May 24, 2017 2 Revision 1.09
Table of Contents
Introduction......................................................................................................................... 4
Jumper settings................................................................................................................ 5
Systems with EasyStart....................................................................................................... 6
Contactors....................................................................................................................... 6
Capacitor Selection......................................................................................................... 6
Initial Starts..................................................................................................................... 6
Forcing EasyStart to relearn............................................................................................ 6
Additional EasyStart Jumper Usage ............................................................................... 7
Normal ........................................................................................................................ 7
Re-learn....................................................................................................................... 7
Default......................................................................................................................... 7
Disable ........................................................................................................................ 7
DC Fan Option Board......................................................................................................... 8
Fan connections .............................................................................................................. 8
CAN Bus Systems............................................................................................................... 9
Basics.............................................................................................................................. 9
Wiring the CAN bus ....................................................................................................... 9
Wiring Diagrams............................................................................................................... 10
Board and Firmware revisions.................................................................................. 10
Wiring Diagram Identification.................................................................................. 10
Using Contactors........................................................................................................... 11
Checking Contactors................................................................................................. 11
Installing Load Resistors........................................................................................... 11
Using Solid State Relays (SSR).................................................................................... 12
Using a Pump Relay with a Chiller............................................................................... 12
Rev I and Earlier........................................................................................................... 13
Air Handler (AH): Rev I and Earlier PCB................................................................ 13
Direct Expansion (DX) Wiring: Rev I and Earlier PCB........................................... 14
Fresh Air Makeup Unit Wiring (FAMU) Rev I and earlier PCB............................. 15
EasyStart Wiring: Rev I and Earlier ......................................................................... 16
Chiller Rev I and Earlier........................................................................................... 17
Rev K PCB.................................................................................................................... 18
Air Handler (AH) Wiring: Rev K PCB..................................................................... 18
