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DOMITOP HF 24 - 30 E
FERELLA GOLD HF 24 - 30 MEL
Version - 09.2002
3.5 Operating parameter adjustment
Boiler parameter adjustment
P1
Temperature adjustment potentiometer.
Controls the heating delivery temperature from 30°C to 85°C.
The minimum position selects Summer operation.
P3
Heating capacity adjustment potentiometer
.
P4
Potentiometer to adjust the burner gas pressure in the ignition phase
.
The maximum ignition time is 10 sec.
The ignition curve should be regulated taking account of the type of burner and fuel used (natural
gas or LPG).
P5
Minimum pressure adjustment potentiometer
.
The potentiometer P5 is to be used if it is necessary to adjust the minimum current to the
second coil of the gas valve.
This adjustment makes it possible to increase the gas valve minimum opening pressure
electrically. The potentiometer P5 is used when the mechanical minimum of the gas valve does
not enable adequate adjustment
.
Jumper operation
JP01
Inserted
Not inserted
3-way valve system
Not contemplated
Jumper JP01:
If using an external boiler for the tap water
The boilers are made with JP01 not inserted
JP02
Inserted
Not inserted
Natural gas operation
LPG operation
Jumper JP02:
Boiler operation with natural gas or LPG
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