Worcester GREENSTORE Instruction Manual page 29

Commissioning/Ser vice
Set when the electric heater should be activated, if necessary. On delivery the heat
pump is set to activate the heater when necessary. Choose between yes or no. If no
is chosen, the electric heater only engages during alarms, extra hot water and hot
water peaks.
The Fast restart function avoids having to wait for the normal restart time to start
the heat pump. If there is a need for heating or hot water the heat pump starts
within 20 seconds. The setting must be repeated each time a fast restart is made.
Wait approximately 5 minutes after switching off the compressor before activating
Fast restart of the heat pump, to allow the cooling circuit time to equalise pressure.
In the menu 5.7 set whether the heat pump, additional electric heater and hot water
charging should be controlled externally. When the external input on the control
unit is short circuited one of the following choices can be made:
0 : No effect (factory setting).
1 : HP, electric heater and hot water stop.
2 : HP no effect, electric heater and hot water stop.
3 : HP and hot water no effect, electric heater stops.
4 : HP and electric heater no effect, hot water stops.
Select the language required for the menu texts. The default is English.
The heat pump is set for continuous operation of the heating system pump on
delivery. In systems with a bypass, you can choose whether the heating system
pump starts and stops with the compressor.
Choose whether the heat transfer fl uid pump shall run continuously or start and
stop with the compressor. The heat transfer fl uid pump should in normal mode
always start and stop with the compressor.
Select this menu to see the version number of the control unit.
Confi rm the extra sensors T3 (GT3), T4 (GT4) and T5 (GT5) that are connected
externally. On confi rmation, the control unit stores information about the sensors to
be used.
29
Commissioning the heat pump
Commiss./Service
Select function
add.heat yes/no 5.5
Return Select
Commiss./Service
Fast restart
of heat pump 5.6
Return Select
Commiss./Service
Select external
controls 5.7
Return Select
Commiss./Service
Selection of
language menu 5.8
Return Select
Commiss./Service
Select operation
alt. for P2 5.10
Return Select
Commiss./Service
Select operation
alt. for P3 5.11
Return Select
Commiss./Service
Display software
version number 5.12
Return Select
Commiss./Service
Extra sensor/Anode
in operation. 5.13
Return Select