High Efficiency Boilers

HeatMaster N

HeatMaster 201

High performance fully modulating combined boiler and water heater

  • Also available in Propane.
  • TANK-IN-TANK TECHNOLOGY

# A1004779

  • Gas
  • Boilers
  • DHW Production
  • Standard
  • Floor installation
  • Upgrade from MCBA to ACVMax
  • New casing, optimized for easy on-site assembly
  • Stainless steel Tank-in-Tank design
  • Low-NOx premix natural gas/LPG modulating burner, from 60 to 220kW
  • Can also be used as a stand alone water heater
  • Anti-Legionellae: hot water stored at a consistently high temperature
  • Built-in primary circuit shunt pump
  • High performance Neopor insulation
  • Stove enameled casing
  • Control panel including digital ACVMax controller complete with self diagnostic system and combined temperature and pressure gauge
  • Up to 3534 litres of hot water at 60⁰C in one hour
  • Non Ecodesign compliant
  1. Chimney reduction with horizontal outlet Ø 250 mm
  2. DHW tank dry-well + NTC3 sensor
  3. DHW hot water outlet
  4. Flue gas tubes and turbulators
  5. Stainless steel hot water production tank
  6. Primary circuit tank
  7. Combustion chamber
  8. Foam insulation
  9. Air/gas premix burner
  10. Circulator pump (2x - only one shown)
  11. Pressure sensor
  12. Electrical panel (with spare fuses at the back)
  13. ACVMax Control panel
  14. Pressure gauge (primary circuit)
  15. Connection for recirculation (DHW)
  16. Automatic air vent
  17. Cold water inlet + dip tube

Constructive characteristics

Capacity (total) 641 L
Capacity (primary) 241 L
Capacity (domestic hot water) 400 L
Chimney connection 250 Ømm
Connection - heating 2 F Ø"
Connection - DHW 2 M Ø"
Connection gas 1 F Ø"
Connection - safety valve 1 M Ø"
Max operating temperature 90 °C
Water pressure drop boiler at Δt = 20°C 240 mbar
Max service pressure heating (primary) 3 bar
Max service pressure (DHW) 8,6 bar
Weight (empty) 660 kg

Heating characteristics

Pre-heating time from 10 to 80°C (Heat source: boiler) 25 min
Heating time from 10 to 90°C 44 min

Combustion

Input max (heating) HCV 244,4 kW
Input max (heating) LCV 220 kW
Combustion efficiency 91,5 %
Efficiency at 30% load (EN677) 94 %
Efficiency (max output) 80/60°C 91 %
CO emissions max output 4 ppm
CO emissions min output 2 ppm
Mass rate of combustion products (gas) 394 kg/h
NOx class (EN483) 5
Output power max (80/60°C) 198 kW
Output power min (80/60°C) 56,4 kW
Gas flow rate (min output) 6,2 m³/h

Eco Design Fields

NOx weighted (GCV) 47,7 mg/kWh

Domestic hot water performance

Peak flow at 40°C 1745 L/10’
Peak flow 1st hour at 40°C 6690 L/60’
Continuous flow at 40°C 6117 L/h
Peak flow at 45°C 1489 L/10’
Peak flow 1st hour at 45°C 5667 L/60’
Continuous flow at 45°C 5039 L/h
Peak flow at 60°C 971 L/10’
Peak flow 1st hour at 60°C 3534 L/60’
Continuous flow at 60°C 2914 L/h

Electrical Characteristics

Voltage 230 V
Frequency 50 Hz
Protection IP 30
Electrical consumption 730 W
Electrical power requirements 3,2 A
    • Technical brochure

    • HeatMaster 71, 101, 201 (v13) - Installation, operations and maintenance instructions

    • 5.79 MB – en

    • Technical brochure

    • Addendum HeatMaster 200N-200F (V13)

    • 487 KB –

    • Technical brochure

    • HeatMaster N - Installation, operations and maintenance instructions - v2013

    • 8.08 MB – ru

    • Technical brochure

    • Casing Assembly Instructions HeatMaster 201 v17

    • 9.89 MB –

    • Technical brochure

    • HeatMaster 71-101-201 (V13)

    • 5.81 MB – ru

    • Technical brochure

    • HeatMaster 200 N / 200 F (v13) : ИНСТРУКЦИЯ ПО УСТАНОВКЕ, ЭКСПЛУАТАЦИИ И СЕРВИСНОМУ ОБСЛУЖИВАНИЮ

    • 5.04 MB – ru

    • Technical brochure

    • HeatMaster 201 (v17) - Installation, operations and maintenance instructions

    • 7.76 MB – en

    • Technical brochure

    • HeatMaster 200 N / 200 F (v13) : Installation, operation and maintenance instructions

    • 5.04 MB – en

    • Technical brochure

    • HeatMaster 201 Booster - Assembling and installation instructions

    • 761 KB – en

    • Technical brochure

    • HeatMaster N - Installation, operations and maintenance instructions - v2013

    • 8.06 MB – en

    • Technical brochure

    • Burner BG2000-M 201 installation instructions

    • 2.84 MB –

    • Marketing brochure

    • ACV Products Overview 2017

    • 3.96 MB – en

Other products

HeatMaster® 100 N
High Efficiency Boilers
HeatMaster® 200 F
High Efficiency Boilers
HeatMaster® 70 N
High Efficiency Boilers
HeatMaster® 200 N
High Efficiency Boilers
Find an installer

Get in touch with an installer for a free, no obligation estimate.

Call ACV

Need some answers? Talk to a specialist

Tel. +32 2 334 82 20