Ariston Thermo ELECTRONIC 12 HP CA-E Instructions Pour L'installation Et L'entretien page 61

WARNING: check that
• A (NB: the gas orifi ce diameter is shown in hundredths of a millimetre)
• the sensors are completely inserted in their sheaths.
• The electric connections are perfectly made and connected.
• All terminals and connections are correctly fi tted to their respective plugs.
• Any new gas valve setting and/or pressure adjustment (note: the G20 adjustment is done
by the manufacturer) has been carried out.
Models
Methane gas (G20 - G25)
Liquid gas (G30 G31)
Butane e Propane
SUPPLY PRESSURE (NATURAL GAS AND LIQUID GAS).
The gas supply pressure, measured at the inlet pressure take-off using a pressure gauge, and
specifi cally indicated on the valve
must have a value as shown in Table B
Gas supply
pressure
GAZ méthane (G20)
GAZ (G30) Butane
GAZ (G31) Propane
ADJUSTMENT OF THE SLOW IGNITION DEVICE
For all types of gas, NATURAL and LIQUID, the "slow ignition" adjustment device on the gas
valve is adjusted by the manufacturer:
NATURAL GAS (G20)
SIT Valve HONEYWELL Valve
In the case of adaptation for operation with
gas diff ering from the pre-set one, the devi-
ce must be set, for the various gas types, as
shown in the diagrams above.
All manuals and user guides at all-guides.com
Orifi ce diameter of the gas burner nozzle in mm
(the marking on the nozzle is in hundredths of a millimetre)
12P CA-E 16P CA-E
1,90 / 3,00 2,05 / 3,40
1,35 / 1,85 1,50
12P CA-E 16P CA-E
20 18,6 18,1
29 27,5 27,5
37 35,2 35,5
20P CA-E 12HP CA-E
2,20 / 3,40 2,20 / 3,40 2,55 / 3,40
1,60 1,60
Pressure at the burner (mbar)
20P CA-E 12HP CA-E
18,5 18,8
27,4 27,4
35,4 35,4
LIQUID GAS (G30-G31):
SIT Valve
Important: the manufacturer declines all re-
sponsibility for heaters that have undergo-
ne a transformation as concerns the type of
gas in use.
16HP CA-E 20HP CA-E
2,55 / 3,40
1,90 1,90
16HP CA-E 20HP CA-E
18,6 18,6
27,8 27,8
35,9 35,9
HONEYWELL ValveL
GB
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