Carel Cabinet 230 l/h, Руководство пользователя

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7 Air pressure variations The humidification system Close gently the air line at the cabinet outlet by means
at the cabinet output. has few atomizing heads of the ball valve. Pressure to the heads should not
and/or there is not enough be set below 2.1bar.
space between them.
8 Air pressure insufficient C1: The output air pressure S1: Check the value of the inlet and outlet air pressure
to carry the water flow. is too low. and the air pressure regulator.
C2: ON/OFF version only: S2: Turn the screw on the pressure switch so as to
the mechanic pressure enable the setting procedure.
switch at the end of the
air line does not accept
pressure values higher
than 1.3bar (the “water”
LED indicator on the AD4
card is ON).
C3: Proportional version only: S3: Check that tension between terminals Ic and G0 on
disconnected or faulty the AD4 card is >1Vdc.
pressure probe.
9 The air flow is present C1: Electrovalve on the water S1: See point 8. Check that power to the line is 24Vac.
but there is no water flow line not powered (see point 8).
or its pressure is too low C2: Pressure regulator set at min. S2: See page 21 above.
although the 'water' LED C3: Clogged pressure regulator S3: Clean the pressure reducer (it is not necessary
indicator on the AD4 is ON. (the water does not flow). to remove it from the water line).
C4: Clogged electrovalve. S4: Remove the electrovalve and clean it.
C5: The output N.O. valve S5: Be sure that the valve is not clogged and that the
remains always open: line is powered.
outlet water loss.
10 No water to the nozzles. The atomizing nozzles have Increase pressure (see pages 22/23).
been placed at considerable
height and you have not taken
into account the pressure
drop when setting water
pressure.
11 The pressure is too high C1: Impurities compromising S1: See point 9, solution S3.
and difficult to control. the normal activity of the
pressure regulator.
C2: The output water line S2: Charge/Open the water line.
is closed.
12 Low water absorption in C1: Water speed too high with S1: Check the unit's data in relation to the application
the duct: the water inlet respect to the distance requirements (see section 4 above). Look at the
zone is wet. among the nozzles, the psychrometric diagram to be sure that your installation
cold coil (or drop separator) has been correctly rated. You can reduce the capacity
and in relation to the of each single atomizing nozzle by adjusting the screw
temperature and humidity on the back part of the nozzle. If possible, reduce the
of the treated air. speed of the fans and increase or set a pre-heating cycle.
C2: Incorrect nozzles position. S2: Replace the atomizing nozzles so as to optimize
The atomized water cones the outcome.
cross each other or they hit
and condense on the opposite
surface of the duct.
13 'Rain' effect in ambient There are no optimum temper. Close the water line (turn the screw on the back part
applications. and humidity conditions to ensure of the nozzle), then adjust again the nozzle spray patt.s.
a) People feel wet all around; a good absorption of the
b) The floor gets wet.
atomized water (due to the
incorrect position and/or
setting of the nozzles).
14 The nozzles drip while C1: The nozzle always houses S1: It is advisable to lower the water line (place it below
the unit is OFF. some water coming from the atomizing nozzle).
the higher water line.
C2: The drying cycle is too S2: Increase the time-interval of the cleaning cycle
short. (potentiometer P3) until the drops stop (the "mist"
effect must disappear).