Daikin VRV II RXYQ5MY1B Service Manual page 303

Wiring Diagrams for Reference
BEVQ71M / 100M / 125MVE
BEV unit
A1P Printed circuit board assy
A2P Power supply printed circuit
board assy (220-240V/16V)
F1U Fuse ( , 10A, 250V)
HAP Light emitting diode
(Service monitor-green)
R3T Thermistor (Gas)
SS1 Selector switch (M/S)
X1M Terminal strip (Power)
X2M Terminal strip (Transmission)
Y1E Electronic expansion valve
Z1C • Z2C
Noise filter
Z3C • Z4C
Control box
Notes:
1. : Terminal,
2. : Field wiring.
3. This wiring diagram only shows the BEV unit.
See the wiring diagrams and installation manuals for the wiring and settings for the indoor, outdoor, and
BS units.
4. See the indoor unit's wiring diagram when installing optional parts for the indoor unit.
5. Only one indoor unit may be connected to the BEV unit.
See the indoor unit's wiring diagram for when connecting the remote control.
6. Always use the sky air connection adapter for the indoor unit when using a central control unit.
Refer to the manual attached the unit when connecting.
7. Cool/heat changeover of indoor units connected to BEV unit cannot be carried out unless they are
connected to BS unit.
In case of a system with BEV unit only, cool/heat selector is required.
8. Set the SS1 to "M" only for the BEV unit connected to the indoor unit which is to have cool/heat switching
capability, when connecting the BS unit.
The "M/S" on the SS1 stands for "Main/sub".
This is set to "S" when shipped from the factory.
9. Connect the attached thermistor to the R3T.
10. Symbols show as follows. (BLU: blue, RED: red, WHT: white, BLK: black)
292
: Connector
To outdoor unit
SiE39-404
Power supply
50 60
~ ~
220-240V 220-240V
To indoor unit
3D044901A
Appendix