BREWHA Equipment Co Ltd. ETC120 Instruction Manual

1. Overview
This temperature controller contains one temperature probe and
two independent outputs. One output is for cooling and the other
one is for heating. It can be used for applications such as heating
during mashing or fermentation, or for cooling post-boil and
during fermentation.
This controller is a plug and play controller. No wiring is needed
for the heater or cooler. Both the heating and cooling control
modes are simple on/off control, similar to a mechanical
thermostat but with much higher precision due to an adjustable
hysteresis band, precise sensor and digital read out. Anti-short
function is also provided for cooling to protect a refrigerator
compressor from being turned on while at high pressure which
could damage it.
Different operation temperature ranges of the two outputs can be
set separately. Once the cooling range is set, the controller
program will automatically limit the heating range to prevent both
heating and cooling from being turned on at the same time.
A digital silicon band gap sensor is used with the advantage being
that it is much more reliable in a moist environment than a
thermistor sensor. It can be immersed over an extended period of
time. It also has more uniform accuracy over an entire specified
temperature range.
2. Specification
Temperature Control Range
Resolution
Accuracy
Control Mode
Control Output
Audio Alarm
Sensor Type
Sensor Size
Measuring Range
Ambient Temperature
Dimension
Input Power
Sensor Cable Length
Power Cable Length
Warranty
2017.1
ETC120 TEMPERATURE CONTROLLER
INSTRUCTION MANUAL
-2 to 105ºC/28 to 221ºF
0.1º (from -9.9 to 99)
0.5ºC/0.9ºF
On/Off Heating and Cooling
12A/120V
High and Low Limit
Silicon Band Gap
6mm/0.25"OD by 100mm/4"
-2ºC/28ºF to 105ºC/221ºF
-20ºC/-4Fº to 50ºC/122ºF
91x140x46mm
3.5x5.5x1.75"
15A/110-120V/60Hz
2.4m/8'
1m/3'
1 year
Version 1.0
3. Front Panel
Measured
Temperature
Set Key
Cooling Device
On Indicator
Receptacle for
Cooling Device
Sensor Probe Connector
120V/12A Power Cord
4. Setup Flow Chart
When the controller is plugged in, and the probe is attached, it
will display the measured temperature. The controller will keep
running according to the saved settings. If the temperature
sensor is shorted or removed, the controller will display "Err".
Please see Figure 2 for the flow chart to set the parameters.
68.9
Displayed Temperature
SET
5 sec
AH
Alarm High Limit
SET
AL
Alarm Low Limit
SET
CDF
Cooling Differential
SET
HDF
Heating Differential
SET
Cooling Antishort AS
SET
Sensor Failure
SFA
Operation
SET
Temperature Offset
OFS
SET
C-F
Temperature Unit
Up Key
Dn Key, Mute Alarm
Heating device
On Indicator
Receptacle for
Heating Device
Figure 1. Front Panel
SET
Cooling
CSP
Set Point
SET
Heating
HSP
Set Point
Figure 2
Set Up Flow Chart
SET
SET
68.9
P1/3