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9.3.8 To connect the changeover to external heat source
ERRA08~12E + ELVH/X12S18+23E
Daikin Altherma 3 R MT F
4P708474-1 – 2023.05
A
B
A
B
a Installation of EKRP1HBAA is required.
b Prewiring between X2M/7+9 and Q1L (= thermal protector backup heater). Do NOT
change.
4 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.
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 service cover. See
2 Open the following (see
1 Top panel
2 User interface panel
3 Upper switch box cover
7
Y2
7
9
X2M
A4P
b
"7.2.2 To open the outdoor
"7.2.6 To open the indoor
9
Electrical installation
|
a
4
unit" [
78].
4
unit" [
81]):
1
Installer reference guide
3
2
145
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