Bard SOLID STATE DUAL UNIT LEAD/LAG CONTROLLER for use with H-Series Wall Mount Air Conditioners MV4000 - Manual (Page 2)

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
Controller Certifications ...........................................4
Specifications/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 Specifications
MV4000 Controller Connections ............................. 6
Located in the MV4000 panel Box
Unit #1 & Unit #2 Terminal Block ............................. 6
Specifications/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
for Alternating Lead/Lag/Lead/Lag Config .......10-11
Cooling Operating Sequences
for Non-Alt Lead/Lead/Lag/Lag Config ............11-12
Heating Sequence of Operation .......................12-13
Specifications 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