Auber SYL-2342 Manuale di istruzioni - Pagina 7

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Auber SYL-2342 Manuale di istruzioni
AUBER INSTRUMENTS
5.4 Controlling the load via SSR, 240VAC example
1
13 14
6
2
7
3
+
SSR
R
3
8
4
SYL-2352
-
R
4
9
5
10
W
Figure 9. This is the essentially the same wiring example as 5.3, except the
heater and controller are powered by 240V AC. An alarm is not installed in
this example.
5.5 Controlling a 24V valve
1
13 14
6
2
7
3
8
SYL-2342
+
4
9
Fuse
-
5
10
TC
Figure 10. SYL-2342 or SYL-2342P with thermocouple input. This is a typical
wiring set up for a 24V gas, hot water valve, or a contactor with 24V coil
voltage.
5.6 Cooling and heating with the same controller
Bulb
1
13
6
14
2
7
3
8
SYL-2342
+
4
9
-
5
10
TC
Figure 11. A refrigerator connected to SYL-2342 directly
This is an example for beer fermentation. The refrigerator is driven by the
internal relay of the controller directly. Please note that the internal relay
output (terminals 7 and 8) is not powered by itself. A power supply must
be used to drive the external relay. The refrigerator must consume less
current than the internal relay's maximum rating (7A at 240V AC and 10A at
120V AC). The bulb (less than 100-300 W) is for heating. The example is
setup to have the heater to turn on when temperature drops to below 60 °F
and turns off at 64 °F. The refrigerator will turn on when temperature is above
69 °F and turn off at 65 °F.
Set up for the controller
1) Hy = 2.0. Set both hysteresis band for heater and cooler to 2 degree.
2) COOL=9. Set the controller to cooling mode, no alarm suppression,
Fahrenheit temperature unit display.
3) AT=0. Set the controller main output to on/off control mode for refrigerator
compressor control
4) ALM2= 6 2 . Set the low limit alarm to 6 2 °F. Heater will be on at 6 0 °F
(ALM2-Hy) and off at 64 °F (ALM2+Hy)
5) SV=67. Refrigerator will be on at 69 °F (SV+Hy) and off at 65 °F (SV-Hy).
2011.02
Heater
2
1
Fuse
L1
L2
Solenoid valve
S
24VAC
L
N
120VAC
Refrigerator
Fuse
L
N
120VAC
240VAC
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