15SBi & 24SBi SYSTEM BOILERS TWIN CHANNEL DIGITAL PROGRAMMER INSTALLATION & OPERATING INSTRUCTIONS General information is given in the users instruction leaflet despatched with the appliance and/or on the lighting instruction plate fitted to the appliance. THESE INSTRUCTIONS APPLY IN THE UK ONLY THESE INSTRUCTIONS...
Gas Safety (Installation and Use) Regulations 1998: All gas appliances must be installed by a competent person, in accordance with the above regulations. Failure to install the appliance correctly could lead to prosecution. The manufacturers notes must not be taken, in any way, as overriding statutory obligations. IMPORTANT: Read these instructions carefully in order to get the best from your appliance.
PROGRAMMER OPERATING INSTRUCTIONS TO SET PRESENT TIME AND DAY Set right switch to RUN. Press HR & MIN buttons together (until colon stops flashing) After 15 seconds the colon will start flashing again signifying the settings cannot be changed. Repeat this step if you still want to set time and day.
Set right switch to DHW. The display shows weekdays Mon...Fri and the first standard on-time (programme step 1) Press HR & MIN buttons for your required first on time for the week. Press Display shows the first standard off-time (programme step 2) Press HR &...
To advance HW mode, press ADV once. To advance CH mode, press ADV twice. When a channel is ‘advanced’ the will change to on (or off). PERMANENT ON Right switch must be in the RUN position. Set left slide switch to For permanent HW demand, press ADV once For permanent CH demand, press ADV twice.
WORCESTER HEAT SYSTEMS LTD (Bosch Group) Cotswold Way, Warndon, Worcester WR4 9SW. Tel: 01905 754624 Fax: 01905 754619 www.worcester-bosch.co.uk This booklet is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued improvement. All goods sold are subject to our official Conditions of Sale, a copy of which may be obtained on application 8 716 115 024a (05/08)