To Connect The Safety Thermostat (Normally Closed Contact) - Daikin EPRA18DAV3 Installer's Reference Manual

8 | Electrical installation

8.3.10 To connect the safety thermostat (normally closed contact)

Installer reference guide
112
2 Connect the power consumption digital inputs cable to the appropriate
terminals as shown in the illustration below.
A
B
A
B
a Installation of EKRP1AHTA is required.
3 Fix the cable with cable ties to the cable tie mountings.
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
1 Top panel
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.
5 4 3 2 1
a
A8P
1 2 3 4 5
"To open the indoor unit" [
EPRA14~18DAV3+W1 + ETVH/X16S18+23DA6V+9W(G)
X801M
4
60]):
1
Daikin Altherma 3 H HT F
4P587502-1B – 2020.12
3
2