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GEA Grasso Industrial Compressors Manuals
Manuals and User Guides for GEA Grasso Industrial Compressors. We have
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GEA Grasso Industrial Compressors manuals available for free PDF download: Manual, Operating Instructions Manual
GEA Grasso Operating Instructions Manual (54 pages)
CO2/NH3 Cascade unit 250 - 1000 kW
Brand:
GEA
| Category:
Refrigerator
| Size: 0 MB
Table of Contents
Table of Contents
5
Delivery
10
Transport and Storage
10
Transport Instructions
10
Installation
10
Assembly
11
Start-Up Instructions
11
Basics
11
First Commissioning
11
Leak Test
11
Drying, Vacuum
12
Oil Charge
12
Fig. 1: Vacuum Required to Remove Moisture from Refrigerating Plants
12
Checking the Direction of Rotation of the Driving Motor
15
Checking the Direction of Rotation of the Oil Pump Motor
15
Adjustment of Oil Pressure
15
Fig. 2: Motor Direction of Rotation
15
Mounting the Coupling
16
Refrigerant Charging
16
Operating Position of Valves
17
Fig. 3: Stop Valve Opened
17
Fig. 4: Stop Valve Closed
17
Fig. 5: Check Valve
17
Fig. 6: Combined Stop/ Check Valve
17
Fig. 7: Control Valve
17
Fig. 8: Combined Stop/ Check Valve with Integrated Control Function
17
Fig. 9: Solenoid Valve
18
Fig. 10: Change-Over Valve
18
Fig. 11: Oil Pressure Regulating Valve
18
Fig. 12: Overflow Valve, Safety Valve
18
Fig. 13: Pressure Controlled Check Valve
18
Fig. 14: Quick Acting Valve, Spring-Held
18
Fig. 15: Charging Valve, Draining Valve
18
Fig. 16: Service Valve
18
Checking the Water Circuits
19
Initial Startup
19
Fig. 17: Oil Temperature Limiter
19
Fig. 18: Temperatur Controlled Valve
19
Fig. 19: Thermostatic Expansion Valve
19
Setting the Setpoint / Limit Values and Safety Devices
20
Switching on the CO Refrigerant Pumps
20
Switching on the Compressor
20
Checking the Adjustment of the Control Slide
20
Checking the Control Slide Adjustment Times
20
Fig. 20: Solenoid Valve Plate with Throttle Screws
20
Automatic Mode
21
Shutdown in the Event of Dangerous Situations
21
Switching off
22
Normal Shutdown
22
Shutting down for a Lengthy Period
22
Measures During Stoppages
22
Monthly
22
Four Weeks before Putting Back into Service
22
Putting Back into Service after Approx 1 Year
22
2 Start-Up / Operation of GSC
23
General Information
23
Description of the Grasso System Control
23
View
23
Fig. 21: Exterior View GSC
23
Lamps/ Push Buttons
24
Operator Terminal
24
Fig. 22: GSC Operator Terminal
24
Key Assignment
25
Open Table of Contents
27
Status Messages
28
Fig. 23: "Status Messages" Display
28
System Description GSC
30
Explanation of the System LED
30
Alarms
31
View Active Alarms and Warnings
31
No Alarm Signal and the Compressor will Not Start
31
Restart Following Alarms
32
Fig. 24: Restart Following Alarms
32
3 Description of Design and Function
34
Brief Description
34
Use
34
Design
34
Fig. 25: Diagram of the Main Components of the CO
34
Refrigerant Circuit
35
CO Low Temperature Stage
35
Fig. 26: Diagram of the Main Components of the CO
35
NH High Temperature Stage
36
Oil Return System
36
CO Circuit Oil Return System
36
NH 3 Circuit Oil Return System
36
Auxiliary Refrigeration Unit for CO Separator
36
Safety Devices
37
CO Circuit
37
NH Circuit
38
Monitoring Devices
39
CO Circuit
39
NH Circuit
39
4 Maintenance Instruction
40
General Information
40
Servicing/Maintenance and Safety
41
Searching for Leaks on Refrigerant Side / Leak Test
41
Vacuating, Charging and Draining Refrigerant and Oil
42
Evacuating the Refrigerant (See also Initial Start-Up)
42
Charging with Refrigerant (See also Initial Startup; Initial Charge with Refrigerant)
42
Charging Characteristics
43
Draining the Refrigerant
43
General Notes on Draining Refrigerant
43
Charging Refrigerant
43
Connections for Draining Refrigerant
44
Venting the Refrigerant Circuits
44
Charging and Draining Oil (See also Putting into Service)
44
General Notes on Handling Refrigerator Oil
44
Check Oil Level
44
Oil Filling
44
Draining, Changing, Checking Oil
44
Used Oil
45
Maintenance Work
45
General Notes
45
Opening the Compressor (See also Compressor Maintenance Instructions)
45
Dismantling the Compressor Suction Filter (See the Compressor Maintenance Instructions)
46
Replacing the Suction Filter
46
Changing the Suction Filter before Refrigerant Pump - CO Circuit
46
Oil Change
46
Meaning
46
Maintenance Work
47
Changing the Oil
47
Replace Oil Filter
47
Changing the Filter Driers - CO Circuit
48
Clutch Maintenance
48
Oil Pump Maintenance (for External Oil Pump)
48
Checking the Pull-In Torques at Fastener of Fixing Base
48
Changing the Oil Fine Separation Cartridges
48
Finding and Fixing Leaks
49
Cleaning the Heat Exchangers (Heat-Carrier / Cooling Agent Sides)
49
Chemical Cleaning
49
Mechanical Cleaning
49
Fig. 27: Oil Fine Separation Cartridge
49
Steps to be Followed before Starting the System after Major Repairs
50
Repair Information
50
Pressure Test, Leak Test
50
Vacuum Test
50
Repair Work
50
Guide to Disturbances, Their Causes and Remedies
51
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GEA Grasso Manual (166 pages)
SYSTEM CONTROL Standard Package with Piston Compressors Single Stage and Two Stage
Brand:
GEA
| Category:
Air Compressor
| Size: 2 MB
Table of Contents
Table of Contents
11
Description of the Grasso System Control
13
Lamps/ Push Buttons
14
Key Assignment
15
Menu Structure
16
General Image Format
17
Call up Table of Contents
18
Control Settings Menu
20
Operating Mode Menu
21
Alarm Menu
25
Unit Options Menu
26
System Main Menu
29
Status Display
30
GEA Grasso Operating Instructions Manual (22 pages)
System Control for two stage Chiller/ Packages with Screw Compressors
Brand:
GEA
| Category:
Controller
| Size: 0 MB
Table of Contents
Table of Contents
5
Start-Up / Operation of GSC
8
General Information
8
Description of the Grasso System Control
8
View
8
Fig. 1: View of Outside of Switchgear Cabinet
8
Fig. 2: View of Inside of Switchgear Cabinet
9
Lamps/ Push Buttons
10
Operator Terminal
11
Fig. 3: GSC Operator Terminal
11
Key Assignment
12
Call up Table of Contents
14
Status Displays
15
Fig. 4: "Status Messages" Display
15
System Description GSC
18
Explanation of the System LED
18
Alarms
19
View Active Alarms and Warnings
19
No Alarm Signal and the Compressor will Not Start
19
Restart Following Alarms
20
Fig. 5: Restart Following Alarms
20
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