Vanair ADHD Powertech - Operation and Start-Up; Understanding Controls and Indicators

OPERATION Section 4 - Pg 01
SECTION 4:
OPERATION
4.1 General
While Vanair
®
has built into this compressor a comprehensive array of controls and
indicators to assure you that it is operating properly, you will want to recognize and
interpret the readings which will call for service or indicate the beginning of a
malfunction. Before starting your Vanair compressor, read this section thoroughly and
familiarize yourself with the controls and indicators - their purpose, location and use.
4.2 Purpose of Controls
CONTROL OR INDICATOR
PURPOSE
AIR PRESSURE GAUGE
Continually monitors the pressure inside the
receiver tank at various load and unload
conditions.
HOUR METER
Indicates the cumulated hours of operation.
Useful for planning and logging service
schedules.
COMPRESSOR DISCHARGE
TEMPERATURE GAUGE
Monitors the temperature of the air/fluid
mixture leaving the compressor unit. The
normal reading should be approximate 180° to
210°F.
FLUID LEVEL SIGHT GLASS
Monitors the fluid level in the sump. Proper
level is always visible in the sight glass.
Check the level when the compressor is shut
down.
COMPRESSOR DISCHARGE
TEMPERATURE SWITCH
Opens the electrical circuit to shut down the
compressor when the discharge temperature
reaches 240°F.
INLET VALVE
Regulates the amount of air allowed to enter
the air end. This regulation is determined by
the amount of air being used at the service line.