Description
The iO HVAC Controls LL Lead/Lag Controller is a purpose-built sequencing solution designed to manage the operation of multiple pumps, compressors, or HVAC units within a system. By automatically alternating the lead and lag designation between units, this controller promotes even wear, extends equipment life, and reduces costly downtime — making it an essential component in any multi-unit hydronic, chilled water, or commercial HVAC application.
Key Benefits
- Automatic lead/lag sequencing balances runtime across multiple units or pumps
- Reduces wear on any single unit, extending overall system service life
- Helps prevent unexpected failures by distributing operational load evenly
- Simplifies multi-unit system management without complex programming
- Ideal for hydronic systems, chilled water plants, and commercial HVAC installations
Typical Applications
- Dual-pump hydronic heating and cooling systems
- Multiple chiller or boiler sequencing
- Commercial and light industrial HVAC plants requiring redundancy
- Any multi-unit system where balanced operation and standby redundancy are required
Why Choose iO HVAC Controls
iO HVAC Controls is a trusted name in the HVAC controls industry, known for delivering reliable, installer-friendly solutions. The LL Lead/Lag Controller reflects that commitment — offering straightforward integration into new or existing systems with minimal setup time. Whether you’re a mechanical contractor, building engineer, or HVAC technician, this controller delivers the dependability and simplicity your multi-unit system demands.
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