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General| Brand | Bard |
|---|---|
| Model | MC4000 SERIES |
| Category | Controller |
| Language | English |
Explains the controller's operation and lists FCC/CE compliance standards.
Details input power, outputs, stages, display, temperature ranges, and memory.
Covers controller mounting guidelines and temperature sensor logic and installation.
Lists input/output terminals and functions for the MC4000 controller.
Details specifications and features for optional MC4000-A and MC4000-B alarm boards.
Covers low voltage wiring, grounding, power-up sequence, and fire suppression circuit.
Explains staging delays, blower operation, and advance/accelerate timer features.
Describes button functions and how to enter program mode.
Lists programmable features, their ranges, choices, and default settings.
Explains how to use the humidity control feature.
Details cooling operation for alternating lead/lag units.
Describes cooling operation for non-alternating 2-stage compressor units.
Details cooling operation for 1-stage units with older EIFM economizers.
Details cooling operation for 1-stage units with newer ECONWMT economizers.
Details cooling operation for 2-stage units with older EIFM economizers.
Details cooling operation for 2-stage units with newer ECONWMT economizers.
Details cooling operation for 2-stage units with older EIFM economizers.
Describes heating sequences for air conditioners with electric heat.
Details heating sequences for heat pumps with electric heat.
Provides specifications and instructions for setting up the CB4000 communication board.
Details user roles, system status, and setpoint pages for remote access.
Explains network connection, logout, and remote access procedures.
Covers controller wiring, the locking feature, and generator run input.
Details the connection for backup DC power and its importance.
Wiring diagram for 1-stage AC units without economizers, showing controller connections.
Wiring diagram for 2-stage AC units without economizers, showing controller connections.
Wiring diagram for 1-stage AC units with alarm board and CB4000 communication board.
Wiring diagram for 2-stage AC units with alarm board and CB4000 communication board.
Wiring diagram for 1-stage AC units with older style EIFM economizers.
Wiring diagram for 2-stage AC units with older style EIFM economizers.
Wiring diagram for 1-stage AC units with newer ECONWMT economizers.
Wiring diagram for 2-stage AC units with newer ECONWMT economizers.
Wiring diagram for 1-stage AC units with older EIFM economizers and CB4000.
Wiring diagram for 2-stage AC units with older EIFM economizers and CB4000.
Wiring diagram for 1-stage AC units with newer ECONWMT economizers and CB4000.
Wiring diagram for 2-stage AC units with newer ECONWMT economizers and CB4000.
Wiring diagram for heat pumps without economizers.
Wiring diagram for heat pumps with alarm board and CB4000 communication board.
Details alarm relay wiring strategies and the LED display board.
Explains 2nd stage cooling alarm and refrigerant pressure alarm functions.
Describes two emergency ventilation sequences using economizers.
Wiring diagram for alarm board connections using NC open-on-alarm strategy.
Wiring diagram for alarm board connections using NO close-on-alarm strategy.
Instructions for swapping units, entering program mode, changing settings, and resetting defaults.
Lists part numbers for control box, boards, sensors, and other components.
