Display
Description
Defines the inactive period of the evaporator fan while the compressor is
switched off.
Considerations Fan cycle is the fan cycle on (FCO) time + the fan cycle off (FC F) time.
Range 1 to 30 minutes
Global default
0 minutes
20 minutes - SZ firmware
9.27 Display stability (d2)
The table below details the display stability (d2) parameter.
Display
Description
Defines the rate of change of the displayed temperature.
Limiting the rate of change provides a dampening effect so as not to concern
users should the air temperature rise quickly due to a door opening.
Increasing the value for the display stability (d2 ) slows the rate of change of the
displayed temperature.
Considerations Use the global default value for normal operation.
Range 1 to 254
Global default 2
9.28 Buzzer enable (b0)
The table below detail the buzzer enable (b0) parameter.
Display
Description
Enables or disables a warning buzzer for alarm conditions.
Door open alarms always sound the warning buzzer.
Considerations
Following alarm conditions trigger the buzzer:
l
Refrigeration system failure (rS F)
l
Sensor failure (PF1, PF2 , and PF3).
l Gas cooler high temperature alarm
l CO2 lock out alarm
l Ht alarms
l CO2 alarms - for ems CO2 firmware only
Door alarms sound the buzzer as standard.
Range 00 (disabled) or 01 (enabled)
Global default 01 (enabled)
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27 February 2014
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