To Connect The Changeover To External Heat Source - Daikin ETBH16E9W Installer's Reference Manual

9.3.8 To connect the changeover to external heat source

EPRA14~18D + ETBH/X16E
Daikin Altherma 3 H HT W
4P644736-1D – 2023.10
1 Front panel
2 Switch box cover
3 Switch box
2 Connect the space cooling/heating ON/OFF output cable to the appropriate
terminals as shown in the illustration below.
2 1
X2M 7 9
A4P Y2 YC
A
B
C
B
X2M
A4P
a Installation of EKRP1HBAA is required.
3 Fix the cable with cable ties to the cable tie mountings.
INFORMATION
Bivalent is only possible in case of 1 leaving water temperature zone with:
▪
room thermostat control, OR
▪
external room thermostat control.
1+2 Wires connected to the space
cooling/heating ON/OFF output
3 Wire between X2M and A4P
A4P Installation of EKRP1HBAA is
3
required.
A
Y2 7
C
7 9
X1M
YC
9 Electrical installation
|
2
1
X2M
A4P
Y2
a
Installer reference guide
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