Wiring Diagram; Complete Function Pcb: Ac-S1 - Daitsu FDHD-V-AC MOTOR Series Installation And Maintenance Manual

Wiring Diagram

D.2.1. Complete Function PCB: AC-S1
AC-S1 Control Box Wiring scheme
LED display / IR receiver
X-DISI
A B A B
return air sensor (Tr)
AI1
2-pipe sensor (Ti1):
AI2
chilled/hot water
4-pipe coil circuit sensor
AI3
(Ti2):hot water
wired wall-pad
TTL1
CN2
louver stepping moter
connections
CN1
485
S2 S1 EH2 EH1 PR2 PR1
FLOAT
AUX2 AUX1
HF VALVE1 VALVE2 WP
MF LF
PUMP
GR
GR
RD
RD
WH
N
RY7 N WH
YL/GR
FUSE
N N
BL
L
BK
TERMINAL
YL/GR
BL
BK
IPA19-DL-FDHD-AC-S
Legend:
DIPA-S1
SW1-5: set the unit address
SW6: set unit type: master or slave
Mode Configuration:
SW7=0;SW8=0;unit operates in cooling/heating.
SW7=0;SW8=1;unit operates in cooling/heating with
booster EH.
SW7=1;SW8=0;unit operates in colling only.
SW7=1;SW8=1;unit operates in cooling with primary EH
DIPB-S2
SW1: Occupancy contact setting
SW2: Unit configuration setting:0=2-pipe system
1=4-pipe system
SW3: On/off vavle configuration setting:
0=no vavle;
1=with vavle;
SW4: Pheheat setting: 0=36 C; 1=28 C.
SW5:Reserved.
SW6:1 = last unit on RS485 communication bus;
0 = other than above.
L\N :Power supply
VALVE1: 230V On/Off valve output.
(2-pipe: Cooling / Heating); (4-pipe: Cooling)
VALVE2: 230V On/Off valve output. (4-pipe: heating)
WP: 230V condensate pump output.
RYL: 230 V Electrical heater output.
HF: 230 V Fan motor high speed output.
MF: 230 V Fan motor medial speed output.
LF: 230 V Fan motor low speed outpu
AUX1: Voltage free contact;ON=unit in Heating mode.
AUX2:Voltage free contact;ON=unit in Cooling mode.
PRO:Occupancy contact.
FLOAT: Float swith for pump.
EH: protectionl swith for elecctrical heater
CN1~2: Stepping motor output.
TTL: Wired wall-pad.
AI3: Indoor coil temperature sensor 2 (Ti2).
AI2: Indoor coil temperature sensor 1 (Ti1).
AI1: Return air temperature sensor (Tr).
X-DIS1: LED recevier output.
RS485: Serial BUS contacts.
SK2019 EU FDHD-V/P-AC-001
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