TP9000  
28
To change  between °C and °F scaling
Press  V and - together to toggle between °C and °F temperature 
scaling. 
Thermostat mode (Heating mode only)
a)  A constant temperature of between 5-30°C can be selected if 
required. This can provide frost protection for periods away from 
home, it can also be used to provide untimed higher temperatures 
if, for example, a family member is sick.
b) Press Λ  and  V together to enter thermostat mode. The default 
setting is 5°C, but this can be reprogrammed, see User Advanced 
Programming, step 10, (page 34).
c) A frost protection symbol (snowfl ake in a 
shield) will appear in the display when the 
selected temperature is equal to or less than the 
programmed frost protection setting.
d) Use the Λ or V buttons to change the temperature away from the 
programmed frost protection temperature to another value.
e)  To return to automatic programming press both Λ and V together.
f)  Alternately, Thermostat mode can be accessed via the MODE 
button (see page 31)
Changing the clock forwards and backwards
This is handled automatically, however, if the manual changeover has 
been selected (User Advanced Programming step 3 on page 34) follow 
the instructions below.
To change from Summer to Winter  (clocks back)
With clock display showing, press and hold - button until time moves 
back.
To change from Winter to summer (clocks forward)
With clock display showing, press and hold + button until time moves 
forward.