Installation
22
Instruction manual DR-RS
3
is
Number of bar burners/orifices
-
3
5
7
7
7
Number of flue tubes/flue baffles
-
5
7
16
16
16
Diameter of air restrictor
mm
36
42
54
48
64
Electrical power consumption
W
100
100
100
275
300
Supply voltage
VAC
230 (-15% +10%)
Mains frequency
Hz
50
Table 3.5
Gas data
Gas category data
Unit
DR-RS
25
DR-RS
40
DR-RS
65
DR-RS
85
DR-RS
105
Gas categories: DR-RS 25, 40, 65, 85: II
2H3+
DR-RS 105: II
2H3P
Specifications for natural gas: G20 - 20 mbar
Orifice diameter
mm
2.60
2.50
2.70
3.20
3.30
Diameter of pilot flame orifice
mm
0.56 / 0.41 0.56 / 0.41 0.56 / 0.41 0.56 / 0.41 0.56 / 0.41
(1) = Flat plate
(2) = Burner pressure regulator
1 or 2
2
2
2
2
2
Nominal heat input (gross)
kW
3
1.6 51.2 81.6 111.1 125.2
Nominal output
kW
2
5.9
41.5
6
6.2
8
9.
0 1
00.
3
Supply pressure
mbar
20
20
20
20
20
Burner pressure
mbar
12.5
12.
9
12.
9 1
2.5
1
4.0
Gas consumption
(1)
m
3
/h
3.1
5.0
7.9
10.8
12.2
Specifications for LP gas
General
Orifice diameter
mm
1.45
1.40
1.50
1.95
2.30
Diameter of pilot flame orifice
mm
0.25
0.25
0.25
0.25
0.25
(1) = Flat plate
(2) = Burner pressure regulator
1 or 2
1
1
1
1
2
G30-30 mbar (butane)
Nominal heat input (gross)
kW
3
0.9 4
8.9
7
9.
7 1
08.4
N
.A.
Nominal output
kW
25
.9
40.6
6
6.2
8
9.0
Supply pressure
mbar
30
30
30
30
Burner pressure
(2)
mbar
-
-
-
-
Gas consumption
(1)
kg/h
2.3
3.6
5.9
8.0
1. Based on 1013.25 mbar and 15 °C.
2. If using a blank plate instead of a burner pressure regulator, it is assumed that the burner pressure is equal to
the supply pressure. In practice however, the burner pressure will be lower.
Table 3.4
General and electrical specifications (Continued)
DESCRIPTION
Unit
DR-RS
25
DR-RS
40
DR-RS
65
DR-RS
85
DR-RS
105
