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

Wiring Diagrams

Standard EC-FLEXI Type Control PCB

AI2
S4
S3
+ -
S1
PROG1
AI1
2 pipe sensor (Ti1)
TTL
MOTOR1
MOTOR2
MOTOR3
MOTOR4
CN4
CN1
JP7,8
EC moter
EC-W1B unit wiring scheme
DI
NO com
NC
ALARM
FUSE1
L M H EH COM
EMI1
RLY2
EH 2.5mm2
EMI2
RLY3
EH
Relay
BG1
EH 2.5mm2
HV
EH 2.5mm2
JP1
JP2 JP3 JP4
JP6
PUMP
L1
N1
N2
PE
Legend:
ALARM: Pump failure, it's opened.
PUMP: Water pump output
CN1,CN2: Stepping motor
CN4: EC motor output
IPA19-DL-EC-W1B
0~10Vdc from thermostat
BK Main power supply
BL
230Vac 1Ph
GY
Cooling valve signal (230Vac)
WH
EH or heating valve signal (230Vac)
OR
Low speed signal (230Vac)
BR
Med speed signal (230Vac)
YL
High speed signal (230Vac)
COM
12VAC for thermostat
24VAC for thermostat
AI1: Indoor coil sensor(TI1)
AI2 0~10VDC ,EC Motor control signal.
X-DIS: Led display
TTL: Wired wallpad, used to set motor rpm.
SK2019 FSTD-SLIM-EC-FLEX-001_01
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