To Connect The Space Cooling/Heating On/Off Output; To Connect The Changeover To External Heat Source - Daikin Altherma 3 H HT F Installation Manual

6 Electrical installation
A
B b
A
B
A4P
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.
6.3.7 To connect the space cooling/heating ON/
OFF output
Wires: (2+1)×0.75 mm²
Maximum load: 0.3 A, 250 V AC
—
1 Open the following (see "4.2.1 To open the indoor
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.
1+2
2 1
X2M 7 9
A4P Installation of EKRP1HBAA is
3
A4P Y2 YC
Installation manual
16
7 Y1
7 9
X2M
a
unit" [ 4 5]):
1
Wires connected to the space
cooling/heating ON/OFF
output
3 Wire between X2M and A4P
required.
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.
6.3.8 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
3
2
Maximum load: 0.3 A, 250 V AC
Minimum load: 20 mA, 5 V DC
[9.C] Bivalent
1 Open the following (see
1 Top panel
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.
7 Y2
b
7 9
X2M
A4P
a
unit" [ 4 5]):
"4.2.1 To open the indoor
ETVZ16S18+23E
Daikin Altherma 3 H HT F
4P644730-1D – 2022.08
1
3
2