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Electrical installation
Installer reference guide
104
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
A
Y2
7
B
A
B
7 9
X2M
A4P
Y2
YC
X1M
a
b
a
Installation of EKRP1HBAA is required.
b
Prewiring between X2M/7+9 and Q1L (= thermal protector backup heater). Do NOT
change.
3
Fix the cable with cable ties to the cable tie mountings.
9.3.9 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
[A.2.2.6.1]
Ext. backup heat src
1
"7.2.4 To open the indoor unit"
55]):
1
Top panel
1
2
3
2
Upper front panel
3
Upper switch box cover
2
Connect the changeover to external heat source cable to the appropriate
terminals as shown in the illustration below.