Taylor-Wharton CS Series - Manual (Page 15)

13
CS SERIES
Table 2.0 Alarm Conditions
ALARM PROBLEM DETECTED
Operating in Battery Mode
Alarm Warning The power from the power supply has been disrupted and
the control system is operating on battery power.
Low Battery Voltage The voltage on the battery is low.
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 valve is stuck open.
Unauthorized Access
Warning The lid has been opened and an incorrect or no
identification has been entered.
Temp Alarm Delay This is the amount of time after a warm temperature is
detected before the control goes into alarm.
Audible Alarm Retrigger The audible alarm is retriggered if the error condition that
caused it is not corrected. 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 user can set the
remote alarm timer that determines the amount of time an
error must be active before the relay is triggered.
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 LABS Lid Switch (Figure 4.0) 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.
Lid Switch
Figure 4.0 LABS Lid Switch
Solenoid Valve
These units are designed to work with 12 VDC solenoid valve (see Figure 17.0 LABS
Plumbing Assembly on page 37).
Thermocouples
Type T thermocouples monitor the temperature in the freezer. The user may choose
to use NONE, 1 or 2 thermocouples with this control at any time. (The unit comes
complete with one Thermocouple)