** IMPORTANT **

The equipment covered in this manual is to be installed by trained, experienced service and installation technicians. Please read entire manual before proceeding.

SHIPPING DAMAGE

Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent.

GENERAL

These instructions explain the operation, installation and troubleshooting of the MC4000 controller.

All internal wiring is complete. Only attach low voltage field wiring to designated terminal strips.

The MC4000 is for use with units with or without economizers, can be configured for use with heat pumps, and has a dehumidification control feature if an optional humidity controller is connected.

Each unit should be sized to handle the total load of the structure if 100% redundancy is required.

It is recommended that a five (5) minute compressor time delay relay be installed in each unit if not so equipped.

The MC4000 controller is suitable for both 50 and 60 HZ operation, and is fully configurable such that it can be used in virtually any installation. See Controller Programmable Features and Default Settings.

THEORY OF OPERATION

The controller is used to control two wall mount air conditioners from one control system. It provides total redundancy for the structure and equal wear on both units. It can be used with units with or without economizers and it is recommended that both units be equipped alike.

The MC4000 controller can be configured for alternative (lead/lag/lead/lag) sequence, which is default setting. It can be changed to non-alternating (lead/lead/lag/lag) sequence as required for special applications or user preference.

The MC4000 can be equipped with one of two alarm boards, and these can be factory-installed or installed at any time in the field if so desired.

Should the base controller alone be initially installed, it is easily upgradeable by simple snap-in, plug-in field installation of either one of the alarm boards, requiring only the connection of the building alarm circuitry to the alarm boards. Form C dry contact alarm relays are used, offering both NO and NC switching to meet the user’s specific alarm protocol, providing complete flexibility to meet any user's requirements. All alarm actuations are individually indicated on the controller front panel.

There is an Ethernet based remote communication option that can be either factory or field installed. See section on Communication Module.

CONTROLLER CERTIFICATIONS

The MC4000 main controller board, optional alarm boards, optional communication module, and remote sensors have undergone extensive testing for immunity and emissions. This system is FCC-compliant, in accordance with CE requirements, and meets the following standards:

MC4000 Series

Master Controller

This device complies with FCC Rule Part 15, Subpart B, Class A. Operation is subject to the following two conditions:

1.This device may not cause harmful interference

2.This device must accept any interference received, including that which may cause undesired operation.

This device complies with CE Standards EN55011/ EN50081 and EN55024 for ISM Equipment, Class A.

This ISM device also complies with Canadian ICES – 001.

Bard Manufacturing Company, Inc.

Bryan, OH 43506

Manual

2100-563C

Page

4 of 40

Page 4
Image 4
Bard MC4000 installation instructions Shipping Damage, General, Theory of Operation, Controller Certifications

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.