Daikin RTSQ20PY1 Service Manual page 398

Wiring Diagrams for Reference
BEVQ71MA / 100MA / 125MAVE
BEV UNIT
A1P PRINTED CIRCUIT BOARD ASSY
A2P POWER SUPPLY PRINTED CIRUIT BOARD
ASSY (220-240V/16V)
F1U FUSE ( B , 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 • Z4F
A1P
X1M
A2P
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)
387
A1P
A2P
HAP
SS1 X5A
X5A
t°
X2M
R3T
: CONNECTOR
X2A
X1A
RED
F1U
X1A
BLU
NE
X2A
X4A
X3A
RED
WHT
BLK
SS1
MS
F1 F2
X7A
X11A
BLU BLU
Z1C
M
N=3
F1 F2
Y1E
X2M
TO OUTDOOR UNIT
SiBE31-801_C
POWER SUPPLY
220-240V
~
50Hz
L
Z4F
N
Z2C
N=2
1
TO
2
INDOOR
UNIT
Z3C
3
X1M
220V
~
60Hz
3D044901B
Appendix