Daikin Altherma 3 R W - To Connect the Safety Thermostat (Normally Closed Contact)

9 | Electrical installation
Installer reference guide
139
ERLA11~16D + EBBH/X11+16D
Daikin Altherma 3 R W
4P643603-1B – 2022.05
B
C
A
A
1 2 4 5
S6S S7S S8S S9S
3
CB
A8P
X801M
a
54321
a Installation of EKRP1AHTA is required.
3 Fix the cable with cable ties to the cable tie mountings.
9.3.10 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 Open the following (see "7.2.4To open the indoor unit"[481]):
1 Front panel
1
2
3
2 Switch box cover
3 Switch box
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.