Technical data

CTC EcoZenith i250

Installation

14.13 Component list, wiring diagram

No. Component.

A1 Display

A2 Relay/main card

B1 Primary flow sensor 1

B2 Primary flow sensor 2

B5 Upper tank sensor

B6 Lower tank sensor

B7 Return sensor

B11 Room sensor 1

B12 Room sensor 2

B15 Outdoor sensor NTC 150

B 46 Sensor external tank – Differential thermostat function.

COM HP Communication heat pump G51 = Brown cable, G52 = white cable, G53 = green cable.

E13 Backup heating thermostat E13

F1 Automatic circuit breaker 10 A

F2 Automatic circuit breaker HP 10 A

F10 Max. thermostat

G1 Radiator pump 1

G2 Radiator pump 2

G11 Charge pump 1

G46 Charge pump external tank – Differential thermostat function

H H-tank Main tank (EcoHeat/EcoZenith i250)

K1 Contactor 1

K2 Contactor 2

K19 Pressure/level switch

K20 Night red/circulation/extra DHW

X1 Terminal block, incoming supply

X10 Terminal block, HP supply Black connector

Y1 Mixing valve 1

Y2 Mixing valve 2

Y11 Non return valve

Y21 Diverting valve DHW

Y22 Diverting valve DHW

Y98 Expansion tank

Y99 Expansion tank