5 . C H A N G I N G T H E M A S T ER / D EF A U L T S ET T I N G S .
There are various master / default settings that can be changed by entering the default settings.
To enter these settings, turn off the thermostat by
pressing the
button. Then press and hold the
button for 3-5 seconds until the A1 appears on the screen
. You are now in settings mode and if
you don’t press any button for 5 seconds the display reverts back to off mode.
Press
button to switch to next option and press
or
buttons to adjust the data.
If you wish
to exit the settings without waiting 5 seconds press the
button.
No.
Setting Options
Data Setting Function
Default
A1 Temperature calibration
-9⁰C to +9⁰C in 0.5⁰C steps. (Can be used to
tune temperature reading so it matches another
thermostat)
0⁰C
A2
Differential between set point
and On and Off
0.5⁰C - 2.5⁰C in 0.5⁰C steps.
0.5⁰C
A3 Remote sensor differential
1⁰C - 9⁰C in 1⁰C steps.
2⁰C
A4 Temperature sensor used
N1= Built in temperature sensor.
N2= Remote temperature sensor.
N3= Do NOT use. Select either N1 or N2.
N3
See Note A
below
A5 lock settings
0 = half lock 1 = full lock
0
A6
Maximum set point of remote
sensor.
5⁰C - 45⁰C
27⁰C
A7
Minimum set point of remote
sensor.
1
⁰C - 10⁰C or
(
= Not active)
5⁰C
A8
Minimum set point of internal
sensor.
1⁰C - 10⁰C
5⁰C
A9
Maximum set point of internal
sensor.
20⁰C - 45⁰C
30⁰C
AA Power Cut function.
0 = Power heating as per controller memory.
1 = Shut down controller after power cut.
2 = Shutdown heating but turn controller on
after power cut.
0
AB
Programming selection
0 = 5 + 2 (same settings Mon-Fri + Sat-Sun)
1 = 6 + 1 (same settings Mon-Sat + Sun)
2 = 7 (different settings each day Mon-Sun)
0
AC Window Opening detection
= Not active
10 - 20⁰C = Sudden drop set point at which
heating turns off.
AD Window Opening OFF period
5 - 40 minutes (only if AC above is set to a
temperature and not
).
10
AE Factory Reset
Press & hold
key until whole screen shows.
If you Factory Reset please ensure you set A4
above correctly otherwise the thermostat will
give you an error message.
NOTE A
– Unit supplied with sensor set to N1 (internal sensor) BUT if you perform a “Factory reset” this will need to be reset from N3
back to N1 or N2.
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