5
Installation
Pr
ocedure
Installation
Precautions for Installation
Note) 1.
About the specified liquid level range
1) During cooling operation with the liquid level lower than the specified range, the moisture of the atmosphere
condenses on the exposed part of the cooling coil, causing the condensate to be mixed into the liquid.
If the liquid level further decreases, it results in cooling capacity deterioration, and also causes a fault of the
unit.
2) During heating operation the liquid level lower than the specified range, the heating element of the heater is
exposed or discolored, or may emit burning smell. If the liquid level further decreases, the heater activates the
overheat protection device. This condition hinders normal operation, and also causes a fault of the unit.
3) If the liquid level falls below the specified range due to liquid level fluctuations during operation, the liquid over-
flows from the tank. To prevent the above 1) to 3) problems, be sure to maintain the liquid level within the
specified range.
∗
Mount a float switch to ensure that the liquid level in the tank is within the specified range.
2.
Give thorough consideration to the layout of the partitions and inlet/outlet piping for the installation tank, so that
the low-temperature liquid that has been cooled with the OILCON unit can be uniformly mixed with the high-tem-
perature liquid returned from the machine.
Installation place and oil piping
To install this unit, select a place that meets the following conditions:
Do not place an object that may block air flow within 500 mm from the air intake/exhaust port.
1.
Level, rigid floor (Inclination: 5˚ max.)
2.
A place where the unit is not exposed to direct sunlight or heat
3.
A place with proper ventilation and little humidity
4.
A place where exhaust air does not circulate (exhaust air will
not be taken into the unit)
5.
A place that allows easy access to piping and wiring
6.
A place with little contaminant, waste, dust particles or
oil mist
7.
A place free from explosive atmosphere (evolution, inflow,
retention or leak of inflammable gas)
Obstacle
Exhaust air
500 mm or more
500 mm or more
500 mm or more
Intake air
(Front)
Obstacle
Obstacle
40 to 100 mm
(Specified liquid level range)
Liquid level
Leg
H
(T
ank depth)
Agitator
Cooling coil
Heater
Tank
(Prepared by user)
OILCON
(Oil cooling unit)
50 mm or more
(From tank bottom surface)
OILCON o
v
er
all height
Floor surface
A (Tank width)
*For “A” and “H”, see page .
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PIM00132A_EN.fm 5 ページ ２００７年９月２０日 木曜日 午後３時４分
