Carrier RTU Open v3 User Manual

Appendix A: RTU Open Points/Properties in i-Vu®/Field Assistant
RTU Open v3 CARRIER CORPORATION ©2019
Installation and Start-up Guide All rights reserved
64
Point Name/Description
Range
Economizer Purge Min Pos
– The minimum outdoor air damper position maintained
during an unoccupied purge cycle when the Pre-Occ Purge mode is active.
D:
R:
40% Open
0 to 100% Open
Low Fan Econ Min Pos
– The minimum outdoor air damper position maintained during
occupied periods when the fan is running at low speed (if configured for 2-speed fan
control) or the minimum VFD speed (if configured for variable speed fan control).
D:
R:
33% Open
0 to 100% Open
DCV Max Vent Damper Pos
– The maximum outdoor air damper position allowed while
DCV is active.
D:
R:
50% Open
0 to 75% Open
Supply Fan Service Alarm Timer
– A Supply Fan Runtime alarm is generated when the
supply fan run hours exceed this value. Set to 0 to disable.
D:
R:
600 hr
0 to 9999 hr
Compressor 1 Service Alarm Timer
– A Compressor 1 Runtime alarm is generated
when the compressor 1 run hours exceed this value. Set to 0 to disable.
D:
R:
0 hr
0 to 9999 hr
Compressor 2 Service Alarm Timer
– A Compressor 2 Runtime alarm is generated
when the compressor 2 run hours exceed this value. Set to 0 to disable.
D:
R:
0 hr
0 to 9999 hr
Filter Service Alarm Timer
– The amount of time the fan will run before generating a
Filter Alarm
. Set to 0 to disable the alarm and reset accumulated fan hours.
D:
R:
600 hr
0 to 9999 hr
Door Alarm Delay
– Determines the amount of delay before a door alarm is generated. D:
R:
60 seconds
0 to 3600 seconds
Pushbutton Override
– Enables or disables the use of a pushbutton override from a
local space temperature sensor.
D:
R:
Enable
Disable/Enable
Setpoint Adjustment
– Enables or disables the setpoint adjustment mechanism on the
local space sensor. Not displayed unless ZS or SPT sensor is connected.
D:
R:
Enable
Disable/Enable
Setpoint Adjustment Range
- The maximum amount that a user can adjust the setpoint
on the local ZS or SPT sensor. Not displayed unless ZS or SPT sensor is connected.
D: 5
°F (2.7 °C)
Cooling Lockout Temperature
– Cooling is inhibited below this outdoor air temperature. D:
R:
45°F (7.2°C)
-65 to 80°F
(-53.9 to 26.6°C)
Economizer High OAT Lockout
Temp
– The outdoor air temperature above which
economizer cooling is inhibited.
D:
R:
75°F (23.9°C)
55 to 80°F
(12.7 to 26.6°C)
HP Rev Cycle Lockout Temp
– The outdoor air temperature below which reverse cycle
heating is locked out. Once reverse cycle heating has been locked out, the OAT must
rise 2
°F (1.1 °C) above this value to again allow heat pump reverse cycle heating.
Requires that the unit be configured as a Heat Pump.
D:
R:
-3°F (-19.4°C)
-20 to 65°F
(-28.9 to 18.3°C)
HP Aux Heat Lockout Temp
– The outdoor air temperature above which auxiliary
heating is locked out. Once aux heat has been locked out, the OAT must fall 2
°F
(1.1
°C) below this value to again allow aux heating. Requires that the unit be
configured as a Heat Pump.
D:
R:
40°F (4.4°C)
-20 to 65°F
(-28.9 to 18.3°C)
Heating Lockout Temperature
– Heating is inhibited above this outdoor air
temperature.
D:
R:
65°F (18.3°C)
35 to 150°F
(1.6 to 65.5°C)

Carrier RTU Open v3 Specifications

General

Brand	Carrier
Model	RTU Open v3
Category	Controller
Language	English