Accessoryc - Ariston Type C Installation And Servicing Instructions

2.10. A C
CCESSORY
F . 2.9
IG
IMPORTANT!!
Only remove the links from SP and TA if they are to be
connected to external controls.
CR
CN6
F . 2.11
IG
ONNECTION
SP
TA
F . 2.10
IG
SE
US
IMPORTANT!!
Before carrying out any repairs to the appliance always
ensure that the external power supply has been isolated.
The boiler will remain live even when the ON/OFF knob is
in the "O"(off) position.
In order to gain access to the external control connections, it is
first necessary to remove the casing (as shown in Section 3.2)
then proceed as follows:
1. Remove the cover of the main PCB box (F
2. Access can now be gained to the following connector (see
Section 2.11):
CN10 - Safety thermostat for underfoor heating
CN 9 - Room Thermostat
CN 11 - Time clock
CN 6 - Interface PCB
CONNECTION OF ROOM THERMOSTAT OR EXTERNAL
TIME CLOCK
a. - Insert the thermostat cable through the cable grommet and
fasten it by means of the cable-clamp provided.
b. - Connect the thermostat wires to the terminal block
CN9 (Fig. 2.12 - Diagram A).
c.- If a remote time clock is to be fitted, disconnect the
integral time clock from the P.C.B. CN11
d. - Using a volt-free switching time clock, connect the
switching wires from the time clock following points 1-4
above (Fig. 2.12 - Diagram B).
e. - If using an external time clock and room thermostat,
these must be connected in series as points 1-7 above
(Fig. 2.12 - Diagram C).
CONNECTION OF INTERFACE PCB (optional)
The Interface PCB allows for the connection of:
REMOTE CONTROL - Clima Manager
External sensor
Secondaty outlet (*)
*
( ) = The secondary outlet can be used for the connection of the
following accessories:
- Zone valve
- LPG valve
- Secondary Pump
When connecting one of the above accessories it is
necessary to modify the E E parameter on the Parameter
Menu (see Section 3.6.1)
2.9).
IG
F . 2.12
IG
15