20 | Electrical installation
Installer and user reference guide
116
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
e AC power supply
f External alarm
SVEO output
The SVEO output is a contact on terminal X1M that closes in case of occurrence of
general errors. See "10.1 Error codes: Overview" [4 45] and "26.3.1 Error codes:
Overview"[4148] for errors that will trigger this output.
SVEO connection requirements
Voltage 220~240VAC
Maximum current 0.5A
Wire size Only use harmonised wire providing double
insulation and suitable for the applicable voltage
2-core cable
Minimum cable section of 0.75mm²
For the SVEO connection it is recommended to use a shielded cable. The cable
shield must be earthed at the marked earthing point that is located on the support
frame of the terminal.
a Earthing point
b Cable shield
c Cable to SVEO output device
INFORMATION
Sound data about the refrigerant leakage alarm are available in the technical data
sheet of the user interface. E.g. the BRC1H52* controller generates an alarm of 65dB
(sound pressure, measured at 1m distance from the alarm).
20.4 To connect the cool/heat selector switch option
In order to control the cooling or heating operation from a central location, the
following optional cool/heat selector switch (KRC19-26A) can be connected:
1 Remove the mounting screw from the terminal mounting plate.
2 Turn the terminal mounting plate to reach the other side of the plate.
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