Daikin Altherma 3 R F - To Connect the Power Consumption Digital Inputs; To Connect the Safety Thermostat (Normally Closed Contact)

6 Electrical installation
Installation manual
23
EHVH04+08SU18+23EA
Daikin Altherma 3 R F
4P629088-1C – 2021.11
A
X1X2
LN
B
A
B
A4P
X2M
X1
a
X2
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 unit"[410]):
1 Top panel
1
2
3
2 User interface panel
3 Upper switch box cover
2 Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
1245
S6S S7S S8S
S9S
3
A
B
A
B
A8P
X801M
a
1 2 3 4 5
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 unit"[410]):
1 Top panel
1
2
3
2 User interface panel
3 Upper switch box cover
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.