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2.11
ELECTRICAL
CONNECTIONS
Each. module. is. supplied. with. a. power.
cord. which,. if. replacement. is. required,.
2.11.1 Wiring diagram single generator (fig. 11)
TPA
V
PI
OP (24 VAC)
RS-485 (24 VAC)
KEY
F1-2.
Fuse.(4.AT)
TRA.
Ignition.transformer
PI.
System.pump
V.
Fan
EA..
Ignition.electrode
ER..
Detection.electrode
EV1-2.
Gas.valve.coil
TS.
Safety.thermostat
SF..
Sensor.fumes
TFU..
Thermal.fuse
SM.
C.H..flow.sensor
SR.
C.H..return.sensor
TPA.
Pressure.transducer
For the range 0 ... 10VDC:
- Remove the jumper JP1
- Connect the positive signal at terminal 10 of CN6
- Connect the negative signal at terminal 4 of the CN4.
54
must.be.ordered.from.SIME.
230V. –. 50. Hz. single. phase. voltage. is.
required. using. a. fuse. protected. main.
switch. with. at. least. 3. mm.. between.
contacts..Observe.the.L.–.N.polarity.and.
EV 1-2
ER
EA
JP1.
Selection.TA2.or.0-10.VDC
TA1.
Zone.1.environment.thermostat
TA2.
Zone.2.environment.thermostat
SB/SA.
Antifreeze.siphon.sensor
CR.
Remote.control.CR73.(optional)
SE.
External.sensor.(optional)
OP.
Programming.clock.(optional)
AR.
Remote.alarm
VZ.
Zone.valve
AUX.
Auxiliary.connection
RS-485. CASCADE/MODBUS.board
NOTE: Connect TA1 to the clamps 7-8
after having removed the bridge.
grounding.connection.
NOTE: SIME shall not be liable for any
damages to persons and things due to
lack of boiler grounding.
SR (5 VDC)
SM (5 VDC)
TS (24 VDC)
TA1 (24 VRAC)
TA2 (24 VRAC)
TRA
CONNECTOR SPARE PART CODES:
CN1
CN2
CN3
CN4
CN6
CN7
CN10
CN12
CN13
CN14
SF (5 VDC)
TFU
SE (5 VDC)
CR
SB/SA
(5 VDC)
0...10 VDC
code.6319162
code.6319168
code.6319164
code.6316203
code.6316202
code.6316204
code.6319165
code.6319166
code.6319167
code.6319169
Fig..11
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