Contents
General Information ........................................... 1
Component Review ............................................ 2
Analog Inputs .................................................. 2
4APT ........................................................... 2
3APT ........................................................... 3
2ATT ........................................................... 3
Digital Inputs ................................................... 9
Emergency Stop Switch .............................. 9
Coolant Filter Condition .............................. 9
Inlet Filter Condition .................................... 9
Motor Overloads ....................................... 10
Remote Start and Stop ............................. 10
Remote Load Enabled .............................. 10
Remote Load/Unload ................................ 11
Motor PTC ................................................. 11
Digital Outputs .............................................. 12
1M / 2M Starter Contacts .......................... 12
1S Starter Contact .................................... 12
Load Valve ................................................ 13
Blowdown Valve ........................................ 13
Modulation Valve ...................................... 13
Condensate Drain Valve ........................... 14
General Alarm Contact ............................. 15
PORO Relay ............................................. 15
Serial Communication .................................. 15
Serial Port 1 .............................................. 15
Serial Port 2 .............................................. 16
Integral Sequencing .................................. 16
Options ......................................................... 18
Low Ambient ............................................. 18