Refrigeration Diagnosis
112
•
Suction service valve back seated
•
•
•
•
•
•
• Faulty CIS
•
•
•
•
• Faulty HGS
•
• Loose or broken electrical connections
•
•
•
•
•
Sensor out of calibration
•
•
•
•
Compound pressure gauge out of calibration
•
Leaky receiver tank outlet valve
•
•
•
•
• Leaky check valve
•
•
•
• Faulty check valve
•
Leaky receiver tank pressure solenoid (RTPS)
•
• Closed receiver tank pressure solenoid (RTPS)
•
•
•
• Leaky hot gas solenoid (HGS)
•
• Closed hot gas solenoid (HGS)
•
•
• Leaky liquid line solenoid (LLS)
•
•
•
•
•
• Closed liquid line solenoid (LLS)
• Leaky liquid return check vale (LRCV)
•
•
Leaky suction line solenoid (SLS)
•
•
• Leaky suction line check valve (SLCV)
•
•
Leaky Zone 2 or 3 hot gas solenoid (HGS2 or 3)
•
•
•
• Closed Zone 2 or 3 hot gas solenoid (HGS2 or 3)
•
• Leaky Zone 2 or 3 liquid line solenoid (LLS2 or 3)
•
•
• Closed Zone 2 or 3 liquid line solenoid (LLS2 or 3)
• Leaky Zone 2 or 3 liquid return check valve
(LRCV2 or 3)
•
•
Leaky Zone 2 or 3 suction line solenoid (SLS2 or 3)
•
•
• Leaky Zone 2 or 3 suction line check valve
(SLCV2 or 3)
•
•
•
•
Leaky purge valve (PV)
R
a
pi
d
cyc
li
ng
be
tw
een
C
ool
and
H
e
a
t
Un
it
cool
s i
n
He
at
a
nd De
fro
s
t
c
ycl
e
Un
it
heat
s
i
n
Re
fr
ige
rat
ion cyc
le
H
igh
he
ad
pre
s
s
u
re
Low
he
ad
pre
s
s
u
re
No
h
ead
pr
ess
ure
Hi
gh
s
u
ct
io
n p
res
sure
Low
s
u
ct
io
n p
res
sure
No
s
u
ct
io
n
pres
sure
U
n
it
opera
ti
ng i
n
a va
cuum
Re
ce
iv
er si
ght
gl
ass
e
m
pty
Suct
io
n
li
n
e f
rost
ing bac
k
Un
abl
e
to
p
u
mp d
o
wn
sy
st
em
U
n
a
b
le
t
o
pu
ll
v
a
c
u
u
m
in
l
o
w
sid
e
U
n
a
b
le
t
o
ho
ld
va
c
u
u
m
in
lo
w
s
id
e
No
is
y compr
ess
or
U
n
it
n
o
t r
e
fr
ig
er
a
ti
n
g
U
n
it
not he
at
ing
or
d
e
fr
ost
in
g
Sy
m
p
tom
Possible Causes
Содержание Spectrum DE 30-2
Страница 4: ...4...
Страница 12: ...Safety Precautions 12...
Страница 16: ...Specifications 16...
Страница 31: ...Unit Description 31 1 Access Panels 2 Defrost Dampers Figure 12 Back View of Unit 1 2 AGA215...
Страница 42: ...Operating Instructions 42...
Страница 48: ...Electrical Maintenance 48...
Страница 106: ...Structural Maintenance 106...
Страница 110: ...Mechanical Diagnosis 110...
Страница 114: ...Remote Evaporator Specifications 114...
Страница 116: ...Remote Evaporator Maintenance Inspection Schedule 116...
Страница 122: ...Remote Evaporator Electrical Maintenance 122...
Страница 126: ...Remote Evaporator Refrigeration Service Operations 126...
Страница 128: ...Remote Evaporator Structural Maintenance 128...
Страница 130: ...Remote Evaporator System Diagnosis 130...
Страница 134: ...Wiring and Schematic Diagrams Index 134...
Страница 135: ...135 Schematic Diagram Page 1 of 2...
Страница 136: ...136 Schematic Diagram Page 2 of 2...
Страница 137: ...137 Wiring Diagram Page 1 of 4...
Страница 138: ...138 Wiring Diagram Page 2 of 4...
Страница 139: ...139 Wiring Diagram Page 3 of 4...
Страница 140: ...140 Wiring Diagram Page 4 of 4...