GEA Grasso M-Series Operating Manual page 6

7.7.12 Monitoring devices
7.7.13 Components installed by the client
7.8 General functional description
7.9 Refrigerant circuit
7.10 Oil System
7.10.1 Oil separation
7.10.2 Oil heater
7.10.3 Oil cooling
7.10.4 Oil filter
7.10.5 Oil pump
7.10.6 Oil injection
7.10.7 Oil circuit, OMC block
7.11 Capacity control
7.12 Technical specifications
7.12.1 Designed for use in explosive atmospheres!
7.12.2 Basic terms
7.12.3 Operating media
7.12.3.1
7.12.3.2
7.12.3.3
7.12.4 Operating limits
7.12.5 Water quality requirements, parameters
8 START-UP
8.1 Important information for start-up
8.2 Basics
8.3 Connecting the screw compressor package
8.3.1 Connecting the pipes
8.3.2 Electrical connection
8.4 Paint and insulation
8.5 Start-up procedure
8.5.1 Checking the electrical connection
8.5.2 Leak test
8.5.3 Drying, vacuum
8.5.4 Operating position of valves
8.5.5 Oil charge
8.5.5.1
8.5.5.2
8.5.6 Checking the fault monitoring
8.5.7 Checking of the safety pressure limiter
8.5.8 Checking of the emergency-OFF button.
8.5.9 Adjustment of oil pressure
8.5.10 Checking the direction of rotation of the drive motor
8.5.11 Mounting the coupling
8.5.12 Checking the water circuits
8.5.13 Initial start-up
8.5.14 Checking the adjustment of the control slide
8.5.15 Checking the control slide adjustment times
8.5.16 Checking the oil cooler
8.5.17 Adjusting the amount of injection oil and the oil temperature
8.5.17.1
8.5.17.2
8.6 Start-up after long standstill periods
8.7 Restarting after approx. 1 year standstill
9 USE, OPERATION, CONTROL
9.1 Use in explosive atmospheres, installation zones 1 and 2
9.2 Important information for the operator
9.3 Prerequisite for switching on
9.3.1 Overview of the operating modes
9.3.2 Setting of setpoint and limiting values as well as safety devices
9.4 Operation of the screw compressor package
9.5 Instructions regarding failures, their causes and remedies
10 CLEANING, MAINTENANCE, REPAIR
10.1 Use in explosive atmospheres, installation zones 1 and 2
6
Refrigerant
Refrigeration machine oils
Secondary refrigerant
Pressure compensation with the cooling system
Checking the direction of rotation of the oil pump motor
Screw compressor packages without refrigerant injection
Compressor units with refrigerant injection
GEA Refrigeration Germany GmbH | P_261511_1 | Generated 01.04.2015
Operating Manual | GEA Grasso M-Series
Screw Compressor Packages
45
45
45
45
46
46
46
46
46
46
47
47
47
47
47
48
48
48
48
48
48
50
53
53
54
54
54
55
55
55
55
55
56
57
60
60
60
61
61
61
62
62
62
63
63
63
63
63
63
64
64
64
64
65
65
65
65
67
69
69
69
72
72