Carrier SUPRA 850Mt Operation And Service Manual

Carrier
Brand
Carrier
Model
SUPRA 850Mt
Type
Operation And Service Manual
Carrier TranCarrier Tran
sicold Division, Carrier Corporatiosicold Division, Carrier Corporatio
n, P.O. Box 4805, Syracuse, N.Y. 13221 n, P.O. Box 4805, Syracuse, N.Y. 13221
U. S. U. S.
A.A.
OPERATION ANDOPERATION AND
SERVICE MANUALSERVICE MANUAL
TRUCK REFRIGERATION UNITTRUCK REFRIGERATION UNIT
SUPRASUPRA
©©
Carrier Refrigeration Operation 2004Carrier Refrigeration Operation 2004
DD
Printed in FrancPrinted in Franc
e 03-04 / 62-e 03-04 / 62-
-611XX--611XX-
-20-20
Carrier Transicold EurCarrier Transicold Eur
ope -ope -
- 10, Bd de l’O- 10, Bd de l’O
ise -ise -
- 95031 Cergy - 95031 Cergy
Pontoise Cédex Pontoise Cédex
--
- FRAN- FRAN
CECE
, 850Mt, 850Mt
, 950Mt, 950Mt
ii
62-62-
-611XX--611XX-
-20 -20
(03/04)(03/04)
TABLE OF CONTENTSTABLE OF CONTENTS
PagePage
Section 1Section 1
SS
AA
FF
EE
TT
Y Y
II
NN
SS
TT
RR
UU
CC
TT
II
OO
NN
S S
11
--
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 2Section 2
DD
EE
SS
CC
RR
II
PP
TT
II
OO
N N
22
--
11
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22
..
1 1
II
nn
tt
rr
oo
dd
uu
cc
tt
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n n
22
--
11
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22
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2 2
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22
--
11
11
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22
..
22
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1 1
CC
oo
oo
ll
ii
nn
g g
cc
ii
rr
cc
uu
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t t
22
--
11
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
3 3
CC
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mm
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RR
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22
--
11
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
4 4
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22
--
11
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
5 5
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22
--
11
22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
6 6
TT
oo
rr
qq
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22
--
11
33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
7 7
SS
aa
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22
--
11
44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
8 8
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22
--
11
55
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
88
..
1 1
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22
--
11
55
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
88
..
2 2
KK
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aa
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22
--
11
66
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
88
..
3 3
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11
77
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
88
..
4 4
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22
--
11
77
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
88
..
5 5
DD
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11
88
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
88
..
6 6
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22
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11
88
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
..
88
..
7 7
UU
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22
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11
99
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
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88
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22
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9 9
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33
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......................................................................
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............................................................
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66
..................................................................................
2.9.2.9.
1 1
ComCom
prepre
ssosso
r r
prepre
ssussu
re re
regreg
ulaula
ting ting
valval
ve ve
(CPR(CPR
) )
( (
see see
FigFig
ure ure
2-1 2-1
& &
FigFig
ure ure
2-2 2-2
) )
2-22-2
66
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..
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((
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) )
/ /
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) )
22
--
22
66
........................................................
2.92.9
.3 .3
HoHo
t Gat Ga
s Vs V
alal
veve
s Hs H
GV 1GV 1
, 2 , 2
& 3 & 3
(NC(NC
), L), L
iqiq
uiui
d Sd S
ucuc
tiotio
n Vn V
alal
veve
s Ls L
SV 1SV 1
, 2 , 2
& 3 & 3
(NC(NC
) )
2-2-
2727
22
..
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2.9.2.9.
5 5
By-By-
-pass -pass
valval
ve ve
(NC) (NC)
(Sup(Sup
ra ra
850850
MtMt
__
oo
nn
ll
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) )
22
--
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77
............................................................
22
..
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& &
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2 2
) )
22
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88
..........................................................
22
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22
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..
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..................................................................................
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
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1
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
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2
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3
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 3
O
P
E
R
A
T
I
O
N
3
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
.
1
P
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1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
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1
............................
3
.
2
.
1
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3
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
.
3
S
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3
-
2
.....................
3
.
4
C
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3
-
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
.
4
.
1
O
p
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b
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d
3
-
2
........................................
3
.
4
.
2
O
p
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a
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i
o
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w
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a
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y
c
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p
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l
3
-
3
.................................
3
.
5
C
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l
C
i
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c
u
i
t
o
p
e
r
a
t
i
o
n
3
-
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
.
5
.
1
I
n
t
r
o
d
u
c
t
i
o
n
3
-
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
.
5
.
2
T
e
m
p
e
r
a
t
u
r
e
C
o
n
t
r
o
l
L
o
g
i
c
3
-
5
..........................................
3.
5.
3
Su
p
ra
95
0
Mt
_
s
p
e
c
i
f
i
c
l
o
g
i
c
3
-
7
.........................................
3.
5.
4
Su
p
ra
85
0
Mt
_
s
p
e
c
i
f
i
c
l
o
g
i
c
3
-
7
.........................................
3
.
5
.
5
R
e
l
a
y
o
p
e
r
a
t
i
o
n
3
-
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 4
S
E
R
V
I
C
E
4
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
M
a
i
n
t
e
n
a
n
c
e
s
c
h
e
d
u
l
e
4
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
2
D
e
s
c
r
i
p
t
i
o
n
o
f
S
e
r
v
i
c
e
R
e
q
u
i
r
e
m
e
n
t
s
4
-
2
.......................................
4
.
3
S
e
r
v
i
c
i
n
g
e
n
g
i
n
e
r
e
l
a
t
e
d
c
o
m
p
o
n
e
n
t
s
4
-
3
.......................................
4
.
3
.
1
C
o
o
l
i
n
g
s
y
s
t
e
m
4
-
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
3
.
2
C
h
a
n
g
i
n
g
L
u
b
e
O
i
l
a
n
d
L
u
b
e
O
i
l
f
i
l
t
e
r
s
4
-
4
................................
4
.
3
.
3
F
u
e
l
f
i
l
t
e
r
a
n
d
f
u
e
l
c
i
r
c
u
i
t
4
-
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
3
.
4
R
e
p
l
a
c
i
n
g
s
o
l
e
n
o
i
d
s
(
F
i
g
u
r
e
4
-
3
)
4
-
5
.....................................
4
.
3
.
5
E
n
g
i
n
e
a
i
r
c
l
e
a
n
e
r
4
-
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
3
.
6
S
e
r
v
i
c
i
n
g
f
u
e
l
p
u
m
p
4
-
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
3
.
7
S
e
r
v
i
c
i
n
g
G
l
o
w
p
l
u
g
s
4
-
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
3
.
8
C
l
u
t
c
h
c
o
n
t
r
o
l
4
-
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
3
.
9
S
e
r
v
i
c
i
n
g
a
l
t
e
r
n
a
t
o
r
4
-
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
4
S
e
r
v
i
c
i
n
g
a
n
d
a
d
j
u
s
t
i
n
g
v
-
b
e
l
t
s
4
-
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
4
.
1
B
e
l
t
t
e
n
s
i
o
n
g
a
u
g
e
4
-
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
4
.
2
T
r
a
p
e
z
o
i
d
a
l
V
-
b
e
l
t
4
-
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
4
.
3
A
l
t
e
r
n
a
t
o
r
V
-
b
e
l
t
4
-
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
4
.
4
W
a
t
e
r
p
u
m
p
b
e
l
t
t
e
n
s
i
o
n
e
r
4
-
9
...........................................
4.
4.
5
St
an
db
y
mo
to
r
-
Co
mp
re
ss
or
V
-b
el
t,
Di
es
el
en
gi
ne
-
Co
mp
re
ss
or
V
-b
el
t
4-
9
.
.
.
4
.
5
P
u
m
p
i
n
g
t
h
e
u
n
i
t
d
o
w
n
o
r
r
e
m
o
v
i
n
g
t
h
e
r
e
f
r
i
g
e
r
a
n
t
c
h
a
r
g
e
4
-
9
.....................
4
.
6
R
e
f
r
i
g
e
r
a
n
t
l
e
a
k
c
h
e
c
k
i
n
g
4
-
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii
62-
-611XX-
-20
(03/04)
4
.
7
E
v
a
c
u
a
t
i
o
n
a
n
d
d
e
h
y
d
r
a
t
i
o
n
4
-
1
0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
7
.
1
G
e
n
e
r
a
l
4
-
1
0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
7
.
2
P
r
e
p
a
r
a
t
i
o
n
4
-
1
0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
7
.
3
P
r
o
c
e
d
u
r
e
f
o
r
E
v
a
c
u
a
t
i
o
n
a
n
d
D
e
h
y
d
r
a
t
i
n
g
s
y
s
t
e
m
4
-
1
0
.....................
4
.
8
C
h
a
r
g
i
n
g
t
h
e
r
e
f
r
i
g
e
r
a
n
t
s
y
s
t
e
m
4
-
1
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
8
.
1
I
n
s
t
a
l
l
i
n
g
a
c
o
m
p
l
e
t
e
c
h
a
r
g
e
4
-
1
1
.........................................
4
.
8
.
2
C
h
e
c
k
i
n
g
t
h
e
r
e
f
r
i
g
e
r
a
n
t
c
h
a
r
g
e
4
-
1
1
......................................
4
.
9
R
e
p
l
a
c
i
n
g
t
h
e
c
o
m
p
r
e
s
s
o
r
4
-
1
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
0
C
h
e
c
k
i
n
g
0
5
K
/
0
5
G
c
o
m
p
r
e
s
s
o
r
o
i
l
l
e
v
e
l
4
-
1
2
...................................
4.1
1
Compre
ssor unlo
ader val
ve -
- For Supra 850Mt
_
& 950Mt
_
o
n
l
y
4
-
1
3
................
4
.
1
2
C
h
e
c
k
i
n
g
a
n
d
r
e
p
l
a
c
i
n
g
f
i
l
t
e
r
-
d
r
i
e
r
4
-
1
4
..........................................
4
.
1
3
C
h
e
c
k
i
n
g
a
n
d
r
e
p
l
a
c
i
n
g
h
i
g
h
p
r
e
s
s
u
r
e
c
u
t
o
u
t
s
w
i
t
c
h
4
-
1
4
..........................
4
.
1
3
.
1
R
e
p
l
a
c
i
n
g
h
i
g
h
p
r
e
s
s
u
r
e
s
w
i
t
c
h
4
-
1
4
......................................
4
.
1
3
.
2
C
h
e
c
k
i
n
g
h
i
g
h
p
r
e
s
s
u
r
e
s
w
i
t
c
h
4
-
1
4
.......................................
4
.
1
4
C
h
e
c
k
i
n
g
a
n
d
r
e
p
l
a
c
i
n
g
l
o
w
p
r
e
s
s
u
r
e
c
u
t
o
u
t
s
w
i
t
c
h
4
-
1
5
...........................
4
.
1
4
.
1
R
e
p
l
a
c
i
n
g
l
o
w
p
r
e
s
s
u
r
e
s
w
i
t
c
h
4
-
1
5
.......................................
4
.
1
4
.
2
C
h
e
c
k
i
n
g
l
o
w
p
r
e
s
s
u
r
e
s
w
i
t
c
h
4
-
1
5
........................................
4
.
1
5
R
e
p
l
a
c
i
n
g
r
e
c
e
i
v
e
r
s
i
g
h
t
g
l
a
s
s
a
s
s
e
m
b
l
y
4
-
1
5
....................................
4
.
1
6
c
o
i
l
s
c
l
e
a
n
i
n
g
4
-
1
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
6
.
1
E
v
a
p
o
r
a
t
o
r
c
o
i
l
4
-
1
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
6
.
2
C
o
n
d
e
n
s
e
r
c
o
i
l
4
-
1
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
7
A
d
j
u
s
t
i
n
g
t
h
e
c
o
m
p
r
e
s
s
o
r
p
r
e
s
s
u
r
e
r
e
g
u
l
a
t
i
n
g
v
a
l
v
e
(
C
P
R
)
4
-
1
6
....................
4
.
1
8
T
h
e
r
m
o
s
t
a
t
i
c
e
x
p
a
n
s
i
o
n
v
a
l
v
e
4
-
1
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
9
M
i
c
r
o
p
r
o
c
e
s
s
o
r
4
-
1
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
9
.
1
S
e
r
v
i
c
e
g
u
i
d
e
l
i
n
e
s
4
-
1
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
.
1
9
.
2
M
i
c
r
o
p
r
o
c
e
s
s
o
r
c
o
n
f
i
g
u
r
a
t
i
o
n
4
-
1
9
........................................
4
.
1
9
.
3
C
o
n
t
r
o
l
l
e
r
s
e
n
s
o
r
c
h
e
c
k
o
u
t
4
-
2
0
..........................................
4
.
1
9
.
4
S
u
c
t
i
o
n
p
r
e
s
s
u
r
e
t
r
a
n
s
d
u
c
e
r
4
-
2
1
.........................................
Section 5
T
R
O
U
B
L
E
S
H
O
O
T
I
N
G
5
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
1
D
i
e
s
e
l
E
n
g
i
n
e
5
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
1
.
1
E
n
g
i
n
e
w
i
l
l
n
o
t
s
t
a
r
t
5
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
1
.
2
E
n
g
i
n
e
s
t
a
r
t
s
t
h
e
n
s
t
o
p
s
5
-
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
1
.
3
S
t
a
r
t
e
r
m
o
t
o
r
m
a
l
f
u
n
c
t
i
o
n
5
-
2
...........................................
5
.
1
.
4
M
a
l
f
u
n
c
t
i
o
n
i
n
t
h
e
e
n
g
i
n
e
s
t
a
r
t
i
n
g
c
i
r
c
u
i
t
5
-
2
...............................
5
.
2
A
l
t
e
r
n
a
t
o
r
(
a
u
t
o
m
o
t
i
v
e
t
y
p
e
)
5
-
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
3
R
e
f
r
i
g
e
r
a
t
i
o
n
5
-
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
3
.
1
U
n
i
t
w
i
l
l
n
o
t
c
o
o
l
5
-
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
3
.
2 U
n
i
t
r
u
n
s
b
u
t
h
a
s
i
n
s
u
f
f
i
c
i
e
n
t
c
o
o
l
i
n
g
5
-
3
..................................
5
.
3
.
3
U
n
i
t
o
p
e
r
a
t
e
s
l
o
n
g
o
r
c
o
n
t
i
n
u
o
u
s
l
y
i
n
c
o
o
l
i
n
g
5
-
4
...........................
5
.
3
.
4
U
n
i
t
w
i
l
l
n
o
t
h
e
a
t
o
r
h
a
s
i
n
s
u
f
f
i
c
i
e
n
t
h
e
a
t
i
n
g
5
-
4
............................
5
.
3
.
5
D
e
f
r
o
s
t
c
y
c
l
e
m
a
l
f
u
n
c
t
i
o
n
5
-
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iv
5
.
3
.
6
A
b
n
o
r
m
a
l
p
r
e
s
s
u
r
e
5
-
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
3
.
7
A
b
n
o
r
m
a
l
n
o
i
s
e
5
-
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
.
3
.
8
C
o
n
t
r
o
l
s
y
s
t
e
m
m
a
l
f
u
n
c
t
i
o
n
5
-
5
..........................................
5
.
3
.
9
N
o
e
v
a
p
o
r
a
t
o
r
a
i
r
f
l
o
w
r
e
s
t
r
i
c
t
e
d
a
i
r
f
l
o
w
5
-
6
...............................
5
.
3
.
1
0
E
x
p
a
n
s
i
o
n
v
a
l
v
e
m
a
l
f
u
n
c
t
i
o
n
5
-
6
.........................................
5
.
3
.
1
1
H
o
t
g
a
s
v
a
l
v
e
m
a
l
f
u
n
c
t
i
o
n
5
-
6
...........................................
5
.
4
S
t
a
n
d
b
y
m
o
t
o
r
m
a
l
f
u
n
c
t
i
o
n
5
-
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 6
E
X
T
R
A
C
T
F
R
O
M
M
A
T
E
R
I
A
L
S
A
F
E
T
Y
D
A
T
A
B
U
L
L
E
T
I
N
6
-
1
...........................
6
.
1
p
o
e
o
i
l
6
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
.
2
f
o
r
a
n
e
R
4
0
4
a
6
-
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 7
E
L
E
C
T
R
I
C
A
L
S
C
H
E
M
A
T
I
C
W
I
R
I
N
G
D
I
A
G
R
A
M
7
-
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
v
62-
-611XX-
-20
(03/04)
LIST OF FIGURES
Figure
2-1
Supra
750Mt
_
/ 850Mt
_
M
o
d
e
l
s
2
-
3
....................................
Figure
2-2
Supra
950Mt
_
M
o
d
e
l
2
-
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
3
E
v
a
p
o
r
a
t
o
r
M
T
S
m
o
d
e
l
2
-
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
4
E
v
a
p
o
r
a
t
o
r
M
T
D
m
o
d
e
l
2
-
8
...........................................
F
i
g
u
r
e
2
-
5
E
l
e
c
t
r
i
c
a
l
b
o
x
2
-
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
6
C
o
n
t
r
o
l
r
e
l
a
y
b
o
a
r
d
v
i
e
w
2
-
1
0
...........................................
F
i
g
u
r
e
2
-
7
C
a
b
C
o
m
m
a
n
d
2
-
1
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
8
A
u
t
o
S
t
a
r
t
S
e
q
u
e
n
c
e
2
-
2
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
9
M
a
i
n
H
e
a
t
V
a
l
v
e
s
-
-
N
O
a
n
d
N
C
2
-
2
6
....................................
F
i
g
u
r
e
2
-
1
0
H
o
t
g
a
s
&
L
i
q
u
i
d
S
u
c
t
i
o
n
V
a
l
v
e
s
-
-
N
C
2
-
2
7
..............................
F
i
g
u
r
e
2
-
1
1
A
c
c
u
m
u
l
a
t
o
r
2
-
2
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
1
2
B
y
-
-
p
a
s
s
v
a
l
v
e
s
-
-
N
C
2
-
2
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
1
3
C
o
m
p
r
e
s
s
o
r
c
y
l
i
n
d
e
r
h
e
a
t
u
n
l
o
a
d
e
r
H
o
t
g
a
s
b
y
p
a
s
s
2
-
2
8
..................
F
i
g
u
r
e
2
-
1
4
C
o
m
p
r
e
s
s
o
r
c
y
l
i
n
d
e
r
h
e
a
d
l
o
a
d
e
r
H
o
t
g
a
s
b
y
p
a
s
s
2
-
2
9
...................
F
i
g
u
r
e
2
-
1
5
5
0
A
m
p
A
l
t
e
r
n
a
t
o
r
a
n
d
R
e
g
u
l
a
t
o
r
2
-
3
0
..................................
F
i
g
u
r
e
2
-
1
6
G
e
n
e
r
a
t
o
r
a
n
d
c
o
n
n
e
c
t
i
o
n
i
n
c
o
n
t
r
o
l
b
o
x
2
-
3
0
............................
F
i
g
u
r
e
2
-
1
7
C
o
o
l
i
n
g
C
y
c
l
e
2
-
3
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
2
-
1
8
H
e
a
t
a
n
d
D
e
f
r
o
s
t
C
y
c
l
e
2
-
3
5
..........................................
Figu
re
3-1
T
emp
era
ture
Con
trol
ler
Oper
atin
g S
equ
enc
e (
Peri
sha
ble
Ran
ge)
.
.
.
.
.
.
.
.
Controller Set Point Above --12
_
C (+10
_
F
)
3
-
9
..........................
Fig
ur
e 3-2
T
em
pe
ra
tur
e Con
tro
ll
er Op
era
tin
g Seq
ue
nc
e “Le
ad
” Eva
po
rat
or
.
.
.
.
.
.
.
.
.
(Perishable Range) Controller Set Point Above --12
_
C (+10
_
F
)
3
-
9
........
Fig
ur
e 3
-3
T
em
pe
ra
tur
e C
on
tro
ll
er
Ope
rat
in
g S
eq
ue
nc
e (
Fro
ze
n R
an
ge
)
.
.
.
.
.
.
.
.
.
.
.
Controller Set Point Below --12
_
C (+10
_
F
)
3
-
1
0
..........................
Fig
ur
e 3-4
T
em
pe
ra
tur
e Con
tro
ll
er Op
era
tin
g Seq
ue
nc
e “Le
ad
” Eva
po
rat
or
.
.
.
.
.
.
.
.
.
(Frozen Range) Controller Set Point Below --12
_
C (+10
_
F
)
3
-
1
0
...........
F
i
g
u
r
e
4
-
1
C
o
o
l
i
n
g
c
i
r
c
u
i
t
4
-
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
4
-
2
F
u
e
l
f
i
l
t
e
r
a
n
d
f
u
e
l
c
i
r
c
u
i
t
4
-
4
..........................................
F
i
g
u
r
e
4
-
3
S
p
e
e
d
a
n
d
r
u
n
c
o
n
t
r
o
l
s
o
l
e
n
o
i
d
s
4
-
5
....................................
F
i
g
u
r
e
4
-
4
E
l
e
c
t
r
i
c
f
u
e
l
p
u
m
p
4
-
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
4
-
5
E
l
e
c
t
r
o
n
i
c
B
e
l
t
T
e
n
s
i
o
n
m
e
t
e
r
(
p
a
r
t
n
o
.
0
7
-
6
0
0
9
8
-
-0
0
)
4
-
8
.................
F
i
g
u
r
e
4
-
6
V
-
b
e
l
t
a
r
r
a
n
g
e
m
e
n
t
4
-
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
4
-
7
D
u
a
l
V
a
c
u
u
m
P
u
m
p
C
o
n
n
e
c
t
i
o
n
s
4
-
1
1
...................................
F
i
g
u
r
e
4
-
8
C
o
m
p
r
e
s
s
o
r
s
4
-
1
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F
i
g
u
r
e
4
-
9
U
n
l
o
a
d
e
r
s
o
l
e
n
o
i
d
v
a
l
v
e
4
-
1
4
...........................................
F
i
g
u
r
e
4
-
1
0
T
y
p
i
c
a
l
s
e
t
u
p
f
o
r
t
e
s
t
i
n
g
h
i
g
h
p
r
e
s
s
u
r
e
s
w
i
t
c
h
4
-
1
5
.......................
F
i
g
u
r
e
4
-
1
1
C
o
m
p
r
e
s
s
o
r
p
r
e
s
s
u
r
e
r
e
g
u
l
a
t
i
n
g
v
a
l
v
e
4
-
1
6
..............................
F
i
g
u
r
e
4
-
1
2
T
h
e
r
m
o
s
t
a
t
i
c
e
x
p
a
n
s
i
o
n
v
a
l
v
e
4
-
1
7
.....................................
F
i
g
u
r
e
4
-
1
3
T
h
e
r
m
o
s
ta
ti
c
e
x
p
a
n
s
i
o
n
v
a
l
v
e
b
u
l
b
a
n
d
t
h
e
r
m
o
c
o
u
p
l
e
4
-
1
7
................
Figu
re
7-1 -
-
Ele
ctri
cal
sch
ema
tic
dia
gra
m
-
-
MICR
OPROC
ESSOR
CONT
ROLL
ER
7-2
.
vi
LIST OF TABLES
T
a
b
l
e
2
-
1
C
o
n
d
e
n
s
e
r
s
M
o
d
e
l
C
h
a
r
t
2
-
2
...........................................
T
a
b
l
e
2
-
2
E
v
a
p
o
r
a
t
o
r
s
M
o
d
e
l
C
h
a
r
t
2
-
2
...........................................
T
a
b
l
e
2
-
3
E
v
a
p
o
r
a
t
o
r
s
d
e
s
i
g
n
a
t
i
o
n
2
-
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
a
b
l
e
2
-
4
S
a
f
e
t
y
D
e
v
i
c
e
s
2
-
1
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
a
b
l
e
2
-
5
F
u
n
c
t
i
o
n
P
a
r
a
m
e
t
e
r
s
2
-
1
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
a
b
l
e
2
-
7
U
n
i
t
D
a
t
a
C
o
d
e
s
2
-
2
0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
a
b
l
e
2
-
8
A
l
a
r
m
D
i
s
p
l
a
y
2
-
2
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
a
b
l
e
2
-
1
0
B
a
t
t
e
r
y
V
o
l
t
a
g
e
s
2
-
2
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
a
b
l
e
3
-
1
1
R
e
l
a
y
O
p
e
r
a
t
i
o
n
-
-
M
i
c
r
o
p
r
o
c
e
s
s
o
r
C
o
n
t
r
o
l
l
e
r
3
-
6
.........................
T
a
b
l
e
4
-
1
B
e
l
t
t
e
n
s
i
o
n
4
-
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
a
b
l
e
4
-
2
C
o
n
n
e
c
t
i
o
n
P
o
i
n
t
V
o
l
t
a
g
e
4
-
1
8
...........................................
T
a
b
l
e
4
-
3
M
i
c
r
o
p
r
o
c
e
s
s
o
r
C
o
n
f
i
g
u
r
a
t
i
o
n
4
-
1
9
........................................
T
a
b
l
e
4
-
4
S
e
n
s
o
r
R
e
s
i
s
t
a
n
c
e
(
A
T
S
,
D
T
S
,
C
D
T
,
R
A
S
,
S
A
S
&
W
T
S
)
4
-
2
0
................
T
a
b
l
e
4
-
5
R
-
4
0
4
A
T
e
m
p
e
r
a
t
u
r
e
-
P
r
e
s
s
u
r
e
c
h
a
r
t
4
-
2
1
.................................
1-1
62-611XX-
-
20
(03/04)
SECTION 1
SAFETY INSTRUCTIONS
This manual contains safety and service instructions to follow in order to prevent any accident. Stickers have
been placed on the product for your
SAFETY
.
BEFOR
E
USIN
G
THIS
REFR
IGERA
NT
UNIT
,
read
care
ful
ly
all
safe
ty
info
rma
tion
exp
lai
ned
in this manual and indicated on the product. Be sure that everybody who will use this
refrigeration unit has been trained to use it in a safe way.
DURING THE USE OR MAINTENANCE OF THIS REFRIGERATION UNIT
, the
notes on safety are to be considered.
Personal Protective Equipment :
Always
use
adequ
ate
Person
al
Protectiv
e
Equipm
ent
before
doinganything
on
this
refrige
rant unit,
as explained in
this manual.
Working at height :
Take all necessary safety precautions when accessing this refrigeration unit : use
safe ladders, working
platform
s
with appropriate guards.
Automatic start :
This refrigeration unit is
equip
ped with
Auto-
-Start/Stop,
a valuable fuel
savin
g
fea
ture
. Whe
n
thisrefrige
rati
on
uni
t
is
set
for
Auto-
-start/
Stop
ope
rati
on
it
may
star
t
at any time and without warning.
Be
for
e
se
rvi
ci
ng
ref
rig
era
tio
n
un
it,
ma
ke
su
re
the
ma
in
po
we
r
sw
itc
h
is
on
theOFF
position. Ensure the unit will not restart.
Lock--out / Tag--out can be performed by disconnecting and enclosing:
-- The negative battery cable in diesel mode;
-- The electrical plug in electrical mode.
1-2
Belts and fans :
This refrigeration unit is equipped with Auto--start/stop, it may start at any time
and without warning.
When the unit is running beware of belts and fans that are moving.
Before servicing refrigeration unit, make sure the main power switch is on the
OFF position. Ensure the unit will not restart. Lock--out / Tag--out can be
performed as described above.
When there is protective structure (fan grid or guard for example) make sure
they are in place. Never removed them when the refrigeration unit is running.
Always keep your hands, body
parts, clothes, hairs and
tools far
from moving
parts.
Electricity :
When this refrigeration unit is running in electrical operation, some devices are
powere
d
up especiall
y
in the
electri
cal control box.
Before servicing refrigeration unit, make sure the main power switch is on the
OFF position. Ensure this refrigeration unit is disconnected from the local
electrical network.Lock--out / Tag--out can be performed as described above.
Before working in the electrical control box, it is required to control the lack of
tension.
WHEN IT IS NECESSARY TO WORK IN THE ELECTRICAL CONTROL BOX
UNDER TENSION, PEOPLE MUST BE QUALIFIED FOR WORKS UNDER
LOW OR HIGH VOLTAGE.
Always use adequate tools and Personal Protective Equipme
nt when
workin
g
on electrical devices : safety gloves and safety glasses.
Engine coolant :
This refrigeration unit is equipped with a pressurised cooling system. Under
normal operating conditions, the coolant in the engine and radiator is under high
pressure and very hot.
Coolant is very slippery. It can be harmful in case of ingestion.
Never remove the cap from a hot radiator when this refrigeration unit is running
or immediately after.
If the cap must be removed, wait at least 10 minutes and then do so very slowly
in order to release the pressure without spray.
In case of leakage, immediatly clean the floor to prevent slipping.
Avoid contac
t
with the
skin and eyes.
Always use Personal Protective
Equipment when handling engine coolant : safety clothes, safety gloves and
safety glasses.
Refrigerant :
The refrigerant contained in this refrigeration unit can cause frosbite, severe
burns or blindness in case of projection and direct contact with the skin or eyes.
In contact with flame or heat refrigerant generate toxic gas.
Refrigerant handling must be done by qualified people.
Keep any flame, any lighted object or any source of sparks away from the refri-
gerant unit.
Always use Personal Protective Equipm
ent when handling refrigeran
t
:
safety
clothes
,
safety glov
es and safety gl
asses.
1-3
62-611XX-
-
20
(03/04)
Burning with hot and cold :
When this refrigeration unit is running or even after, different components can
be very cold or hot (exhaust pipe, tubes, coils, receiver, accumulator or engine
for example)
Beware when operating closed from cold or hot components.
Always use adequate safety gloves when doing any
mainte
nance on this
refrigeration unit.
Cutti
ngs
:
Beware when handling or operating closed from parts that could be sharp (coils,
evaporators, clamps for example).
Always
use
adequ
ate
safety
glove
s
when
doing
any
mainte
nance
on
this
refrigeration unit.
Battery :
Thi
s
refr
ige
rati
on
uni
t
may
be
equ
ipp
ed
with a
lea
d-
-acid
type
batt
ery
.
Whe
n
charging the battery normally vents small amounts of flammable and explosive
hydrogen gas.
Projections of acids on the skin or eyes can cause severe burns.
Keep any flame, any lighted object or any source of sparks away from the battery
elements.
Always use Personal Protective Equipm
ent when handlin
g and charging battery:
safety clothes, safety gloves and safety glasses.
Environment :
Think about protection of environment during all the life of this refrigeration unit.
T
o
pre
ven
t
env
iron
men
tal
dam
age
s
NEV
ER
rel
eas
e
refr
ige
rant
in
the
atmo
sph
ere
,
NE
VER
thr
ow
co
ol
an
t,
oi
l,
ba
tte
ry
an
d
ch
em
ic
al
s
in
th
e
na
tur
e.
It
mu
st
be
recuperate and recycle according to current regulations.
When disposing this refrigerant unit do it in an environmentally sound way and in
accordance with current regulations.
CAUTION
Under no circumstances should anyone attempt to repair the Logic or Display Boards. Should a problem
develop with these component, contact your nearest Carrier Transicold dealer for replacement.
Under no circumstances should a technician electrically probe the processor at any point, other than the
conne
ctor
termina
ls
where the
harnes
s
attaches
.
Microp
rocess
or
compo
nents operate
at
differe
nt
voltage
level
s and
at extremely low current levels. Improper use of
voltmete
rs, jumper wires, continuity testers, etc.
could permanently damage the processor.
Mos
t
ele
ctro
nic
com
pon
ent
s
are
sus
cep
tibl
e
to
dam
age
cau
sed
by
ele
ctri
cal
stat
ic
dis
cha
rge
(ESD
).
In
cert
ain
cases
,
the human body can have enough static electricity to
cause resulta
nt damage to
the componen
ts by
touch. This is especially true of the integrated circuits found on the truck/trailer microprocessor.
2-1
SECTION 2
DESCRIPTION
2.
1
IN
TR
OD
UC
TIO
N
WARNING
Be
wa
re
of
una
nno
unc
ed
st
ar
ti
ng
of
engine or standby motor caused by the
unit thermostat or
the start/st
op
cycle
.
Per
sona
l
Pro
tec
tiv
e
Equi
pme
nt
:
bef
ore
do
in
g
an
yt
hi
ng
on
th
is
pr
od
uc
t,
as
exp
lain
ed
in
this
man
ual.
Alw
ays
use
saf
ety
pre
cau
tion
s
bef
ore
doing
any
maintenance on the unit
s
a
f
e
t
y
g
l
a
s
s
e
s
,
g
l
o
v
e
s
,
sa
fe
ty
sh
oe
s
,
sa
f
et
y
c
lo
t
he
s
a.
Sys
tem
This
man
ual
con
tai
ns
Ope
rati
ng
Data
,
Ele
ctri
cal
Data and Service Instructions for the refrigeration units
listed in Table 2-1. Also Table 2-1 charts some signifi-
cant differences between these models.
The
Supra
Multi-T
emp,
multipl
e
compa
rtment
refrig-
era
tion syste
ms offer
the versa
tili
ty
of
two
or three
compa
rtment
tempera
ture con
trol in
truck.
The Mu
lti-
Temp allows the shipper to ship frozen and perishable
com
mod
itie
s
in
the
sam
e
loa
d
und
er
sep
arat
e
refr
ige
ra-
tion control.
b.
Truc
k condens
ing units
The Supra 750Mt
_
, 850Mt
_
and 950Mt
_
mod
els
are
one piece condensing units designed for truck applica-
tion
s
ava
ila
ble
for
R40
4a
refr
ige
rant
.
They
are
equ
ipp
ed
with an
electric standby motor
.
The model/serial number plate is located inside of
the uni
t
on
the fram
e
as
sh
ow
n
in
Fi
gu
re
2-1 and
Figure 2-2.
fixed on
the frame
fixed on
the micro
The control system is a microprocessor controller
(Re
fer
to
se
cti
on
2.8
).
Onc
e
the
co
ntr
ol
le
r
(
rem
oteCab
Command within the cab of the truck ) is set at the de-
sired temperature, the unit will operate automatically to
maintain the desired temperature within very close lim-
its. The control system automatically selects high and
lo
w
sp
ee
d
co
ol
in
g
or
hi
gh
an
d
lo
w
sp
ee
d
he
ati
ng
as
ne
c-
essary to
mainta
in the
desire
d t
emper
ature.
The
mic
rop
roce
sso
r
con
trol
ler
has
an
autostart/st
op
feature. The auto start/stop operation provides auto-
ma
tic
cyc
li
ng
of
thedie
se
l
en
gi
ne
,
wh
ic
h
inturn
of
fer
s
an
energy efficient alternative to continuous operation of
the
eng
ine
with
con
trol
of
temp
era
ture
by
alte
rnat
e
coo
l-
ing and heating of the supply air (evaporator outlet air).
A
remote
standb
y
recepta
cle
is
standa
rd
with
all
units.
c.
Multite
mpera
ture evapora
tors
The compartments of the Multi-Temp system are
equip
ped with
separa
te evapora
tors.
For Multi-Temp applications, single discharge and
do
ub
le
di
sc
ha
rg
e
ev
ap
ora
tor
s
are
av
ai
la
bl
e.
The
eva
por
ato
rs
are
dif
fere
nt
in
siz
e,
cap
aci
ty
and
num
berof
fa
ns
(
se
e
T
ab
le
2-
2
),
bu
t
al
l
wo
rk
onthe
sa
mepri
nc
ip
le
an
d
us
e
th
e
sa
me
si
ng
le
-p
ha
se
50
Hz
/6
0H
z
fa
n
assembly. The electrical heaters vary according to the
ty
p
e
o
f
c
o
n
d
e
n
s
i
n
g
u
n
i
t
u
s
e
d
a
n
d
n
u
m
b
e
r
o
f
compa
rtments. ( see Figure 2-
3 and
Figure 2-4 )
The evaporator is constructed with plastic profiles
de
si
gn
ed
to
me
et
the
sp
ec
ifi
c
re
qu
ir
em
en
ts
of
the
tran
spo
rt
ind
ustr
y
.
The
air
out
let
pro
file
s
are
des
ign
ed
to
adjust to allow different airspeeds and velocity.
Inside the evaporator housing are one or more of
the following :
240 Volt Single phase backward curved impeller
which supplies high air volumes at low noise levels;
expansion valve; check valve; 12V hot gas solenoid;
12
V
li
qu
id
li
ne
so
le
no
id
;12
V
wa
ter
dra
in
he
ate
r;
electrical heater element; sensor ( defrost termination
sensor ); safety heating thermostat.
2
-
2
6
2
-
-
6
1
1
X
X
-
-
2
0
(
0
3
/
0
4
)
Table 2-1 Condensers Model Chart
R-404A
Model
L
B
K
G
E
n
g
i
n
e
C
o
m
p
r
e
s
s
o
r
S
t
a
n
d
b
y
M
o
t
o
r
SUPRA 750Mt
_
05K
2
Cylinders
SUPRA 850Mt
_
1
3
.
6 6
.
2 C
T
3
-
4
4
T
V
05K 4 Cylinders
refer
to
section
2.5
c.
SUPRA 950Mt
_
1
7
.
2
7
.
8
C
T
3
-
6
9
T
V
0
5
G
6
C
y
l
i
n
d
e
r
s
.
.
Table 2-2 Evaporators Model Chart
M
o
d
e
l
D
i
s
c
h
a
r
e
L
e
n
t
h
P
o
w
e
r
W
a
t
t
s
N
u
m
be
r
of
f
a
ns
M
T
S
7
0
0
H
0
6
S
i
n
g
l
e
7
0
0
m
m
6
0
0
1
M
T
S
7
0
0
H
1
2
S
i
n
g
l
e
7
0
0
m
m
1
2
0
0
1
M
T
S
7
0
0
H
2
4
S
i
n
g
l
e
7
0
0
m
m
2
4
0
0
1
M
T
S
1
1
0
0
H
1
2
S
i
n
g
l
e
1
1
0
0
m
m
1
2
0
0
2
M
T
S
1
1
0
0
H
2
4
S
i
n
g
l
e
1
1
0
0
m
m
2
4
0
0
2
M
T
S
1
4
5
0
H
1
2
S
i
n
g
l
e
1
4
5
0
m
m
1
2
0
0
2
M
T
S
2
2
0
0
H
2
4
S
i
n
g
l
e
2
2
0
0
m
m
2
4
0
0
3
M
T
D
7
0
0
H
2
4
D
o
u
b
l
e
7
0
0
m
m
2
4
0
0
1
M
T
D
1
1
0
0
H
2
4
D
o
u
b
l
e
1
1
0
0
m
m
2
4
0
0
2
M
T
D
1
4
5
0
H
2
4
D
o
u
b
l
e
1
4
5
0
m
m
2
4
0
0
2
M
T
D
2
2
0
0
H
2
4
D
o
u
b
l
e
2
2
0
0
m
m
2
4
0
0
3
Table 2-3 Evaporators designation
M
T
S
0
7
H
2
4
3
A
3
b
b
b
POWER:
HEAT /
b
b
b
b
06: 600W
b
:
A: Electrical
b
 ENTILA-
NOMINAL
SIZE:
12:
1200W
-
460V 3Ph
FAN
MOTORS
UNIT:
TION :
07: 700mm
AIR FLOW:
H: H
i
h ai
r
15: 1500W
-
RANT:
B:
Electrical
230V 1Ph
 TENSION:
MULTI
M: Maxima
T: Truck
D: Dual
Discharge
09:
900mm
 flow
20: 2000W
24: 2400W
3: R404A
C: Hot gas
1:
12
VDC
V: Vector
S:
Single
11:
1100mm
L:
Low
air
flow
30:
3000W
4: R22
D: Hot gas /
2:
24
VDC
3: 220 VAC
Discharge
:
mm
22: 2200mm
38:
3800W
:
ec
r
ca
3Ph
4: 400 VAC
40: 4000W
E:
Hot
gas
/
Electrical 230V
45: 4500W
1Ph
2-3
1.
Mu
ff
le
r
2.
Engin
e (refe
r to T
able
2-1)
3.
Compre
ssor (
refer to
T
able
2-1)
4.
Alte
rna
tor
(12
V)
5.
Ele
ctri
c Sta
ndb
y Mo
tor
6.
Fit
tin
gs
for
Mt
_
evaporators
7.
Compre
ssor p
ressure
regula
ting va
lve (CP
R)
8.
Fil
ter
dr
ie
r
9.
Con
den
ser
10.
Coo
lan
t
bott
le
Figure 2-
1
Supra
750Mt
/
850Mt
Models
TOP VIEW
1.
2.
3.
4.
7.
6.
5.
8.
9.
10.
2
-
4
6
2
-
-
6
1
1
X
X
-
-
2
0
(
0
3
/
0
4
)
1.
-
-
Batte
ry
2.
+
Mi
cr
o
3.
Fue
l
li
ne
s
4.
+
Ba
tt
er
y
5.
Seri
al/M
ode
l p
lat
e
6.
Fue
l
fil
ter
7.
Spe
ed &
Run
sol
eno
id
8.
Oil
fil
ter
9.
Oil
ga
ug
e
10.
Air cl
ean
er (d
ry ai
r type
)
1
1.
Recei
ver
sight
glass
12.
Moistu
re
indic
ation
sight
glass
13.
Rec
eiv
er
14.
Ele
ctri
cal
box
CURBSIDE VIEW
ROADSIDE VIEW
1.
2.
3.
4.
5.
6.
7.
8.
10.
1
1.
13.
14.
9.
12.
2-5
Figure 2-
2
Supra
950Mt
Model
TOP VIEW
1.
2.
3.
4.
5.
1.
Mu
ff
le
r
2.
Engine
(refer to
T
able
2-1)
3.
Compre
ssor (r
efer to
T
able
2-1)
4.
Alte
rna
tor
(12
V)
5.
Ele
ctri
c sta
ndb
y mo
tor
6.
Fi
tti
ng
for
Mt
_
evaporators
7.
Compre
ssor pre
ssure re
gulati
ng val
ve (CPR
)
8.
Fil
ter
drie
r
9.
Con
den
ser
10.
Coo
lan
t
bot
tle
7.
8.
9.
10.
6.
2
-
6
6
2
-
-
6
1
1
X
X
-
-
2
0
(
0
3
/
0
4
)
CURBSIDE VIEW
ROADSIDE VIEW
1.
-
-
Batt
ery
2.
+
Mi
cr
o
3.
Fue
l
li
ne
s
4.
+
Ba
tte
ry
5.
Seri
al/M
ode
l p
late
6.
Fue
l
fil
ter
7.
Sol
eno
id
8.
Oil
fil
ter
9.
Oil
ga
ug
e
10.
Air c
lea
ner (
dry a
ir typ
e)
1
1.
Receiv
er
sight
glasse
s
12.
Moisture
indica
tion
sight
glass
13.
Rec
eiv
er
14.
Ele
ctri
cal
box
15.
Air
clean
er -
-
Silent version
16.
Muffle
r
-
-
Silent version
15.
16.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1
1.
12.
13.
14.
Silent version
Standard version
2-7
1.
Eva
por
ator
Coi
l
2.
Tu
rbi
ne f
an (
1, 2
or 3
accord
ing to
the model)
3.
RA
S
Se
ns
or
4.
Co
i
l
5.
He
at
ers
6.
Exp
ans
ion
val
ve
7.
Pre
ss
ure
tap
Figure 2-3
Evapor
ator MTS m
odel
1.
2.
3
.
4
.
5.
6.
7.
2
-
8
6
2
-
-
6
1
1
X
X
-
-
2
0
(
0
3
/
0
4
)
1.
Evap
ora
tor
Coi
l
2.
Tu
rbin
e fa
n (1
, 2 o
r 3
accord
ing to
the model)
3.
RAS
Sen
so
r
4.
Co
il
5.
He
ate
rs
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Carrier SUPRA 850Mt Operation And Service Manual

Carrier
Brand
Carrier
Model
SUPRA 850Mt
Type
Operation And Service Manual
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