Introduction; Keypad; Status Displays - Sullair LS-100L Operator's Manual

6.1 INTRODUCTION

Refer to Figure 6-1
compressor with Supervisor II. The Supervisor II
has a two line display to show temperature, pres-
sure and status. It has a keypad for operating the
compressor, programming the control points and
selecting displays. There is a graphic illustration
with lamps that light to show the item being dis-
played. The lamps flash if that component is in an
alarm condition.

6.2 KEYPAD

The keypad is used to control the machine as well
as display status and change setpoints. Refer to fig-
ure 6-1 for following key descriptions.
• Stop - Used to put the machine into manual
stop. It is also used to clear alarm condi-
tions.
• Continuous - Starts machine if no alarm
conditions are present. Also used to clear
alarm conditions while machine is running.
• Auto - Starts machine and selects auto
mode if no alarm conditions are present.
Also used to clear alarm conditions while
machine is running.
• Display - Used to display pressures, tem-
peratures and other status information (See
section on STATUS DISPLAYS).
• Logo - Used for various functions described
in later sections.
• Program - Used to enter the parameter
change mode where control parameters
may be displayed and changed (See PARA-
METER SETUP).
for information regarding your
• Up arrow - Used in status displays to
change displays and in parameter setup
mode to increment a value.
• Down arrow, lamp test - Used in status dis-
plays to change displays and in parameter
setup mode to increment a value. When in
the default display the key will light all the
lamps for three seconds.

6.3 STATUS DISPLAYS

By default the line pressure (P2) and discharge
temperature (T1) are shown on the bottom line of
the display, and machine status on the top line.
The following are the various machine status mes-
sages that indicate the state of the compressor with
LCD graphics listed below:
• STOP - Compressor is off.
• STANDBY - Compressor is off but armed to
start. This state may be entered because of
a power up, or the unload timer had expired
and stopped the machine. NOTE : The
machine may start at any time.
• STARTING - Machine is trying to start.
• OFF LOAD - Machine is running and off
loaded.
• ON LOAD - Machine is running and loaded.
• FULL LD - Machine is running and fully
loaded. This state is only displayed if the
machine has a full load valve and under
sequence control.
• RMT STOP - Compressor is off but armed
to start. The machine will start when the
remote start contact is closed. NOTE: the
machine may start at any time.
• SEQ STOP - Compressor is off but armed
to start. The machine will start when the
sequencing conditions meet the criteria to
start. NOTE: the machine may start at any
time.
This default display appears as follows:
Section 6
SUPERVISOR II
31