TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS • HEATMASTER 70 / 85 TC
HM 70 TC
HM 85 TC
Central heating
Natural gas
Propane
Natural gas
Propane
Max. heat input
kW
69,9
69,9
85,0 [92,0]
85,0 [92,0]
Min. heat input
kW
17,2
17,2
17,2
17,2
Max. useful power 80/60°C
kW
68,2
68,2
82,5
82,5
Min. useful power 80/60°C
kW
16,7
16,7
16,7
16,7
Efficiency at 30% load [EN677]
%
109,0
106,7
107,8
105,5
Efficiency in domestic hot water mode [Δt = 30°C]
%
104,0
104,0
104,0
104,0
Flue gas
CO emissions (max./min. power)
mg/kWh
42,8 / 4,3
90,0 / 45,0
58,9 / 4,3
90,0 / 45,0
NOx emissions (max./min. power)
mg/kWh
52 / 17,4
61 / 25
72,4 / 19
85 / 27
NOx class [EN483]
5
5
5
5
Flue gas temperature - Max output power 80/60°C
°C
60,6
60,6
61,6
61,6
Flue gas temperature - Max. output power 50/30°C
°C
34
34
35,1
35,1
Mass flow rate of combustion products
kg/h
113
110
137 [148]
134 [145]
Flue-gas duct - max. pressure drop
Pa
150
150
150
150
Concentric flue gas channel max. length
m
20
20
20
20
Gas
Gas pressure
mbar
20 / 25
30 / 37 / 50
20 / 25
30 / 37 / 50
Gas flow rate G20
m
3
/h
7,40
—
8,99 [9,73]
—
Gas flow rate G25
m
3
/h
8,60
—
10,46 [11,32]
—
Gas flow rate G31
kg/h
—
5,43
—
6,61
CO
2
[max power]
% CO
2
9,1
10,9
9,3
10,9
CO
2
[min power]
% CO
2
8,6
9,0
8,6
9,0
Hydraulic parameters
Max operating temperature
°C
90
90
90
90
Total capacity
L
315
315
315
315
Heating circuit capacity
L
125
125
125
125
Max operating pressure of the heating circuit
bar
3
3
3
3
Heat exchanger pressure drop [ΔT = 20]
mbar
135
135
200
200
Electrical connection
Class
IP
30
30
30
30
Supply voltage
V/Hz
230/50
230/50
230/50
230/50
Maximum absorbed electric current
A
1,0
1,0
1,0
1,0
Drained weight
kg
284
284
284
284
DOMESTIC HOT WATER PROVISION • HEATMASTER 70 / 85 TC
System operating at 90°C
HM 70 TC
HM 85 TC
Peak flow rate at 40°C [ΔT = 30°C]
L/10’
825
868
Peak flow rate at 40°C [ΔT = 30°C]
L/60’
2542
3076
Continuous flow rate at 40°C [ΔT = 30°C]
L/h
2061
2713
Peak flow rate at 45°C [ΔT = 35°C]
L/10’
682
718
Peak flow rate at 45°C [ΔT = 35°C]
L/60’
2154
2513
Continuous flow rate at 45°C [ΔT = 35°C]
L/h
1766
2325
Peak flow rate at 60°C [ΔT = 50°C]
L/10’
392
413
Peak flow rate at 60°C [ΔT = 50°C]
L/60’
1416
1594
Continuous flow rate at 60°C [ΔT = 50°C]
L/h
1229
1617
Preheat time
minutes
46
35
EN • 8
664Y5300 • A
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