Carrier SUPRA 850Mt - Refrigeration and Electrical System Data

2
-
1
2
6
2
-
-
6
1
1
X
X
-
-
2
0
(
0
3
/
0
4
)
c.
High Pres
sure Cutout S
witch (HP
1)
Cu
tou
t
at:
32
.7
¦
0.7 bars (469
¦
10 psig)
Cu
t-
in
at
:
24
.6
¦
0.7 bars (350
¦
10 psig)
d.
High Press
ure Cutout Swit
ch (HP2)
Cu
tou
t
at:
27
.5
¦
0.7 bars (393
¦
10 psig)
Cu
t-
in
at
:
23
¦
0.7 bars (330
¦
10 psig)
e.
Refr
igerant
charge
Refer to Table 2-1.
f.
Com
pre
sso
r
Pr
ess
ure
Re
gula
ting
V
alv
e
(CP
R)
in
heat mode
CPR Setting
MODEL
b
a
r
s
p
s
i
g
SUPRA 750Mt
_
 1
.
7
2
4
,
5
¦
1
SUPRA 850Mt
_
1
.
8
2
6
¦
1
SUPRA 950Mt
_
 1
.
9
2
7
,
5
¦
1
g.
Thermos
tatic Expans
ion Valve superhea
t
Setting at ---20
_
C (0
_
F) box temperature:
M
O
D
E
L
S
E
T
T
I
N
G
All
Units
8
to
10
_
F (4 to 6
_
C)
h. Com
pre
ssor
Dis
cha
rge
T
emp
era
tur
e
Sen
sor
(CDT)
Unit shuts down at :
154
_
C (310
_
F) for 3 minutes or 177
_
C (350
_
F)
i.
Bypas
s pre
ssure
switch
(if us
ed)
Open
s at :
1.4 b
ar (2
0 ps
ig)
Clo
ses
at:
1.9
bar
(20
psi
g)
2.5
ELE
CTR
ICA
L
DA
T
A
a.
Evapor
ator Fa
n Motors
Die
sel
high
spee
d
Die
sel
low
spee
d
V
o
l
t
a
g
e
2
3
0
V
2
3
0
V
F
r
e
q
u
e
n
c
y
6
0
H
Z
5
0
H
Z
S
p
e
e
d
2
7
3
8
r
p
m
2
5
4
1
r
p
m
P
o
w
e
r
2
7
2
W
1
9
5
W
C
u
r
r
e
n
t
1
.
1
9
A
0
.
8
6
A
No maintenanc
e:
Lubric
ated for
life.
b.
Genera
tor (Single phase alter
nator)
Power
SUPRA
750Mt
_
/850Mt
_
:
1.
5
kW
SUPRA 950Mt
_
:
2
k
W
V
o
l
t
s
2
4
0
v
a
c
S
p
e
e
d
3
0
0
0
/
3
6
0
0
r
p
m
Cos
ϕ
1
GENERATOR RESISTANCE VALUES (see section 2.10)
Units
Voltage
and
frequency
Stator
Auxili
ary
coil
Stud 5 & 2
Stator
Main coil
Stud 6 & 1
Stud 3 & 4
Rotor
Auxili
ary
coil
Rotor
Main coil
Capacitors
450V
Diodes
( Qty:2 )
Supra 750Mt
_
/850Mt
_
 110/220V
-- 50/60Hz
 12.2
Ω
1.7
Ω
1.1
Ω
5.6
Ω
12
µ
F
6A
Supra 950Mt
_
1
10/
20V
-- 50/60Hz
 6.15
Ω
 0.87
Ω
 1.42
Ω
 6.97
Ω
16
µ
F
 1000V