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4 220 456 / 02
INITIAl COMMISSIONING
5.4
Parameterisation
Check the parameterisation according to the table in
chapter 6.8.1 and correct it if necessary.
NOTICE
Parameter 33287 must be set to 0!
5.5
Venting the gas pipe
§
Comply with the necessary regulations when
venting the gas pipe.
•
Open the gas shut-off valve.
• Vent the gas pipe up to the gas valve.
5.6
Switching on
• Switch on the blocking switch on the control panel to
release the burner.
WARNING
The heat generator is live when it has been
connected to the mains.
5.7
Gas inlet pressure
The gas quantity and thus commissioning of the
heating are only allowed to be performed if the
values for the flow pressure have been achieved
(see chapter 5.9 Setting the gas quantity).
The flow pressure and the energy content of
the gas in the connecting line must achieve
the values specified in chapter 3.3.
NOTICE
If the gas inlet pressure is higher than
80 mbar, a gas pressure regulator must be
provided by the customer to reduce the gas
flow pressure before the boiler.
5.8
Functional check of pressure monitoring
device
!
WARNING
Flue gas accumulation can result in injury
to persons.
•
Ensure that flue gas is discharged.
In order to ensure safety, the UltraGas
®
2 is equipped with
a pressure monitoring device on the burner cylinder. The
pressure monitoring device records the pressure in the
burner cylinder. If the pressure exceeds the set tolerance
range, the UltraGas
®
2 will trigger a shut down. This pre-
vents the boiler from operating in a dangerous state.
The permitted pressure tolerance range is set at the factory.
5.8.1 Checking the function of the pressure
switch (safety check)
!
WARNING
The settings must only be changed by a spe-
cialist trained by Hoval or by Hoval customer
service.
1. Disassemble pressure switch cover.
2. Set the pressure switch dial so that the outward-fac-
ing arrow points to the minimum value.
3. Restart the heat generator.
- If a restart of the heat generator is not possible,
the pressure switch functions.
- If the heat generator starts, the pressure switch is
defective.
→
Replace the pressure switch.
4. Set the outward pointing arrow on the pressure switch
to the value of the factory setting for the correspond-
ing heat generator. See table.
UltraGas
®
2 type
Pressure switch factory setting
(125)
8 mbar
(150)
8 mbar
(190)
6 mbar
(230)
6 mbar
(300)
8.5 mbar
(350)
7 mbar
(400)
10 mbar
Содержание 51-UltraGas 2 1000
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