Daikin Altherma 3 M - To Connect the Power Consumption Digital Inputs; To Connect the Safety Thermostat (Normally Closed Contact); To Connect a Smart Grid

6 Electrical installation
Installation manual
27
EBLA04~08E2V3+E23V3 + EDLA04~08E2V3+E23V3
Daikin Altherma 3 M
4P685229-1A – 2022.05
A4P
a
X1
X2
X2M
X1
X2
180°
a Installation of EKRP1HBAA is required.
3 Fix the cable with cable ties to the cable tie mountings.
6.3.12 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 Access the electrical connections. See "6.3.1 To connect the
electrical wiring to the outdoor unit"[417].
2 Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
A8P.1
A8P.2
A8P.3
A8P.4
A8P.5
S6S (DI4)
S7S (DI3)
S8S (DI2)
S9S (DI1)
180°
A8PA8PA8PA8P
5
4
3
2 1
a
X801M
A8P
a Installation of EKRP1AHTA is required.
3 Fix the cable with cable ties to the cable tie mountings.
6.3.13 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 Access the electrical connections. See "6.3.1 To connect the
electrical wiring to the outdoor unit"[417].
2 Connect the safety thermostat (normally closed) cable to the
appropriate terminals as shown in the illustration below.
X5M.14
X5M.13
Q4L
13
14
X5M
180°
a
X5M
13
14
a Remove jumper
3 Fix the cable with cable ties to the cable tie mountings.
NOTICE
Make sure to select and install the safety thermostat
according to the applicable legislation.
In any case, to prevent unnecessary tripping of the safety
thermostat, we recommend the following:
▪ The safety thermostat is automatically resettable.
▪ The safety thermostat has a maximum temperature
variation rate of 2°C/min.
▪ There is a minimum distance of 2m between the safety
thermostat and the motorized 3‑way valve delivered
with the domestic hot water tank.
NOTICE
Error. If you remove the jumper (open circuit) but do NOT
connect the safety thermostat, stop error 8H-03 will occur.
6.3.14 To connect a Smart Grid
This topic describes 2 possible ways to connect the outdoor unit to a
Smart Grid:
▪ In case of low voltage Smart Grid contacts
▪ In case of high voltage Smart Grid contacts. This requires the
installation of the Smart Grid relay kit (EKRELSG).