EN
13
“TOWERCHRON QM2”
Applications (QM2)
• Fully pumped central heating systems
using mid position valves, spring
return valves or “power open”,
“power closed” valves�
• Gravity hot water, pumped heating
systems with or without motorised
valves tted into the domestic hot
water primary circuit�
• Unit, as supplied is suitable for
gravity hot water systems� For use on
pumped primary systems, separate
the backplate from the unit by
slackening the securing screw and
remove the red pin in the back of the
programmers chassis�
ON
OFF
OFF
CH
CH
HW
HW
TIMED
CONST.
OFF
TIMED
CONST.
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