To Connect The Safety Thermostat (Normally Closed Contact); To Connect A Smart Grid - Daikin Altherma 3 R F Installation Manual
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Also See for Altherma 3 R F:
- Installer's reference manual (312 pages) ,
- User reference manual (64 pages) ,
- Installation manual (48 pages)
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A
B
A
B
a
Installation of EKRP1AHTA is required.
3 Fix the cable with cable ties to the cable tie mountings.
6.3.10
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
"4.2.1 To open the indoor
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.
EBVH/X11+16S18+23DJ
Daikin Altherma 3 R F
4P643599-1B – 2021.10
5
4
3
2
1
A
A
a
B
A8P
X801M
1 2 3 4 5
3 Fix the cable with cable ties to the cable tie mountings.
unit" [ 4 13]):
1
6.3.11
3
2
This topic describes 2 possible ways to connect the indoor unit to a
Smart Grid:
▪ In case of low voltage Smart Grid contacts
▪ In case of high voltage Smart Grid contacts. This requires the
The 2 incoming Smart Grid contacts can activate the following Smart
Grid modes:
6 Electrical installation
B
NOTICE
Make sure to select and install the safety thermostat
according to the applicable legislation.
In any case, to prevent unnecessary tripping of the safety
thermostat, we recommend the following:
▪ The safety thermostat is automatically resettable.
▪ The safety thermostat has a maximum temperature
variation rate of 2°C/min.
▪ There is a minimum distance of 2 m between the safety
thermostat and the 3‑way valve.
NOTICE
Error. If you remove the jumper (open circuit) but do NOT
connect the safety thermostat, stop error 8H-03 will occur.
To connect a Smart Grid
installation of the Smart Grid relay kit (EKRELSG).
Smart Grid contact
1
2
0
0
0
1
1
0
1
1
Q4L
13
14
13 14
X5M
Smart Grid operation mode
Free running
Forced off
Recommended on
Forced on
Installation manual
25
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