User Manual


 
Appendix A: RTU Open Points/Properties
66 RTU Open
Point Name/Description
Default/Range
Unoccupied High SPT Alarm Limit
The value that the space temperature must
exceed to generate a
Space Temperature Alarm
D:
in the unoccupied mode. There is a
fixed hysteresis of 1° F for return to normal.
R:
90°F
-60 to 250°F
Supply Air Temperature Alarm
Low SAT Alarm Limit
The value that the supply air temperature must drop below to
generate a
Supply Air Temp Alarm
D:
. There is a fixed hysteresis of 1° F for return to
normal.
R:
45°F
-60 to 250°F
High SAT Alarm Limit
The value that the supply air temperature must exceed to
generate a
Supply Air Temp Alarm
D:
. There is a fixed hysteresis of 1° F for return to
normal.
R:
120°F
-60 to 250°F
Space Humidity Alarm
Low Space Humidity Alarm Limit
The value that the relative humidity must drop
below to generate a Low Space Humidity Alarm. Requires a space relative humidity
transmitter and
Configuration
>
Unit Configuration
>
Input 1
(or
2
)
Function
set to
Space RH Sensor
D:
.
R:
30%
0 – 99 %
High Space Humidity Alarm Limit
The value that the relative humidity must rise
above to generate a High Space Humidity Alarm. Requires a space relative humidity
transmitter and
Configuration
>
Unit Configuration
>
Input 1
(or
2
)
Function
set to
Space RH Sensor
D:
.
R:
70%
0 – 99 %
IAQ/Ventilation Alarm
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
i-Vu / Field Assistant:
Navigation:
BACview:
Properties
>
Equipment
>
Configuration
>
Service Configuration
HOME > CONFIG > SERVICE
Point Name/Description
Default/Range
Unit Type
Options:
The type of equipment that the RTU Open is controlling.
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
D:
Carrier Heat Pump application only.
R:
Heat/Cool
Heat/Cool
HP O/B Ctrl
HP Y1/W1 Ctrl