Worcester Comfort+ II RF Installation And Operating Instructions Manual page 15

Restoring the factory settings (Reset all)
The Reset all menu item restores the factory settings for all
settings in the service menu. The factory settings can be found
under the relevant menu item description.
▶ Turn the selector to select Reset all.
▶ Press the selector.
NO flashes.
▶ Turn the selector to select NO or YES.
▶ Press the selector.
If YES is selected, the factory settings are restored for all
settings in the installer menu. Four lines appear one by one
on the display until the reset is complete. If NO is selected,
a reset is not performed.
Heat.circuit
This menu item allows the installer/service engineer to set the
maximum flow temperature for the heating in order to increase
the efficiency of the heating system. The default setting is
85 °C.
▶ Turn selector to select Heat.circuit.
▶ Press the selector.
▶ Press the selector.
Max. flow is displayed.
▶ Press the selector.
The temperature flashes.
▶ Turn selector to select the required temperature for the
heating system requirements.
▶ Press the selector.
▶ Press the key to return to Heat.circuit.
Reading out Fault history
▶ Turn the selector to select Maintenance.
▶ Press the selector.
▶ Press the selector to display Boiler faults.
Heat source faults are displayed here and at the heat
source. The control unit may be far away from the heat
source. It may therefore be helpful to view the faults of the
heat source at the control unit.
▶ Press the selector to display the first five faults with fault
code and event date. Turn the selector to scroll through the
display. If there were no faults, No fault is displayed.
▶ Press key to return to Boiler faults.
▶ Turn selector to select Cont. faults.
▶ Press the selector to display the first five faults with fault
code and event date. Turn the selector to scroll through the
display. If there were no faults, No fault is displayed.
▶ Press key to return to Cont. faults.
▶ Press the key, to return to Fault history.
▶ Turn the selector to select Maintenance or press
to return to Maintenance.
Comfort+ II RF – 6720886122 (2018/07)
Maintenance
Landlord
▶ Call technical customer service to find out how to set the
service display or contact telephone number.
This menu item is only for council housing tenants. It allows a
date to be set for annual service/maintenance.
The service display Maintenance appears as a reminder 30
days before the scheduled date.
A contact telephone number is shown together with service
display.
The tenant should call this number to arrange a suitable
maintenance date with the landlord.
If the service display is not cleared or reset by the service
engineer, the control unit limits the room temperature 14 days
after the maintenance date to the reduced set value set at the
device. Otherwise the central heating and DHW functions are
set.
System info
▶ Turn the selector to select System info.
▶ Press the selector to display Install.date.
▶ Press the selector to display the installation date.
▶ Press the selector to return to Install.date.
▶ Turn the selector to select SW controller.
▶ Press the selector to display the program version of the
control unit.
▶ Press the selector to return to SW controller.
▶ Press the
Radio settings - connecting/disconnecting
The control unit and key are connected at the factory in the
delivered condition and detect each other automatically
when switching on.
If the wireless devices still have to be connected, this must be
done at the same time (Key  Chapter 7.1).
To connect the wireless devices, both the control unit and key
must be disconnected beforehand (Key  Chapter 7).
▶ Make sure that the control unit is positioned as described in
Chapter 7 and that the wireless signal is not diminished by
metal objects nearby.
It is advisable to find a position with good signal strength
key
installing the control unit on the wall.
Settings in the service menu (installer)
key to return to System info.
15