Conair EP2 series User Manual page 4

Portable chillers. portable and remote condenser chillers 4 to 43 tons ep2

Original instructions manual (52 pages)

Table of Contents

Table 13 - SPI Parameters ...................................................................................................................................................................... 18

Modbus RTU (Optional) ............................................................................................................................................................................... 18

Table 14 - Standard Controller Modbus RTU Option Parameters......................................................................................... 18

Optional PLC Operation ................................................................................................................................................................................... 20

System Initialization....................................................................................................................................................................................... 20

Figure 8 - Start-Up Splash Screen ...................................................................................................................................................... 20

Home - System Overview ............................................................................................................................................................................ 20

Figure 9 - Chiller System Overview .................................................................................................................................................... 20

Table 15 - System Overview Functions ............................................................................................................................................ 21

Home - Full Screen ........................................................................................................................................................................................ 21

Figure 10 - Full Screen ............................................................................................................................................................................ 21

Menu 1 - Overview ........................................................................................................................................................................................ 21

Figure 11 - Menu 1 Screen .................................................................................................................................................................... 21

Menu 1 - Alarms Active ............................................................................................................................................................................... 22

Figure 12 - HMI Alarm Handler ........................................................................................................................................................... 22

Alarm Setup ...................................................................................................................................................................................................... 22

Figure 13 - Alarm Setup ......................................................................................................................................................................... 22

Menu 1 - Circuit Details Screen ................................................................................................................................................................ 22

Figure 14 - Circuit Details Screen ....................................................................................................................................................... 22

Circuit Details Screen - Interlocks ............................................................................................................................................................ 22

Figure 15 - Interlocks 1 Screen ............................................................................................................................................................ 22

Figure 16 - Interlocks 2 Screen ............................................................................................................................................................ 23

Menu 2 - Overview ........................................................................................................................................................................................ 23

Figure 17 - Menu 2 ................................................................................................................................................................................... 23

Menu 2 - Default ............................................................................................................................................................................................ 23

Figure 18 - Restore Factory Settings ................................................................................................................................................. 23

Figure 19 - Factory Settings Restored .............................................................................................................................................. 23

Menu 2 - Trending ........................................................................................................................................................................................ 24

Figure 20 - Trending Screen ................................................................................................................................................................. 24

Menu 2 - Logging .......................................................................................................................................................................................... 24

Figure 21 - Logging .................................................................................................................................................................................. 24

Table 16 - PLC Controller Modbus RTU Parameters ................................................................................................................... 25

Start-Up .................................................................................................................................................................................................................. 28

Step 1 - Connect Main Power ................................................................................................................................................................... 29

Step 2 - Fill Coolant Circuit ......................................................................................................................................................................... 29

System Fill Water Chemistry Requirements .................................................................................................................................... 29

Table 17 - Fill Water Chemistry Requirements .............................................................................................................................. 30

Table 18 - Recommended Glycol Solutions .................................................................................................................................... 30

Step 3 - Check Condenser .......................................................................................................................................................................... 30

Integral Air-Cooled Condenser Check .............................................................................................................................................. 30

Water-Cooled Condenser Check ......................................................................................................................................................... 30

Remote Air-Cooled Condenser Check .............................................................................................................................................. 30

Step 4 - Check Refrigerant Valves ........................................................................................................................................................... 30

Step 5 - Verify Freezestat Setting ............................................................................................................................................................ 30

Step 6 - Turn On Control Power .............................................................................................................................................................. 31

Step 7 - Establish Coolant Flow ................................................................................................................................................................ 31

Step 8 - Intial Unit Operation .................................................................................................................................................................... 31

Preventive Maintenance ................................................................................................................................................................................... 32

Once a Week .................................................................................................................................................................................................... 32

Table of Contents