Diagramsgrams Capacity Control - GEA Grasso VHS Series Installation And Maintenance Instructions Manual

Reciprocating compressors for industrial refrigeration
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APPENDIX; Product Information (PI)

DIAGRAMSGRAMS CAPACITY CONTROL

4.5
DIAGRAMSGRAMS CAPACITY CONTROL
Solenoid valve/cylinder numbering for electric capacity control
V 1100HS
V 1400HS
V 1800HS
Capacity control steps
16
54
UNL
NO
V 700HS
1
(3+4)
(5+6)
(5+7+8)
Compressor
type
V 700HS
V 1100HS
V 1400HS
V 1800HS
Refer to the swept volume expressed as a percentage of the full-load swept volume
Solenoid
No. 1
No. 2
NC
Cylinder number / solenoid valves
2
2
(5+6)
7
(9+10)
(1+2)
16
Capacity %
25
50
75
100
33
50
67
(3+4) + (5+6)
83
(3+4) + (5+6) + 1
100
(3+4) +2 + (5+6) + 1
25
37
50
(5+6) + 8 + 7
62
(5+6) + 8 + (1+3)
75
(5+6) + (2+4) + (1+3)
87
(5+6) + 7 + (2+4) + (1+3)
(5+6) + 7 + 8 + (2+4) +
100
30
40
50
(5+7+8) + (9+10)
60
(5+7+8) + (9+10) + 6
70
(5+7+8) +(9+10) + (1+2)
(5+7+8) + 6 + (3+4) +
80
No. 3
NC
NC
3
4
1
8
(2+4)
(3+4)
Cylinders
1
1 + 2
1 + 2 + 3
1 + 2 + 3 + 4
(3+4)
(3+4) + 2
(5+6)
(5+6) + 8
1 + 2 + 3 + 4
(1+3)
(5+7+8)
(5+7+8) + 6
(1+2)
P-NL-094_imm_VHS_English_13
No. 4
NC
-
-
(1+3)
6
Solenoids
-
1
1 + 2
1 + 2 + 3
-
1
2
2 + 3
1 + 2 + 3
-
2
1 + 2
2 + 4
3 + 4
1 + 3 + 4
-
4
1
1 + 4
1 + 2
2 + 3 + 4
26.07.2021

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