Wall mounted, fan assisted, room sealed,
gas fired, high efficiency condensing system boiler (65 pages)
Summary of Contents for Alpha Alpha HE25
Page 1
User's Instructions Alpha HE25 and HE33 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...
The Alpha HE25 boiler is suitable for central heating loads of between 14.5 and 25.0 kW (49 500 and 85 300 Btu/h). The Alpha HE33 boiler is suitable for central heating loads of between 19.7 and 33.2 kW (67 200 and 113 300 Btu/h).
The boiler has a built-in frost thermostat, which automatically operates the boiler if the water temperature falls below 8°C, providing the electrical supply is on and the selector switch is set to position (1) or position (2). Alpha HE25 and HE33...
Fully opening a hot tap may not always provide the maximum temperature as the flow rate may be too high, try closing it slightly until the maximum temperature is achieved. Depending on your mains water pressure, it may not be possible to operate several hot taps at the same time. Alpha HE25 and HE33...
The terminal on the outside wall must not be allowed to be obstructed. If it is damaged, in any way, turn the boiler off and contact your Service Engineer. Note: The Alpha HE boilers are high efficiency boilers and when operating vapour will be emitted from the terminal. This is safe and quite normal.
- Check that the gas supply is on. If the light continues to come on after resetting The Serial No. of the boiler is on the inside - Contact the Alpha Helpline of the hinged cover. Alpha HE25 and HE33...
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