Carrier 48TC*D08 - Manual (Page 74)

74
T55/56 Override Duration
This sets the occupancy override duration when the
override button is pushed on the space sensor.
Factory Default = 1 hr
Range = 0--24 hr
IAQ Low Reference @ 4mA
This is used when an IAQ sensor is installed on Input 1 or
2. This value is displayed and used when 4mA is seen at
the input.
Factory Default = 0 PPM
Range = 0--400 PPM
IAQ High Reference @ 20mA
This is used when an IAQ sensor is installed on Input 1 or
2. This value is displayed and used when 20mA is seen at
the input.
Factory Default = 2000 PPM
Range = 0--5000 PPM
NOTE: IAQ low Reference @ 4mA and IAQ High
Reference @ 20mA are used to set the linear curve of mA
vs. PPM.
OAQ Low Reference @ 4mA
This is used when an OAQ sensor is installed on Input 1
or 2. This value is displayed and used when 4mA is seen
at the input.
Factory Default = 0 PPM
Range = 0--400 PPM
OAQ High Reference @ 20mA
This is used when an OAQ sensor is installed on Input 1
or 2. This value is displayed and used when 20mA is seen
at the input.
Factory Default = 2000 PPM
Range = 0--5000 PPM
NOTE: OAQ low Reference @ 4mA and OAQ High
Reference @ 20mA are used to set the linear curve of mA
vs. PPM.
Economizer
Economizer Exists
This point tells the controller if there is an economizer
installed on the unit.
Factory Default = NO if no economizer
YES if there is an economizer installed
Economizer Minimum Position
This defines the lowest economizer position when the
indoor fan is running and the building is occupied.
Factory Default = 20%
Range = 0--100 %
Economizer High OAT Lockout
If the outdoor air temperature rises above this value,
economizer cooling will be disabled and dampers will
return and stay at minimum position.
Factory Default = 75_F
Range = 55--80_F
Power Exhaust Setpt
When the economizer damper position opens above this
point the power exhaust operation will begin. When the
damper position falls 10% below the setpoint, the power
exhaust will shutdown.
Factory Default = 50%
Range = 20--90 %
NOTE: This point is only used when Continuous Occ
Exhaust = NO
Continuous Occ Exhaust
This point tells the controller when to run the power
exhaust if equipped on the unit. If set to YES, the power
exhaust will be on all the time when in occupied mode
and will be off when in unoccupied mode. If set to NO the
power exhaust will be controlled by the Power Exhaust
Setpoint.
Factory Default = NO
IAQ
Max Differential CO
2
Setpt
If the difference between indoor an outdoor air quality
becomes greater then this value the damper position will
stay at the IAQ Greatest Min Dmpr Pos. configuration
point
Factory Default = 650 PPM
Range = 300--950 PPM
IAQ Greatest Min Dmpr Pos.
This is the greatest minimum position the economizer will
open to while trying to control the indoor air quality, CO
2
differential.
Factory Default = 50% open
Range = 10--60% open
Clockset
This submenu screen allows you to set the date and time
manually. The Daylight Savings Time (DST) can also be
changed here. The date and time is automatically set when
ever software is downloaded. The clock is a 24 hour clock
and not am/pm. The time should be verified (and maybe
changed) according to unit location and time zone.
Factory Default = Eastern Standard Time
USERPW
This submenu screen allows you to change the user
password to a four number password of choice. The User
password change screen is only accessible with the
Administrator Password (1111). The ADMIN password
will always override the user password.
48TC