Potterton SIRIUS THREE FS 70 Installation Manual page 67

Tab.39 Checking and setting values for gas type G25
Diameter of the Venturi
Diameter of the nozzles
Maximum CO
Tab.40 Authorised CO
2
90
Unit
%
%
%
%
%
%
%
%
%
%
%
(1) The CO value is valid with the front panel mounted. If the front panel is removed (open chamber), the value readout is lower by 0.2 %.
2
(2) Nominal value.
Tab.41 Authorised CO
2
Unit
%
%
%
%
%
%
%
%
%
%
%
(1) The CO value is valid with the front panel mounted. If the front panel is removed (open chamber), the value readout is lower by 0.2 %.
2
(2) Nominal value.
Tab.42 Checking and setting values for gas type G31
Diameter of the Venturi
Diameter of the nozzles
Maximum CO
7609493 - v11 - 18052020
Unit SIRIUS THREE FS
50
mm 24
mm 4.20 (no. 2)
ppm < 250
ranges for G25 type gas for SIRIUS THREE FS 50 , SIRIUS THREE FS 70 and SIRIUS THREE FS
CO at maximum power
(1)
2
8.5
8.6
8.7
8.8
8.9
9.0
(2)
9.1
9.2
9.3
9.4
9.5
ranges for G25 type gas for SIRIUS THREE FS 110
CO at maximum power
(1)
2
8.7
8.8
8.9
9.0
9.1
9.2
(2)
9.3
9.4
9.5
9.6
9.7
Unit SIRIUS THREE FS
50
mm 24
mm 2.95 (no. 2)
ppm < 250
SIRIUS THREE FS SIRIUS THREE FS
70 90
30 34
Variable mixer noz­ 6.30 (no. 2)
zles: top part with a
diameter of 5.70
mm, bottom part
with a diameter of
6.50 mm.
< 250 < 250
Authorised CO
7.8 - 8.2
7.9 - 8.3
8.0 - 8.4
8.1 - 8.5
8.2 - 8.6
8.3 - 8.7
8.4 - 8.8
8.5 - 8.9
8.6 - 9.0
8.7 - 9.1
8.8 - 9.2
Authorised CO
8.2 - 8.6
8.3 - 8.7
8.4 - 8.8
8.5 - 8.9
8.6 - 9.0
8.7 - 9.1
8.8 - 9.2
8.9 - 9.3
9.0 - 9.4
9.1 - 9.5
9.2 - 9.6
SIRIUS THREE FS SIRIUS THREE FS
70 90
30 34
4.0 (no. 2) 4.5 (no. 2)
< 250 < 250
8 Commissioning
SIRIUS THREE FS
110
38
Variable mixer noz­
zles: top part with a
diameter of 6.80
mm, bottom part
with a diameter of
7.70 mm.
< 250
range at minimum power
2
range at minimum power
2
SIRIUS THREE FS
110
38
5.0 (no. 2)
< 250
(1)
(1)
67