Liberty Series High Efficiency Condensing Boiler & Water Heater
Modular design, low emissions, advanced controls. Liberty Series™ boilers are the premier space heater and domestic hot water solution.
APPLICATIONS
Hotels, schools, healthcare facilities, commercial buildings, laundry
Features
- 94%+ thermal efficiency
- Honeywell SOLA control standard
- Modulating pre-mix combustion system
- Up to 5.3:1 turndown
- Low NOx, high efficiency knit metal fiber burner
- 316L Stainless Steel Heat Exchanger
- Smart Control ready
- Built-in lead-lag capability (8 Units Max.)
- Range of available sizes
- ASME Section IV H-Stamped rated to 160psig, 250ºF
- Available in natural or LP gas*
- Factory warranty: (2yr. Parts/5 yr. Burner/10yr. HX.)
- Full carton packaging
Control Specifications
- Flame safe guard controller with integrated operating, modulating & high limit safety controls
- Touchscreen Operator Interface Panel to monitor boiler status, lockouts, alerts, flame signal, and control temperatures as well as configure boiler settings.
- 4-20mA signal input for remote modulation
- Digital input for remote reset and time of day setback
- Modbus RS485 communication allows access to operating, safety and burner data
- Lockout and safety alerts history record contains up to 15 detailed snapshots of the system when lockout occurred
- PID Load control system for central heat loop
- Interrupted pilot with spark ignition & air cooled UV scanner for monitoring pilot & main flame
- Two single element temperature sensors for: inlet & outdoor temperature
- Dual element safety limit (UL 353) temperature sensor for outlet water temperature
- Outdoor reset control with programmable heating curve
- Algorithm prioritization for burner demand (central heating and frost protection) and firing rate limit
- Programmable safety and boiler protection features for: frost protection, slow start, delta-T limit, stack-T limit and boiler-T limit
- Pump control contacts for central heat & system pumps with purge time control and frost protection (pump included as additional option)
- Three levels of password protection for end user, installer/service engineer and manufacturer
- Additional interlock terminals for pre-ignition, recycle and lockout interlocks
