D
–EIMWC00803-21_01EN - 2/57
CONTENTS
1
INTRODUCTION .................................................................................................................................................. 10
1.1
Precautions against residual risks ........................................................................................................................ 11
1.2
Description ............................................................................................................................................................ 12
2
RECEIVING THE UNIT ........................................................................................................................................ 13
3
OPERATING LIMITS ............................................................................................................................................ 14
3.1
Storing Storage ..................................................................................................................................................... 14
3.2
Operation .............................................................................................................................................................. 14
4
MECHANICAL INSTALLATION .......................................................................................................................... 15
4.1
Safety .................................................................................................................................................................... 15
4.2
Positioning and assembly ..................................................................................................................................... 15
4.3
System water volume ........................................................................................................................................... 15
4.4
Condensation control with evaporative cooling tower .......................................................................................... 15
4.5
Condensation control with well water ................................................................................................................... 16
4.6
Water piping .......................................................................................................................................................... 17
4.6.1
Water Pumps ........................................................................................................................................................ 17
4.6.2
Vessel Drains at Start-up ...................................................................................................................................... 17
4.6.3
Evaporator and Condenser Water Piping ............................................................................................................. 17
4.6.4
Important Note on Welding ................................................................................................................................... 17
4.6.5
Flow Switch ........................................................................................................................................................... 17
4.6.6
Cooling Towers ..................................................................................................................................................... 18
4.7
Water treatment .................................................................................................................................................... 18
4.8
Field Insulation Guide ........................................................................................................................................... 19
4.9
PHYSICAL DATA AND WEIGHTS ....................................................................................................................... 21
4.9.1
Evaporator ............................................................................................................................................................ 21
4.9.2
Condenser ............................................................................................................................................................ 21
4.9.3
Pumpdown ............................................................................................................................................................ 21
4.9.4
Compressor .......................................................................................................................................................... 22
4.10
Oil Coolers ....................................................................................................................................................... 22
4.11
Oil Heater ......................................................................................................................................................... 24
4.12
Relief Valves .................................................................................................................................................... 24
4.12.1
Refrigerant Vent Piping .................................................................................................................................... 24
5
ELECTRICAL INSTALLATION............................................................................................................................ 25
5.1
General specifications .......................................................................................................................................... 25
5.2
Electrical supply .................................................................................................................................................... 25
5.3
Power wiring ......................................................................................................................................................... 25
5.4
Control power wiring ............................................................................................................................................. 26
5.5
Flow Switches ....................................................................................................................................................... 26
5.6
Control Panel Switches ......................................................................................................................................... 26
5.7
Cable requirements .............................................................................................................................................. 26
5.8
Phase unbalance .................................................................................................................................................. 27
6
PRESTART SYSTEM CHECKLIST ..................................................................................................................... 28
7
OPERATION......................................................................................................................................................... 29
7.1
Operator’s responsibilities .................................................................................................................................... 29
7.2
Standby Power...................................................................................................................................................... 29
7.3
Lubrication System ............................................................................................................................................... 29
7.4
Hot Gas Bypass .................................................................................................................................................... 30
7.5
Condenser Water Temperature ............................................................................................................................ 30
8
MAINTENANCE ................................................................................................................................................... 31
8.1
Pressure/Temperature Chart ................................................................................................................................ 31
8.2
Routine Maintenance ............................................................................................................................................ 32
8.2.1
Lubrication ............................................................................................................................................................ 32
8.2.2
Changing Oil Filters .............................................................................................................................................. 34
8.2.3
Refrigerant Cycle .................................................................................................................................................. 34
8.2.4
Electrical System .................................................................................................................................................. 34
8.2.5
Compressor Maintenance..................................................................................................................................... 35
8.2.6
Flanged joints disassembly................................................................................................................................... 35
8.2.7
Cleaning and Preserving ...................................................................................................................................... 36
8.3
Annual Shutdown .................................................................................................................................................. 36
8.4
Annual Startup ...................................................................................................................................................... 36
8.5
Repair of System .................................................................................................................................................. 36
8.5.1
Pressure Relief Valve Replacement ..................................................................................................................... 36
8.5.2
Pumping Down...................................................................................................................................................... 36
8.5.3
Pressure Testing ................................................................................................................................................... 37
8.5.4
Leak Testing ......................................................................................................................................................... 37
8.5.5
Evacuation ............................................................................................................................................................ 37
8.5.6
Charging the System ............................................................................................................................................ 37
