Wiring Diagrams; Standard Ec-Total Type Control Pcb - Daitsu FSTD SLIM - EC FLEX Series Installation And Maintenance Manual

Wiring Diagrams

Standard EC-TOTAL Type Control PCB

NEXT UNIT
LED display/IR receiver
X-DISI
Renturn sensor (Tr)
AI1
2 pipe sensor (Ti1)
AI2
chilled /hot water
4-pipe coil circut sensor
AI3
(Ti2):hot water
Wired wall pad
TTL1
CN2
Louver stepping motor
connectors
CN1
DA1
EC-S1 Unit wiring scheme
CN3
485
S2 S1
A B A B
RY6
CPU
DA3
CN4
BLDC
DA2
CN5
BLDC
EC mot r EC motor
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
GR
SW7=0;SW8=1; unit operates in cooling/heating w/booster
EH
GR
FUSE
SW7=1;SW8=0 ; unit operates in cooling
L1
SW7=1;SW8=1; unit operates in cooling with primary EH
RD
DIPB-S2
RD
WH
SW1: Occupancy contact setting
SW2: Unit configuration setting: 0=2pipe system;
WH
SW3:on/off valve configuration: 0= no valve 1=with valve
YL/GR
SW4:preheat setting:0=36C;1=28C
BL SW5: Fan1(CN4)configuration setting:0=Fan1 OFF;
SW6:Fan2(CN5)configuration setting: 0=Fan2 OFF;
BK
L \N----Power supply
VALVE1: 230V on/off valve output;
VALVE2: 230V on/off valve output;
WP: 230V condensate pump output;
AUX1:Voltage free contact; ON:unit in heating mode.
AUX2:Voltage free contact; ON:unit in cooling mode.
ON/OFF:Occupancy contact
CN1~2:Stepping motor output.
CN3:Serial BUS contact
TR
CN4:Fan motor 1 output
CN5:Fan motor 2 output
TTL: Wired wall-pad.
AI1:Return air temperature sensor(Tr)
AI2:Indoor coil temperature sensor1 (Ti1)
AI3:Indoor coil temoeraturesensor 2 (Ti2)
X-DISI----LED receiver output
DA1-24VAC input for modulating valves.
DA2-modulating valve 1 output(0-10V modulating signal).
PUMP DA3-modulating valve 2 output(0-10V modulating signal).
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IPA19-DL-EC-S1
1=4-pipe system;
1=Fan1 ON .
1=Fan1 ON .
SK2019 FSTD-SLIM-EC-FLEX-001_01