UAF-8
4.1 Installation method
n
When two or more power supplies are used side by side, position
them with proper intervals to allow enough air ventilation.Ambient
temperature around each power supply should not exceed the
temperature range shown in derating curve.
4 Assembling and
Installation Method
NO
YES
n
n
In parallel operation, output voltage increases like stairs due to a
delay of the rise time of output voltage at turn on.
In parallel operation, please connect diode to the +side of the out-
put circuit. If diode is connected to the -side, it will damage the
unit or/and the balancing function will not work.
n
n
n
Fan for forced air cooling is optional. Do not block the ventilation at
suction side (terminal block side), its opposite side and upper side.
When unit operates at dusty place, attach air-filter to avoid dust
into the unit. In this case, avoid poorly ventilated environment.
When unit mounted except below drawings, it is required to con-
sider ventilated environment by forced air cooling for tempera-
ture/load derating. For details, please consult our sales or engi-
neering departments.
Note:
In the hatched area, the specification of Ripple, Ripple Noise is
different from other area.
4.2 Derating
UAF
No
n
When fan is set separately, the temperature of part A of the unit
should be below 75 degree by flowing cooling-air inside of the
unit.
130
37
A
AIR
FAN
Instruction Manual
AC-DC Power Supplies Enclosed type
June 29, 2011
