IAI R-unit RSEL, Instruction Manual, Page: 129 / 844

Chapter 3 Specifications for each unit
3.2 24V Driver Unit, Fun Unit
3-44
ME0392-4C
(9) Fan unit
An option for forced air cooling of the driver unit. Use by connecting to the fan connector on the
driver unit side. 1 fan unit to be used per 2 driver units.
The fan rotates when the driver unit internal temperature rises and stops when the temperature
falls.
Operation without derating is possible without a fan unit at 0-40°C; however, at 40-55°C,
actuator operating duty must be reduced by 20% every 5°C.
(Alarm code : 479 “Slave Driver Alarm Detection (Info.1=CAh)” should be generated if operation
is performed without decreasing the operation duty.)
With fan unit, operation is possible up to 55°C without derating.
Fan unit (Model: RCON-FU)
Fan unit
Usage temperature environment [°C]
O
per
at
ing
dut
y
[%
]
3.2 24V Driver Unit, Fun Unit
ME0392-4C
3-45
[How to Replace Fan Unit]
<Attaching Fan Unit>
(1) Adjust the installation orientation of the
RSEL system and new fan unit.
Hook the claw of the fan unit to the driver
unit as shown in the figure on the right.
(2) Pull down the fan unit to the front of the
RSEL system.
(3) Press the fan unit from the top and snap
in.
Regarding the how to replace fan unit, refer to [12.3.2 How to Exchange Fan Unit].
Fan Unit
(1)
Hook the claw of
the fan unit to the
driver unit
(2)
Pull down the fan
unit to the front
(3)
Press down and
snap in