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RTU Open 59
Unit Configuration
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UNIT
Point Name/Description
Default/Range
Fan Mode
Options:
– The supply fan's operating mode.
Auto
- The fan cycles on/off in conjunction with heating or cooling.
Continuous
- The fan runs continuously during occupancy & intermittently during
unoccupied periods with heating or cooling.
Always On
D:
- The fan runs continuously regardless of occupancy or calls for heating and
cooling.
R:
Continuous
Auto
Continuous
Always On
Unit Start Delay
D: – The amount of time the controller delays starting up after receiving a
start command.
R:
5 sec
0 to 30 sec
Fan Off Delay
D: – How long the supply fan runs after receiving a valid stop command.
R:
90 sec
0 to 180 sec
Minimum Cooling SAT
D: – In cooling mode, the cooling outputs are controlled so that the
supply air temperature does not drop below this value.
R:
50°F
45 to 75°F
Maximum Heating SAT
D: – In heating mode, the heating outputs are controlled so the
supply air temperature does not rise above this value.
R:
120°F
85 to 150°F
Vent Dmpr Pos / DCV Min Pos
D: – The minimum outdoor air damper position maintained
during occupied periods.
R:
50% Open
0 to 100% Open
DCV Max Vent Damper Pos
D: – The maximum outdoor air damper position allowed while
DCV is active.
R:
50% Open
10 to 60% Open
Supply Fan Service Alarm Timer
D: – A Supply Fan Runtime alarm is generated when the
supply fan run hours exceed this value. Set to 0 to disable.
R:
600 hr
0 to 9999 hr
Compressor 1 Service Alarm Timer
D: – A Compressor 1 Runtime alarm is generated when
the compressor 1 run hours exceed this value. Set to 0 to disable.
R:
0 hr
0 to 9999 hr
Compressor 2 Service Alarm Timer
D: – A Compressor 2 Runtime alarm is generated when
the compressor 2 run hours exceed this value. Set to 0 to disable.
R:
0 hr
0 to 9999 hr
Filter Service Alarm Timer
– The amount of time the fan will run before generating a
Filter Alarm
D:
. Set to 0 to disable the alarm and reset accumulated fan hours.
R:
600 hr
0 to 9999 hr
Pushbutton Override
D: – Enables or disables the use of a pushbutton override from a local
space temperature sensor.
R:
Enable
Disable/Enable
Cooling Lockout Temp
D: – The outdoor air temperature at which cooling is inhibited.
R:
45°F
0 to 80°F
Economizer High OAT Lockout
D: – The outdoor air temperature at which economizer
cooling is inhibited.
R:
75°F
55 to 80°F