7.1 Connecting the power supply

About this task

Do not connect power to the heat pump before the collector and charge circuit are filled with heat collecting liquid and water. Otherwise, the pump, compressor or protective devices may get damaged.

Procedure

  1. Route the power supply cable to the control unit.
    A lead-through is reserved for the cable both from the top of the heat pump and from the ventilation room below. If the supply cable comes from above, bend the cable to the control unit according to the cable manufacturer’s instructions. For the installation dimensions of the lead-through on top of the heat pump, see section Heat pump pipe outputs.
  2. Tighten the bushing seal to ensure that the cable is not strained.
  3. Attach the cable to the rail of the control unit.

Results

Figure 1. Routing the power supply cable from the top and bottom
Parent topic: Carrying out electrical installations