Immergas HE COMBI INTERNAL - Variable Heat Power (Table and Diagram)

24
INSTALLER
USER
MAINTENANCE TECHNICIAN
NG (G20) LPG (G30)
HEAT
OUTPUT
HEATING
+
D.H.W.
BURNER
GAS FLOW RATE
PRESS. NOZZLES
PRESSURE
BURNER
GAS FLOW RATE
PRESS. NOZZLES
PRESSURE
(kW) (m
3
/h) (kPa) (kg/h) (kPa)
30,0 3,29 0,70 2,46 2,10
D.H.W.
14,8 1,53 0,19 1.14 0.55
3.16 VARIABLE HEAT POWER
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
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.
4
1
5
2
4
3
6
3-17
pressure test.