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User's
Instructions
Alpha HE CB25/33 and HE SY25
Wall Mounted, Fan Assisted, Room Sealed, Gas Fired,
High Efficiency Condensing Boiler Range
For Technical help or for Service call ...
ALPHA HELPLINE
Tel: 0870 3001964
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
Service Listed
Alpha HE CB25 G.C. No. 47 532 25
Alpha HE CB33 G.C. No. 47 532 26
Alpha HE SY25 G.C. No. 41 532 07
For use with Natural Gas only
Leave these instructions with the User
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Summary of Contents for Alpha Boilers Benchmark HE CB33
- Page 1 User's Instructions Alpha HE CB25/33 and HE SY25 Wall Mounted, Fan Assisted, Room Sealed, Gas Fired, High Efficiency Condensing Boiler Range For Technical help or for Service call ... ALPHA HELPLINE Tel: 0870 3001964 Nepicar House, London Road, Wrotham Heath, Sevenoaks, Kent TN15 7RS Service Listed Alpha HE CB25 G.C.
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Page 2: User Controls
DESCRIPTION The Alpha HE Range of boilers are wall mounted, fan assisted room-sealed boilers. The HE CB25 and HE CB33 are combination boilers providing both central heating and domestic hot water at mains pressure. The HE SY25 is a system boiler providing heating only for sealed central heating systems. -
Page 3: Boiler Controls
BOILER CONTROLS 1. CENTRAL HEATING THERMOSTAT This thermostat controls the temperature of the water leaving the boiler for the heating system. For maximum output from the radiators the thermostat should be turned fully clockwise i.e. maximum output. If lower heating temperatures are required, turn the thermostat anti-clockwise. -
Page 4: Lighting Instructions
LIGHTING INSTRUCTIONS Refer to Fig. 1a or 1b for boiler controls. Ensure the following:- a. Electrical supply to the boiler is off. b. All heating controls and thermostats are set to OFF or minimum position. c. All isolation valves at the bottom of the boiler are in the open position (slot on the spindle in line with the valves i.e. d. -
Page 5: Important Notes
USING A SHOWER - HE CB25/33 only Thermostatic or pressure equalising type - When using these types of shower set the boiler domestic hot water thermostat to maximum. The shower should then maintain a relatively constant temperature. Manual bath mixer type shower - When using this type of shower set the boiler domestic hot water thermostat to setting 7, This should avoid excessive temperatures at the shower. -
Page 6: Gas Safety Regulations
GAS SAFETY REGULATIONS 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. CORGI 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. - Page 7 10 FAULT FINDING FOR THE USER If you experience a problem of no heating or hot water, try to solve the problem by following the simple checks below before calling out a service engineer. Pull the controls panel cover forward and down to gain access to the controls. Alpha HE CB/SY...
- Page 8 Alpha Therm Limited. Nepicar House, London Road, Wrotham Heath, Sevenoaks, Kent TN15 7RS Tel: 0870 3001964 email: info@alphatherm.co.uk website: www.alpha-boilers.com Manual compiled and designed by Publications 2000 - Tel: (01670) 356211 These instructions have been carefully prepared but we reserve the right to alter the specification at any time in the interest of product improvement.
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