28
Press the SET? button until you see SET CLOCK?.
Set the hour
Press YES once, and then the hour will start to flash. Use the
– and + buttons to set the hour, checking for AM and PM.
Set the minute
Press SET?, and the minutes will start to flash. Use the – and +
buttons to set the exact time.
Press SET?, and ‘SET DATE?’ appears in the display.
If you don’t want to change the date press SET? to go back to
normal operation. If you do, go on to the next section.
SETTING THE DATE
The weekday is automatically calculated from the date, so if
the weekday is incorrect you’ll need to reset the date.
Press the SET? button until you see SET DATE?.
If you haven’t already arranged for a service, you should
contact your service engineer immediately.
SETTING THE CLOCK AND DATE
Applicable to all models.
SETTING THE CLOCK
The clock in your programmer has been set at the factory,
and automatically accounts for British Summer Time.
However, should you need to set the clock, read on.
Press SET?, and you’ll see OFF1, the end of your first central
heating period. Adjust this in the same way, press SET?, then
repeat the procedure for ON2, OFF2, ON3 and OFF3.
LP722Si
7-DAY ELECTRONIC PROGRAMMER Cont...
When you press SET? after setting OFF3 for the weekday central
heating, the display will ask ‘SET HW MON to FRI PROG?’.
Press YES, then set your hot water times in the same way.
Remember, in this mode you can have different times to your
central heating if you wish.
If, after you’ve set OFF3 for your hot water, you want to fine-tune
one or more weekdays, press SET? until you find the first day
you want to adjust – then go through the procedure, altering any
time you wish. Press SET? to move on to the next day. When
you’ve finished, press SET? until you see ‘SET SAT SUN
PROG?’.
If you don’t want to alter any individual days, keep pressing
SET? until you see ‘SET SAT SUN PROG?’.
Press YES and the display will ask ‘SET CH MON to FRI
PROG?’.
Press YES, and you’ll see ON1, the start of your first central
heating period. Adjust it in 1-minute steps using the – and +
buttons. If the – and + buttons are held down, the time changes
in 10-minute steps.
LWC3 Junction Box
Pump
Boiler
Room Thermostat
Cyl. Thermostat
Programmer
Mains Input
230V
1
2
3
4
5
6
7
8
9 10 11 12
L
N
E
Refer to Boiler Handbook
for wiring detailsof Pump
Overrun boilers. Use boiler
manufactures instructions.
*
Room Thermostat
