Vaillant 0020135785, Руководство по установке, Страница: 15 / 20

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0020140122_03 - 12/19 - Vaillant
SAFETy
- 13 -
24V connectors (low voltage)
230V~ CYL.
2 1
DHW
CH1
CH2
ON
DHW
OFF
1 2 - +
BUS NTC
1 2 - +
BUS NTC
1 2
Key
1 eBUS connector (2 pins)
2 NTC connector (2 pins)
4.3.2 Main board
20 mm max.
2
1
Key
1 Electrical wires
2 Casing
When you connect the electrical wires to a connector on the main
electronic board:
>
Keep a distance of a maximum of 20 mm between connector
and the start of the insulation (2).
>
If single core wires are used (1) ensure that they are wrapped
together in an insulating sheath.
>
Fix the cables in the cable-clamps on the unit.
5 Commissioning
The commissioning should be carried out by a competent person
approved at the time by the Health and Safety Executive and in
accordance with the current issue of BS6798.
>
Completely open all the radiator thermostatic valves in the
rooms where the room thermostats were been installed.
5.1 Filling
5.1.1 Boiler
Commission the boiler according to the instructions of its instal-
lation manual.
>
Refer to the installer manual.
5.1.2 Heating circuit
>
Manually open the different heating circuit valves.
5.2 Venting
5.2.1 Boiler
Commission the boiler according to the instructions of its instal-
lation manual.
>
Refer to the installer manual.
5.2.2 Heating circuit adjustement
Venting of the heating circuit enables the purging of any air in
the heating circuit (valves still manually opened).
>
Open the different heating circuit air vent.
b
Caution!
>
When venting is complete, close the different
heating circuit air vent and valves.
5.3 Switching on
>
Turn on all the appliances that make up the installation (see
the installation manual(s)). Use the following order:
– Control centre
– Boiler
5.4 Multizone specific adjustment
In case of multizone mode selection (rotary switch in pos 0), the
pairing must be made between the room thermostat(s) and con-
trol centre in the system heating (one after the other).
>
Follow the install assistant of the room thermostat “zone 1”.
>
Consult the installation manual of the room thermostat in
order to carry out the operation.
>
Repeat the operation with the room thermostat “zone 2”
5.5 Restart and check
>
Check if all settings have been saved by switching the system
off and then on to ensure that any adjustments operate cor-
rectly and check that the appliances operate safely.
>
Check if the system answers correctly to a demand:
– issue a heating demand for the heating zone 1
– issue a heating demand for the heating zone 2 (if multizone
mode is selected)
– issue a domestic hot water demand (if DWH tank is con-
nected)