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Electrical installation
Installer reference guide
125
EPRA14~W1 + ETV23EA6V
Daikin Altherma 3 H HT F
4P644738-1 – 2021.02
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.
9.3.8 To connect the changeover to external heat source
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
"7.2.5 To open the indoor unit"
1
Top panel
1
2
3
2
User interface 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.
Содержание Altherma F
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