User Manual

ManualsBrandsGoogle Nest ManualsCentral heatingLearning Thermostat - Smart thermostat - Black

Y-plan

L

N

Zone valve Hot water tankBoiler

12 V

3 A

230 V AC/50 Hz

N L 1 2 3 4 5 6 OT1 OT2 T1 T2

WLN

2

1

Com

GRBL O

Input power

Wiring specs

23