Technical data

109
CTC EcoZenith i550 Pro
For the installer
(G43) Circulation pump, external storage tank charging
230 V 1N~
The circulation pump is connected to the following terminal blocks: (G43)
circulation pump, expansion card X7:
Phase: X7 pole 27
Zero: X7 pole 29
Earth: X7 pole 28
Check that the pump is correctly connected by test running it in menu
“Installer/Service/Function test” in the control system.
(G45) Circulation pump, external storage tank discharging
230 V 1N~
The circulation pump is connected to the following terminal blocks: (G43)
circulation pump, expansion card X7:
Phase: X7 pole 30
Zero: X7 pole 32
Earth: X7 pole 31
Check that the pump is correctly connected by test running it in menu
“Installer/Service/Function test” in the control system.
(G44) Circulation pump, external boiler
230 V 1N~
The circulation pump is connected to the following terminal blocks: (G44)
Circulation pump, expansion card X7:
Phase: X7 pole 25
Zero: X7 pole 26
Relay output X7 pole 24
Check that the pump is correctly connected by test running it in menu
“Installer/Service/Function test” in the control system.