Carrier SUPRA 950Mt - Page 31

2-19
FN4: Standard Units Select
The
sta
nd
ard
un
it
se
le
ct
wil
l
co
ntr
ol
ho
w
al
l
pa
ram
ete
rs
ar
e
di
sp
la
ye
d.
Th
e
tw
o
ch
oi
ce
s
ar
e
DE
GR
EE
S
F
an
d
DE-
GRE
ES
C. This
pa
ram
ete
r
al
so
wil
l
con
tro
l
un
its tha
t
da
ta
is
di
sp
la
yed
in
ps
ig
or
ba
rs (i.e
, Deg
ree
s F or Degr
ee
s
C).
The code display is FN4. The selections are “F” or “C.”
FN5: Maximum Off-Time
The description for the maximum off time is TEMP
ST
RT
OR
TIM
E
ST
RT
.
Th
e
co
de
di
sp
la
y
is
FN
6
an
d
th
e
sel
ecti
ons
are
“ON”
or
“OFF
.”
“ON”
corr
esp
ond
s
to
TIME STRT. With the unit in time start, the control will
force the engine to restart 30 minutes after shutoff.
FN6: MOP
Bypas
s valve
The descri
ption for Bypass va
lve setup
is MOP
.
The
code display is FN6. Once Bypass valve is de-ener-
gized, it will be held off for a minimum of 2 minutes.
Table 2-6 Bypass valve setup (Bars)
FN
6
s
e
t
t
i
ng
E
ne
r
gi
z
e
d
(Open)
De-energized
(Close)
S
T
D
1
.
1
7
1
.
7
3
M
O
P
-
-
1
,
0
4
1
.
8
6
M
O
P
+
1
.
3
1
2
FN7: Auto/Manual Start Operation
The
sel
ecti
on
for
star
ting the
uni
t
are displ
aye
d
AUTO
OP
(code
FN7
ON)
for
auto
start
opera
tion
or
MAN OP (code FN7 OFF) for manual start operation.
To start the unit in manual start mode, the START/
STOP
CONTI
NUOU
S
sel
ecti
on mus
t
be in
“con
tinu
ous
run” mode.
FN8: Out-of-Range tolerance
The out-of-range temperature tolerance selection is
displ
ayed with the descriptio
n T
RANGE or
code
FN1
1.
The selection are A, B and C.
A
=
2
_
C (3.6
_
F), B = 3
_
C (5.4
_
F) and C = 4
_
C
(7.2
_
F).
When the
out-of-ran
ge temperature is
config
ured
ON,
the
con
trol
ler
ind
ica
tes
out-
of-ra
nge
whe
n
the
tem
-
perature has been within the tolerance band at least
once, and then goes outside the tolerance band for 45
minutes. Also the unit will shut down.
When the
out-of-ran
ge temperature is
config
ured
OFF
,
the
con
trol
ler
ind
ica
tes
out-
of-ra
nge
whe
n
the
tem
pe
ra
tur
e
ha
s
be
en
wi
thi
n
the
tol
era
nc
e
ba
nd
at
le
as
t
once, and then goes outside the tolerance band for 15
minutes. Also the unit will continue to operate.
For set points at or below --12.2
_
C (+10
_
F)
frozen
range
the unit is only considered out-of-range for tem-
perature
s
above set
point.
Code / English Messages
The
des
crip
tion
mes
sag
es
of
the
fun
ctio
nal
par
ame
-
ters, unit status and alarms can be displa
yed in
Englis
h
or
Co
de
s
thr
ou
gh
thi
s
fun
cti
on
se
le
cti
on
.
The
two
choices are displayed as, ENGLISH or CODES. With
this parameter set to CODES, all display descriptions
are set to their code display. This parameter will not
change due to this selection. Refer to each section for
the alternate display description.
Manual Glow
Overr
ide
Th
e
au
to
sta
rt
gl
ow
tim
e
ca
n
be
ma
nu
al
ly
ov
er
rid
de
n
thro
ugh this
fun
ctio
n.
The
mes
sag
e
is
dis
pla
yed as
NO
RM
GL
OW
or
AD
D
GL
OW
.
If
th
e
AD
D
GL
OW
se
le
c-
tion is entered, the control will add 30 seconds of glow
to the glow times listed in section 2.8.11. This feature
mus
t
be
sel
ecte
d
befo
re
the
3
star
t
atte
mpts
hav
e
bee
n
com
ple
ted.
At
hig
her
amb
ien
ts,
this
ove
rrid
e
wil
l
onl
y
af-
fec
t
theseco
nd
or
thi
rd
sta
rt
att
em
pt.
The
ad
d
gl
ow
tim
e
is deselected when the engine starts or fails to start.
Thi
s
pa
ram
ete
r
wi
ll
no
t
ch
an
ge
du
e
to
the
Co
de
vs
Eng
-
lish selection.
Alarm Reset
Alarms can
be reset throu
gh this
function
. The
mes-
sages are displayed as ALARM RST or ALARM CLR.
If
th
e
AL
AR
M
RS
T
is
di
sp
la
ye
d
th
enthe
re
is
at
le
as
t
on
e
alarm present. Pressing the
enter key
will clear all the
alarms present. If the ALARM CLR is displayed then
the
re
are
no
al
ar
ms
pre
se
nt.
Se
e
se
cti
on
2.8
.8.
Th
is
pa
-
rame
ter
wil
l
not
cha
nge
due
to
the
cod
e
/ En
gli
sh
sel
ec-
tion.
2
.
8
.
7
U
ni
t
D
a
t
a
The
uni
t data
key
ca
n
be
use
d
to d
isp
lay
the
uni
t
op-
erating data values. The data values are displayed for
5
se
co
nd
s
an
d
the
n
thedisp
la
y
wi
ll
re
ve
rt
ba
ck
to
th
e
de
-
fault display if no further action is taken. The following
se
cti
on
s
de
scr
ib
e
thelist
of
da
ta
wh
ic
h
ca
n
be
di
sp
la
ye
d
via the keypad. The description of the data is displayed
on
th
e
le
ft
si
dewit
h
th
e
ac
tu
aldat
a
onthe
ri
gh
t
si
de
.
Th
e
un
it
da
ta
li
st
ca
n
be
sc
ro
ll
ed
thr
ou
gh
by
pre
ssi
ng
the
unit
data key
. With each successive key push
, the list
is ad-
va
nc
ed
on
e.
If
the
un
it
da
ta,
up
or
dow
n
arro
w
key
is
hel
d
for one second, the list will change at a rate of
one item
every 0.5
secon
ds. This
list will
circul
ar, meaning once
the end of the list is reached the list will go to the first
entry. Each time the
uni
t data
key
o
r
th
e
up/dow
n
arro
w
key
is pressed, the display time will be reset to 5 se-
conds. If the
enter key
is pressed, the display time will
be
se
t
to
30seco
nd
s.
Thepos
iti
on
in
theunit
da
ta
li
st
wi
ll
remain at the last selected value except if power is re-
moved. If the display were to time out and revert to the