- 42
-
MULTIBLOC VALVE ADJUSTMENT
Campo di regolazione
+ N
- N
∆p
Br
∆p
L
∆pBr, min. = 0,5 mbar
pL, max = 100 mbar
MB-VEF
V = 3 : 1
V = 1 : 1
V = 0,75 : 1
∆pL, min. = 0,4 mbar
Adjustment range
MULTIBLOC VALVE ADJUSTMENT
Max working pressure p
max
Max permissible working pressure at which all functions are assured.
Intake pressure range p
e
Range between minimum and maximum intake pressures that gives optimum performance.
AIR pressure p
L
Pressure generated by the fan. Air pressure influences total gas delivery rate. This pressure is a reference value
for pressure at the burner p
Br
.
GAS pressure at burner p
Br
Gas pressure measured upstream from the mixing device. Pressure measured after last component of the train.
Average pressure p
a
Pressure at outlet from pressure regulator measured before valve V2.
Combustion chamber pressure p
F
Pressure in the combustion chamber.
Combustion chamber pressure (positive or negative pressure) may vary as it is influenced by:
- power
- dirtiness
- variation of cross-sections
- atmospheric conditions (etc.)
Combustion chamber pressure counteracts the combustion air flow. It must therefore be considered as a disturbance
factor. By adjusting the ratio to V = 1:1 this disturbance factor becomes negligible as the pressure in the combustion cham-
ber has an equivalent effect on both the air and gas total delivery rates.
Summary of Contents for EM 40/2-E
Page 2: ......
Page 25: ...25 ITALIANO...
Page 47: ...47 ENGLISH...
Page 69: ...69 FRAN AIS...
Page 91: ...91 DEUTSCH...
Page 113: ...113 ESPA OL...
Page 115: ...115 a b c d CO2 CO2 CO2...
Page 116: ...116 119 133...
Page 120: ...120 2 n 4 3 4 5 1 A B C D...
Page 121: ...121 2...
Page 126: ...126 3 sec 3 sec LME 10...
Page 127: ...127 B 1 2 3 B H EM 35 E H H EM 40 2 E EM 40 M E H fi 1 max E E 1 E 2 E VE 2 2 14 10 13 SQN 71...
Page 132: ...132 3 A CO2 CO2 CO2 8 5 10 11 12 B P CO CO CO 0 1 160 C 220 C TPR TS B P...
Page 134: ...134 1 A B A B 2 A B C A B C 3 A A...
Page 135: ......