42
SUN M20 - M30
GB
KodL MNOOPPQO - RevL SS - TQUQSTQ
Burner setting
For a preliminary burner adjustment, set the head, air shutter and gas valve at the time of installation
(before commissioning and subsequent setting with instruments) using the following tables.
SUN M20 setting
Model
P. Firebox
max.
P. Firebox
min.
Head
position
Gas valve
3/4" - 1" 1/4
Servomotor
cam
G20
G31
kW
kW
mark
N
V
N
V
1st
Orange
2nd st
Red
GN2 14
274
215
1.5
0
1.35
0
1.05
30
70
GN4 08
270
160
1.5
0
1.35
0
1.05
12
70
GN4 09
324
192
2.2
0
1.6
0
1.2
18
70
Prextherm RSW 190
206.5
147.4
1
0
1.2
0
1
15
70
Prextherm RSW 240
261
170.9
2
0
1.3
0
1.05
12
70
Prextherm RSW 300
326
209.5
2.2
0
1.6
0
1.2
25
70
SUN M30 setting
Model
P. Firebox
max.
P. Firebox
min.
Head
position
Gas valve
3/4" - 1" 1/4
Servomotor
cam
G20
G31
kW
kW
mark
N
V
N
V
1st st
Orange
2nd st
Red
GN2 N 07
137
110
0
0
1.15
0
0.95
10
20
GN2 N 08
157
125
0
0
1.15
0
0.95
12
40
GN2 N 09
176
140
1
0
1.2
0
1
10
40
GN2 N 10
196
155
1
0
1.2
0
1
15
50
GN2 N 11
215
170
1
0
1.2
0
1
20
70
GN2 N 12
235
185
2
0
1.5
0
1.1
20
50
GN2 N 13
254
200
2
0
1.5
0
1.1
25
60
GN4 N 07
217
128
1
0
1.2
0
1
8
70
Prextherm RSW 152
165
107.3
0
0
1.15
0
1
15
70
Prextherm RSW 190
206.5
147.4
1
0
1.2
0
1
15
70
Prextherm RSW 240
261
170.9
2
0
1.3
0
1.05
12
70
