Bard MC4000 SERIES Installation Instructions & Replacement Parts List

Name: Bard MC4000 SERIES
Brand: Bard
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40 pages

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Manual 2100-563

Page 18 of 40

FIGURE 2

CONTROLLER CONNECTIONS

2-STAGE (WA*S/WL*S SERIES) AIR CONDITIONERS – NO ECONOMIZERS

MC4000 General Information Figure1
Table of Contents2
Getting Other Information and Publications 3 Figures3
Shipping Damage4
General4
Theory of Operation4
Controller Certifications4
Specifications/Features for Basic Controller5
MC4000 Basic Controller5
Mounting the Controller Installation Instructions5
Temperature Sensors5
Two Optional Sensor Inputs5
Temperature Sensor Logic5
Using Multiple Sensors5
Figure5
MC4000 Controller Connections6
Figure6
Specifications/Features for Alarm Boards6
MC4000-A with Optional Base Alarm6
MC4000-B with Enhanced Version Alarm6
Figure7
Low Voltage Field Wiring7
Controller Grounding7
Circuitry in the MC40007
Earth Ground7
Controller Power-Up7
Time Delay on Power-Up7
Fire Suppression Circuit7
Disabling the MC40007
Staging Delay Periods7
Figure8
General Programming Overview8
Buttons & Function8
Figure9
Humidity Control Option9
Adding Optional Humidity Control9
Cooling Operating Sequences for Alternating Lead/Lag/Lead/Lag Config9
Cooling Operating Sequences9
Table11
Heating Sequence of Operation13
Specifications Opt. Remote Comm. Board14
CB4000 Communication Board14
Controller Wiring16
Security (Locking) Feature16
Locking and Unlocking the MC400016
Generator Run Feature16
Standby Generator Disable Operation16
Backup DC Power Connection16
Input Connections Available16
Controller Connections 1-Stage (WA/WL, W**A/ W**L Series) A/C W/No Economizers17
Hook-Up Diagram Selection17
Controller Connections 2-Stage (WA*S/WL*S Series) A/C - no Economizers18
Controller Connections 1-Stage (WA/WL, W**A/ W**L Series) A/C - no Econo with Alarm Board & CB4000 Comm. Board19
Controller Connections 2-Stage (WA*S/WL*S Series) A/C - no Econo with Alarm Board & CB4000 Comm. Board20
Controller Connections 1-Stage (WA/WL, W**A/ W**L Series) A/C-Older EIFM Econo21
Controller Connections 2-Stage (WA*S/WL*S Series) A/C-Older Style EIFM Econo22
Controller Connections 1-Stage (WA/WL, W**A/ W**L Series) A/C W/Older Style EIFM Econo & W/Alarm Board/Cb4000 Comm. Board23
Controller Connections 2-Stage (WA*S/WL*S Series) A/C W/Older Style EIFM Econo & W/Alarm Board/Cb4000 Comm. Board24
Controller Connections 1-Stage (WA/WL, W**A/ W**L Series) A/C W/Econwmt Econo25
Alarm Wiring31
2Nd Stage Cooling Alarm31
Refrigerant Pressure Alarms31
Emergency Ventilation Sequence31
Alarm LED Display Board31
NC" Open-On-Alarm Strategy31
Programming Instructions34
MC4000 Label35
Parts List37

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Bard MC4000 SERIES Specifications

General

Brand	Bard
Model	MC4000 SERIES
Category	Controller
Language	English

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