374

The Universal Reset Control 374 is designed to operate all of the mechanical equipment in a residential hydronic heating system. It can be used in applications ranging from a single zone of baseboard with an on/off boiler to multiple fan coils, low temperature staple up zones, low temperature in-slab radiant zones, domestic hot water, and 2 on/off boilers. It regulates up to three space heating water temperatures through Outdoor Temperature Reset. It is capable of controlling up to 2 on/off boilers, up to 2 mixing devices (either variable speed pumps or floating action mixing valves), and Domestic Hot Water or setpoint loads.

• Outdoor temperature reset, warm weather shut down
• Boiler load reset, automatic boiler differential
• 3 Outdoor temperature reset controlled water temperatures, control up to 2 on/off boilers
• Equal run time rotation, 2 X variable speed pump outputs or 2 X floating action mixing outputs
• Powered boiler system and mixing system pump outputs, exercising
• DHW pump or valve operation, DHW priority (optional)
• Quick setup for easy installation, user comfort adjustment to increase or decrease building space temperature
• Advanced settings to fine-tune building requirements, test sequence to ensure proper operation
• CSA C US certified (approved to applicable UL standards)