User Manual
Manual 2100-571A 
Page  2 of 31
CONTENTS
Econ. Failure & 2-Compressor Run Alarm ........... 24
Alarm Wiring ...........................................................24
2nd Stage Cooling Alarm ....................................... 25
Refrigerant Pressure Alarms ................................. 25
Emergency Ventilation Sequence ......................... 25
Programming Instructions .....................................28
Figures
Figure 1  Controller Connections 1-Stage (H**A/L 
Series) A/C w/No Economizers ................................16
Figure 2  Controller Connections 2-Stage (HA*S/HL*S  
Series) A/C - No Economizers ..................................17
Figure 3  Controller Connections 1-Stage (H**A/L 
Series) A/C - No Econ. w/Alarm Board & CB4000 
Comm. Board ...........................................................18
Figure 4  Controller Connections 2-Stage (HA*S/HL*S 
Series) A/C - No Econ. w/Alarm Board & CB4000 
Comm. Board ...........................................................19
Figure 5  Controller Connections 1-Stage (H**A/L 
Series) A/C w/ECONWMT Econ. ..............................20
Figure 6  Controller Connections 2-Stage (HA*S/HL*S 
Series A/C w/ECONWMT Econ. ............................... 21
Figure 7  Controller Connections 1-Stage (H**A/L 
Series) A/C w/ ECONWMT Econ. & w/Alarm Board & 
CB4000 Comm. Board  ............................................22
Figure 8  Controller Connections 2-Stage (HA*S/HL*S 
Series A/C w/ECONWMT Econ. & w/Alarm Board & 
CB4000 Comm. Board  ............................................23
— — —  Alarm LED Display Board ........................24
Figure 9  Alarm Board Connections for Normally 
Closed "NC" Open-On-Alarm Strategy .....................26
Figure 10  Alarm Board Connections for Normally Open 
"NO" Close-On-Alarm Strategy ................................27
— — —  MV4000 Label .........................................29
Figure 11  Parts List Description Diagram ................ 30
Tables
Table 1  Hook-Up Diagram Selection .................... 16
Table  Parts List .................................................31
Getting Other Information and Publications 3
MV4000 General Information
  Shipping Damage....................................................4
 General ...................................................................4
  Theory of Operation ................................................4
 ControllerCertications ...........................................4
Specications/Features for MV4000 Series Controller
  MV4000 Controller ..................................................5
Mounting the Controller
  Installation Instructions............................................5
Temperature Sensors
  Two Optional Sensor Inputs .................................... 5
Temperature Sensor Logic
  Using Multiple Sensors ...........................................5
Controller Input/Output Specications
  MV4000 Controller Connections .............................6
Located in the MV4000 Panel Box
  Unit #1 & Unit #2 Terminal Block .............................6
Specications/Features for Alarm Boards
  MV4000-B with Enhanced Version Alarm ...............7
Low Voltage Field Wiring 
  Circuitry in the MV4000 ...........................................7
Controller Grounding
  Earth ground ...........................................................7
Controller Power-Up 
  Time Delay on Power-Up ........................................7
Fire Suppression Circuit 
  Disabling the MV4000 ............................................. 8
Staging Delay Periods
  Stages 1 - 4 .............................................................8
Blower Operation
  Various Blower Options ...........................................8
Advance (Swap) Lead/Lag Unit Feature
  Manual Switching of Units .......................................8
Accelerate Timer Feature
  Testing the Timer Function ......................................8
General Programming Overview
  Buttons & Function ..................................................9
Humidity Control Option
  Adding Optional Humidity Control ......................... 10
Cooling Operating Sequences
 forAlternatingLead/Lag/Lead/LagCong .......10-11
Cooling Operating Sequences
 forNon-AltLead/Lead/Lag/LagCong ............11-12
Heating Sequence of Operation .......................12-13
Specications Opt. Remote Comm. Board
  CB4000 Communications Board ...................... 13-14
Controller Wiring
  Refer to Connection Diagram................................15
Security (Locking) Feature
  Locking and Unlocking the MV4000......................15
Generator Run / Economizer Shutdown Feature
  Standby Generator Disable Operation .................. 15
Backup DC Power Connection
  Input Connections Available ..................................15










