Table of Contents
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1. Features
ZL-220A is an electronic thermostat for cooling. The device is ideally fitted to refrigeration equipment for cold
storage.
2. Main Function
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Temperature measurement
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Temperature display
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Temperature calibration
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Blustering when system warning
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Sensor problem warning
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Defrost control: Periodical defrosting, temperature and time combined criteria, dropping water, and
3. Main Specification
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Temperature Sensor:
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Setting Range:
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Display Range:
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Working Temperature:
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Storage Temperature:
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Humidity:
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Power Supply:
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Terminal Wire:
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Load Current:
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Protection Degree:
4. Operation Instruction
4.1 Display Indication
4.1.1 Panel LED Indication
LED
MAX TEMP
MIN TEMP
COOL
suzhoulilytech@hotmail.com
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NTC
-40～120℃
-50～130℃
-10～45℃
-30～70℃
5～85%RH (without dewing)
185 ~ 245VAC 50/60HZ
<= 2 * 1.5mm
3A 250Vac（Resistive load）
IP30
On
Set max temperature
Set min temperature
Compressor on
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Off
Set max temperature
(to be set)
Set min temperature (to
be set)
Compressor off
www.suzhoulily.com.cn
Suzhou Lily Tech. Co., Ltd.
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Blinking
Delay protecting now
Page 1, Total pages 5
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Table of Contents
Summary of Contents for Lily Tech ZL-220A
- Page 1 Suzhou Lily Tech. Co., Ltd. 1. Features ZL-220A is an electronic thermostat for cooling. The device is ideally fitted to refrigeration equipment for cold storage. 2. Main Function ● Temperature measurement ● Temperature display ● Temperature calibration ● Compressor delay protection ●...
- Page 2 Suzhou Lily Tech. Co., Ltd. DEFROST Defrosting now Dropping water ends Dropping water now 4.1.2 Panel Digit Indication Three red digits display the measured temperature and warning code. Warning Code: Display Code Warning Information Room sensor open circuit Room sensor short circuit...
- Page 3 Suzhou Lily Tech. Co., Ltd. Defrosting﹙end﹚time 1～180min Defrosting end temperature 0.5～50℃ Dropping water time 0～180min Over temperature warning delay time 0~180 hour 0: Disable after defrost ends 0: Disable Defrost when the device starts 1:Enable Defrost delay time when the device start 0: Disable 0～180min...
- Page 4 Suzhou Lily Tech. Co., Ltd. temperature (U32)) meets, the defrosting stops. 5.4.2 Manual Forced Defrosting ● When in non-defrosting stage, press and hole 【 ▲】 for 7 seconds, the system starts forced defrosting. When in defrosting stage, press and hole 【▲】 for 7 seconds, the defrosting stops.
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Page 5: Electrical Connection
Suzhou Lily Tech. Co., Ltd. ● Under strong electrical and magnetic fields such as under a powerful antenna, or near a huge power motor. ● Ambient temperature changes greatly or quickly, such as before the door of a cold room.
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