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

9 | Electrical installation

9.3.10 To connect the safety thermostat (normally closed contact)

Installer reference guide
128
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.
—
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.
Note: The jumper wire (factory-mounted) must be removed from the respective
terminals.
A
a
A8P
1 2 3 4 5
"7.2.5 To open the indoor
Q4L
13
14
X801M
4
unit" [ 69]):
1
EPRA08~12EAV3+W1 + ETVH12SU18+23EA6V
Daikin Altherma 3 H MT F
4P644482-1 – 2021.03
3
2