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3.1.3 Heating&Cooling Circuits:
This heat pump unit can control two totally different heating/cooling circuit, as shown in the drawing.
Temperature setting can be made via menu Heating & Cooling Circuit 1 and Heating & Cooling Circuit 2.
Of course, if only one circuit is needed, heating&cooling circuit 2 in system drawing can be omit, and leave
the “Heating&cooling Circuit 2 under heating&cooling circuit 2 set to OFF:
3.1.4 Heating & Cooling Circuit 1
Control of Mixing Valve 1(MV1):
If system water temperature may higher(lower) than temperature that are need for circuit 1 in heating (cooling)
operation, then a mixing valve can be add to circuit 1, and connected to MV1 port in indoor unit.
Unit will control the mixing valve, mix the supply and return water of circuit 1 to have the temperature read via
sensor TV1 get to value set under menu Heating & Cooling Settings circuit1.
If so, TV1 under menu ““Heating & Cooling circuit1” should be activated under installers level:
3. Installation
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