Immergas HE COMBI INTERNAL Manual page 24

3.16 VARIABLE HEAT POWER
HEAT
HEATING
OUTPUT
+
(kW)
D.H.W.
30,0
14,8
D.H.W.
N.B.: the pressures indicated in the tables
between the gas valve outlet and the combustion
carried out using a di erential manometer
(small "U"-shaped column or digital manometer)
with the probes inserted in the pressure test gas
valve outlet and on the sealed chamber positive
pressure test.
NG (G20)
BURNER PRESS. NOZZLES
GAS FLOW RATE PRESSURE
(m /h) (kPa)
3
3,29 0,70
1,53 0,19
4 4
1
5
LPG (G30)
BURNER PRESS. NOZZLES
GAS FLOW RATE PRESSURE
(kg/h) (kPa)
2,46 2,10
1.14 0.55
6
Key:
1 - Modulating Coil
2 - Minimum power adjustment nut
3 - Maximum power adjustment nut
4 - Gas valve outlet pressure point
5 - Gas valve inlet pressure point
6 - From Sealed chamber to negative pressure tapping on manometer.
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