Bard MV4000 User Manuals

Table of Contents

• Econ. Failure & 2-Compressor Run Alarm

  24
• Alarm Wiring

  24
• Shipping Damage

  4
• 2nd Stage Cooling Alarm

  25
• General

  4
• Theory of Operation

  4
• Emergency Ventilation Sequence

  25
• Controller Certifications

  4
• Programming Instructions

  28
• MV4000 Controller

  5
• Installation Instructions

  5
• Two Optional Sensor Inputs

  5
• Series) A/C w/No Economizers

  16
• Using Multiple Sensors

  5
• Series) A/C - No Economizers

  17
• MV4000 Controller Connections

  6
• Unit #1 & Unit #2 Terminal Block

  6
• Comm. Board

  18
• MV4000-B with Enhanced Version Alarm

  7
• Comm. Board

  19
• Circuitry in the MV4000

  7
• Series) A/C w/ECONWMT Econ

  20
• Earth ground

  7
• Time Delay on Power-Up

  7
• Series A/C w/ECONWMT Econ

  21
• Disabling the MV4000

  8
• CB4000 Comm. Board

  22
• Stages 1 - 4

  8
• Various Blower Options

  8
• CB4000 Comm. Board

  23
• Manual Switching of Units

  8
• — — — Alarm LED Display Board

  24
• Testing the Timer Function

  8
• Closed "NC" Open-On-Alarm Strategy

  26
• Buttons & Function

  9
• "NO" Close-On-Alarm Strategy

  27
• Adding Optional Humidity Control

  10
• — — — MV4000 Label

  29
• Figure 11 Parts List Description Diagram

  30
• for Alternating Lead/Lag/Lead/Lag Config

  10
• for Non-Alt Lead/Lead/Lag/Lag Config

  11
• Heating Sequence of Operation

  12
• Table 1 Hook-Up Diagram Selection

  16
• CB4000 Communications Board

  13
• Table Parts List

  31
• Refer to Connection Diagram

  15
• Locking and Unlocking the MV4000

  15
• Standby Generator Disable Operation

  15
• Input Connections Available

  15