CONTENTS

Getting Other Information and Publications

3

MC4000 General Information

 

Shipping Damage

4

General

4

Theory of Operation

4

Controller Certifications

4

Specifications/Features for Basic Controller

 

MC4000 Basic 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

 

MC4000 Controller Connections

6

Specifications/Features for Alarm Boards

 

MC4000-A with Optional Base Alarm

6

MC4000-B with Enhanced Version Alarm

6

Low Voltage Field Wiring

 

Circuitry in the MC4000

7

Controller Grounding

 

Earth ground

7

Controller Power-Up

 

Time Delay on Power-Up

7

Fire Suppression Circuit

 

Disabling the MC4000

7

Staging Delay Periods

 

Stages 1 - 4

7

Blower Operation

 

Various Blower Options

7

Advance (Swap) Lead/Lag Unit Feature

 

Manual Switching of Units

7

Accelerate Timer Feature

 

Testing the Timer Function

7

General Programming Overview

 

Buttons & Function

8

Humidity Control Option

 

Adding Optional Humidity Control

9

Cooling Operating Sequences

 

for Alternating Lead/Lag/Lead/Lag Config

9-11

Cooling Operating Sequences

 

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

11-13

Heating Sequence of Operation

13

Specifications Opt. Remote Comm. Board ....

14-15

CB4000 Communications Board

15

Controller Wiring

 

Refer to Connection Diagram

16

Security (Locking) Feature

 

Locking and Unlocking the MC4000

16

Generator Run Feature

 

Standby Generator Disable Operation

16

Backup DC Power Connection

 

Input Connections Available

16

Alarm Wiring

31

2nd Stage Cooling Alarm

31

Refrigerant Pressure Alarms

31

Emergency Ventilation Sequence

31

Programming Instructions

34

Figures

 

 

Figure 1

Controller Connections 1-Stage (WA/WL, W**A/

 

W**L Series) A/C w/No Economizers

17

Figure 2 Controller Connections 2-Stage (WA*S/WL*S

 

Series) A/C - No Economizers

18

Figure 3

Controller Connections 1-Stage (WA/WL, W**A/

 

W**L Series) A/C - No Econo with Alarm Board &

 

CB4000 Comm. Board

19

Figure 4 Controller Connections 2-Stage (WA*S/WL*S

 

Series) A/C - No Econo with Alarm Board &

 

CB4000 Comm. Board

20

Figure 5

Controller Connections 1-Stage (WA/WL, W**A/

 

W**L Series) A/C-Older EIFM Econo

21

Figure 6 Controller Connections 2-Stage (WA*S/WL*S

 

Series) A/C-Older Style EIFM Econo

22

Figure 7

Controller Connections 1-Stage (WA/WL, W**A/

 

W**L Series) A/C w/Older Style EIFM Econo &

 

w/Alarm Board/CB4000 Comm. Board ... 23

Figure 8 Controller Connections 2-Stage (WA*S/WL*S

 

Series) A/C w/Older Style EIFM Econo & w/Alarm

 

Board/CB4000 Comm. Board

24

Figure 9

Controller Connections 1-Stage (WA/WL, W**A/

 

W**L Series) A/C w/ECONWMT Econo .. 25

Figure 10 Controller Connections 2-Stage (WA*S/WL*S

 

Series) A/C w/ECONWMT Econo

26

Figure 11

Controller Connections 1-Stage (WA/WL, W**A/

 

W**L Series) A/C w/ECONWMT Econo & w/Alarm

 

Board/CB4000 Comm. Board

27

Figure 12 Controller Connections 2-Stage (WA*S/WL*S

 

Series) A/C w/ECONWMT Econo & w/Alarm

 

Board/CB4000 Comm. Board

28

Figure 13

Controller Connections Heat Pumps -

 

 

No Economizers

29

Figure 14

Controller Connections Heat Pumps -

 

 

No Economizers w/Opt. Alarm Board &

 

 

CB4000 Communication Board

30

— — —

Alarm LED Display Board

31

Figure 15

Alarm Board Connections for Normally Closed

 

"NC" Open-On-Alarm Strategy

32

Figure 16 Alarm Board Connections for Normally Open

 

"NO" Close-On-Alarm Strategy

33

— — —

MC4000 Label

35

Figure 17

Parts List Description Diagram

36

Tables

 

 

Table 1

Hook-Up Diagram Selection

17

Table

Parts List

37

Manual

2100-563C

Page

2 of 40

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Bard MC4000 installation instructions Contents

MC4000 specifications

The Bard MC4000 is a state-of-the-art multi-channel wireless communication system, designed primarily for the needs of professionals in various industries. Known for its robust performance and exceptional reliability, the MC4000 is an ideal solution for events, concerts, large venues, and critical communications in diverse environments.

One of the main features of the MC4000 is its multi-channel capability, allowing it to support a range of frequencies simultaneously. This feature prevents interference from other devices and ensures clear, uninterrupted communication. The system supports multiple transmitters and receivers, enabling large teams to communicate effectively without the need for cumbersome cables.

The Bard MC4000 utilizes advanced digital signal processing technology, offering enhanced audio quality. This technology minimizes background noise and provides crisp, clear audio transmission even in challenging environments. The system also features automatic frequency selection, which scans for the best available frequencies, ensuring optimum performance at all times.

The MC4000 is designed with user-friendliness in mind, featuring an intuitive interface that allows for quick setup and operation. The clearly labeled controls and bright display make it easy for users to monitor audio levels and battery life, ensuring seamless operation during critical moments. Furthermore, the system is compatible with a variety of microphones and headsets, providing users with the flexibility to choose the equipment that best suits their needs.

Durability is another key characteristic of the Bard MC4000. Its rugged construction can withstand demanding usage in various environments, from outdoor events to industrial applications. The system also includes weather-resistant features, making it suitable for operations in adverse weather conditions without compromising functionality.

In terms of connectivity, the MC4000 supports both wired and wireless options. This versatility enables users to switch between modes depending on their needs or specific venue requirements. The built-in rechargeable battery ensures extended usage, eliminating the hassle of frequent battery replacements.

Overall, the Bard MC4000 is a versatile, high-performance wireless communication system that meets the demanding needs of modern professionals. Its combination of multi-channel support, advanced audio technology, and user-friendly design makes it an essential tool for anyone needing reliable communication in their operations. With the MC4000, users can expect clarity, durability, and performance that can keep pace with their dynamic work environments.