4
All models
Sw
1
5/2 day programming 7 day programming
Sw
2
Optimum start contoller enabled Optimum start contoller disabled
Sw
3
Chrono-proportional control On/Off control
TP7000, M & RF models with 3/6 cycles per hour option
Sw
4
Chrono-proportional, 6 cycles / hour Chrono-proportional, 3 cycles / hou
Installation
DIL Switch Settings
GB - Installation Instructions
First remove the wallplate from the back of the unit
From the top left hand corner of the wallplate, there
must be clearances of at least 140mm to the right,
15mm to the left, 30mm above and 100mm below in
order to mount the plug-in module.
Before mounting the unit ensure the 4 DIL switches
on the rear of the unit have been moved to the
required settings (see below). Factory preset is 7-day,
with Optimum Start and Chrono-proportional control OFF.
NOTE
Use Chrono 3 for high thermal inertia systems, e.g. fl oor standing cast iron boilers
Use Chrono 6 for low thermal inertia systems, e.g. low water content boilers and
combi boilers
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