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AQUA ECOLOGIC | instructions for use, maintenance and installation | September 2015
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12.1. SAFETY VALVE
It is set up under the lid of the stove on the pressure line. Input connection is R1/2". It opens with water
pressure of 2.5 bar. You can get to it by removing the right lateral side, when you are looking at the stove.
The output safety valves whose connection protrudes through the rear wall above the pressure line should
be put into the sewer pipes.
12.2. CIRCULATION PUMP
A high-quality Wilo RS 25/6
– circulation pump has been built into the stove on the return line of R1”. The
power of the pump is 93W. It is turned on and off by the electronics by the set water temperature.
The pump shaft has to be in a horizontal position. For this reasons, when connecting with the installation
make sure that the pump does not turn around! Firmly hold galvanized bolt at the end of the back side.
You can reach the pump by removing the left lateral side, when you are looking at the stove.
Note:
If the stove and the pump have been idle for a long time (a month, for example), the pipe shaft can stick to
the base, it may not move the water, or it can burn out. If when starting the stove when the water in the
boiler heats up the water pump does not start, if the radiators do not heat up when the set temperature is
reached, if you do not hear the murmur of water (moving), or if the boiler temperature rises and radiators
are not warming, remove the left lateral side as indicated in the previous paragraph, and get to the pump.
Put a cloth under the pump and using a flat screw driver with the tip width of 5 - 7mm, unscrew the short
screw from the front of the pump. There will be a little bit of water coming from the pump, which is normal.
Push the screw driver into the opening of the pump, reach the groove of the pump shaft and rotating the
screwdriver and the shaft to the right and left break in the pump shaft. Put the pump screw back in its place
into the opening of the pump and tighten it. Make sure that the rubber from under the screw does not come
out.
12.3. AUTOMATIC AIR VALVE
There is an automatic air valve on the pressure line under the lid. It is suppose to drain the air out from the
boiler.
You can get to it by removing the right lateral side, when you are looking at the stove.
The cap valve must be loose, not tight, so that the air can come out of the boiler and installations
smoothly.
12.4. EXPANSION VESSEL
There is an expansion vessel built into the stove with a volume of 10 litres. Its function is to stabilize the
pressure in the boiler and in the heating installation. The factory set pressure in the vessel is 1 bar.
12.5. CHARGING AND DISCHARGING TAP
As its name says, this is a charging and discharging tap.
It is located in the back side, down.
The input connec
tion is a R1/2”, while the output has an extension for the hose.