Daitsu FDLA-09, Installation, Operation & Service Manual

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Page 19 of 51
SK2018 GLOBAL FDLA-V/P-AC-001
Electrical Connection
1. Wiring connection must be done according to the wiring diagram on the unit.
2. The unit must be GROUNDED well.
3. An appropriate strain relief device must be used to attach the power wires to the terminal box.
4. A 20mm hole is designed on the terminal box for field installation of the strain relief device.
5. Field wiring must be complied with the national security regulations.
6. A main switch or other means for disconnection, having a contact separation in all poles, must be incorporated in the fixed wiring in accordance with the relevant local and national
legislation.
*S Control Wiring Diagram: Please refer to section D.
T1 Control Wiring Diagram: T2-24Vac Control Wiring Diagram:
C
O
N
T
R
O
L
L
O
A
D
Fuse
EH element
Protection switch
L
N
H
i
M
Lo
V1
V2
N
Heating signal (230V)
Cooling valve signal(230V)
Neutral
L-speed signal (230V)
H-speed signal (230V)
1Ph-230V-50Hz Power input
Earth
M M
Yellow (H)
Brown (M)
Orange (L)
Earth
M-speed signal (230V)
3-speed unit with EH Wiring scheme
AC-T-001
Neutral
Live
TR kit is optional.
24Vac
C
O
N
T
R
O
L
LO
A
D
Fuse
EH element
Protection switch
L
N
H
i
M
Lo
V1
V2
C
R
Heating signal (24Vac)
Cooling valve signal(24Vac)
Neutral
L-speed signal (24Vac)
H-speed signal (24Vac)
1Ph-230V-50Hz Power input
Earth
Yellow (H)
Brown (M)
Orange (L)
M-speed signal (24Vac)
3-speed unit with EH Wiring scheme
AC-T-24V
TR
Neutral
Live
TR kit is optional.
24Vac
24Vac for thermostat
Remark: 40VA 24Vac transformer is optional.