Technical data

110
CTC EcoZenith i550 Pro
For the installer
(G50) and (G51) Circulation pumps, pool
230 V 1N~
Both pumps (G50) & (G51) are connected to the following terminal blocks:
Pumps pool (G50) and (G51), expansion card X7:
Phase: pole 33
Zero: pole 35
Earth: pole 34
Pole 33 is connected to an external connection box which distributes voltage to
the charge pump (G50) and circulation pump (G51).
Check the function by test running the pump in menu
“Installer/Service/Function
test”
in the control system.
(Y1) Mixing valve, bivalent, radiator system 1
230V 1N ~.
1.5 m cable 1.5 mm², neutral, open, close.
Connected on the circuit card/block:
Black cable Open: pole A27
Brown cable Close: pole A28
Blue cable Zero: pole A29
Red cable Limit position: pole A22
White cable Limit position: pole A21
Check that the open and close signals are correctly connected by testing the
motor in menu
“Installer/Service/Function test” in the control system.
(Y2, Y3) Mixing valves, radiator systems 2-3.
(Y3) Optional mixing valve for CTC EcoComfort (cooling).
230V 1N~
1.5 m cable 1.5 mm², neutral, open, close.
The mixing valve motors are connected to the PCB/terminal block.
(Y2) Mixing valve 2
Open: pole A15
Close: pole A16
Zero: pole A17
(Y3) Mixing valve 3 / Optional Mixing valve 2 in CTC EcoComfort.
Expansion card X6
Open: X6 pole 12
Close: X6 pole 13
Zero: X6 pole 14
Check that the open and close signals are correctly connected by testing the
motor in menu
“Installer/Service/Function test” in the control system.