What to do if my Vaillant eco TEC plus 415's heating system is not full of water?
If the heating system of your Vaillant Boiler is not full of water or the design pressure is not attained, ensure the heating system is full of water and the system design pressure is attained. If it's not, refill and vent the system. Also, ensure any flow and return isolating valves are fully open.
What to do if domestic hot water temperature is set to minimum on my Vaillant eco TEC plus 415?
If the domestic hot water temperature is set to minimum on your Vaillant Boiler, set the domestic hot water temperature to maximum. Note: This applies only if additional Vaillant accessories are fitted.
What to do if the external electricity supply to my Vaillant Boiler is off?
If the external electricity supply to your Vaillant Boiler is off, verify that the external electricity supply is on and that a supply of 230 V~ is present between the boiler terminals ‘L’ and ‘N’.
What to do if the gas supply to my Vaillant eco TEC plus 415 Boiler is off?
If the gas supply to your Vaillant Boiler is off, check that the gas supply to the boiler is on, that it has been correctly purged, and that an inlet pressure is present.
What to do if external controls of my Vaillant Boiler are off?
If the external controls of your Vaillant Boiler are off or not functioning, check that all external controls are on and calling for heat. If no external controls are fitted, boiler terminals 3 and 4 must be linked.
General| Model | eco TEC plus 415 |
|---|---|
| Category | Boiler |
| Output | 15 kW |
| Fuel Type | Natural Gas |
| ErP Rating | A |
| Mounting | Wall-mounted |
| Warranty | 5 years |
| Efficiency | 89.3% |
| Boiler Type | Combination |
Critical warnings, danger symbols, and precautions for safe operation.
Procedures and safety precautions for connecting the gas supply.
Instructions for wiring the boiler to the mains electrical supply.
Essential checks and system preparation before boiler startup.
Verifying gas pressure and purging the supply line.
Step-by-step guide for the automated boiler ignition process.
Routine tasks for ensuring the boiler's long-term performance and safety.
A systematic method for diagnosing and resolving operational faults.
Identifying and understanding specific error codes indicating faults.
Critical safety precautions before replacing any boiler components.
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