GEA Grasso System Control Operating Instructions Manual
  1. Manuals
  2. Brands
  3. GEA Manuals
  4. Controller
  5. Grasso System Control
  6. Operating instructions manual

GEA Grasso System Control Operating Instructions Manual

System control for two stage chiller/ packages with screw compressors
Hide thumbs Also See for Grasso System Control:
Table of Contents

Advertisement

Quick Links

Grasso System Control
for two stage Chiller/ Packages with Screw
Compressors
Operating Instructions
_805011_om_gsc_sp2_gbr_1_.doc
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Grasso System Control and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for GEA Grasso System Control

Summary of Contents for GEA Grasso System Control

  • Page 1 Grasso System Control for two stage Chiller/ Packages with Screw Compressors Operating Instructions _805011_om_gsc_sp2_gbr_1_.doc...
  • Page 2 OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS COPYRIGHT All Rights reserved. No part of this publication may be copied or published by means of printing, photocopying, microfilm or otherwise without prior written consent of Grasso. This restriction also applies to the corresponding drawings and diagrams.
  • Page 3 OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS SYMBOLS USED IN THIS MANUAL Danger! This is an important warning. Non-observance these warnings can cause accidents with relevant damages on persons or serious damages on the compressor or refrigerating plant.

  • Page 5: Table Of Contents

    GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS TABLE OF CONTENTS Start-up / Operation of GSC ........................8 General Information ......................... 8 Description of the Grasso System Control................8 1.2.1 View..........................8 1.2.2 Lamps/ Push buttons ....................10 1.2.3 Operator terminal.......................
  • Page 7 OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS TABLE OF FIGURES fig. 1: View of outside of switchgear cabinet....................8 fig. 2: View of inside of switchgear cabinet ....................9 fig. 3: GSC operator terminal ........................11 fig.

  • Page 8: Start-Up / Operation Of Gsc

    For more specific information see GSC User Manual or press the key to obtain more information about the selected parameter. The GSC is supplied with text in native language. Description of the Grasso System Control 1.2.1 View [Chapter 1.1.1. in user manual] fig. 1:...

  • Page 9: Fig. 2: View Of Inside Of Switchgear Cabinet

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS fig. 2: View of inside of switchgear cabinet Profibus DP/DP-coppler Bus Terminal Type of Power Supply Emergency stop relay Relays Socket-outlet for service _805011_om_gsc_sp2_gbr_1_.doc...

  • Page 10: Lamps/ Push Buttons

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS 1.2.2 Lamps/ Push buttons [Chapter 1.1.2. in user manual] White indicator light (Running HP compressor) This indicator lamp flashes slowly when the compressor unit is in the “Ready“ state.

  • Page 11: Operator Terminal

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS 1.2.3 Operator terminal [Chapter 1.2. in user manual] The operator terminal is the interface between the operator and the control unit. All switching, operating and control actions are carried out via this operator terminal.

  • Page 12: Key Assignment

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS 1.2.3.1 Key assignment [Chapter 1.2.1. in user manual] Function Go to the menu item described Back to previous display Move to next display Switch on the compressor unit, start enabled Start HP-compressor (Press key for 5 sec.
  • Page 13 OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS Function Call up the menu overview Return or cancel input Acknowledge, reset failure and warning Confirm input Press the button once for display of a help text...

  • Page 14: Call Up Table Of Contents

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS Special function of the shift key Change to the Status display Change to the "Language selection + Contrast" menu Change to the "Digital inputs / outputs" display Change to the "Transfer"...

  • Page 15: Status Displays

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS Number Title Help text Configuration Enter: — Refrigerants — SC-Type — Code — - with/ without economiser — - scaling of the sensors Main system menu To get to these menus, position the cursor on the menu name (using the key) and confirm with the key.
  • Page 16 OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS The operating status provides information about the compressor unit. The following status messages are possible: Initialisation Initialisation of the control after switching on the power supply or after saving the settings (RAM →...
  • Page 17 OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS A switch on frequency limitation of the LP compressor drive motor is still active Start to start LP A capacity limitation is active (LP motor current too high), "reduce output" solenoid Imot Limitation LP valve is opened.

  • Page 18: System Description Gsc

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS System description GSC [Chapter 4. in user manual] The system LEDs are located on the front of the GSC. These system LEDs provide information about the status of the controller.

  • Page 19: Alarms

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS Display Meaning Explanation Alarm active lights up, if a malfunction has been confirmed, but is still active. (red) flashes, if a further malfunction has been activated. Help (green) Help text available lights up, if a help text is available.

  • Page 20: Restart Following Alarms

    OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS 1.4.3 Restart following Alarms [Chapter 7.2. in user manual] fig. 5: Restart following Alarms Caution! It is not possible to restart the compressor as long as the cause of the alarm still exists!
  • Page 21 OPERATING INSTRUCTIONS GRASSO SYSTEM CONTROL FOR TWO STAGE CHILLER/ PACKAGES WITH SCREW COMPRESSORS Display of the cause(s) of the alarms after deleting the display on view (press the key) or in the case that several alarms have occurred simultaneously: Step Procedure Call up the "Alarms"...

This manual is also suitable for:

Gsc

Table of Contents

Save PDF