Table of Contents
Advertisement
2.7 AIR INLET SYSTEM, FUNCTIONAL DESCRIP-
TION
Refer to Figure 2-5. The Compressor Inlet System
consists of a dry-type air filter, a vacuum switch,
and an air inlet valve.
At 20" water column the inlet vacuum switch will
allow the Supervisor II to indicate that "AIR FILTER
MAINT RQD" is required.
The poppet-type air inlet valve directly controls the
amount of air intake to the compressor in response
to the operation of the controls (see Section 2.6,
Control System, Functional Description).
2.8 SUPERVISOR II PANEL BASIC INTRODUCTION
Refer to Figure 2-6. The Supervisor II has a two line
display to show temperature, pressure and status. It
has a keypad for operating the compressor, pro-
gramming the control points and selecting displays.
There is a graphic illustration with lamps that light to
show the item being displayed. The lamps flash if
that component is in an alarm condition.
2.9 KEYPAD
The keypad is used to control the machine as well
as display status and change setpoints. Refer to
Figure
2-6
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).
Figure 2-5 Air Inlet System
• 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).
• 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-
Section 2
DESCRIPTION
19
Advertisement
Table of Contents
