Ariston UNO Instrukcja instalacji - Strona 16

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3.2

ONTROL

ANEL

EGEND

A - Central heating selection (winter) and temperature

adjustment knob

B - Ignition failure (lockout) L.E.D. (red)

C - On/Off/ Reset knob

D - Fume sensor L.E.D. (yellow)

E - Domestic hot water temperature adjustment knob

F - On/Off L.E.D. (green)

G - Heating system pressure gauge

In the event that the red L.E.D. "B" and the yellow L.E.D. "D" light

together, this is due to the water pressure in the system being too

low or a lack of water circulation.

Every time the boiler is turned on the three L.E.D's "B", "D" and "F"

will light for approx. 1 second.

3.3

EMOVING THE

RONT

ANEL

3.4. I

NITIAL

TART

In order to access the inside of the boiler, it is necessary to:

1- Unscrew the two screws "A" on the top of the boiler

2- Remove the screws beneat the boiler (see below), rotate the case catches

inwards

3- Gently pull the side panels away from the boiler and pull forward to remove the

casing panel.

HE CHECKS TO BE RUN BEFORE INITIAL START

1. Make sure that:

the screw on the automatic air valve has been loosened when the

system is full;

If the water pressure in the system is below 0.7 bar, bring it up to the

appropriate level;

Check to see whether the gas cock is closed;

Make sure that the electrical connection has been made properly and

that the earth wire is connected to an efficient earthing system;

Supply power to the boiler by turning the On/Off switch "C" (see F

in the position "I" - the L.E.D. "F" will illuminate - turn the selector knob

"A" to the winter /central heating position. This will start the circulation

pump. After 10 seconds, the boiler will signal a shutdown due to ignition

failure. Leave the boiler as it is until all of the air has been bled from the

lines.

Loosen the cap on the head of the pump to eliminate any air pockets;

Repeat the procedure for bleeding the radiators of air;

Open the taps for a brief period;

UP ARE AS FOLLOWS

. 3.0

.3.0)