This control adjusts the maximum domestic hot water temperature. If adjusting the control upwards appears to have no effect on the temperature, then the boiler is already operating at full output for the selected flow rate.
The needle on the pressure gauge should be within the green band between 1 and 1. If the needle displays a value below 0. Alternatively, your installer should be called to refill the system. Use of the boiler without water may cause damage to the boiler or its components. When the warmstart system is switched ON the boiler will automatically light periodically to maintain the internal temperature of the boiler.
When the warmstart system is switched OFF a short delay may be experienced in obtaining hot water at the tap.
Now select the required temperature, e. The boiler will now provide instantaneous delivery of hot water directly when a hot water tap is turned ON.
The " " is NOT now illuminated. Reset the hot water temperature control knob to the desired setting, e. Irrespective of whether the warmstart facility is switched ON or OFF, the boiler will automatically operate to provide hot water whenever a hot water tap is opened.
On closing the tap the boiler switches OFF or continues to operate for central heating if required. The pump and fan will continue to operate for a short period. We recommend the following settings: - Left setting during spring and autumn, - Middle setting during mild winter, - Right setting during cold winter. When the temperature is adjusted, the boiler display will show the corresponding water temperature.
This information appears on the display for about 5 seconds and then the display returns to its normal state current heating flow temperature e. Ask your installer! The boiler will now operate automatically to provide central heating for the conditions selected on the external controls ecoMAX series will also provide domestic hot water on demand. Whilst the boiler is operating, the boiler display indicates the temperature of the water within the boiler circuit.
After the boiler stops operating the pump and fan will continue to operate for a short period to fully disperse the heat from the boiler. The boiler incorporates an anti-cycling economiser control to prevent energy wasteful ON and OFF operation of the boiler for short periods when in the central heating mode. When turning the room thermostat to a higher setting there may therefore be a short delay before the boiler operates.
The display 2 now shows the corresponding status code, e. Please refer to table B. During changeover phases, such as when the system restarts after the flame has been extinguished, the "S" status message is displayed briefly.
Display Meaning S. STOP Attention! If the boiler still shuts off after a third attempt, then please consult your installer or Vaillant Service Solutions. The boiler can only be placed back in operation after the heating system has been properly refilled with water. In the unlikely event of any other fault developing, which prevents the boiler from operating, the display will also show other fault codes.
If a fault code is displayed please contact your installer or Vaillant Service Solutions. If contacting Vaillant Service Solutions please remember to quote the fault code, as this will help to pinpoint the fault. Plumbing Forms. Carry Cases. Boulter Buderus. Heatline Spares. ICI Caldaie. Saunier Duval. Worcester Bosch. Control Box. Expansion Vessel. Oil Filters.
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B Interesting ecomax problem Hi guys. This one's an interesting one and I would like to see a few different replies and which ones are mostly the same answer.
Okay then.
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