Technical data
105
CTC EcoZenith i550 Pro
For the installer
(G1) Circulation pump, radiator system 1
230V 1N ~
Connected on the circuit card/
block:
Phase: pole A31
Zero: pole A33
Earth: pole PE
Check that the pump is correctly connected by test running it in menu
Installer/Service/Function test
in the control system.
(G2) Circulation pump, radiator system 2
230V 1N ~
Connected on the circuit card/
block:
Phase: pole A36
Zero: pole A34
Earth: pole PE
Check that the pump is correctly connected by test running it in menu
Installer/Service/Function test
in the control system.
(G3) Circulation pump, radiator system 3 / Alternatively
circulation pump for CTC EcoComfort (Cooling), accessory
230V 1N ~
Connected to the expansion card
X6/terminal block:
Phase: X6 pole 15
Zero: X6 pole 17
Earth: X6 pole 16
Check that the pump is correctly connected by test running it in menu
Installer/Service/Function test
in the control system.
(G6) Circulation pump, flue gas controlled
230V 1N ~
Connected to the expansion card
X7/terminal block:
Phase: X7 pole 21
Zero: X7 pole 23
Earth: X7 pole 22
Check that the pump is correctly connected by test running it in menu
Installer/Service/Function test
in the control system.










