OHM ELECTRIC Cool cabi OCA-S300AC-A100, Instruction Manual

Page: 27 / 40

7
3. Wiring
Caution
- Please observe all the local regulations in installation of the cooler.
- Supply voltage should be as specified on the rating plate.
- Allowable power fluctuation is +/- 10% from the rated voltage. Pay attention the
maximum fluctuation should be stayed within this range.
- Make sure that grounding has been properly done.
- Before electrifying the unit, make sure again that there is no problem in supply
voltage,
wiring connection and grounding.
3-1 Wiring procedure (Applicable wire range: AWG24 to 12 / 0.2 to 2.5mm
2
)
(1) Strip the wire by 6 or 7 mm.
(2) Push down the Push button with a flathead screwdriver.
(3) Insert a wire into the port.
(4) Release the screwdriver.
(5) Check that the wire is secured.
(6) For the application using crimp terminals,
the bar terminals made by Phoenix Contact.
3-2 Circuit diagram (Ex. OCA-S300AC)
※
The number of fans differs according to the model.
Terminal board
Terminal
board
Operating
condenser
External fan x 1
Internal fan x 1 Compressor
Fuse
E
Overheat
detector
Float switch
Sensor
Sensor
a contact, 240V 1.5A x2 resistance load
Note: For details, please refer to the paragraph 4-6 in page 10,11
100VAC IN
Earth
Alarm output
Wire port
Push button for
connection
L N E 1 2 3
Control board