Trane IntelliPak CGAF Series, Программирование, Руководство по устранению неисправностей

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58
System Testing & Troubleshooting
D
IA
G
N
O
ST
IC
D
ISPL
A
YED
R
E
A
S
O
N
F
O
R
D
IA
G
N
O
ST
IC
U
C
M
’S R
E
A
C
T
IO
N
R
ESET
R
E
Q
U
IR
ED
Liquid P
res
s
u
re
S
ens
or
F
a
il Cir
c
uit
2
(C
ir
c
u
it
#2 40-
60 T
o
n unit
s
only
)
P
roblem
: Cir
c
uit
2 S
a
tu
ra
te
d Liquid
Line P
res
s
u
re
s
e
ns
or
input
is
out
of
ra
nge.
Chec
k
: Chec
k
f
ield/
unit
wir
ing
bet
ween S
ens
or
and S
S
M
.
T
he unit
is
r
e
ading a s
ignal t
hat
is
out
of
r
a
nge f
o
r t
he Cir
c
uit
2 S
a
tu
ra
te
d
Liquid Line P
res
s
u
re
S
e
ns
or
input
on
the S
S
M
. (
P
re
s
s
u
re
<
0 P
S
IG
or
P
res
s
u
re
>
400 P
S
IG
).
T
h
e S
u
per
heat
/S
ubc
ool
c
a
lc
ulat
ion is
inv
a
lid and t
h
e
va
iues
ar
e s
e
t t
o
z
e
ro
. No ot
her
c
h
ange in unit
oper
a
ti
on oc
c
u
rs
.
Th
is
d
ia
g
n
o
s
ti
c
i
s
fo
r i
n
fo
rm
a
ti
o
n
only
.
(I
NF
O
) A
n
aut
om
at
ic
r
e
s
e
t oc
c
u
rs
af
te
r t
h
e Cir
c
uit
2 S
a
tu
ra
te
d Liquid
P
res
s
u
re
S
ens
or
input
r
e
tu
rn
s
t
o
it
s
allowable r
a
nge.
I
n
or
der
t
o
pr
ev
ent
ra
pid c
yc
ling of
t
he Diagnos
ti
c
, t
h
er
e
is
a 10 s
e
c
o
nd delay
bef
o
re
t
h
e
aut
om
at
ic
r
e
s
e
t.
Low A
m
bient
E
vapor
a
to
r S
o
lut
ion
P
u
m
p
O
ver
ri
de
P
roblem
: O
u
ts
ide A
ir
T
e
m
p
t
oo low,
re
q
u
e
s
t S
o
lu
ti
o
n
P
u
m
p
to
r
u
n
to
k
eep S
o
lut
ion m
o
vi
ng.
T
he O
u
ts
ide A
ir
(
A
m
b
ient
)
te
m
p
er
at
ur
e is
below t
h
e Low
A
m
bient
E
vap P
u
m
p
O
ver
ri
de T
e
m
p
S
e
tpoint
.
T
h
e E
vapor
at
or
S
o
lut
ion P
u
m
p
Relay
is
ener
giz
e
d while t
h
is
c
o
ndit
ion ex
is
ts
.
(P
A
R
) A
n
aut
om
at
ic
r
e
s
e
t oc
c
u
rs
a
fte
r th
e
Ou
ts
id
e
A
ir
Te
m
p
inc
reas
e
s
5 deg F
or
m
o
re
abov
e
the Low A
m
bient
E
vapor
at
or
P
u
m
p
O
ver
ri
de T
e
m
p
S
e
tpoint
.
Low S
o
lut
ion Cut
out
T
e
m
p
er
at
ur
e
(A
u
to
)
P
roblem
: T
h
e E
vapor
a
to
r Leav
ing or
En
te
ri
n
g
S
o
lut
ion T
e
m
p
er
at
ur
e is
t
o
o
low.
W
h
ile no c
o
m
p
re
s
s
o
rs
wer
e
r
unning,
the E
vapor
at
or
S
o
lut
ion
T
e
m
per
at
ur
e(
s
) went
below t
h
e Low
S
o
lu
ti
o
n
C
u
to
u
t Te
m
p
S
e
tp
o
in
t.
W
h
ile t
h
is
diagnos
tic
is
ac
ti
ve
,
Com
p
re
s
s
o
rs
ar
e pr
ev
ent
ed
fr
om
s
taging on.
T
h
e Unit
will
deener
giz
e
t
he f
o
llowing:
Com
p
re
s
s
o
r Relay
s
, LP
C
B
ypas
s
Relay
s
, Liquid Line
S
o
lenoids
, and HG
B
P
Relay
.
(P
A
R
) A
n
aut
om
at
ic
r
e
s
e
t oc
c
u
rs
af
te
r t
h
e E
vapor
at
or
S
o
lut
ion
T
e
m
per
at
ur
e(
s
) r
is
e
s
4 deg F
or
m
o
re
abov
e t
he Low S
o
lut
ion Cut
o
ut
T
e
m
per
at
ur
e S
e
tp
oint
.
Low S
o
lut
ion Cut
out
T
e
m
p
er
at
ur
e
(M
a
n
)
P
roblem
: T
h
e E
vapor
a
to
r Leav
ing or
En
te
ri
n
g
S
o
lut
ion T
e
m
p
er
at
ur
e is
t
o
o
low.
W
h
il
e
co
m
p
re
s
s
o
rs
w
e
re
ru
n
n
in
g
, th
e
E
vapor
a
to
r S
o
lut
ion T
e
m
p
er
at
ur
e(
s
)
went
below t
he Low S
o
lut
ion Cut
o
ut
T
e
m
per
at
ur
e S
e
tp
oint
.
A
"
Loc
k
o
ut
all Cir
c
uit
s
" r
eques
t is
is
s
ued t
o
t
h
e Com
p
re
s
s
or
S
taging F
unc
ti
on.
Com
p
re
s
s
or
s
ar
e pr
ev
ent
ed f
rom
s
taging on
and t
he Unit
will de-
ener
g
iz
e t
h
e
fo
llowing r
e
lay
s
: Com
p
re
s
s
o
r
Relay
s
, LP
C B
ypas
s
Relay
s
,
Liquid Line S
o
lenoids
, and
HG
B
P
Relay
.
(P
M
R
) A
m
a
nual r
e
s
e
t is
r
equir
ed
af
te
r t
h
is
diagnos
ti
c
oc
c
u
rs
. T
h
e
Diagnos
tic
c
an be r
e
s
e
t by
t
h
e unit
m
o
unt
ed Hum
a
n I
n
te
rf
ac
e M
odule
or
T
rac
er
, or
by
c
yc
ling power
t
o
t
he
CG
M
.
Low P
res
s
u
re
Cont
ro
l O
p
en -
Cir
c
uit
1
P
roblem
: T
h
e r
e
fr
iger
ant
in Cir
c
uit
1
is
c
o
ld and m
a
y c
aus
e t
he S
o
lut
ion
in t
h
e Chiller
bar
re
l t
o
bec
om
e t
o
o
c
o
ld.
A
ls
o
, t
her
e m
a
y be a s
tat
e of
c
har
ge is
s
ue wit
h
Cir
c
uit
1.
W
it
h
one or
m
o
re
c
o
m
p
re
s
s
o
rs
ru
nning,
t
h
e higher
pr
es
s
u
re
of
t
h
e
tw
o LP
C s
w
it
c
hes
on Cir
c
uit
1 has
opened 6 t
im
e
s
wit
h
t
h
e LP
C B
ypas
s
re
lay
de-
ener
g
iz
ed,
or
it
was
open at
the t
im
e
t
he LP
C B
ypas
s
Relay
de-
ener
giz
ed.
O
n
a s
tandar
d
unit
t
h
is
is
the 45 P
S
IG
LP
C s
w
it
c
h
, but
c
an be
2
0
P
S
IG o
r l
o
w
e
r o
n
u
n
its
w
ith
a
l
o
w
e
r
Leav
ing S
o
lut
ion S
e
tpoint
r
ange.
A
“
Loc
k
o
ut
Cir
c
uit
# 1”
r
eques
t is
is
s
ued t
o
t
h
e Com
p
re
s
s
or
S
taging Cont
ro
l f
u
nc
ti
on.
T
he
Com
p
re
s
s
o
r Relay
s
, LP
C
B
ypas
s
Relay
, Liquid Line
S
o
lenoid Relay
, and Hot
G
a
s
B
ypas
s
Relay
f
o
r Cir
c
uit
1 ar
e all
de-
ener
g
iz
ed.
(P
M
R
) A
m
a
nual r
e
s
e
t is
r
equir
ed
any
ti
m
e
af
te
r t
h
e Diagnos
tic
is
s
e
t.
T
h
e Diagnos
ti
c
c
a
n be r
e
s
e
t by
t
h
e
Hum
a
n I
n
te
rf
ac
e or
T
rac
er
, or
by
c
yc
ling power
t
o
t
he CG
M
.