Haswill Stc-9200 User manual

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User Manual of STC-9200 Thermostat

Refrigeration & Defrosting & Evaporator Fan Controller

(Version 21.08.04GEN)

The STC-9200 temperature controller controls the power supply status of the connected Refrigeration

device, the defrosting unit, and the Evaporator Fan, typically suited to an oversized freezer room.

1. Package

Controller: 1PCS

Sensor: 2PCS

Clips: 2PCS

Manual:1 PCS

Waterproof Cover: 1PCS

2. Specification

Input Power

220V AC ± 10% 50/60HZ; (12/24/48/110V Option)

Maximum current

8A (Default) under 250V AC

Thermistor / Sensor

NTC, 25°C /10 KΩ, the sensor cable 200cm

Protection Class

IP65 to the front panel

Storage

-10°C ~ 60°C, RH<90%, without condensation

Temperature Range

Measurable: -50.0°C ~ +50.0°C; Controllable: -50.0°C ~ +50.0°C

Resolution

0.1°C

Accuracy

± 1°C from -40°C to +50°C; ± 2°C in other range

Power Consumption

≤ 3W

3. Environmental Information

The package's 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.

4. Appearance & Operation

4.1. Front Panel & Operation

Under normal status, the screen shows room sensor temp.

A. Hold the for 3s to enter/exit the user setting

interface, and the user can change the target

temperature and the hysteresis here.

B. Hold the key and the key at the same time

for 10s to lock/unlock the admin menu:

OFF = unlock, editable

ON = locked, only can check the value, not editable.

C. Hold the and the keys for 10s to enter admin interface; Press the to check

current data, and press the or key to change the data; Press the again to save

data and back to menu list; If without operated in 10s, the new data will be auto-saved.

D. Hold the for 3s to check the defrost temp.;

E. Hold the for 3s to trigger the forced refrigeration mode manually (must past the

compressor delay time); do it again to quit.

F. Hold the for 3s to trigger the forced defrosting mode manually (must past the defrost

delay time); do it again to enter defrosting water dripping status.

4.2. Indicator / Character in Display

Indicator

Meaning Compressor status Setting Status Fan Status Defrosting status

On Working Setting Working Working

Hide Stop Normal Stop Stop

Wink Time Delay N/A Time Delay Dripping Water

Fast Wink Manually Refrigeration N/A N/A Manually Defrosting

4.3. Dimensions & Installation

Mount size: 71*29*85 mm (W*H*D);

Detach the slide fasteners, put the controller

into the hole, and wire it.

Install the fasteners and the waterproof

cover.

4.4. Wiring Diagram

A. 10K NTC sensor, need not distinguish + or -.

B. The input voltage must be within the voltage value marked in the diagram ±10% value.

C. Suggest Load Power ≤Voltage∗Max current of Relay

Factor

4.5. Copykey (Optional)

A. Upload to Controller

1) Insert the Copykey, Press the key, the display shows "UPL";

2) Now Press the key to upload data will show "END" once finished;

3) Shut down the controller and then pull out the Copykey.

B. Download from Controller

1) Assure controller being shut down and insert the Copykey, then starting up

2) The controller will scan the Copykey and download data automatically, shows "DOL"

when downloading, and shows "END" once finished.

3) Restart the controller; it will work according to the new data.

Attention:

Part of the parameters will be executed in the next cycle; please power off the controller and

power back to start a new cycle for running by the new data without a wait.

If a parameter in the Copykey exists error or in the wrong format, the display shows ERR.

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5. Configurations

5.1. Code and Function Menu

Hold the + keys at the same time for 10s to enter the Admin Interface;

The codes SET and HY (F1 and F2) are user menu; others are admin menu, ref 4.1 A & C

Cate.

Function

Min

Max

Default

Unit

Temp. SET

SP (Temperature Set-Point)

-5.0

°C

Temperature Hysteresis / Return Difference

1.0

25.0

2.0

°C

Upper limit for SP

F01

50.0

20.0

°C

Lower limit for SP

-50.0

F01

-20.0

°C

Delay Time for Compressor

Delay Time for Defrosting (only for hot gas

TDF/F10

)

Min

Defr. IDF

Defrost

Cycle / Interval Time

120

Hour

MDF

Lasting Time

255

Min

DTE

Stop Temperature

-50.0

50.0

10.0

°C

FDT

Water dripping Time

10.0

Min

TDF

F10

Defrosting Mode:

EL/0

HTG/1

EL/1

N/A

EL/0

Electric-Heating.

HTG/1

Hot Gas from the compressor.

DCT

F11

Count mode of defrost cycle:

RT/0

COH/1

RT/0

N/A

RT/0

Cumulative time from the controller power on;

COH/1

Cumulative time of the compressor working.

DFD

F12

Display mode when defrosting:

RT/0

IT/1

RT/1

N/A

RT/0

Shows the room sensor temperature display;

IT/1

Shows the evaporator sensor temp. (continue

showing 10 minutes once defrosting over)

Fan FNC

F13

Fan output modes when

FOD

≥ 0

CTR/0

C-N/2

CTR/0

N/A

CTR/0

Fan Starts by F14/FOT, Stop by F16/FST;

O-N/1

continuous working except defrosting begins;

C-N/2

FOD

is when the fan starts later than the

compressor; the fan stops if defrosting begins.

FOT

F14

Defrost sensor Temperature for Fan Starts

-50.0

F5T/F16

-50.0

°C

FOD

F15

Time delay seconds for fan

-255

255

< 0

FOD

is the period for the fan to start earlier than

the compressor starts; the fan stops if defrosting

begins.

≥ 0

The fan was controller by F13/FNC

F5T

F16

Defrost sensor Temperature for Fan Stops

FOT

/F14

50.0

°C

Alarm ALU

F17

Room sensor Temperature

to Trigger Alarm

Upper Limit

ALL

50.0

°C

ALL

F18

Lower Limit

-50.0

ALU

-50.0

°C

ALD

F19

Time delay

Min

Cali.OT

F20

Temperature Calibration = Real Temperature - Measured

-10.0

10.0

0.0

°C

The EN code menu and the F code menu are same, just for satisfy different clients.

°C

5.2. When will the Defrosting Starts / Stops?

A. Defrost relay will close/on when reaching all the below conditions

The time should later than: the compressor last stops moment + AC/F5 if the defrosting

Mode was thermal air / Hot Gas (TDF/F10 = HTG).

The defrost sensor temperature < Defrost stop temperature (in DTE/F8)

Time passed the defrosting cycle time (IDF/F6) or forced defrosting beginning

B. Defrost relay will open/off when reaching any one of the below conditions

The defrost sensor temperature ≥Defrost stop temperature (in DTE/F8)

Passed the defrosting Lasting Time (MDF/F7)

5.3. When will the Compressor Starts / Stop?

The room temperature was supposed to keep at the range from "F1(SET)" to "F1+F2 (SET+HY)."

First, Time Conditions

A. When FOD/F15 > 0s, the time should be later than:

•The moment of the compressor recent stops + AC/F5

B. When FOD/F15 < 0s (the fan startup earlier than the compressor), the time later than:

•The moment of the compressor recent stops + AC/F5, and

•The fan starts moment + FOD/F15

And Temperature Conditions

A. If TDF/F10 = EL/0 (like an electric heating wire wound around the evaporator)

Controller Status

Working Condition

Stops Condition

Manual turn on the forced cooling

Room Temp ≥SET/F1

Room Temp <

SET/F1

or defrost beginning

or forced refrigeration is over.

Not in Defrosting

Room Temp ≥

SET/F1

HY/F2

B. If TDF/f10 = HTG/1 (Hot Gas from the compressor Reverse Rotary), exist an extra

option than A

Controller Status

Working Condition

Stops Condition

Manual turn on the forced cooling

Room Temp ≥SET/F1

Room Temp <

SET/F1

or defrosting is over

or forced refrigeration over

and won't defrost at once.

Not in Defrosting

Room Temp ≥

SET/F1

HY/F2

In defrosting Evaporation Temp >DTE/F8

5.4. When will the Alarming Starts / Stop?

Once alarming, the readout flashing and buzzer screaming press any key to stop the buzzer ticktack, but the

error code in the display will not disappear until all errors have been fixed.

Code Troublesome From Reason

E01

Room Sensor

Open or short

E02

Defrost Sensor

Open or short

HHH

Room or Defrost Sensor

> Max measurable limits

LLL

< Min measurable limits

Readout flash

buzzer screams

Room Sensor

-50°C < temp. <

ALU/F17

5.5. When will the Fan Works/Stops?

Please check the conditions from FOD/F15 & FNC/F13 from the menu list.

Haswill Electronics

https://www.thermo-hygro.com

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