Condensing

HeatMaster C, TC

HeatMaster 25 TC

Heating and hot water production from one combination unit

  • Available in Natural gas and LPG
  • TANK-IN-TANK TECHNOLOGY
  • Also available in 70-85-120kW.

# 05652101

  • Gas
  • Boilers
  • DHW Production
  • Standard
  • Concentric
  • Floor installation
  • Equipped with the ACVMax burner and modbus controls.
  • Total Condensing unit - condenses in both heating and hot water mode.
  • Can provide heating and hot water or can be used as a stand alone hot water generator.
  • Can deliver an exceptional peak and continuous volume of hot water.
  • Stainless Steel domestic hot water tank - no glass lined steel or anode protection required.
  • Space saving footprint - Heating and hot water from one unit reduces plantroom space requirements.
  • Stainless steel heat exchanger reduces maintenance and can increase system lifespan.
  • Floor standing boiler with large volume of primary water, ideal for existing heating systems.
  • Multiple units can be linked for larger applications or back up
  • Can be installed along with Prestige heat only boilers or Smart cylinders to provide a perfect solution to your heating and hot water requirements.
  1. Concentric flue gas/air inlet box
  2. Flue gas exhaust tube
  3. Combustion chamber
  4. Stainless steel heat exchanger
  5. Stainless steel “Tank-in-Tank” hot water production tank
  6. Primary circuit separation disc
  7. Indirect water pre-heater
  8. Condensate recovery dish
  9. High efficiency circulator pump
  10. Pressure sensor
  11. NTC sensor (heating circuit)
  12. Electrical panel (with spare fuses at the back)
  13. ACVMax Control panel
  14. DHW tank dry well (Sparge tube with temperature sensor)
  15. Automatic air vent
  16. Gas pipe
  17. Gas valve
  18. Connection for DHW safety valve (to be installed)
  19. Modulating air/gas premix burner with fan
  20. Air inlet

Constructive characteristics

Capacity (total) 196 L
Capacity (primary) 100 L
Capacity (domestic hot water) 96 L
Capacity expansion tank(s) - L
Chimney: Max pressure drop in flue pipe 130 Pa
Chimney: max length of concentric flue pipe 20 m
Chimney connection 80/125 Ømm
Connection - heating 1 F Ø"
Connection - DHW 1 M Ø"
Connection gas 3/4 M Ø"
Connection - safety valve 1/2M Ø"
Max operating temperature 87 °C
Water pressure drop boiler at Δt = 20°C 3 mbar
Max service pressure heating (primary) 3 bar
Max service pressure (DHW) 8,6 bar
Height when tilted 1855 mm
Weight (empty) 177 kg

Heating characteristics

Pre-heating time from 10 to 80°C (Heat source: boiler) 35 min
Reheat time from 40 to 90°C 30 min
Reheat time from 40 to 80°C 22 min
Heating time from 10 to 90°C 43 min

Combustion

Input max (heating) HCV 27,8 kW
Input max (heating) LCV 25 kW
Combustion efficiency 98,2 %
Efficiency at 30% load (EN677) 109,0 %
Efficiency at 100% load (50/30°C) 103,9 %
Efficiency (max output) 80/60°C 98 %
Efficiency (min output) 80/60°C 98 %
Efficiency DHW mode ΔT 30K 105,4 %
CO emissions max output 27 ppm
CO emissions min output 6 ppm
Mass rate of combustion products (gas) 42 kg/h
NOx class (EN483) 6
Output power max (80/60°C) 24,3 kW
Output power min (80/60°C) 4,9 kW
Gas flow rate (min output) 0,5 m³/h

Eco Design Fields

NOx weighted (GCV) 24,6 mg/kWh

Domestic hot water performance

Peak flow at 40°C 361 L/10’
Peak flow 1st hour at 40°C 1018 L/60’
Continuous flow at 40°C 788 L/h
Peak flow at 45°C 301 L/10’
Peak flow 1st hour at 45°C 865 L/60’
Continuous flow at 45°C 676 L/h
Peak flow at 60°C 183 L/10’
Peak flow 1st hour at 60°C 577 L/60’
Continuous flow at 60°C 473 L/h

Electrical Characteristics

Voltage 230 V
Frequency 50 Hz
Protection IP 30
Electrical consumption 95 W
Electrical power requirements 0,7 A
    • Technical brochure

    • HeatMaster 25 / 35 / 45 / 70 / 85 / 120 TC (V15) - Installation, Operation and Maintenance instructions

    • 15.77 MB – en

    • Technical brochure

    • ACVMax - Installers handbook for heating systems controlled with ACVMax

    • 25.55 MB – en

    • Technical brochure

    • HeatMaster C, TC

    • 12.66 MB – en

    • Technical brochure

    • HeatMaster 25 / 35 / 45 / 70 / 85 / 120 TC (V15) - Инструкция по установке, эксплуатации и сервисному обслуживанию

    • 14.61 MB – ru

    • Marketing brochure

    • ACV Products Overview 2017

    • 3.96 MB – en

    • Marketing brochure

    • ACV Guide to Ecodesign and Energy Labelling

    • 947 KB – en

Eco Design Fields

Space heating energy efficiency class A
Water heating energy efficiency [ηwh] (EU 814/2013 Art 2 (15) Ann.IV-3) 87,2 %
Declared load profile XXL
Water heating energy efficiency class A
Seasonal space heating efficiency 93 %
Sound power level indoors LWA 60 dB
    • Energy Label

    • HeatMaster 25 TC

    • Product Fiche

    • HeatMaster 25 TC

Other products

HeatMaster 45 TC
Condensing
HeatMaster 85 TC
Condensing
HeatMaster 70 TC
Condensing
HeatMaster 35 TC
Condensing
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