Carrier SUPRA 750Mt - 4.7 EVACUATION AND DEHYDRATION

3
-
9
6
2
-
-
6
1
1
X
X
-
-
2
0
(
0
3
/
0
4
)
+1.5
_
C
+1
_
C
--0.3
_
C
--1
_
C
+1.3
_
C
+0.8
_
C
--0.5
_
C
--1.5
_
C
LS COOL
NULL
LS HEAT
HS HEAT
HS COOL
On start/stop, the diesel engine
stops when all compartments
are in null. It restarts when any
one of the compartment reaches
autorestart preset conditions.
Perishable set point > --12
˚
C
PERISHABLE RANGE
CONTINUOUS & START/STOP
Electrical heating for
non lead compartment
Figure 3-1
T
emper
ature Controlle
r Operating Sequence (Perisha
ble Range)
Controller Set Poin
t Above
-
-12
_
C (+10
_
F)
PERISHABLE RANGE
CONTINUOUS in LEAD
compartment
LS COOL
LS HEAT
HS HEAT
HS COOL
+1.5
_
C
+0.2
_
C
--1
_
C
+1.3
_
C
--1.5
_
C
Perishable set point > --12
˚
C
Hot gas heating for
lead
compartm
ent
Figure 3-2
Te
mpera
ture Controlle
r Operating Sequence “Lead” Evaporator
(Perishable Range) Con
troller Set Point
Above
-
-12
_
C (+10
_
F)