Brand: Alpha
Category: Boiler
Manual Type:
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Manual for E-Tec 28
Uploaded: April 8, 2025, 1:40 p.m.
Manual Publish Date: 2017-01-01
Warranty Summary
To maintain the boiler guarantee, annual servicing by a Gas Safe registered engineer is essential and the boiler needs to be registered within one month of installation to instigate the guarantee.
Operating Modes:
- Standby: Frost protection and pump circulation active, no hot water or heating.
- Off: Boiler is off, no function.
- On: Can be switched between Summer and Winter settings.
Settings:
- Summer: Hot water only when tap is turned on.
- Winter: Heating and hot water operation, heating based on controls, hot water has priority.
Temperature Adjustment:
- Hot water temperature adjustable via buttons (4 & 5 in Fig. 1).
- Heating temperature adjustable via buttons (6 & 7 in Fig. 1).
- With external weather sensor, heating adjusts automatically (scale 1-9 displayed).
Filling System:
- Ensure system is filled and pressure is in green band (1-1.5 bar) when cold.
- Use filling loop to pressurize, bleed radiator if overfilled.