AEC NEC Central Station Air and Water Cooled Chiller - Manual (Page 6)

NEC Series Water- and Air-Cooled Central Chillers Page 5
Table of Contents
4
Sequence of Operation ..................................Cont’d.
4-6 Low Pressure Cutout
4-7 Oil Pressure Safety Switch
4-8 Flow Switch
4-9 Remote Start/Stop Interlock
4-10 Control Nipple
4-11 Control Probe
4-12 Hot Gas Bypass (Optional)
4-13 Chilled Water Manifold (Optional)
4-14 Condenser Water Manifold (Optional)
5
Startup Checklists .................................................. 35
5-1 Introduction
5-2
Water-Cooled NECW Startup Checklist
5-3 Water-Cooled NECW Chiller Startup
5-4 Air-Cooled NECR Startup Checklist
5-5 Air-Cooled NECR Chiller Startup
6
Graphic Panel.......................................................... 39
6-1 Indicator Lights
6-2 Switches
7
Routine Maintenance ............................................. 45
7-1 Lubrication
7-2 Condenser
Maintenance
7-3 Evaporator Maintenance
7-4 Preventive Maintenance Service
8
Troubleshooting Checklist .................................... 55