AIRSYS UNICOOL 28V1B5 - Page 81

System Parameters and Default Values
81
Menu Screen
Option
Description
Default
Free-cooling
Humidity limit
Free cooling humidity limit
Disable
Max Humidity
Maximum humidity for free cooling
85%
Humidity Deadband
Humidity below the limit at which free cooling will
be re-enabled
5%
Enable Parti. Freecool
Enable Partial Free Cooling
Disable
Min. temp. diff. for
freecool
Damper will open if the indoor-outdoor
temperature difference is larger than this value
3.6°F
Stop diff
Damper will close if the indoor-outdoor
temperature difference is smaller than this value
3.6°F
Delay
Free cooling delay time
10s
FC Min
Minimum damper opening percentage
0.0%
Additional
function
Sea-side Mode
Enable free cooling only at high indoor
temperatures
Disable
Dust detect
Enable dust detection
Enable
Emergency ventilation
enable
Enable emergency ventilation
Enable
Setpoint
Temperature above setpoint at which emergency
ventilation will activate
14°F
Diff
Temperature below emergency ventilation
setpoint at which emergency ventilation will
deactivate
9°F
Force Comp. Stop for
FC
Force compressor to stop during free cooling
Force Stop
Table 5-14 Parameters in the Sensors Menu
Note: Parameters in gray can only be accessed by connecting a PGD to the unit or via the html interface.
Menu Screen
Option
Description
Default
Sensor Settings
Humidity Min Value
Minimum allowed humidity
value
20%
Humidity Max Value
Maximum allowed humidity
value
150%
Sensor Settings (Unit
Only)
HP min. value
Minimum allowed high pressure
sensor value
0 psi
HP max. value
Maximum allowed high
pressure sensor value
652.7 psi
LP min. value
Minimum allowed low pressure
sensor value
14.5 psi
LP max. value
Maximum allowed low pressure
sensor value
514.9 psi
Sensor Offset
Outdoor temp
Outdoor temperature sensor
offset
0°F
Room temp
Room temperature sensor
offset
0°F
Outdoor hum
Outdoor humidity sensor offset
0%
Supply temp
Supply temperature offset
0°F