Water Heaters

WaterMaster

WaterMaster 85

Condensing domestic hot water heater

  • Available in Natural gas and LPG
  • TANK-IN-TANK TECHNOLOGY

# A1002078

  • Gas
  • Hot Water Heater
  • Standard
  • Concentric
  • Floor installation
  • Certified EN89 - Ecodesign Lot 2 (EN 812/2013 - EN 814/2013)
  • Equipped with the ACVMax burner and modbus controls.
  • Condenses in hot water mode.
  • Can deliver an exceptional peak and continuous volumes of hot water.
  • Stainless Steel domestic hot water tank - no anode protection required.
  • Space saving footprint - reduced plantroom space requirement.
  • Stainless steel heat exchanger reduces maintenance and can increase system lifespan.
  • Multiple units can be linked for larger applications or back up
  • Vented or unvented use - Mains systempak available
  • Anti-légionnella : t° storage > 60° C.
  1. ACVMax Control panel
  2. NTC sensor (primary circuit)
  3. High efficiency circulator pump
  4. Condensate recovery dish
  5. Electrical panel (with spare fuses at the back)
  6. “Tank-in-Tank” hot water production tank
  7. Flue gas exhaust tube
  8. Indirect water pre-heater
  9. Primary circuit
  10. Pressure sensor

Constructive characteristics

Capacity (total) 315 L
Capacity (primary) 125 L
Capacity (domestic hot water) 190 L
Chimney: Max pressure drop in flue pipe 150 Pa
Chimney: max length of concentric flue pipe 22 m
Chimney connection 100/150 Ømm
Connection - heating 6/4 F Ø"
Connection - DHW 1 M Ø"
Connection gas 3/4 M Ø"
Connection - safety valve 1/2 M Ø"
Max operating temperature 87 °C
Water pressure drop boiler at Δt = 20°C 14 mbar
Max service pressure heating (primary) 3 bar
Max service pressure (DHW) 8,6 bar
Height when tilted 2277 mm
Weight (empty) 298 kg

Heating characteristics

Pre-heating time from 10 to 80°C (Heat source: boiler) 24 min
Reheat time from 40 to 90°C 36 min
Reheat time from 40 to 80°C 16 min
Heating time from 10 to 90°C 43 min

Combustion

Input max (heating) HCV 95,4 kW
Input max (heating) LCV 85,9 kW
Combustion efficiency 98 %
Efficiency DHW mode ΔT 30K 103,9 %
Efficiency DHW mode (EN89) 107,7 %
CO emissions max output 75 ppm
CO emissions min output 6 ppm
Mass rate of combustion products (gas) 111 kg/h
NOx class (EN483) 5
Gas flow rate (min output) 2,6 m³/h

Eco Design Fields

NOx weighted (GCV) 27,0 mg/kWh

Domestic hot water performance

Peak flow at 40°C 783 L/10’
Peak flow 1st hour at 40°C 2895 L/60’
Continuous flow at 40°C 2534 L/h
Peak flow at 45°C 646 L/10’
Peak flow 1st hour at 45°C 2456 L/60’
Continuous flow at 45°C 2172 L/h
Peak flow at 60°C 371 L/10’
Peak flow 1st hour at 60°C 1638 L/60’
Continuous flow at 60°C 1520 L/h

Electrical Characteristics

Voltage 230 V
Frequency 50 Hz
Protection IP 30
Electrical consumption 230 W
Electrical power requirements 1 A
    • Technical brochure

    • ACVMax - Installers handbook for heating systems controlled with ACVMax

    • 25.55 MB – en

    • Technical brochure

    • WaterMaster 25 / 35 / 45 / 70 / 85 / 120 - Installation, Operation and Maintenance Instructions for the Installer and the User

    • 14.41 MB – en

    • Marketing brochure

    • 2018 Product Guide

    • 9.80 MB – en

    • Marketing brochure

    • WaterMaster - EN 89 Certified Storage Water Heater

    • 676 KB – en

Eco Design Fields

Water heating energy efficiency [ηwh] (EU 814/2013 Art 2 (15) Ann.IV-3) 85 %
Declared load profile XXL
Sound power level indoors LWA 61 dB
    • Product Fiche

    • WaterMaster 85

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