6
Alpha CD25X/28X
The clock allows you to set the times at which the boiler will operate to provide central heating. It does not affect the supply
of domestic hot water, which is always available whatever the setting of the clock.
1. TO SET THE TIME
Turn the outer dial clockwise to set the clock hands to
the correct time.
(Ensure the time indicator corresponds with the correct
time on the 24hr dial as shown in Fig. 2,
e.g. 3.00pm = 15 not 3).
NOTE: Do not rotate the dial anti-clockwise
2. TO SET THE ON/OFF PERIODS
Select the ON times by pushing the tappets out.
Select the OFF times by pushing the tappets in.
Fig. 2 shows the clock set as follows:-
ON
3.00pm
to 10.00pm (15 - 22)
OFF
10.00pm to 5.00am (22 - 5)
ON
5.00am
to 8.00am (5 - 8)
OFF
8.00am
to 3.00pm (8 - 15)
3. MANUAL SWITCH
The clock has a manual On/Off switch which operates as follows:-
Mid position
Heating On/Off as set by the tappets
Position
I
(right)
Heating On continuously
Position 0 (left)
Heating Off continuously
Fig. 2
9 GAS SAFETY REGULATIONS
10 CLOCK (if fitted)
Current Gas Safety (Installation and Use) Regulations:-
It is the law that all gas appliances are installed and serviced by a competent person, i.e. Gas Safe registered personnel.
Failure to install or service appliances correctly could lead to prosecution. It is in your interest and that of safety to ensure
compliance with the law. The manufacturer's instructions must not be taken in any way as over-riding statutory obligations.
The Benchmark Checklist must be fully completed by the installer on installation of the boiler. The Benchmark Checklist is
shown in Section 12 of the Installation and Servicing instructions. All Gas Safe registered installers carry a Gas Safe ID card
and have a registration number. Both should be recorded in the Checklist. You can check your installer is Gas Safe registered
by calling Gas Safe on 0800 4085500.
