Alpha CD25C 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 CD25C Specifications

General

Manufacturer	Alpha
Model	CD25C
Category	Boiler
Type	Condensing
Output	25 kW
Weight	32 kg
Mounting	Wall-mounted
ERP Rating	A
CH Output	25 kW
DHW Output	25kW
Flow Rate	10.2 l/min
Fuel	Natural Gas
Warranty	5 years

Summary

Boiler Controls

CENTRAL HEATING THERMOSTAT

Controls the temperature of 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

PRESSURE GAUGE

Boiler Status and Operation

INDICATOR NEONS

OVERHEAT THERMOSTAT

Describes the safety feature that switches the boiler off if it overheats.

PRESSURE RELIEF VALVE

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

FROST THERMOSTAT

LIGHTING INSTRUCTIONS

Step-by-step guide for safely starting and operating the boiler.

Important Notes and Regulations

BOILER LOCATION AND CLEARANCES

MAINS SUPPLY FAILURE

SERVICING

GAS LEAK

Procedure to follow in case of a suspected gas leak: turn off supply, no switches.

ELECTRICAL SUPPLY

Gas Safety and Clock Operation

GAS SAFETY REGULATIONS

Legal requirements for installation and servicing by competent persons.

CLOCK (if fitted)

TO SET THE TIME

TO SET THE ON/OFF PERIODS

Fault Finding

FAULT FINDING FOR THE USER

Simple checks to solve problems before calling a service engineer.