Technical data

6
What heating and hot water control
options does Worcester offer?
Simple-to-operate mechanical timer range
There are a number of comprehensive, easy-to-use controls for Greenstar gas- and oil-fired boilers.
All fascia mounted controls offer simple plug-in connection to the boiler circuit board.
Sophisticated digital and wireless programmers
and room thermostats
MT10 mechanical timer
The simplest Worcester control device – an easy-to-use analogue clock
for setting heating time periods. It plugs into the boiler fascia via a pre-
prepared plug and socket.
MT10RF mechanical RF thermostat
Has an analogue display for setting night and day time periods and
temperature. The receiver plugs into the boiler and is activated remotely
by the RF (radio frequency) controller, which requires no wiring. So
installation is clean and simple – no disturbance to floorboards or carpets.
Nor is there any need for a separate room thermostat.
DT20RF digital RF thermostat with twin channel programmer
As with the DT20, this features convenient automatic set-up and is very
simple to operate. The timer plugs into the boiler and offers up to 3 different
time periods a day, with the room thermostat (no separate thermostat
required) providing the temperature control. This device also has all the
no-wiring benefits of the MT10RF. Twin-channel function: when used with
a Greenstar condensing system boiler, the second channel gives you 3 time
periods for hot water. If used with a Greenstar condensing combi boiler,
it times the keep hot function.
DT20 twin channel digital programmer
Plugs into the boiler fascia panel and sets automatically to current time, date
and day, and adjusts automatically as appropriate in line with British summer
time. There are 3 separate time periods for both heating and hot water. Use
either the built in pre-set programme, or choose your own settings.