Daikin VRV 5 RXYA8A7Y1B, Инструкция по установке и эксплуатации

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20 | Electrical installation
Installer and user reference guide
138
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
NOTICE
When connecting the earth wire, align the wire with the cut out section of the cup
washer. Incomplete earthing may cause electrical shock.
Multiple outdoor units
To connect the power supply for multiple outdoor units to each other, ring tongues
have to be used. No bare cable can be used.
In that case, the ring washer that is installed by default should be removed.
Attach both cables to the power supply terminal as indicated below:
L1 L2 L3 N
20.7 To connect the external outputs
SVS and SVEO output
The SVS and SVEO outputs are contacts on terminal X2M.
The SVS output is a contact on terminal X2M that closes in case a leak is detected,
failure or disconnection of the R32 sensor (located in the SV unit or indoor unit).
The SVEO output is a contact on terminal X2M that closes in case of occurrence of
general errors. See
"10.1 Error codes: Overview" [
4
45] and "25.3.1 Error codes:
Overview" [
4
177] for errors that will trigger this output.
Outdoor output connection requirements
Voltage 220~240 V
Maximum current 0.5 A
Wire size Only use harmonised wiring providing double insulation
and suitable for the applicable voltage.
2-core cable
Minimum cable section of 0.75 mm²
NOTICE
Do NOT use the outputs as a power source. Instead, use each output to energize a
relay that controls the external circuit.
WHT
SVEO SVS
BLK GRY PPL
b a
c
X2M
a SVEO output terminals (1 and 2)
b SVS output terminals (1 and 2)
c Cable to SVS output device (example)
Example: