Ducane (HVAC) (2/4)SH13 User Manual
Page 9
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# 48369K005
Page 9
Cooling System Performance
For maximum performance of the cooling system, operat-
ing temperatures and pressure should be checked.
Subcooling should be determined at Standard ARI test
conditions of 82°F outdoor and 80°F indoor dry bulb/67°F
wet bulb. If subcooling measured deviates from values
found in Table 4, refrigerant charge should be adjusted
accordingly for maximum performance.
Liquid Subcooling
Table 4
e
z
i
S
g
n
i
l
o
o
c
b
u
S
d
i
u
q
i
L
s
n
o
i
t
i
d
n
o
C
I
R
A
@
B
W
D
I
°
7
6
/
B
D
D
I
°
0
8
-
D
O
°
2
8
2
2
R
A
0
1
4
4
2
°
0
1
°
9
0
3
°
8
°
1
1
6
3
°
0
1
°
1
1
8
4
,
2
4
°
5
°
7
0
6
°
0
1
°
0
1
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