Grasslin Towerchron QM2 - QM2 System Wiring: Two Port Valve Configuration

EN
17
Gravity Hot Water / Pumped Heating System - Two Port Valve in D�H�W� with Room and
Cylinder Stats
Note: Only valves with “change over“ end switches are suitable�
TOWERCHRON QM2
EARTH
NEUTRAL
LINE
CYLINDER STAT
VALVE
ROOMSTAT
PUMP
BOILER
EARTH
NEUTRAL
COMMON
DEMAND
EARTH
COMMON
DEMAND
GREEN/YELLOW
BLUE
BROWN
GREY
WHITE
ORANGE
EARTH
NEUTRAL
LINE
SWITCHED LIVE
REFER TO BOILER
MANUFACTURER
N L 1 2 3 4
N
N
N