INFICON Vortex AC Refrigerant Recovery Machine 115V - Manual (Page 15)

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Vortex AC Operating Manual
6.0 Service
6.1 General
The Vortex AC uses only UL or CSA Recognized electrical components or
components which have been specially designed for this application.
DO NOT CHANGE any of these components as the safety of the
machine could be compromised. All service work must be performed at
an INFICON approved facility in order to maintain the safety rating and
the Warranty, if applicable.
Technical assistance and service information can be obtained by calling the
factory at 800-344-3304.
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
2. 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