Ariston microGENUS HE 32 MFFI Technical Information download pdf (Page 19)

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

to unscre

w the fastening screws

“A” of the control panel

located on the lower part of the panel itself.

The control panel moves downward and when pulled

forward rotates on two lateral hinges.

The panel sta

ys in a horizontal position, which allows

access to the inner parts of the boiler.

To dismantle the front casing panel it is necessary to:

1 - Remove the two screws “B”;

2 - Move the front casing panel up and lift forward.

2.12 REMOVING THE FRONT PANEL

To connect a room thermostat, it is necessary to:

1. - Open the control panel as indicated in

SECTION 2.12.

2.- Remove the screws “A” from the terminal block on

the reverse of the control panel.

3.- Insert the thermostat cable through the cable

grommet and fasten it by means of the cable-clamp

provided.

4. - Connect the thermostat wires to the terminal block

(Diagram A).

5.- If a remote time clock is to be fitted, disconnect the

integral time clock from the P.C.B.

6. - Using a volt-free switching time clock, connect the

switching wires from the time clock following points 1-

4 above

(Diagram B).

7. - If using an external time clock and room thermostat,

these must be connected in series as points 1-7

above

(Diagram C).

Note: Only a low voltage room thermostat capable of

volt free switching must be used.

Factory fitted integral wiring must not be

disturbed when wiring external controls.

Do not run low voltage cables alongside

supply cables.

2.13 ROOM THERMOSTAT CONNECTION

FIG. 2.22

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 57 58

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Ariston microGENUS HE 32 MFFI Technical Information Page 19