Condensing Boilers

HeatMaster C, TC

Portrait

HeatMaster 85 TC

Combined gas fired condensing boiler and water heater with stainless steel heat exchanger.

  • 10-Year Heat Exchanger Warranty
  • Tank-in-Tank
  • BIM Objects
  • Nat Gas and LPG
  • Domestic and Commercial

# GTIN : 5400891001493
# P/N : 05652501

  • Gas
  • Boilers
  • DHW Production
  • Standard
  • Concentric
  • Floor installation
Label 2
  • Heating and hot water from one unit saves space, reduces energy use and speeds up installation
  • Operates in most efficient mode (condensing) for both heating and hot water
  • Low maintenance with no anode protection required
  • Reduces legionella risk due to temperature stored at > 60°C
  • Corrosion-resistant stainless steel heat exchanger backed by a 10-year warranty reduces maintenance and increases system lifespan
  • Suited to high demand and critical hot water premises such as hotels and hospitals
  • Long life – 25-year guarantee on the corrosion resistant stainless steel cylinder
  • Easy to use standardised controls using ACVMax control system
  • Combine with Prestige® heat only boilers or Smart cylinder for highly efficient heating and hot water performance all from one manufacturer
  • Suitable for vented or unvented systems (optional unvented kit required)
  • Supplied with LPG kit for simple on-site conversion
Schematic
  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. Insulation
  10. High efficiency circulator pump
  11. NTC2 sensor (CH return)
  12. Pressure sensor
  13. Electrical panel (with spare fuses at the back)
  14. ACVMax Control panel
  15. DHW tank dry well (Dip tube with temperature sensor)
  16. Automatic air vent
  17. Gas pressure switch
  18. NTC1 sensor (CH supply)
  19. Gas valve
  20. DHW safety valve / (T and P relief valve)
  21. Modulating air/gas premix burner with fan
  22. Air inlet

Constructive characteristics

HeatMaster 25 TC HeatMaster 35 TC HeatMaster 45 TC HeatMaster 70 TC HeatMaster 85 TC HeatMaster 120 TC
Capacity (total) L 196 196 196 315 315 315 L
Capacity (primary) L 100 100 100 125 125 125 L
Capacity (domestic hot water) L 96 96 96 190 190 190 L
Chimney: Max pressure drop in flue pipe Pa 130 130 130 150 150 240 Pa
Chimney: max length of concentric flue pipe m 20 20 20 22 22 21 m
Chimney connection Ømm 80/125 80/125 80/125 100/150 100/150 100/150 Ømm
Connection - heating Ø" 1 F 1 F 1 F 1 ½ F 1 ½ F 1 ½ F Ø"
Connection - DHW Ø" 1 M 1 M 1 M 1 M 1 M 1 M Ø"
Connection gas Ø" 3/4 M 3/4 M 3/4 M 3/4 M 3/4 M 3/4 M Ø"
Connection - safety valve Ø" 1/2M 1/2M 1/2M 1/2 M 1/2 M 1/2 M Ø"
Max operating temperature °C 87 87 87 87 87 87 °C
Water pressure drop boiler at Δt = 20°C mbar 3 6 10 9 14 27 mbar
Max service pressure heating (primary) bar 3 3 3 3 3 3 bar
Max service pressure (DHW) bar 8,6 8,6 8,6 8,6 8,6 8,6 bar
Height when tilted mm 1855 1855 1855 2277 2277 2277 mm
Weight (empty) kg 177 177 177 298 298 299 kg

Heating characteristics

HeatMaster 25 TC HeatMaster 35 TC HeatMaster 45 TC HeatMaster 70 TC HeatMaster 85 TC HeatMaster 120 TC
Pre-heating time from 10 to 80°C (Heat source: boiler) min 35 26 23 27 24 23 min
Reheat time from 40 to 90°C min 30 28 25 37 36 30 min
Reheat time from 40 to 80°C min 22 22 16 18 16 15 min
Heating time from 10 to 90°C min 43 33 30 47 43 38 min

Combustion

HeatMaster 25 TC HeatMaster 35 TC HeatMaster 45 TC HeatMaster 70 TC HeatMaster 85 TC HeatMaster 120 TC
Input max (heating) HCV kW 27,8 38,9 50,0 77,6 94,4 127,7 kW
Input max (heating) LCV kW 25 35 45 69,9 85 115 kW
Combustion efficiency % 98,2 98,2 97,9 98,1 98 97,5 %
Efficiency at 30% load (EN677) % 109,0 109,0 109,0 109,0 108 108 %
Efficiency at 100% load (50/30°C) % 103,9 103,9 103,9 105,8 105,8 105,8 %
Efficiency (max output) 80/60°C % 98 98 98 97 97 97 %
Efficiency (min output) 80/60°C % 98 98 98 97,3 97,5 97,1 %
Efficiency DHW mode ΔT 30K % 105,4 105,4 103,1 103,9 103,9 102,2 %
CO emissions max output ppm 27 48 63 34 51 58 ppm
CO emissions min output ppm 6 4 4 7 6 4 ppm
Mass rate of combustion products (gas) kg/h 42 56 76 114 111 183 kg/h
NOx weighted (GCV) (EN15502) mg/kWh 24,6 29,5 33,2 33,1 29,3 31,1 mg/kWh
NOx class (EN15502) 6 6 6 6 6 6
Output power max (80/60°C) kW 24,3 34,2 44,7 68,0 82,5 111,6 kW
Output power min (80/60°C) kW 4,9 6,8 8,8 20,9 20,5 24,3 kW
Gas flow rate (min output) m³/h 0,5 0,7 0,9 2,2 2,1 2,45 m³/h

Domestic hot water performance

HeatMaster 25 TC HeatMaster 35 TC HeatMaster 45 TC HeatMaster 70 TC HeatMaster 85 TC HeatMaster 120 TC
Peak flow at 40°C L/10’ 361 408 451 716 783 900 L/10’
Peak flow 1st hour at 40°C L/60’ 1018 1328 1610 2455 2895 3620 L/60’
Continuous flow at 40°C L/h 788 1104 1390 2087 2534 3402 L/h
Peak flow at 45°C L/10’ 301 339 373 592 646 676 L/10’
Peak flow 1st hour at 45°C L/60’ 865 1127 1366 2083 2456 3098 L/60’
Continuous flow at 45°C L/h 676 946 1192 1789 2172 2928 L/h
Peak flow at 60°C L/10’ 183 197 224 348 371 440 L/10’
Peak flow 1st hour at 60°C L/60’ 577 749 894 1391 1638 1847 L/60’
Continuous flow at 60°C L/h 473 662 820 1252 1520 1754 L/h

Electrical Characteristics

HeatMaster 25 TC HeatMaster 35 TC HeatMaster 45 TC HeatMaster 70 TC HeatMaster 85 TC HeatMaster 120 TC
Voltage V 230 230 230 230 230 230 V
Frequency Hz 50 50 50 50 50 50 Hz
Protection IP 30 30 30 30 30 30
Electrical consumption W 95 110 126 210 266 327 W
Electrical power requirements A 0,7 0,8 0,85 1,4 1,7 2 A

Eco Design Fields

HeatMaster 25 TC HeatMaster 35 TC HeatMaster 45 TC HeatMaster 70 TC HeatMaster 85 TC HeatMaster 120 TC
Space heating energy efficiency class A A A A A A
Seasonal space heating efficiency (35°C) % 93 93 93 93 92 92 %
Declared load profile XXL XXL XXL XXL XXL XXL
Water heating energy efficiency class A A A A A A
Water heating energy efficiency [ηwh] (EU 814/2013 Art 2 (15) Ann.IV-3) % 87,2 87,2 87,2 85,0 85 85 %
Sound power level indoors LWA dB 60 60 59 60 61 62 dB
Product Fiche

Technical brochure

ACVMax - Installers handbook for heating systems controlled with ACVMax (3.06-3.16)

21.45MB – en

ACVMax - Installers handbook for heating systems controlled with ACVMax (Software version 4.04 or more)

25.98MB – en

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

11.60MB – en

Marketing brochure

Product Guide 2019-20

13.02MB – en

Ecodesign

Product Fiche

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