Sime MURELLE HE 50 R Manual De Usario página 85

2.7 BOILER ELECTRICAL (fig. 11)
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.
JP1 Selection TA2 or 0-10 VDC
TA1 Zone 1 environment thermostat
TA2 Zone 2 environment thermostat
SB/SA D.H.W. sensor L. 2000 (optional)
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.
SR (5 VDC)
SF (5 VDC)
SM (5 VDC)
TS (24 VDC)
SE (5 VDC)
SB/SA
(5 VDC)
TA1 (24 VRAC)
TA2 (24 VRAC)
CONNECTOR SPARE PART CODES:
CN1 code 6319162
CN2 code 6319160
CN3 code 6319164
CN4 code 6316203
CN6 code 6316202
CN7 code 6316204
CN10 code 6319165
CN12 code 6299991
CN13 code 6319161
CN14 code 6319163
CN18 code 6319147 (M)
ES
PT
ENG
Fig. 11
85