Table of Contents
Foreword ............................................................................................................................................................................. 1
Installation .......................................................................................................................................................................... 1
Receiving Inspection ................................................................................................................................................................ 1
Rigging, Handling, and Locating Equipment ............................................................................................................................. 1
Electrical Power ........................................................................................................................................................................ 1
Table 1 - Voltage Utilization Range ....................................................................................................................................... 2
Water Cooled Condenser Lines ................................................................................................................................................ 3
(Water Cooled Units Only) ....................................................................................................................................................... 3
Table 2 - Condenser Water Flow Requirements ................................................................................................................... 3
Air Cooled Chillers Condenser Air ............................................................................................................................................ 3
(Air Cooled Units Only) ............................................................................................................................................................. 3
Chilled Water Lines .................................................................................................................................................................. 3
Table 3 - EQ Series Chilled Water Flow Requirements ......................................................................................................... 3
Figure 1 - Recommended Overhead Piping .......................................................................................................................... 4
Interconnecting Refrigerant Piping .......................................................................................................................................... 4
Start-Up ............................................................................................................................................................................... 4
Table 4 - Recommended Glycol Solutions ............................................................................................................................ 5
Controller Operation ........................................................................................................................................................... 7
Table 5 - Microprocessor Control Fault Logic ....................................................................................................................... 7
Power ....................................................................................................................................................................................... 8
Start .......................................................................................................................................................................................... 8
Stop .......................................................................................................................................................................................... 8
Alarm Reset .............................................................................................................................................................................. 8
Alarm Silence ............................................................................................................................................................................ 8
Lower Set Point Temperature .................................................................................................................................................. 8
Raise Set Point Temperature .................................................................................................................................................... 8
No Flow .................................................................................................................................................................................... 8
High Refrigerant Pressure ........................................................................................................................................................ 9
Low Refrigerant Pressure ......................................................................................................................................................... 9
Freezestat ................................................................................................................................................................................. 9
Low Oil Pressure ....................................................................................................................................................................... 9
Over Set Point .......................................................................................................................................................................... 9
Under Set Point ........................................................................................................................................................................ 9
Pump On................................................................................................................................................................................... 9
Compressor On......................................................................................................................................................................... 9
Partial Load ............................................................................................................................................................................ 10
Water Make-Up ...................................................................................................................................................................... 10
Low Water Level ..................................................................................................................................................................... 10
High Water Temperature ....................................................................................................................................................... 10
Probe Fault ............................................................................................................................................................................. 10
Changing Temperature Display Scale ..................................................................................................................................... 10
Diagnostic Error Codes ........................................................................................................................................................... 12
Table 6 - Diagnostic Error Codes ......................................................................................................................................... 12
Control Options ................................................................................................................................................................. 13
Return Water Temperature Display ....................................................................................................................................... 13
Remote On/Off Contacts ........................................................................................................................................................ 13
Remote Alarm Contacts ......................................................................................................................................................... 13
Alarm Horn ............................................................................................................................................................................. 13
Remote Control Panel ............................................................................................................................................................ 13
SPI Communications ............................................................................................................................................................... 13
Table 7 - SPI Baud Rate Adjustment ................................................................................................................................... 14
Chiller Operation ............................................................................................................................................................... 14
Coolant Circuit ........................................................................................................................................................................ 14
Refrigerant Circuit .................................................................................................................................................................. 14
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