Temperature Control; High Limit Thermostat - Worcester DANESMOOR UTILITY 12-14 User Instructions & Customer Care Manual

Fig. 2.
TEMP
Low
Setting
The control knob has a range of adjustment as indi-
cated by the symbols.
6

TEMPERATURE CONTROL

trol over the water temperature in your central
heating radiators, and you can adjust it to any
position within the indicated range (as shown in
Fig. 2).
tors and rooms will reach the required tempera-
ture quicker. The ideal setting varies from property
to property, and can only be established by trial
and error and experience: a setting of medium to
high should serve as a good initial guide.
High
set below the first indicating bar (55°C).
Setting
HIGH-LIMIT THERMOSTAT
Your boiler is fitted with two high limit thermostats to protect
the appliance in the event of a control or system malfunction. The
first overheat thermostat is designed to cut out at a lower temperature
than the manual reset overheat thermostat, and will reset itself when
the boiler cools to a safe operating level.
The manual reset thermostat will operate if the boiler reaches a
dangerous temperature. This will have to be reset by pressing the
button located underneath the control box. (See Fig. 1).
If the overheat thermostat persistently cuts out then your boiler
requires attention and you should call either your installer or a serv-
ice engineer.
LOCKOUT
A flame failure device is incorporated into the control system
of your boiler. So, should the flame fail for any reason, or should
ignition fail to initiate a satisfactory start, the boiler is automatically
locked out for safety. This lockout condition is indicated by a sig-
nal lamp located on the burner control box.
To cancel the burner lockout condition, remove the boiler
front cover and allow two minutes before pressing the illuminated
lockout reset button, which is mounted on the burner control box.
The temperature control knob gives you con-
Higher settings obviously mean hotter radia-
PLEASE NOTE: The control knob must not be