Carrier 5H User Manual
Page 13
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5^60 a 5H60 COMPRESSORS
7-POUNO SPRING. R"I2 a R-500
L* LOADING POINT
4.7 PSI
STEP NO 3
• 2 8 PSt
STEP NO 2 ■
CAR
2 4 PSI
REDUCTION
STEP NO
ION _____ |_
STEP NO 4
U« UNLOADING POINT
7o OF FULL DISPLACEMENT
NO OF ACTIVE CYLINDERS
33I/3
50
66%
83'/3
100
2
3
4
5
6
5H80 COMPRESSOR
7-POUND SPRING, R-I2 a R-500
. L s LOADING POINT.
r
2 8 PSI
- - STEP NO 2 --------------------------1----------
2 4 PSI
CAR
REDUCTION
STEP NO. I
STEP NO 3
4 7 PSI
STEP
N0.4
U = UNLOADING POINT
7o OF FULL DISPLACEMENT
25
NO OF ACTIVE CYLINDERS
2
37 '/2
3
62 ‘/2
5
87 '/?.
7
lOO
8
Fig. 7 - Operating Sequence of Capacity Reduction Steps with 5F,H Type Compressors
(Using the Standard 7-Pound Range Adjustment Spring)
S U P E R S E D E S
SECTION
5F,H-1X
PAGE
1-42
DATE
11-63
SECTION 5F,H-1XA
PAGE
13
DATE
10-66