Appendix A - Troubleshooting
Symptoms:
N
o
discharge
from
separator
draiN
trap
d
ryer
iNlet
air
temperature
too
high
r
efrigeraNt
compressor
stopped
Possible Causes:
f
ailure
of
draiN
trap
a
ftercooler
malfuNctioN
l
eak
iN
refrigeraNt
system
c
ompressor
overheated
c
ompressor
burNed
out
i
Nlet
air
temperature
too
high
e
xcessive
airflow
c
oNdeNser
fouled
or
clogged
h
igh
ambieNt
temperature
i
mproper
adjustmeNt
of
e
xpaNsioN
v
alve
Remedy:
r
eplace
float
mechaNism
.
c
heck
aftercooler
discharge
temperature
aNd
reduce
to
dryer
desigN
coNditioN
(122°f
max
).
c
oNsult
local
distributor
.
t
urN
dryer
off
,
wait
30
miNutes
;
turN
dryer
oN
.
(m
otor
thermostat
self
-
startiNg
.)
c
oNsult
local
distributor
.
r
educe
aftercooler
discharge
temperature
to
desigN
coNditioNs
.
c
heck
airflow
&
system
capacity
.
r
educe
airflow
or
resize
aNd
replace
system
.
c
leaN
coNdeNser
.
v
eNtilate
area
.
c
oNsult
f
actory
.
Problem: Water Downstream of Dryer
Quincy Compressor-QHPR Series Dryers
