Fonderie SIME LOGO 22 OF, Installer'S Instructions

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2.6.3 External temperature sensor
connection (fig. 6 pos. C)
The cables must be placed in compliance
with the specifications for safety low voltage
EN 60730. For lengths up to 25 m use
cables with a section of 0.25 mm 2 and for
lengths up to 50 m use cables with a section
of 0.5 mm 2 . To have access to the connector
of the boiler (3) remove the control panel
cover and electrically connect the external
temperature feeler to the terminals SE (8-9).
2.6.4 D.H.W. sensor “BT130 - BT150”
connection
The “BT130 - T150” tanks come with a
D.H.W. sensor (SB) to be connected to the
J2 connector (3 fig. 6)
When the tank unit is matched to boilers
“22 OF - 32 OF” , introduce the sensor in
the sheaf on the inspection, control and
cleaning flange of the tank.
2.6.5 Wiring diagram
J7 J5
J4
J3
J2
KEY
TR
Transformer 230 - 24V
TRA Ignition transformer
P
C.H. circulating pump
PB D.H.W. circulating pump
EA Ignition electrode
ER Sensing electrode
EV1 Gas valve coil
EV2 Gas valve coil
TS
Safety stat 100°C
PG Gas pressure switch
TF Smoke safety device
M Modulator
TPA Water pressure transducer
SM
C.H. sensor (blue)
SB D.H.W. sensor
SE External sensor (optional)
CR Logica Remote Control (optional)
TA Room stat
OP Time programmer
Note: When connecting the room stat
remove the bridge between the termi-
nals 5-6.
vers. LOGO 22 OF - 32 OF
CONNECTOR SPARE PART CODES:
J2 code 6278613
J3 code 6278642
J4 code 6278628
J5 code 6278643
J7 code 6278626
vers. LOGO 32/50 - 32/80 OF
CONNECTOR SPARE PART CODES:
J2 code 6278613
J3 code 6278629
J4 code 6278628
J5 code 6278627
J7 code 6278636
Fig. 7