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4. Configurations
4.1. Code and Function Menu
Code
Function Min Max Default Unit
HC Refrigeration or Heating Mode C
H C
D Temperature Hysteresis / Return Difference 1
15 5 °C
LS Lower Limit for SP -50
SP -50 °C
HS Upper Limit for SP SP
120 120 °C
CA Temperature Calibration -5
+5 0 °C
PT Protection Delay Time for Refrigeration 0
10 1 Min
4.2. What is SP, and how to set it?
SP means Set Point, from SP - Hysteresis to SP + Hysteresis is the range user wish
temperature keep around, once exceed this range the status of the load will be changed,
Details of setting as follow
Step1
Assure power on, press the key, you will find display show a changeable
value, default SP = 10°C.
Step2
Now press the or keys to get your aim value;
Press and hold on the or is fast forward function;
The step length is 1°C;
The editable range between the lower (LS) and the higher (HS) limit.
Step3
Leave the device alone, it will save data automatically in 10s, or press to
save it.
4.3. When will the load works?
A. In the heating mode (HC = H), the Relay will turn on the heater when
Measured Temperature Value ≤ SP – Temp. Hysteresis (D)
B. In the refrigeration mode (HC = C), the Relay will turn on the compressor when
a) the time should be later than
the compressor last stops moment + PT
b) Measured Temperature Value ≥ SP + Temp. Hysteresis (D)
4.4. How to correct measured temperature?
Exist gap/distance between the measured temperature and the actual temperature is very common,
especially the first time you launch this controller; the gaps could be corrected by setting the
value in CA = Real Temperature - Measured Temperature.
4.5. How to set other parameters?
Hold for 3s; it will appear the code
HC
Press or keys to select the code you want to update,
Press the to see the existing value and Press the or key to change the value;
Press the key to back to the function menu list;
Repeat operation from Step 2 / 3 / 4 to adjust other parameters;
After configuring all values, remember to press the key to save data and back to
normal monitor status, in which you can check values (ref. 6.1).
the modified value will be saved automatically and back to normal status if
without operation in 10 seconds.
4.6. How to get Factory Reset?
In normal status, hold the and keys simultaneously for 8s; you will see the code “YS”
which means success.
5. Error & Alarm
When alarming occurred, the error code in the display will not disappear until fixed all problems.
Code Reason Troubleshooting
---
Sensor error or open circuit
Ensure the sensor was installed firmly or replace a
new sensor, display back to normal in 15 seconds
once the problem is fixed.
HHH
Measured temperature >
or
Check the room temperature and then change the
compressor/heater working status manually.
LLL
Measured temperature < LS
6. Environmental Information
The packing material is 100% recyclable. Just dispose of it through
specialized recyclers.
The electro components can be recycled if it is disassembled for specialized
companies.
Please do not burn or throw the controllers in domestic garbage. Observe the
respective law in your region concerning the environmentally responsible
manner of disposing of its devices
Haswill Electronic
https://www.thermo-hygro.com/
Copyright Haswill & Haswell All Rights Reserved
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