SUBJECT Page no.:
PREFACE ............................................................................................................................... V
GENERAL SAFETY INSTRUCTIONS ................................................................................................. VII
GENERAL INFORMATION AND SURVEY OF SETTINGS AND LIMITS .......................................... IX
SECTION A: INSTALLATION AND PREPARATIONS FOR USE ....................................................... A1.1
A1 INSTALLATION .......................................................................................................................... A1.1
A1.1 Moving instructions and storage ................................................................................. A1.1
A1.1.1 Hoisting and moving instructions ...................................................................... A1.1
A1.1.2 Storage ............................................................................................................... A1.2
A1.2 Required free space ....................................................................................................... A1.2
A1.3 Foundation requirements .............................................................................................. A1.2
A1.3.1 Concrete structure ............................................................................................. A1.3
A1.3.2 Anchoring ........................................................................................................... A1.4
A1.4 Concrete block mounting instructions .......................................................................... A1.4
A1.4.1 Mounting bare compressor on a concrete block ............................................. A1.4
A1.4.2 Mounting the base frame on a concrete block ................................................ A1.4
A1.5 Connecting to refrigerating system pipework ............................................................. A1.5
A1.6 Connecting the power supply ....................................................................................... A1.6
A1.7 Earthing connections ..................................................................................................... A1.6
A1.8 Separately delivered components.................................................................................. A1.6
A2 PREPARATIONS FOR USE ......................................................................................................... A2.1
A2.1 Leak test of compressor and system ............................................................................. A2.1
A2.2 Evacuation/drying the refrigerating system ................................................................. A2.1
A2.3 Initial oil charge .............................................................................................................. A2.1
A2.4 Initial refrigerant charge ................................................................................................ A2.2
A2.5 Adjustment of instruments and safety devices ............................................................ A2.2
A2.5.1 Monitron ............................................................................................................. A2.2
A2.5.2 Pressure safety switches ..................................................................................... A2.2
A2.5.3 Re-adjustment of oil pressure regulator ........................................................... A2.3
A2.6 Checking direction of rotation of motor shaft ............................................................. A2.4
A2.7 Installing the (drive) guards .......................................................................................... A2.4
A2.8 Initial oil warm-up .......................................................................................................... A2.4
A2.9 Initial start-up ................................................................................................................. A2.4
A2.9.1 Limitations part load operation and start-up.................................................... A2.4
A2.9.2 Pre-start check list .............................................................................................. A2.4
A2.10 Starting and stopping procedures ................................................................................ A2.4
A2.10.1 Starting for the very first time ......................................................................... A2.4
A2.10.2 Restart .............................................................................................................. A2.5
A2.10.3 Starting after a seasonal (1 till 6 months) standstill or maintenance operations A2.5
A2.10.4 Starting after a long standstill periode of time (more than 6 months) ........ A2.5
A2.10.5 Stopping the compressor ................................................................................. A2.5
SECTION B: INSPECTION, MAINTENANCE AND TROUBLE SHOOTING: .Table of contents ....... B.I
SECTION C: APPENDIX <Instructions & collection of data sheets>: .......Table of contents ...... C.I
SECTION D: STANDARD ILLUSTRATED SPARE PARTS LIST: ....................Table of contents ....... D.I
For oil selection table refer to "Engineering Data"
Refrigeration Division
Grasso
TABLE OF CONTENTS
v001.99.01.en Installation and Maintenance Manual RC(U)6 III
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