Technical data

106
CTC EcoZenith i550 Pro
For the installer
(G11, G12, G13) Charge pumps, VPA1, VPA2 and VP A3
230 V 1N~
The charge pumps can be controlled by the EcoZenith.
NOTE: The colours of the cables when connecting the charge pumps to the
terminal block vary depending on the pump model.
The charge pumps can be connected to the circuit card/terminal block:
(G11) Charge pump 1
WILO Stratos TEC
Relay output 8 A A12
PWM+: blue G46
GND: brown G45
GRUNDFOS UPM GEO 25-85
Relay output 8 A A12
PWM+: brown G46
GND: blue G45
(G12) Charge pump 2
WILO Stratos TEC
PWM+: blue G48
GND: brown G47
GRUNDFOS UPM GEO 25-85
PWM+: brown G48
GND: blue G47
(G13) Charge pump 3
WILO Stratos TEC
PWM+: blue G75
GND: brown G76
GRUNDFOS UPM GEO 25-85
PWM+: brown G75
GND: blue G76
Check that the pump is correctly connected by test running it in menu
“Installer/Service/Function test” in the control system.