Condensing gas boiler Varmax

8 models from 120 to 450 kW

  • Concept OptiMax: optimized installation, maximized performance in 2, 3 or 4 taps
  • Easy to install: small footprint, removable covers for getting through doors
  • Rapid burner dismantling with Easy Extract for time savings during maintenance
  • Help Software with a choice of 2, 3, 4 taps

Standard supply

WR - VARMAX is supplied with

 

  • Stainless steel firebox with 2, 3 or 4 branch stubs
  • Modulating gas burner with total premix (G20/G25), modulation rate of 20 to 100%
  • Ergonomic interface
  • Navistem B3000 controls system
  • Anti-return valve on the exhaust circuit
  • Air filter (for connection to B23 or B23p flue)
  • Start and return boiler temperature sensors, exhaust sensor
  • Multiblock gas with air/gas ratio with regulator, filter, minimum gas pressure sensor
  • Active control of flame ionization
  • Levelling feet
  • Natural gas supply 20 mbar to 300 mbar
  • Runs on propane in B23/B23p up to 320 kW (order the 20 mbar version)
  • Solution for slinging

 

Controls

WR - VARMAX

Navistem B3000 controls system

 

Varblok benefits of the newest Navistem B3000 controls system.

Benefits

  • Easy to install and economical: many integrated functions (cascade, V3V management, etc.)
  • Easy to use: interface in clear text, self-detection of sensors
  • Power demands optimisation: cascade strategies, timer and vacation programming
  • Boiler safety garantied: temperatures and flow rates monitoring, reduction of number of cycles

Standard supply

  • Display with backlit screen
  • User interface high visibility
  • 3 programmable relay outputs (1A max)
  • 2 dedicated sensor inputs
  • 2 programmable sensor inputs
  • 2 programmables digital inputs (1 possible at 0 to 10 Volts)
  • Inputs for room temperature sensors
  • Electrical protective devices integration (fuses, EMC filter)
  • Interface internal boiler wiring and external consumer wiring (LPB)
  • Mounting support

Accessories

  • AVS 75 extension module for managing V3V circuit
  • OCI 345 interface for cascade boilers communicating via LPB
  • RVS 63 kit (external to boiler) to manage supplementary circuits
  • RVS 46 kit (external to boiler) to manage supplementary circuits 

 

Details & Warranty

Details & Warranty

 

Details

  • Power supply 230 V 50 Hz
  • Maximum flow setpoint temperature 85° C

Warranty

  • Heating element: 3 years warranty can be extended to 10 years
  • Electrical equipment + burner: 2 years