Description
The ZoneFirst MSS is a 24Vac silent damper actuator engineered for reliable, quiet operation in residential and light commercial HVAC zoning applications. Designed with a power closed/spring return open action that is field reversible, this actuator offers exceptional installation flexibility — allowing technicians to configure the fail-safe position on the job without the need for additional parts or special tools.
Key Features
- 24Vac operating voltage for compatibility with standard HVAC control systems
- Power closed / spring return open operation provides dependable fail-safe performance
- Field reversible action — easily reconfigure fail-safe position at the time of installation
- Silent motor design minimizes noise in occupied spaces, ideal for residential and quiet-zone applications
- Spring return mechanism ensures damper returns to the open (fail-safe) position upon loss of power
- Engineered for use with ZoneFirst zone dampers in forced-air zoning systems
- Compact, durable construction for long service life
Application
The ZoneFirst MSS actuator is the ideal choice for HVAC zoning systems where quiet, dependable damper control is required. Its spring return open fail-safe design ensures continued airflow to conditioned spaces in the event of a power interruption, protecting both occupant comfort and system integrity. The field-reversible feature gives installers the flexibility to adapt the actuator to virtually any zoning layout without stocking multiple SKUs.
Specifications
- SKU: MSS
- Brand: ZoneFirst
- Operating Voltage: 24Vac
- Action: Power Closed / Spring Return Open
- Field Reversible: Yes
- Operation: Silent
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