Alpha CD35C User Manual

User's
Instructions
Alpha CD25C/28C/35C
Alpha CD25C G.C. No. 47 532 31
Alpha CD28C G.C. No. 47 532 33
Alpha CD35C G.C. No. 47 532 35
British Gas
Service Listed
For use with Natural Gas only
Leave these instructions with the User
Range of Wall Mounted, Fan Assisted, Room Sealed,
Gas Fired, High Efficiency Condensing Combination Boilers
0051
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0870 3001964
website:www.alpha-innovation.co.uk

Alpha CD35C Specifications

General

Type	Combi
Output	35 kW
Fuel Type	Natural Gas
Efficiency	93%
Weight	32 kg
Mounting	Wall-mounted
ERP Rating	A
Max Working Pressure	3 bar
Flow Rate	14.1 l/min

Summary

Boiler Description and Specifications

Central Heating Thermostat

Controls the temperature of the water leaving the boiler for the heating system.

Domestic Hot Water Thermostat

Controls the temperature of the domestic hot water leaving the boiler.

Selector Switch Functionality

Allows the boiler to provide central heating and hot water or hot water only.

Boiler Controls and Indicators

Indicator Neon Meanings

Overheat Thermostat Operation

Automatically switches the boiler off in case of overheating.

Pressure Relief Valve Safety

Action to take if steam or water is discharged from the valve.

Frost Thermostat Function

Important Notes and Safety

Boiler Location Clearances

Electrical Supply Requirements

Gas Safety Regulations

Fault Finding for the User

Troubleshooting Indicator Lights

Guides users on diagnosing issues based on indicator neon behavior.

Checking System Pressure

Guidance for low system pressure issues.

Verifying Electrical Supply

Checking Heating Controls

Confirming Gas Supply

Contacting Alpha Helpline