97
connect.the.climate.control.to.the.termi-
nals.CR.(6-7).
ATTENTION:
External voltage cannot be connected
to terminals 1-2-3-4 of the base (2). To
terminals 3-4, the telephone remote
control switch of the telephone may be
connected with a zero potential contact
or window contact.
A type of electronic instrument for the
control of civil plants via a telephone
line, which may be mentioned, is the
model TEL 30.4 LANDIS & STAEFA.
2.6.3 External temperature sensor
connection (fig. 6 pos. C)
The. cables. must. be. placed. in. complian-
ce. 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.con-
trol. 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
