Haswill STC-8080A+ User manual

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STC-8080A+ Thermostat
Quick Start Guide
(Version 21.08.02GEN)
STC-8080A defrosting thermostat with one sensor and
two output relays to connect and control the
refrigeration and the defrosting unit, alarm once
temperature overs your preset point.
1. Wiring Diagram
This unit does not output AC electricity; hence you have
to wire all live and null wires to each port; you may use
the jumper wire conveniently.

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2. Function Menu
Function
F1
Temperature for Refrigeration Starts
F2
Temperature for Refrigeration Stops
F3
Calibration = Real – Measured
F4
Defrosting Cycle / Interval Time
F5
Defrosting Lasting Time
F6
Over-temperature to Trigger Alarm (more than
F1)
3. Configuration
The aimed temperature range was defined from “F1” to
f2”; you need to set both.
≥F1, refrigeration starts.
≤F2, refrigeration ends.
Step1
Hold the key for 3s, and the code F1 will
appear.
Step2
Press the or keys to get the aim
function you want to update;
Step3
Press the key to check the existing value;
Hold the key meanwhile press the or
key to change the value;
Step4
Release all keys once it reaches your aim value;

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Repeat operation from Step 2 / 3 / 4 to adjust
other parameters;
Step5
After configuring all values, press the key
to save data and back to normal monitor
status.
Attention: the modified value will be saved
automatically and back to normal status if
without operation in 30 seconds.
4. Open the Forced Refrigeration
Hold the key for 3s to start the forced-defrosting mode;
do it again to stop defrosting.
More Tips:
This unit controls the defrosting only by the time, but not by
the evaporator temperature like STC-9100.

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This is not a step-by-step user manual;
It just shows the key points.
The new user should read the Full-Content Version User
Manual
Haswill Electronics
STC-8080A+ Thermostat
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