User ManualTable of ContentsShipping Damage4W**L Series) A/C w/No Economizers17General4Theory of Operation4Series) A/C - No Economizers18Controller Certifications4MC4000 Basic Controller5CB4000 Comm. Board19Installation Instructions5Two Optional Sensor Inputs5CB4000 Comm. Board20Using Multiple Sensors5W**L Series) A/C-Older EIFM Econo21MC4000 Controller Connections6Series) A/C-Older Style EIFM Econo22MC4000-A with Optional Base Alarm6MC4000-B with Enhanced Version Alarm6Circuitry in the MC40007Earth ground7Board/CB4000 Comm. Board24Time Delay on Power-Up7Disabling the MC40007Series) A/C w/ECONWMT Econo26Stages 1 - 47Various Blower Options7Board/CB4000 Comm. Board27Manual Switching of Units7Testing the Timer Function7Board/CB4000 Comm. Board28Buttons & Function8No Economizers29Adding Optional Humidity Control9CB4000 Communication Board30for Alternating Lead/Lag/Lead/Lag Config9——— Alarm LED Display Board31for Non-Alt Lead/Lead/Lag/Lag Config11Heating Sequence of Operation13"NC" Open-On-Alarm Strategy32CB4000 Communications Board15"NO" Close-On-Alarm Strategy33Refer to Connection Diagram16MC4000 Label35Figure 17 Parts List Description Diagram36Locking and Unlocking the MC400016Standby Generator Disable Operation16Input Connections Available16Hook-Up Diagram Selection17Alarm Wiring31Parts List372nd Stage Cooling Alarm31Refrigerant Pressure Alarms31Emergency Ventilation Sequence31Programming Instructions34Size: 1.25 MBPages: 40Language: EnglishOpen manual