Tab.16 Electrical connections inside the boiler (A)
X1–A
Electrical power supply 230 V — 50 Hz
1: Earthing connector
2: L (230 V)
3: N
X2–A
Pump
1: Earth connection
2: L (230 V)
3: N
X3–A
3-way valve
1: L (CH) 230 V — Heating circuit opening command
2: L (DW) 230 V — Domestic water circuit opening command
3: N — Common
X4–A
Pump PWM signal
X5–A
Sensor connection
HS: domestic water request
RS: heating circuit water return
DS: heating circuit water flow
FS: flue gas
WPS: hydraulic pressure switch
ST: safety thermostat
X6–A
Boiler PCB and control panel connection (electrical connection board)
X13–A
Not used
X14–A
Connection L-BUS
Tab.17 Electrical connections to be made to the boiler (B)
X1–B
Electrical power supply 230 V — 50 Hz
1:
Earthing connector
2: L (230 V)
3:
N
X4–B
Room thermostat/timer (230V)
X6–B
Not used
X7–B
Solar probe connection
X8–B
On-Off/R-Bus - Room thermostat connection (the jumper must be REMOVED to connect a device)
X9–B
Service connection (SERVICE)
X13–B
Connection L-BUS
X14–B
Outside sensor connection (OS)
J
Dip-Switch
1: Maximum heating temperature OFF = 80°C - ON = 45°C (floor system)
2: OFF = Maximum output (heating) - ON = Boiler output 50% (heating)
3: DO NOT ADJUST
3 Technical specifications
20
7696317 - 1 - 21032018
Содержание Combi 200
Страница 81: ...14 Appendix 7696317 1 21032018 81...
Страница 82: ...14 Appendix 82 7696317 1 21032018...
