The company reserve the right to alter size, shape and specification without prior notice
TMS-UT-0804-Z01-4
page 12
5.2. Choose type of heating (radiator or under floor heating)
Factory default is for radiators.
To change to under floor heating, follow instructions below
.
1. Disconnect from mains supply
2. Remove front cover of boiler.
3. Remove perspex control panel cover (prize off with
screwdriver down channels at either side)
4. Remove control panel, (Push up from bottom and pull
out. Pull out whole of panel, there should be no need
to disconnect any wires connected to control panel)
5. Remove black plastic shroud at rear of control panel
by undoing 2 cross headed screws.
6. Control switches for heating curves are in the position
circled in the image to the right.
7. Default setting for radiators is as shown
for under floor heating change to
8. Replace black plastic cover. Re-fit control panel. Re-fit panel protector. Re-fit the boiler front cover.
1
4
2
3
ON
OFF
Function
Pin 1 – ON
Set heating type to under floor, curves from 0.1 to 0.9 are active, minimum boiler
temperature is set to 15ºC, maximum boiler temperature is set to 45ºC
Pin 1 – OFF
(Factory settings)
Set heating type to radiator, curves from 1 to 3 are active, minimum boiler temperature is set
to 25ºC, maximum boiler temperature is set to 90ºC
Pin 2 – ON
Disable outdoor temperature compensation, user must manually select temperature in boiler
Pin 2 – OFF
(Factory settings)
Enable outdoor temperature compensation, default curve for radiator heating is 1.5 and 0.6
for under floor heating
Pin 3
Used during manufacturing process
Pin 4
Used during manufacturing process
5.2.1 Hybrid Systems combining radiator and UFH.
If the boiler is to be used to heat a hybrid system i.e. wet radiator system and under floor heating no alterations
should be made to the factory setting. In this situation a blending valve should be fitted in the under floor heating
manifold to reduce the flow temperature to maximum 50C.
