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9
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Electrical installation
9.3.7 To connect the space cooling/heating ON/OFF output
Installer reference guide
128
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.
3 Fix the cable with cable ties to the cable tie mountings.
Wires: (2+1)×0.75 mm²
Maximum load: 0.3 A, 250 V AC
—
1 Open the following (see
1 Top panel
2 User interface panel
3 Upper switch box cover
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
7
7
9
X2M
b
"7.2.6 To open the indoor
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.
Y1
A4P
a
4
unit" [
71]):
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1D – 2023.10
1
3
2
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