INFICON Vortex AC Refrigerant Recovery Machine 230V User Manual

Page 13

Vortex AC Operating Manual

Compressor starts but
cuts out within a few
minutes — pressure
indication on HP gauge
is high

1. V2 is in Purge
position and HP switch
activates
2. V3 not open and HP
switch activates
3. Recovery tank valve
not open
4. Blocked discharge
hose
5. Air in system/tank

1. Rotate V2 to Recovery

2. Rotate V3 to open
position
3. Open tank valve

4. Check & clear
blockage
5. Bleed air from
system/tank

Compressor stops
intermittently

1. Vapor pressure of
refrigerant in tank is
close to HP trip point
2. Thermal overload
switch in compressor is
activating

1. Reduce tank
temperature

2. Reduce amount of
liquid being pumped and
let machine cool down
before proceeding

Unit overheats

Excessive head
pressure due to:
1. High ambient
temperature
2. Restricted discharge
hose
3. Air in recovery tank

1. Reduce tank
temperature
2. Check & clear
restriction
3. Bleed air from tank

Recovery process too
slow

1. Head pressure too
high

2. System refrigerant
iced up
3. Compressor seals
are worn

1. Reduce tank
temperature or change
tanks
1. Throttle gauge
manifold valves and V3
to reduce pressure
differential between LP
and HP gauges
2. Interrupt process to
allow ice to dissipate
3. Rebuild compressor
with service kit — check
with wholesaler for
assistance

PROBLEM

CAUSE

ACTION