Bard AB3000-A Base Alarm Board for MC4002 Lead/Lag Controller

The Bard AB3000-A is a field-installable base alarm board designed specifically for use with Bard MC4002 and MC3000 series lead/lag controllers. This critical component enhances HVAC system monitoring and protection by providing comprehensive alarm capabilities for dual-unit climate control systems.

Key Features:

• Field-installable design allows easy retrofit to existing MC4002 controllers
• Form C (SPDT) dry contact alarm relays provide both NO and NC switching options
• Multiple alarm inputs and outputs for comprehensive system monitoring
• Monitors lockout conditions, refrigerant alarms, power loss, and temperature alarms for both HVAC units
• Simple snap-in installation with plug-in communication cable connection
• Compatible with MC4002-A controllers and MC3000 series units

Alarm Capabilities Include:

• Lockout inputs from HVAC units 1 and 2
• Smoke/Fire alarm output (Form C relay)
• Refrigerant alarm outputs for both HVAC units
• Power loss monitoring for both systems
• Low temperature alarm
• High temperature alarm

This base alarm board is essential for facilities requiring robust monitoring and early fault detection in their HVAC systems. The AB3000-A provides reliable protection for telecom shelters, commercial buildings, and other critical climate-controlled environments where equipment uptime is vital.