To Connect The Safety Thermostat (Normally Closed Contact) - Daikin Altherma 3 R F Installer's Reference Manual

9 | Electrical installation

9.3.10 To connect the safety thermostat (normally closed contact)

Installer reference guide
124
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
"7.2.4 To open the indoor
X801M
4
unit" [ 62]):
1
ERGA04~08EAV3(A) + EHVH04+08SU18+23EA6V
Daikin Altherma 3 R F
4P629090-1 – 2020.08
3
2