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2.7. 1
Accessories
completing
installation
The complete range of accessories requi-
red for this type of installation is shown in
fig. 12.
WARNING:
W i t h t h i s k i n d o f i n s t a l l a t i o n , t h e
smoke saf e ty thermos t at kit code
8089815 is required to protect the
smoke channel if there is a diameter
60 exhaust pipe. Refer to the wiring
diagram in fig. 13.
2.8.2
Wiring diagram
KEY
EV1 Gas valve coil
EV2 Gas valve coil
EA
Ignition electrode
ER
Sensing electrode
TS
100°C safety stat
V
Fan
TPA Water pressure transducer
2.8
ELECTRICAL CONNECTION
The boiler is supplied with an electric cable.
Should this require replacement, it must be
purchased exclusively from SIME.
The electric power supply to the boiler must
be 230V - 50Hz single-phase through a
fused main switch, with at least 3 mm spac-
ing between contacts. Respect the L and N
polarities and the earth connection.
NOTE:
SIME declines all responsibility for injury
or damage to persons, animals or things,
resulting from the failure to provide for
proper earthing of the appliance.
P
Pump
VP
Divertor valve
SE
External sensor (optional)
TA
Room stat
SM
C.H. sensor (blue)
TL
Limit stat
TR
Transformer 230 - 24V
FL
Flowmeter
2.8. 1
Room stat connection
To gain access to the TA-CR-SE (J2) elec-
tronic board connector, remove the control
panel cover and connect the room stat to
the terminals 4-5 after having removed the
jumper (fig. 13). The thermostat or timer-
thermostat, recommended for better room
temperature control, must be class II as
specified by standard EN 60730. 1 (clean
contact).
WARNING: Applying mains voltage to the
terminals of board TA-CR-SE will irrepara-
bly damage the control board. Make sure
that any connections to be made are not
carrying mains voltage.
SS
D.H.W. sensor (red)
CR
Logica Remote Control (optional)
SV
Ventilator board
OP
Time programmer
TF
Smoke stat (if fitted)
Note: The room stat must be con-
nected to the terminals 4-5
Fig. 13
7
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