Oilon RE 35, Installation And Operation Manual

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18 (67) RE01 1445EN
Make an approximately 1 m deep service well on top of the heat well. Connect the
service wells to one shared collector well using insulated pipes. One of the drilled wells
can also operate as a collector well. Fluid from collector well is led to the heat pump
well through two insulated pipes.
The minimum pipe diameters for the collector well are listed in the following table.
Model Pipe diameter
RE 35, RE 42 and RE 55 63 mm
RE 70 and RE 85 75 mm
2.4.2. Heating circuit piping
Some examples of heating circuit piping options are presented in the following.
Heat pump with desuperheater and buffer tank
PI RE ver. 6
1 heat pump A desuperheater out
2 buffer tank B desuperheater in
3 heating circuit C condenser out
BX11temp.sensor, supply water D condenser in
BX1 temp.sensor, buffer tank middle part E domestic hot water out
BX2 temp.sensor, buffer tank lower part F domestic hot water circulation
BX8 temp.sensor, buffer tank upper part G domestic cold water in
BX9 temp.sensor, outdoors