Diagrams Two Stage - GEA Grasso 5 Installation And Maintenance Instructions Manual

4.5

DIAGRAMS TWO STAGE

Solenoid valve/cylinder numbering for electric capacity control
Capacity control steps
Compressor
18
19
20
21
22
0089288_imm_v_english_19
07.04.2021
UNL
18
NO
300T &
[4 ]
hp
700T
450T &
[4 ]
hp
1100T
600T &
[6 ]
hp
1400T
[6 ]
1800T
hp
20
Capacity %
type
0
300T
33
&
700T
67
100
0
25
50
450T
50
&
1100T
75
75
100
0
600T
33
&
1400T
33
UNL, Unloaded start
Numbers between brackets [] are HP cylinders
Refer to the swept volume expressed as a percentage of the full-load swept volume of the LP cylinders
Each phi has its own field of application! Refer Page 57
For starting up procedure, refer Section 4.3, Page 53
Solenoid
No. 1 No. 2
NC NC
Cylinder number
1
1 2, 3
1, 2
7, [8
1, 2
Cylinders Solenoids
[4] -
1 + [4] 1
1 + 2 + [4] 1 + 2
1 + 2 + 3 + [4] 1 + 2 + 3
[4] -
1 + [4] 1
(2 + 3) + [4] 2
1 + [4] +(5 +
1 + 3
[6])
1 + (2 + 3) +
1 + 2
[4]
(2 + 3 )+ [4] +
2 + 3
(5 + [6])
1+ 2 + 3 + [4]
1 + 2 + 3
+ (5 + [6])
[6] -
(1 + 2) + [6] 1
3 + [6] + (4 +
2 + 3
[8])
APPENDIX; Product Information (PI)
DIAGRAMS TWO STAGE
No. 3
NC
19
/ solenoid valves
2 3
5, [6 ]
hp
4, [8 ]
3
hp
], 9
5
hp
Qty HP / Qty LP
21
cylinders
Starting only/ Fast
0.0
Starting only/Fast
1.0
2.0
3.0
Starting only/Fast
0.0
Starting only/Fast
1.0
2.0
Starting only/Fast
1.0
3.0
Starting only/Fast
1.5
2.0
Starting only/Fast
0.0
2.0
Starting only/Fast
1.0
No. 4
NC
-
-
5, 7
3, 4, [10 ]
hp
22
Remark )
pull down
pull down
-
-
pull down
pull down
-
pull down
-
pull down
-
pull down
-
pull down
57