TAM7-SF-2E-EN
29
EEV TEST OPTIONS
E
Elle
eccttrro
on
niicc E
Ex
xp
pa
an
ns
siio
on
n V
Va
allv
ve
e T
Te
esstt O
Op
pttiio
on
n 1
1
Access the Unit Test option through Display Assembly
under the Control Menu.
E
Elle
eccttrro
on
niicc E
Ex
xp
pa
an
ns
siio
on
n V
Va
allv
ve
e T
Te
esstt O
Op
pttiio
on
n 2
2
N
No
otte
e:: C
Cllo
osse
e V
Va
allv
ve
e a
an
nd
d O
Op
pe
en
n V
Va
allv
ve
e T
Te
essttss a
arre
e a
ac
cttiiv
ve
e
iin
n a
an
ny
y m
mo
od
de
e o
off o
op
pe
erra
attiio
on
n
Test Pins: OPEN, CLOSE, TEST (See J4 on EVC Board)
C
Cllo
os
se
e V
Va
allv
ve
e T
Te
esstt--
Touch CLOSE pin to TEST pin.
EEV drives closed (5 seconds max) and stays closed for
1.5 minutes (90 seconds).
1) Status LED will be flashing.
2) Gauges should indicate suction pressure dropping.
• Valve is working.
• LPCO may trip.
N
No
otte
e:: : The Close Valve Test will exit after 1.5 minutes
(90 seconds) and will not reinitiate (requires a
break and make to initialize). To clear faults
stored in memory, apply a jumper between Close
and Test pins for 10 seconds.
O
Op
pe
en
n V
Va
allv
ve
e T
Te
esstt--
Touch OPEN pin to TEST pin.
EEV drives open (5 sec max) and stays open for 30
seconds.
1.
1) Status LED will be flashing.
2. Temperature probe should indicate superheat
falling.
•
Valve is working.
N
No
otte
e:: : If jumper is left on pins, the OPEN VALVE TEST
will be cleared after 30 seconds and will not
reinitiate (requires a break and make to
reinitialize).
E
Ex
xiitt T
Te
es
stt M
Mo
od
de
e--
The Open Valve Test or Closed Valve
Test can be cancelled by momentarily jumping to the
opposite mode Test pin. The system will return to
normal super heat control.
