Accessoryc; Room Thermostat; A Ccessory C Onnection - Ariston ecoCOMBI 27 MFFI Installation And Servicing Instructions

F . 2.7
IG
2.10. A
CCESSORY
C
ONNECTION
M1
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
lower the control panel (as shown in Section 3.2) then proceed as follows:
1. Remove the service cover on the control panel (F
2. Pierce the grommett 'M1' (F
through before connecting to the terninals.
3. Connect any external controls to their respective connections as shown in (F
SE - E
XTERNAL
SP - U
NDERFLOOR
F . 2.8
IG
CR - R
EMOTE
TA - R
OOM
US - S
ECONDARY
IMPORTANT!!
Only remove the links from SP and TA if they are to be connected to external
controls.
SE
F . 2.9
IG
. 2.9) and pass any cables for the external controls
IG
S
ENSOR
H S T
EATING AFETY HERMOSTAT
C
ONTROL
T
HERMOSTAT
O ~230V÷50H
UTLET Z
SP CR
2.8).
IG
(Secondary Pump, L.P.G. Valve etc.)
TA
. 2.10).
IG
US
F . 2.10
IG
11