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

8.3.11 To connect the safety thermostat (normally closed contact)

ERLA03DAV3 + EHFH03S18DJ3V
Daikin Altherma 3 R F
4P596806-1 – 2019.10
1 Open the following (see
1 Top panel
2 Upper front panel
3 Upper switch box cover
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.
[A.2.1.6]=3 (Forced off contact = Thermostat)
1 Open the following (see
1 Top panel
2 Upper front panel
3 Upper switch box cover
"6.2.4 To open the indoor
5 4 3 2 1
a
A8P
X801M
1 2 3 4 5
"6.2.4 To open the indoor
8 Electrical installation
|
4
unit" [ 54]):
1
4
unit" [ 54]):
1
Installer reference guide
3
2
3
2
105