Daikin Altherma 3 H HT W - To Connect the Power Consumption Digital Inputs; To Connect the Safety Thermostat (Normally Closed Contact)

5 Electrical installation
Installation manual
16
ETBH/X16DA6V+9W
Daikin Altherma 3 H HT W
4P586453-1B – 2020.01
B
C
A
A
L N
X1 X2
CB
a
A4P
X2 X3 X4X1
X2X1
X2M
A4P
a Installation of EKRP1HBAA is required.
3 Fix the cable with cable ties to the cable tie mountings.
5.3.9 To connect the power consumption digital
inputs
Wires: 2 (per input signal)×0.75mm²
Power limitation digital inputs: 12VDC / 12mA detection
(voltage supplied by PCB)
[9.9] Power consumption control.
1 Open the following (see "3.2.1To open the indoor unit"[45]):
1 Front panel
1
2
3
2 Switch box cover
3 Switch box
2 Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
B
C
A
A
1 2 4 5
S6S S7S S8S S9S
3
CB
A8P
X801M
a
54321
a Installation of EKRP1AHTA is required.
3 Fix the cable with cable ties to the cable tie mountings.
5.3.10 To connect the safety thermostat
(normally closed contact)
Wires: 2×0.75mm²
Maximum length: 50m
Safety thermostat contact: 16VDC detection (voltage
supplied by PCB). The voltage-free contact shall ensure the
minimum applicable load of 15VDC, 10mA.
[9.8.1]=3 (Benefit kWh power supply = Safety
thermostat)
1 Open the following (see "3.2.1To open the indoor unit"[45]):
1 Front panel
1
2
3
2 Switch box cover
3 Switch box
2 Connect the safety thermostat (normally closed) cable to the
appropriate terminals as shown in the illustration below.