
page no. 7 of 44
HEMNVx & HEMSL Range Users, Installation & Servicing Instructions Doc Ref M103 issue 3.6 Mar 2020.
C
B
A
D
Model
30-6
45-9
50-6
60-12
75-9
75-15
90-18 100-12 125-15 150-18 175-21 200-24
Dimension
A
1250
1250
1850
1250
1850
1250
1250
1850
1850
1850
1850
1850
B
531
741
531
950
741
1272
1482
950
1272
1482
1690
1900
C
400
400
400
400
400
400
400
400
400
400
400
530
D
450
450
450
450
450
450
450
450
500
500
500
550
Flue Diameter
100
100
100
130
130
130
130
130
130
130
130
130
Model - HEM-SL
30-6
45-9
50-6
60-12
75-9
75-15 90-18 100-12 125-15 150-18 175-21 200-24
Output
Max
kW
27.0
40.5
45.0
54.2
68.5
67.5
80.4
88.7
116.7 135.7 160.8 178.3
Min
kW
15.0
23.5
23.9
36.4
44.6
41.5
41.6
62.4
70.5
79.9
82.6
108.3
Temp
Rise
Δt °C
35
Air Off
Max
°C
70
Airflow
Min. Airflow
m
3
/s
0.97
1.45
1.61
1.94
2.42
2.42
2.90
3.23
4.03
4.84
5.64
6.45
Min. Airflow ΔP
Pa
16
17
20
18
21
15
19
22
19
19
20
21
Electrics
V/ph/Hz
1N/230V/50~
Current
A
0.30
0.90
3.50
Power
kW
0.07
0.21
0.80
Fuel
Natural Gas
Connection
BSP/Rc
¾
1¼
¾
1¼
Minimum Inlet Pressure
mbar
20
Rate
m
3
/s
3.35
4.76
5.29
6.52
8.15
8.26
9.59
10.31 13.76 16.22 19.43 21.81
Flue
Diameter
mm ø
100
130
Max. Length Type B
m
14
16
3m max @ Ø130mm**
Max. Length Type C
m
14*
16*
n/a
Nett Weight (single units)
kg
59
85
79
118
106
139
165
130
185
204
235
265
Two Modules
in Series
Max Δt @ 50°C
Heat Output
kW
54.0
81.0
90.0
108.4 137.0 135.0 160.8 177.3 233.4 271.4 321.5 356.6
Min. Airflow
m
3
/s
0.97
1.45
1.61
1.94
2.42
2.42
2.90
3.23
4.03
4.84
5.64
6.45
Min. ΔP
Pa
27
29
33
30
35
25
31
37
31
32
34
35
Three Modules
in Series
Max Δt @ 75°C
Heat Output
kW
81.0
121.5 135.0 162.6 205.5 202.5 241.2 266.0 350.1 407.1 482.3 535.0
Min. Airflow
m3/s
1.04
1.56
1.73
2.08
2.59
2.59
3.11
3.46
4.32
5.18
6.05
6.91
Min. ΔP
Pa
46
49
56
51
59
43
52
63
52
54
57
58
length shown is maximum
calculated
length see section 2.1.4.2 * see section 2.1.4.1 for longer flue runs
HEM-SL