AIRSYS UNICOOL 28V1B5 - Page 80

System Parameters and Default Values
80
Menu Screen
Option
Description
Default
Zone
Configuration
Backup Number
Number of Backup Units in Zone
0
Setpoint
Zone Setpoint
79°F
Dead Zone
Zone Deadband
1.8°F
Comfort Set
Zone Comfort Mode Setpoint
72°F
Dehum Number
Number of Units in Dehumidification
1
Room
Temperature
Cool Band
PID controller dead band
1.8°F
Cool Diff
Allowed temperature range for compressor
operation
6°F
Cool Dead
Temperature range around setpoint for
compressor operation
2°F
Backup Diff
Temperature differential above setpoint at
which the backup units will come on
8°F
Backup Offset
Temperature offset at which the backup units
will shut off
4°F
Room
Temperature PID
Kp
Proportional control setting
25
Ti
Integral control setting
120
Td
Derivative control setting
0
Comfort
Temperature
Setpoint
Comfort mode setpoint
72°F
Keep Time
Comfort mode duration
60 min
Heater
Heater Turn On Diff
Temperature range for heater operation
3°F
Heater Deadband
Temperature below setpoint at which heater
turns on
29°F
Dehumidification
Enable
Enable Dehumidification
Disable
Setpoint
Humidity setpoint
55%
Diff
Humidity level above setpoint at which
dehumidification starts
15%
Stop diff
Temperature below the setpoint at which the
heater will start to dehumidify
11°F
Start diff
Temperature above heater start point at which
heater will stop dehumidifying
6°F
Heater on delay
Heater start delay during dehumidification
0s
Supply
Temperature
Setpoint
Supply temperature setpoint
51.8°F
Deadband
Supply temperature PID control dead zone
1.8°F
Limi. High
Supply temperature high limit. Temperature
above setpoint at which damper is 100% open.
2.0°F
Limi. Low
Supply temperature low limit. Temperature
below setpoint at which damper is closed.
2.0°F
Supply
Temperature PID
Kp
Proportional control setting
50.0
Ti
Integral control setting
0
Td
Derivative control setting
0
Setpoint Config
Average Room Temp
Average Multiple Temperature Sensors
No
Table 5-13 Parameters in the Free Cooling Menu