Auber Instruments SYL-2362A2 Instruction Manual - Page 6

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AUBER INSTRUMENTS

10.4 Control a small load without using any external SSR or relay.

a. Wiring diagram

K type TC

+ -

Figure 13. Typical wiring set up for driving a 120V AC heater or cooler directly.

Only low power device can be wired in this way. The current limit for resistive

load is 3 Amp. The current limit for inductive load is lower, depending on the

inductance.

b. Parameter setting. These are the parameters that need to be changed from the

initial value: outy= 1, 4 or 5 for J2 relay output depending the control mode. ot=20

to increase the relay life time. Rd=1 if the load is a cooling device.

10.5 Drive a 120V solenoid valve directly in cooling mode

a. Wiring diagram

RTD

Solenoid valve

Alarm

120V buzzer

Figure 14. A simple auto draw-off system setup for maple syrup. Only low power

solenoid valve (cooler) can be wired in this way. The current limit for resistive

load is 3 Amp. RTD sensor is used for better accuracy (e.g. PL6350). One 120V

buzzer is wired to the J1 relay, to work as a high temperature alarm.

b. Parameter setting. Set SV = 219° F. To use solenoid valve as a cooling device,

please set outy = 4 (on/off mode), and rd = 1 (cooling mode). Set ot = 20 to increase

the relay life time. Adjust Hy (hysteresis band) accordingly.

11. Error Message and trouble shooting

11.1 Display EEEE

This is an input error message. The possible reasons are, the sensor is not

connected correctly; the input setting is wrong type; or the sensor is defective. If

this happens when using thermocouple sensor, you can short terminal 9 and 10.

If the display shows ambient temperature, the thermocouple is defective. If this

happens when using the RTD sensor, check the input setting first because most

controllers are shipped with input set for thermocouple. Then check the wiring. The

2021.10

Heater/cooler

Fuse

120V

Fuse

two red wires should be on terminal 9 and 10. The clear wire should be on terminal

11.2 No heating

When controller output is set for relay output, the "AL2" LED is synchronized with

output relay. When controller output is set for SSR output, the "OUT" LED is

synchronized with SSR control output. If there is no heat when it is supposed to,

check the AL2 or OUT first. If it is not lit, the controller parameter setting is wrong.

If it is on, check external switching device (if the relay is pulled-in, or the red LED

of the SSR). If the external switching device is on, then the problem is either the

external switching device output, its wiring, or the heater. If the external switching

device is not on, then the problem is either the controller output, or the external

120VAC

switch device.

11.3 Poor Accuracy

Please make sure calibration is done by immersing the probe in liquid. Comparing

with reference in air is not recommended because response time of sensor

depends on its mass. Some of our sensor has response time >10 minutes in the

air. When the error is larger than 5 ° F, the most common problem is improper

connection between the thermocouple and the controller. The thermocouple needs

to be connected directly to the controller unless thermocouple connector and

extension wire is used. A copper connector, copper wire, or thermocouple

extension wire with wrong polarity connected on the thermocouple will cause the

reading drift more than 5 ° F.

120VAC

No part of this datasheet shall be copied, reproduced, or transmitted in any way

without the prior, written consent of Auber Instruments. Auber Instruments retains

the exclusive rights to all information included in this document.

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Auber Instruments Inc.

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www.auberins.com

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