Schneider Airsystems DK 5000 ECO Manual De Instrucciones Original página 21

Problem
Dryer does not operate
or switches on and off
systematically.
<Err> is displayed.
If necessary, contact our service staff, see last page.
13 Circuit diagram
See Fig. 3
S1 ON/OFF switch
S11 Refrigerant overpressure switch
M1 Motor for refrigerant compressor
K1 Start-up relay
C Protective motor switch
Refrigerant compressor
A40-1 Starting capacitor
A40-2 Operating capacitor
b Auxiliary coil for starting
a Operating coil
A30 Refrigerant compressor heating
(DK 10000 ECO only)
M2 Motor for ventilator
S10 Ventilator pressure switch
K20 Condensate discharger
A20 Condensate discharge valve
Cause
Not connected to mains
power supply.
Fuse / contactor has trig-
gered.
Excessive room tempera-
ture.
Condenser clogged
dust.
Dew point too low / too
high.
DK 5000 - 10000 ECO
Remedy
Switch on mains power supply.
Switch on unit.
Check protective devices and main
switch.
Replace fuse / reset contactor.
Never replace burnt out fuses with a
higher amperage fuse.
Decrease the ambient temperature by
ventilating the room where the dryer
is operating.
Operate the dryer below the maxi-
mum values.
with Clean the condenser.
Call service hotline.
14 Flow chart
See Fig. 4
A Refrigerant compressor
B Liquefier
C Fluid line with collector
D Filter dryer
E Expansion valve
F Heat exchanger
G Condensate discharger
H ESA thermostat
I Hot gas bypass valve
J Suction line
K Refrigerant compressor heating
L Excess temperature switch
M Refrigerant overpressure switch
N Pressure gauge
6 Compressed air inlet
7 Compressed air outlet
8 Compressed air supply fine filter
GB
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