Bentone BG 400 M Translation Of The Original Instructions page 24

6.7.2 Technical data
– Max inlet pressure 360 mbar
– Valves V1+V2 class A group 2 in accordance with EN 161
– Governor class A group 2 in accordance with EN88-1
– Ratio V PBr:PL 0,75:1-3:1
– Filter according to DIN 3386
– Ambient temperature -15°C- +70°C
Protection standard type IP54 (according to IEC 529,
DIN 40050)
6.7.3 Mounting instruction - impulse lines PL,PF och PBr
– Impulse lines should preferably be made of steel. Inside diametre
>ø 4 mm (steel tube ø 6/4).
– For PL other material can be used.
– Impulse lines PL and PBR are ready from factory.
– Impulse lines shall be mounted in such a way that no conden sate
can flow back into the gas valve. This is especially important when
PF is concerned.
– Impulse lines shall be mounted in such a way that they are
protected against rupture and damage.
– Impulse lines shall be as short as possible.
6.7.4 Adjustment possibilities
!
Effective burner pressure
∆ P = P - P
Br Br F
Effective fan pressure
!
∆ P
= P -P
L L F
Adjustment range
24
Bentone
– Gas family 1 +2 +3
– Outlet pressure 0,5 - 100 mbar
– Zero point adjustment N ±2 mbar
– Pressure switch DIN3398 TI
– Fan pressure PL0,4-100 mbar
– Fire room pressure PF -2 -+5mbar
– Burner pressure PBr 0,5 - 100 mbar
∆
P
Br
∆
P
Br
MB-VEF
Adjustment range
{
N=+2
∆
pBr, min =0,5 mbar
{
N=-2
+ N
- N
∆
P
L
max. = 100 mbar
P
Br
∆
P
L
, max. = 100 mbar
P
L