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33. PRESSURE SERVICE PORTS
High and low pressure service ports are installed on all
units so that the system operating pressures can be
observed. Table 17 outlines expected pressures at
various indoor and outdoor temperatures.
R
e
u t
n r
A
M
o
d
l e
T
e
m
p
e
a r
u t
7
5
d
e
. g
D
6
2
d
e
. g
W
8
0
d
e
. g
D
W
G
2
4
1
6
7
d
e
. g
W
8
5
d
e
. g
D
7
2
d
e
. g
W
7
5
d
e
. g
D
6
2
d
e
. g
W
8
0
d
e
. g
D
W
G
3
0
1
6
7
d
e
. g
W
8
5
d
e
. g
D
7
2
d
e
. g
W
7
5
d
e
. g
D
6
2
d
e
. g
W
8
0
d
e
. g
D
W
G
3
6
1
6
7
d
e
. g
W
8
5
d
e
. g
D
7
2
d
e
. g
W
7
5
d
e
. g
D
6
2
d
e
. g
W
8
0
d
e
. g
D
W
G
4
2
2
6
7
d
e
. g
W
8
5
d
e
. g
D
7
2
d
e
. g
W
7
5
d
e
. g
D
6
2
d
e
. g
W
8
0
d
e
. g
D
W
G
4
8
1
6
7
d
e
. g
W
8
5
d
e
. g
D
7
2
d
e
. g
W
7
5
d
e
. g
D
6
2
d
e
. g
W
8
0
d
e
. g
D
W
G
6
0
1
6
7
d
e
. g
W
8
5
d
e
. g
D
7
2
d
e
. g
W
Low side pressure ± 2 PSIG
High side pressure ± 5 PSIG
COOLING PRESSURE TABLE
r i
e r
P
e r
s
s
u
e r
7
5
B
L
o
w
S
d i
e
7
2
B
H
g i
h
S
d i
e
2
0
1
B
L
o
w
S
d i
e
7
6
B
H
g i
h
S
d i
e
2
0
7
B
L
o
w
S
d i
e
8
2
B
H
g i
h
S
d i
e
2
1
4
B
L
o
w
S
d i
e
7
6
B
H
g i
h
S
d i
e
2
1
8
B
L
o
w
S
d i
e
8
1
B
H
g i
h
S
d i
e
2
2
3
B
L
o
w
S
d i
e
8
7
B
H
g i
h
S
d i
e
2
3
2
B
L
o
w
S
d i
e
7
2
B
H
g i
h
S
d i
e
2
2
2
B
L
o
w
S
d i
e
7
7
B
H
g i
h
S
d i
e
2
2
8
B
L
o
w
S
d i
e
8
3
B
H
g i
h
S
d i
e
2
3
7
B
L
o
w
S
d i
e
6
6
B
H
g i
h
S
d i
e
2
0
6
B
L
o
w
S
d i
e
7
2
B
H
g i
h
S
d i
e
2
1
1
B
L
o
w
S
d i
e
7
8
B
H
g i
h
S
d i
e
2
1
9
B
L
o
w
S
d i
e
6
9
B
H
g i
h
S
d i
e
1
9
9
B
L
o
w
S
d i
e
7
4
B
H
g i
h
S
d i
e
2
0
5
B
L
o
w
S
d i
e
8
0
B
H
g i
h
S
d i
e
2
1
0
B
L
o
w
S
d i
e
6
9
B
H
g i
h
S
d i
e
2
3
1
B
L
o
w
S
d i
e
7
4
B
H
g i
h
S
d i
e
2
3
7
B
L
o
w
S
d i
e
8
0
B
H
g i
h
S
d i
e
2
4
5
TABLE 17
8
0
8
5
9
0
9
7
4
7
6
7
7
2
1
6
2
3
1
2
4
6
7
9
8
1
8
3
2
2
1
2
3
7
2
5
3
8
5
8
7
8
9
2
2
9
2
4
5
2
6
2
7
7
7
8
7
9
2
3
1
2
4
5
2
6
1
8
2
8
3
8
5
2
3
7
2
5
1
2
6
7
8
8
9
0
9
1
2
4
6
2
6
1
2
7
7
7
4
7
5
7
6
2
3
8
2
5
5
2
7
2
7
9
8
1
8
2
2
4
5
2
6
2
2
7
9
8
5
8
6
8
8
2
5
4
2
7
1
2
8
9
6
9
7
1
7
3
2
2
1
2
3
6
2
5
1
7
4
7
6
7
8
2
2
6
2
4
2
2
5
7
8
0
8
2
8
4
2
3
4
2
5
0
2
6
6
7
0
7
2
7
3
2
1
4
2
2
9
2
4
4
7
5
7
6
7
8
2
2
0
2
3
5
2
5
1
8
1
8
3
8
4
2
2
6
2
4
2
2
5
9
7
0
7
2
7
3
2
4
8
2
6
5
2
8
3
7
5
7
6
7
7
2
5
4
2
7
2
2
9
0
8
1
8
2
8
3
2
6
3
2
8
2
3
0
0
5
1
0
0
1
0
5
1
1
0
7
9
8
1
8
2
8
2
6
3
2
8
0
2
9
7
3
1
8
5
8
7
8
8
9
2
7
0
2
8
7
3
0
6
3
2
9
1
9
3
9
5
9
2
8
0
2
9
8
3
1
6
3
3
8
1
8
2
8
4
8
2
7
8
2
9
5
3
1
4
3
3
8
7
8
8
9
0
9
2
8
5
3
0
3
3
2
2
3
4
9
3
9
4
9
6
9
2
9
5
3
1
3
3
3
3
3
5
7
8
7
9
8
1
8
2
9
0
3
0
8
3
2
6
3
4
8
4
8
5
8
7
8
2
9
8
3
1
6
3
3
5
3
5
9
0
9
1
9
3
9
3
0
8
3
2
7
3
4
6
3
6
7
5
7
6
7
8
7
2
6
7
2
8
2
3
0
0
3
1
8
0
8
1
8
4
8
2
7
4
2
9
0
3
0
7
3
2
8
6
8
7
8
9
9
2
8
3
2
9
9
3
1
6
3
3
7
4
7
5
7
6
7
2
6
1
2
7
8
2
9
4
3
1
7
9
8
0
8
2
8
2
6
8
2
8
5
3
0
2
3
2
8
5
8
6
8
8
8
2
7
7
2
9
4
3
1
4
3
3
7
4
7
5
7
6
7
3
0
1
3
1
9
3
3
8
3
5
7
9
8
0
8
1
8
3
0
9
3
2
7
3
4
6
3
6
8
5
8
6
8
7
8
3
2
0
3
3
9
3
6
0
3
7
Manual 2100-376
Page 46
1
1
5
3
8
5
5
3
3
5
0
9
1
4
3
4
4
7
9
8
6
3
5
6
5
8
7
4
3
5
6
1
9
3
3
3
6
5
8
1
0
0
5
3
7
8
2
8
3
6
3
6
6
8
8
9
5
3
7
5
5
9
6
7
3
8
8
9
8
1
5
3
3
2
5
8
7
3
3
4
1
1
9
3
4
3
5
2
7
7
9
2
3
3
1
3
8
5
1
3
4
0
9
9
1
2
3
5
2
7
7
9
6
3
7
6
2
8
4
6
3
8
6
8
9
0
9
3
9
9
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