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Remeha E-HP AW 88 Cool Ace B Manual

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1. Install a flow switch to make sure that there is sufficient flow before
you start the heat pump.
2. Install a fitting for filling and rinsing in the heating circuit.
3. Fill the buffer, if applicable.
4. Fill the heating circuit.
5. When filling the heating circuit, leave time for accumulated air to
escape the system.
6. Close the filling and draining valve.
7. If the heat pumps are installed in a location higher than the heating
system, install proper air bleed devices, preferably in the return line to
the heat pump. This prevents a lack of flow due to air in the
installation.
7 Commissioning
7.1 Check list before commissioning
Check if all the following steps are done before commissioning the device:
The heating circuit is flushed, filled and deaerated.
A free flow of water in the system is guaranteed.
The condensation drainage is installed.
The compressor is connected with a right rotating field.
The fans are rotating in the correct direction (pushing air into the
machine).
The space near the air inlet and air outlet is free.
The settings of the flow switches are adjusted properly to the device.
All electrical connection cables are connected and protected.
All screws are tightened.
The heating system is protected against freezing.
The main switch is set to ON.
The earth conductor resistance and the isolation resistance should be
tested for compliance with local rules and regulations. The tests must be
repeated according to the intervals applicable on site or according to the
local rules and regulations about commissioning and recommissioning.
Use a PE conductor of at least 10 mm2 cross section.
7.2 Commissioning procedure
7.2.1 Bleeding the system
The hydraulic system must be pressurized to 2 bar, and importantly: there
must be no air in the system. Before operating the heat pump, fill the
hydraulic system to the appropriate pressure, and make sure all the air
has bled from the system. The heat pump is ready for use when the
system pressure is correct and all the air has escaped from the system.
8 Operation
8.1 Use of the controller
Use the controller to commission and operate the device. The controller
can be installed inside near the building switching board or near the heat
pump as long as it is weather protected.
To operate active cooling, see the manual of the controls.
7 Commissioning
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