30
28
Technical Specifications
Maximum Operating Pressure
Primary:
3 bar
Secondary:
10 bar
Factory Test Pressure
Primary:
4.5 bar
Secondary:
13 bar
Maximum Operating
Temperature
90°C
Power Supply
230v 50Hz
Code
02604501
02604401
Fuel
Natural gas/LPG
Natural gas/LPG
Burner options
type
BG2000-M
BG2000-M
Input
kW
20 to 69.9
25 to 107/22 to 110
Maximum output
kW
18.4 to 63
23 to 96.8/20.2 to 99
Primary capacity
L
108
130
Total capacity
L
239
330
Heating surface area
m
2
3.14
3.95
Primary circuit pressure drop
mbar
46
83
DHW tank pressure drop
mbar
45
180
Flue circuit pressure drop
mbar
0.6
1.4
DHW connection (male BSP)
Ø
1"
1"
Primary connection (female BSP)
Ø
1
1/
2
”
1
1/
2
”
Flue connection (G)
Ø mm
150
150
Flue connection options
type
B23/C13/C33/C53
B23/C13/C33/C53
Dimensions A
mm
1743
2093
B
mm
1630
2030
C
mm
678
678
D
mm
937
937
E
mm
680
680
F
mm
390
390
H*
mm
1289
1693
J
mm
285
285
Air intake connection
Ø mm
80
100
Weight empty
Kg
282
335
Weight full
Kg
521
665
Minimum working gas pressure
mbar
20(Nat Gas)/37(LPG)
20(Nat Gas)/37(LPG)
Gas flow rate
m
3
/h
2.12 to 7.4(Nat Gas/0.82 to 2.86 (LPG)
2.65 to 11.32(Nat Gas/0.9 to 4.5(LPG)
Note : The above performances are based on the hot water being blended at point of use,
with a boiler temperature of 90°C and a domestic cold water inlet of 10°C.
Domestic Hot Water Performances
Peak flow 40°C
L/10'
646
905
Peak flow 45°C
L/10'
543
777
Peak flow 60°C
L/10'
346
514
Peak flow 40°C
L/60'
2133
3172
Peak flow 45°C
L/60'
1794
2680
Peak flow 60°C
L/60'
1219
1813
Continuous flow 40°C
L/h
1835
2776
Continuous flow 45°C
L/h
1573
2379
Continuous flow 60°C
L/h
1067
1665
Reheat time to 60°C
min
16
13
*The HeatMaster 101 is currently fitted with two heating flow outlets – the upper connection (recommended)
is shown by the dimension H. A second connection (compatible with the previous HM100N) is positioned 365mm lower.
HM71
HM101
HM71
HM101
Hea
tMaster® 71 -101