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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