CS200
Control Systems
16
All alarms include the following:
• The flashing status wheel flashes to signal an error condition
• An audible tone sounds
• The error detected is displayed and scrolled on the screen
• The remote alarm relay changes state to provide a dry contact output signal
Lid Switch
The Lid Switch (Figure 4.0 and 4.1) is attached to the hinge and determines whether or not the lid is open on
the freezer. This also allows the control to determine whether to activate the Auto Defog, Quick Chill or Lid
Alarm features.
Alarm
Problem Detected
Lid Open Too Long Alarm
The lid has been opened for a period which is longer than the designated alarm
setting.
Valve Stuck Open Alarm
The solenoid valve is stuck open.
Unauthorized Access Warning
The lid has been opened and an incorrect identification has been entered.
LN
2
Usage Warning
The consumption of LN
2
has increased and should be checked.
Low Battery Voltage
The voltage on the battery is low.
Audible Alarm Retrigger
The audible alarm is retriggered if error conditions still exist when the retrigger timer
expires. The retrigger time can be adjusted by the user.
Remote Alarm Relay
The control provides a relay to provide an external signal that an alarm condition
has occurred. The remote alarm timer can be set through the menu system. This
setting determines the amount of time an error must be active before the relay is
triggered.
Operating in Battery Mode Alarm
Warning
The power from the power supply has been disrupted and the control system is oper-
ating on battery power.
Lid Switch
Figure 3.1 K Series Lid Switch
Figure 3.0 LABS Lid Switch
Operation
Содержание CS200
Страница 2: ......
