To Connect The Power Consumption Digital Inputs; To Connect The Safety Thermostat (Normally Closed Contact) - Daikin Altherma 3 R W Installation Manual

6 Electrical installation
A
A
B
C
B C
A4P
a Installation of EKRP1HBAA is required.
3 Fix the cable with cable ties to the cable tie mountings.
6.3.9 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 "4.2.1 To open the indoor
1 Front panel
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.
Installation manual
20
X1 X2
L N
A4P
a
unit" [ 4 9]):
3
2
1
A
A
B
C
B C
a Installation of EKRP1AHTA is required.
3 Fix the cable with cable ties to the cable tie mountings.
6.3.10 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.
—
1 Open the following (see "4.2.1 To open the indoor
1 Front panel
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.
Note: The jumper wire (factory-mounted) must be removed from the
respective terminals.
1 2 3 4 5
A8P
X801M
1 3 2 5 4
unit" [ 4 9]):
3
2
1
EHBH/X04+08EF
Daikin Altherma 3 R W
4P642727-1A – 2021.11
a