4
221895A
Setting the Clock - Diagram 2
1. With both AUTO and RUN switches set to the central
position, press R reset button, the display will flash.
2. Set RUN switch to .
To Light the Boiler
1. Check that all four isolating valves are open, the levers in line
with the valve body, see diagram 3.
2. Open the controls cover door and familiarize yourself with the
controls, see diagram 4.
3. CAUTION. A sealed pressurised system must be filled and
pressurised by a competent person. (Optional extra filling loop
kit No. 457120).
Only operate the boiler when you are sure that the system has
been filled and pressurised. Check this by looking at the
pressure gauge “A”, it should read 0.7bar minimum.
0
I
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
the 1st (ON) preset programme and the symbol
.
2.
Set day of week to be programmed by pressing the
DAY button.
Note: The days can be selected individually or as
groups:
Mon-Fri., Mon-Sat., Mon-Sun., Sat/Sun.
An arrow will be displayed under the day
or days selected.
3.
Set time of day by pressing the buttons HR and MIN.
4.
Press button P to confirm programmes, the
display will indicate the 2nd (OFF) preset programme
and subsequently, 3rd, 4th, 5th, 6th, 7th, 8th.
5.
Repeat procedures 2, 3 and 4 until desired
programmes are set.
Note. It is not a requirement to use the 8 on/off
programmes.
6.
Set the RUN switch the central position, your
appliance will now operate at the programmed times.
General Notes.
With the AUTO switch in the I position the central
heating will operated constantly ON.
With the AUTO switch in the O position the central
heating will not operate.
Soft Override button indicated by the
symbol
, this function will override the current
central heating programme for the next available.
ON time programmes are indicated by the symbol
.
3. Set day of week by pressing button DAY.
4. Set time of day by pressing buttons HR and MIN.
5. Set RUN switch to the central position, colon will flash, this
indicates the clock is set.
With the clock set, the factory preset programme shown below
will operate.
Setting Timed Programmes
With the clock set to the correct time, see SETTING THE
CLOCK paragraphs 1-4, and then continue as follows:
1.
Set RUN switch to P , the display will indicate
Setting Instructions for Electro/mechanical
Clock - if fitted
This clock has a twenty four hour dial, that is, 1pm is 13.
To set the time, turn the whole face clockwise until the pointer
is against the time of day.
To set any “Off” time, push the tappets outwards.
To set any “On” time, push the tappets inwards.
Time can be set either “On” or “Off” in fifteen minute segments.
Note. The clock supplied could be fitted with an override device,
see diagram 1, which switches the clock programme “On” or
“Off” permanently.
The switch will need to be repositioned to resume programmed
working.
Diagram 1
OVERRIDE
SWITCH
POINTER
TAPPETS
CLOCK FACE
CONSTANT OFF
PROGRAMMED
CONSTANT ON
0
I
6938
Setting Instructions for the 7 Day Digital
Clock/Timer
This is a 24 hour clock/timer, that is 1pm is 13:00, and has 8
“ON” and 8 “OFF” daily switching actions.
It is fitted with a lithium battery back up which protects the
programme in the event of an electrical failure. The battery
should have a life of several years.
Instructions for Use
Diagram 2
6939
MON/FRI
ON -
06:30
OFF -
08:30
ON -
16:30
OFF -
22:30
SAT/SUN
ON -
07:00
OFF -
09:00
ON -
16:00
OFF -
23:00
AUTO
RUN
M T
W Th F S Su
P
DAY
HR
MIN
P
R
I