4 x Set-up and installation
FA ROTEX HPSU compact 4 - 06/2015
21
4.4.2 Position of the circuit boards
4.4.3 Connection assignment, circuit board A1P
The A1P circuit board comes pre-connected to the unit. No as-
sembly or connection work is necessary on the A1P circuit board!
4.4.4 Terminal assignment for the RTX-AL4 circuit
board
4.4.5 Terminal assignment for the RTX-EHS circuit
bo
ard
1 Control housing
2 Control panel
3 Control section of the control
Fig. 4-8 Overview circuit boards (inter
nal housing)
Fig. 4-9 Circuit board A1P (basic control of the heat pump)
Fig. 4-10 Circuit board RTX-AL4 (interface)
Fig. 4-11 Circuit board RTX-EHS (Backup Heater) - see section 4.4.14