Water chillers and
air-water heat pumps
HEAT PUMPS - AIR CONDITIONING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 12.122 H
36
CIATCooler LP
11. OPTIONS
Servomotor
Damper
Condensation pressure control
In units with the STD version that work in cooling with an outdoor
temperature lower than 12ºC, the condensation pressure control
allowing an “all seasons” operation (up to -15ºC) is mandatory.
In units with centrifugal fan a check is performed per motorized
damper in the fan outlet. A servomotor opens or closes the damper
depending on the proportional signal 0-10V received from the
electronic control system (during the operation of the fan).
M01 assembly:
VERTICAL air outlet
M00 assembly:
HORIZONTAL air outlet
Servomotor
Damper
Frame
The motorized damper is mounted on the air discharge panel of the
machine. This in order to allow the operation test in the factory, with
all the necesary presetting during the test of the CATCooler unit at the
end of the production line.
However, in accordance with the code of practice as regards aeraulic
installation, we recommend a remote installation of the damper, at a
distance approximately equal to 3xDe (equivalent diamenter) of the
discharge air duct diameter.
This stipulation is the only one allowing a best operation of the motorized
damper with a homogeneous fl ow of the air.
In order to remove the damper it is necessary to unscrew from the
CIATCooler unit and disconnect the electrical suply of the servomotor.
In case of asking together for fl exible connections and damper for
condensation pressure control (optional for version STD), discharge
fl exible ducts are attached to to the above mentioned damper. If it is
removed the damper for installation on duct, it is necessary to maintain
the frame for reconnecting the fl exible connections. Without fl exible
connections this frame may be removed.
CIATCooler Assembly
No. of
dampers
Servos per
damper
Damper
width
90V-STD to 360V-STD
M00
1 1 150
420V-STD to 600V-STD
1 2 150 (*)
90V-STD a 360V-STD
M01
1 1 150 (*)
420V-STD a 600V-STD
1 2 150 (*)
640V-STD a 960V-STD
2 1 150 (*)
(*) The damper incorporates a frame (60 mm width) to fi t the damper
to the fan(s) outlet.
Air fi lter
These units can include a frame with gravimetric fi lters in the air return
to the unit. The frame is assembled on a profi le made of moveable steel
metal which can be removed.
The fi lters frame is removable, and upon request, it is possible to supply
the frame separately with the CIATCooler unit, to be joined on site.
The frame dimensions can be referred to in the technical brochure for
CIATCooler units.
Filters are moved by
lifting the tab and dragging
Frame width = 53 mm
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