- 5 -
Circuit Breaker(s).
Reservoir. See page 16.
Controller. See page 17.
Condenser Access Panel.
See page 33.
Section II General Information
Indicates
refrigeration
system status
. See
page 17.
Indicates the controller is
displaying the
setpoint
. Press
the arrow buttons to change the
value. See page 18.
Indicates the controller is
displaying the unit's
low
temperature alarm setpoint
.
Press the arrow buttons to
change the value. See page 18.
Indicates the controller is displaying
the
high temperature alarm
setpoint
. Press the arrow buttons
to change the value. See page 18.
Press to select the
serial
communication
mode.
See page 22. Digital Plus
controller only.
Press to
change
th e
displayed value. See
page 17.
Press to
start/stop
th e
unit. See page 17.
Press to
mute
the alarm. See page
22. Digital Plus controller only.
Press to
sequence
through the three indicators
and accept the displayed
value. See page 17.
NOTE:
None of the three
setpoint indicators are
visible unless this key is
pressed.
Indicates
heater status
.
See page 17.
Press to select
external
sensor
. See page 22. Digital
Plus controller only.
Press to select the
timer
function. See page 23
Digital Plus controller
only.
Press to select the
temperature offset
mode
. See page 23.
Digital Plus controller only.
1/8"OD Autorefill fluid
connection. See page 29.
1/4" MPT Pumping
Return Connection. See
page 14.
Optional External Sensor
Connector. Digital Plus
controller only.
1/*4" MPT Pumping
Supply Connection. See
page 14.
RS-232/RS-485
connections. See
Appendix B. Digital
Plus controller only.
Power connection.
See page 12.
Drain. See page 14.
High Temperature Cutout.
See page 28.
1/8"OD
N2
Nitrogen
Purge. See page 29.
General
Information
Autorefill connection.
See page 29.
Analog Output
Connector. Digital
Plus controller only.
See page 27.