Position Of The Printed Circuit Boards And Terminal Strips; Mains Connection; General Information On The Electrical Connection; Connecting The Heat Pump Outdoor Unit - Daikin Altherma 3 H HT ECH2 O Referenzhandbuch Für Den Monteur

3.7.2 Position of the printed circuit boards and
terminal strips
Fig. 3-35

Position of the printed circuit boards and terminal strips

(for the legend, see
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 in-
stalled 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 controller housing (see
5 Insert the cable through one of the cable glands into the interior
of the controller housing. When cutting and laying cables to be
connected, make sure that the controller housing can be brought
into the service position without any tension.
Daikin Altherma ETS(X/H)(B)-D
Heat pump (indoor unit) with integrated heat accumulator
008.1447299_00 – 06/2019 – EN
Chap. 9.3)
Chap. 3.4.4).
3
Fig. 3-36 Cable gland
6 Make electrical connections according to
following sections.
7 Effective strain relief in the controller housing by means of cable
ties must be ensured for all cables connected to the indoor unit
(steps 1 – 3, Fig. 3-37).
Fig. 3-37 Establishing and checking the strain relief
8 Check the holding force of the strain relief (step 4,
9 After the installation is complete: Close the controller housing
again and, if necessary, move it to the normal position.
3.7.5

Connecting the heat pump outdoor unit

INFORMATION
A separate manual containing instructions about installa-
tion and operation is included with this component.
1 Follow the installation steps in
2 Connect the heat pump outdoor unit to terminal strip XAG1 (see
Fig. 3-38).
Set-up and installation
Chap. 3.7.1 and the
Fig. 3-37).
Chap. 3.7.4.
Installer reference guide
23