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Position Of The Pcbs And Terminal Strips; Mains Connection; General Information On The Electrical Connection; Connecting The Heat Pump Outdoor Unit - Daikin Altherma 3 R ECH2O Installation Und Betriebsanleitung

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  • DEUTSCH, seite 39
3.7.2

Position of the PCBs and terminal strips

  3‒32 Position of the PCBs and terminal strips
a
Switch box
b
Switch box cover
A1P
PCB (heat pump basic control)
RoCon+ B1
Controller control panel
RoCon BM2C
PCB (basic controller module)
RTX-EHS
PCB (backup heater)
X1
Terminal strip for backup heater mains connection
XAG1
Heat pump outdoor unit plug connection
XTA1
Outdoor temperature sensor terminal strip T
3.7.3

Mains connection

A flexible cable for the mains connection is already connected inside
the device.
1 Check the supply voltage (~230 V, 50 Hz).
2 Disconnect the junction box of the domestic installation.
3 Connect the cable for connecting the indoor unit to the mains to
the domestic installation's junction box (isolator according to
EN  60335-1) via an all-pole separating main switch to be
installed in the building. Ensure that the polarity is correct.
3.7.4
General information on the electrical
connection
1 Check the supply voltage.
2 Set the mains switch to "Off".
3 Switch off the circuit breaker in the junction box of the domestic
power supply.
4 Open the switch box (see
"3.4.4 Open the switch
5 Insert the cable through one of the cable glands into the interior
of the switch box. When cutting and laying cables to be
connected, make sure that the switch box can be brought into
the service position without any tension.
Daikin Altherma EHS(X/H)(B)-D
Daikin Altherma 3 R ECH₂O
008.1451099_00 – 07/2020
  3‒33 Cable gland
6 Make electrical connections according to
connection
7 Effective strain relief in the switch box by means of cable ties
must be ensured for all cables connected to the indoor unit and
their holding force checked.
A
  3‒34 Establishing and checking the strain relief
box" [ 4  14]).
8 After the installation is complete: Close the switch box again
and, if necessary, move it to the normal position.
3.7.5
INFORMATION
A
installation and operation is included with this component.
1 Follow the installation steps in
electrical
2 Connect the heat pump outdoor unit to the XAG1 terminal strip.
3 Set-up and installation
diagram" [ 4  22] and the following sections.

Connecting the heat pump outdoor unit

separate
manual
containing
"3.7.4 General information on the
connection" [ 4  23].
Installation and operating manual
"3.7.1  Overall
instructions
about
23

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