To Connect The Changeover To External Heat Source - Daikin Altherma 3 WS Installation Manual

1 Top panel
2 User interface panel
3 Front panel
4 Installer switch box cover
5 Main switch box cover
2 Connect the alarm output cable to the appropriate terminals as
shown in the illustration below. Make sure to put wires 2 and 3
between the installer switch box and main switch box in a cable
sleeve (field supply) so that they are double insulated.
2
1+2
1
X2M 14a 21
b
a
2 3
A4P Y2 YC
1 2
2×
EWSAH/X06UDA9W
Daikin Altherma 3 WS
4P675760-1 – 2021.10
5
Wires connected to the alarm
output
3 Wire between the installer
switch box and main switch
box
a Installation of EKRP1HBAA is
required.
b Cable sleeve (field supply)
1×
b
1×
1
4
2
3
1×
1×
a
3 Fix the cable with cable ties to the cable tie mountings.
5.10 To connect the changeover to
external heat source
INFORMATION
Bivalent is only possible in case of 1 leaving water
temperature zone with:
▪ room thermostat control, OR
▪ external room thermostat control.
Wires: 2×0.75 mm²
Maximum load: 0.3 A, 250 V AC
Minimum load: 20 mA, 5 V DC
[9.C] Bivalent
1 Open the following (see
1 Top panel
2 User interface panel
3 Front panel
4 Main switch box cover
2 Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
5 Electrical installation
X2M
3
2
1
b
YC
Y2
"3.2.1 To open the indoor
Installation manual
unit" [ 4 7]):
1
2
4
3
21