Room Thermostat Connection - Ariston GENUS 23 MFFI Installation Instructions Manual

2.10 Room Thermostat
Connection
1
B
A
4
E
B004
In order to perform this procedure, remove the boiler casing as indicated in
section 3.2. Then proceed as follows:
1 Remove the two screws "A" in order to remove the cover, release the two
clips "B" and lift and rotate down the control panel box.
2 Open the cover "C" on the left hand side of the compartment.
3 Insert the wire for the connection of the room thermostat into the cable
clamp "D", as indicated in photo 3.
2
4 Remove the grommet "E" shown in the photo 4, make a hole in it and pass
the room thermostat wire through.
5 Remove the link located in the terminal block and connect the wire.
6 Replace the grommet and the terminal block to their original positions, close
the cover on the grommet compartment and fasten the wire-clamp "D" in
place.
7 If a remote time clock is to be fitted, disconnect the integral time clock plug
from the P.C.B.
8 Using a volt-free switching time clock, connect the switching wires from the
time clock following points 1-6 above.
9 If using a time clock and room thermostat, these must be connected in
series as per points 1-8 above.
Note: Only a two-wire type room thermostat can be used.
For details on fitting the D.H.W. probe (Genus 27 RFFI only),
please consult the separate instruction sheet supplied with the
probe.
An anti-frost device is built-in to the appliance's electronic
regulation system.
5
3
D
C
6
D
15