En-5
Remove 4 screws and remove the cover of main unit.
Screws
7.1. Connecting the power supply cable
for U.S.A. and Canada
(1) Remove the 4 screws (M4 × 6 mm), and then remove the cover.
(2) Remove the dust proof bushing and open the knockout hole.
(3) Install the conduit.
(4) Fix the conduit with lock nut.
(5) Pass the power supply cable through the conduit.
(6) Connect the power supply cable to their respective terminal block.
(7) Then confirm that the cable will not come out.
Conduit
(Power supply cable)
[Trade size: 1/2 in.]
Knockout hole
Power supply cable
Lock nut
for Others
(1) Remove the 4 screws (M4 × 6 mm), and then remove the cover.
(2) Make a hole in the center of the dust proof bushing with the Phillips
head screwdriver.
(3) Pass the power supply cable through the hole of dust proof bushing
and pull it into the MODBUS convertor.
(4) Connect the power supply cable to their respective terminal block.
(5) Securely tighten the cable tie and then confirm that the cable will not
come out.
Dust proof bushing
Power supply cable
Cable tie
(Accessories)
Cable tie *
(Accessories)
The screw hole
* When wiring the cable to the opposite side, fix the cable as shown below:
(1) Remove the cable tie holder attached to the sheet metal.
(2) Attach the cable tie holder to the screw hole in the direction where the
cable is wired.
(3) Fix the cable with the cable tie.
7.2. Connecting the transmission cables
(1) Turn the power off.
(2) Make a hole in the center of the dust proof bushing using a driver.
(3) Pass the transmission cables through the hole of dust proof bushing
and pull it into the MODBUS convertor.
(4) Connect the transmission cable to terminal block to connect to VRF
network.
(5) Connect the transmission cable to accessory MODBUS Connector to
connect to MODBUS network.
(6) Connect the MODBUS cables to (D+), RS485_B- (D-), and
Common (COM) according to the polarity of the master unit.
(7) Attach the MODBUS connector to the board terminal.
(8) When using MODBUS cable with shield, earth (ground) at one end of
cable. If this unit is earthed (grounded), connect to the Earth (Ground)
terminal. Do not connect the shield to the Common (COM).
(9) Securely tighten the cable ties and then confirm that the cable will not
come out.
(10) Once the wiring of the cables has been completed, mount the cover
to the MODBUS convertor. Use the screws (M4 × 6 mm) to mount the
cover.
(11) Use the 4 screws (M4 × 16 mm) provided to mount the MODBUS
convertor to the behind ceiling, wall, floor or other suitable location.
