
113
CTC EcoLogic Pro/Family
For the installer
10.2.2 Heating circ pumps (G1, G2, G3, G4)
230 V 1N~
The heating circ pumps are connected to the following terminal blocks:
(G1) Heating circ pump 1
Phase:
pole A31
Zero:
pole A33
Earth:
pole PE
(G2) Heating circ pump 2
Phase:
pole A36
Zero:
pole A34
Earth:
pole PE
(G3) Heating circ pump 3, expansion card X6*
Phase:
pole 15
Zero:
pole 17
Earth:
pole 16
(G4) Heating circ pump 4, expansion card X7*
Phase:
pole 21
Zero:
pole 23
Earth:
pole 22
Check that the pump is correctly connected by test running it in menu
“Installer/Service/Function test” in the control system.
10.2.3 Charge pumps, VPA1/VPA2 (G11, G12)
230V 1N~
Charge pumps G11 and G12 can be controlled from CTC EcoLogic, while
the system’s other charge pumps (G13 to G20) are controlled from their
respective heat pumps (VPA3 to VPA10).
NOTE!
The colours of the cables when connecting the charge pumps to the
terminal block vary depending on the pump model.
Charge pumps 1 and 2 can be connected to a PCB/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
*Applies to the CTC EcoLogic PRO only.
!
If charge pump G11
is used for the flow
heater, the control
signal must be taken
from CTC EcoLogic.
Содержание CTC EcoLogic Family series
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