EWELLY EW-T205L - User Manual

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Version：T205L.19.05.04

EW - T 2 05 L

现时温度

设定温度

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tem per atu re

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set tem p

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set te m p

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set tem p

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set te m p

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set tem p

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set te m p

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set tem p

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EW-T2 05 L

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set te m p

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EW-T2 05 L

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set tem p

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EW-T2 05 L

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set te m p

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EW-T2 05 L

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set tem p

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EW-T2 05 L

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set te m p

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EW-T2 05 L

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set te m p

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set te m p

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set tem p

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tempe r ature

Welcome to choose our instruments. This micro-

computer temperature controller is specialized

designed for refrigerator and freezer, easy-to-use,

accurate control, and strong anti-interference. Our

sensor is precisely made and sealed. It is moisture

proof, therefore its performances are more stable and

reliable.

1 : AC220V ±10％ 50HZ/60HZ

2 : Compressor relay 30A/220V/AC, can be

used directly in loads lower than 30A, others are 5A/220V/AC

(4-OFF).

3 ：≤3W

4 : －10℃～50℃ R H≤90%

5 ：—45℃～45℃ (- 40℉~120℉)

6 ：＞-20℃ is 0.1℃/1℉

≤-20℃ is 1℃/1℉

：＞- ℃ is ±0 .5℃/℉

≤-20℃ is 1℃/1℉

8. Input: 1-OFF temp. sensor; 1-OFF defrost sensor

： × ×

. Operating voltage

. Output Load

. Power Consumption

. Working environment

. Control Range

. Resolving

7. Accuracy 20

9. Overall Dimension 160mm(length) 45mm(width)

81mm(high)

10. Hole Size: 138mm(length) 32mm(width)

Microcomputer Thermostat Serial

-EW-T205L Operation Manual

Technical Specifications：

Appearance Panel

1. Temp. control setting: Press to display the set temp., press

or to change set temperature. Set temp.≤-20℃ is 1℃, Set

temp.＞- 20℃ is 0. 5℃.

2. Parameters setting: Hold key for 6s to enter the manual, it

display , then press

If the password is incorrect, it display and the password is

hidden, parameters are read only and cannot be changed.

3. To display temp. of defrost sensor: Press under unsetting mode.

It displays temp. of defrost sensor and does not display current temp.

4. Press and hold for 5s, it displays the defrost mode or defrost

termination remaining time.

5. Press and hold to force to defrost.

6. Press for 6s, the display will flash, and all parameters are

restored to factory default values. Restart the instrument after

parameters are reset.

7. Press , the lighting relay closes and indicator turns on, then

press again, the lighting relay is off and the indicator turns off.

8. Press for 3s to power off the thermostat, then press again

for 3s to turn on the thermostat.

or to enter menu password, after

entering password, press to enter menu setting, it displays ,

then press continuously to display following parameter codes in

sequence:

Operation Instructions

Display Instruction：

Password setting, press for 6s, it displays PA and

figures 00 , then press or to set password,

then press again, it displays LS.

When it displays LS , press or to modify temp.

from -50℃/-40℉~set temp. -1 ℃/℉.

Press again, it displays HS, then use or to

modify high temp. limit, from set temp.~ 50℃/140

℉.

Press again, it displays d, then use or to

modify return temp. difference, setting range is

1~ 10℃/36℉.

Press again, it displays Pt, then use or to

modify compressor start time delay, setting range is

0~10min.

Press again, it displays CA, then use or to

modify room temp. calibration, setting range is -15

~15℃/-60~60℉.

Press again, it displays Cb, then use or to

modify defrost sensor temp. calibration, setting

range is -15~15℃/-60~60℉.

Press again, it displays F0, then use or to

modify defrost type, 00 is electrical defrost and 01

is hot gas defrost.

Press again, it displays F1, then use or to

modify defrost time, the setting range is 1~60min.

Press again, it displays F2, then use or to

modify defrost cycle, the setting range is 0~99hrs.

Press again, it displays F3, then use or to

modify defrost termination temp., the setting range

is 0~35℃/30~110℉.

Press again, it displays F4, then use or to

select fan running mode, 0 is fan runs or stops synch-

ronically and 1 is normally open.

Press again, it displays F5, then use or to

modify dripping time after defrost, the setting range

is 0~20mins.

Press again, it displays F6, then use or to

select fan re-start mode after defrost, “F7” represe-

nts time, and “F8” represents temperature.

Press again, it displays F7, then use or to

modify fan start delay time after defrost, the setting

range is 0~20mins.

Press again, it displays F8, then use or to

modify fan start temp. after defrost, the setting

range is -20~20℃/-4~68℉.

Press again, it displays CF, then use or to

select the unit of temperature, ℃/℉.

Press again, it displays CPR, then use or

to change password (default 00~99).

Press again, it displays bF, then use or to

set buzzer, 00 is alarm without sound, 01 is alarm

with sound.

SE T

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EWELLY EW-T205L Specifications

General

Temperature Range	5°C to 35°C
Accuracy	±0.5°C
Display	LCD
Output	Relay
Installation	Wall-mounted
Control Type	Touch

Summary

Display Parameter Instructions

Password Setting and Entry

Set the password for accessing advanced settings.

Lower Temperature Limit (LS)

Modify the lower limit for temperature control.

Higher Temperature Limit (HS)

Modify the higher limit for temperature control.

Return Temperature Difference (d)

Adjust the temperature difference for return.

Compressor Start Time Delay (Pt)

Set the delay before the compressor starts.

Room Temperature Calibration (CA)

Calibrate the room temperature sensor.

Defrost Sensor Temperature Calibration (Cb)

Calibrate the defrost sensor temperature.

Defrost Type Selection (F0)

Choose between electrical or hot gas defrost.

Defrost Time Setting (F1)

Set the duration for the defrosting process.

Defrost Cycle Setting (F2)

Configure the frequency of defrost cycles.

Defrost Termination Temperature (F3)

Set the temperature to end the defrost cycle.

Fan Running Mode (F4)

Configure the fan operation mode.

Dripping Time After Defrost (F5)

Set the time for dripping after defrost.

Fan Re-start Mode After Defrost (F6)

Select fan restart method post-defrost.

Fan Start Delay Time After Defrost (F7)

Set the delay for fan start after defrost.

Fan Start Temperature After Defrost (F8)

Set the temperature to start fan after defrost.

Temperature Unit Selection (CF)

Choose between Celsius (°C) and Fahrenheit (°F).

Password Change (CPR)

Change the existing password.

Buzzer Setting (bF)

Configure the alarm buzzer behavior.

Operation Instructions

Temperature Control Setting

Adjust the target temperature for the thermostat.

Accessing Parameter Settings

How to enter the manual and navigate parameter codes.

Displaying Defrost Sensor Temperature

View the defrost sensor temperature.

Viewing Defrost Mode Status

Display defrost mode or termination time.

Forcing Defrost

Manually initiate the defrost cycle.

Factory Reset

Restore all parameters to factory default values.

Lighting Control

Control the lighting relay and indicator.

Power On;Off

Turn the thermostat on or off.

Troubleshooting Guide

No Display or Operation Issues

Diagnose issues with power and display.

Temperature Instability or Malfunction

Address unstable temperature readings or device malfunction.

Temperature Discrepancies

Resolve differences between real and displayed temperatures.

Shutdown and Error Codes

Troubleshoot shutdown issues and error codes like E1/E2.

Important Warnings and Precautions

Installation and Connection Warnings

Guidance on correct input/output connections.

Environmental Precautions

Protect from moisture, corrosive air, and magnetic fields.

Quality Guarantee

Information on the one-year quality guarantee.

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