Suzhou Lily Tech. Co., Ltd.
suzhoulilytech@hotmail.com www.suzhoulily.com.cn Page 1, Total pages 4
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1. Features
ZL-310A 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
●
Blustering when system warning
●
Sensor problem warning
●
External warning input
3. Main Specification
●
Temperature Sensor: NTC
●
Setting Range: -40
～
120
℃
●
Display Range: -50
～
130
℃
●
Working Temperature: -10
～
45
℃
●
Storage Temperature: -30
～
70
℃
●
Humidity: 5
～
85%RH (without dewing)
●
Power Supply: 185 ~ 245VAC 50/60HZ
●
Terminal Wire: <= 2 * 1.5mm
2
or 1 * 2.5mm
2
●
Load Current: 3A 250Vac
（
Resistive load
）
●
Case: PC + ABS Fire Proof
●
Protection Degree: IP30
4. Operation Instruction
4.1 Display Indication
Panel LED Indication
LED
On
Off
Blinking
MAX TEMP
Set max temperature
Set max temperature
(to be set)
MIN TEMP
Set min temperature
Set min temperature (to
be set)
COOL
Compressor on
Compressor off
Delay protecting now
DEFROST
Defrosting now
Dropping water ends
Dropping water now
Panel Digit Indication
Three red digits display the measured temperature and warning code.
Warning Code:
No.
Display Code
Warning Information
1
E1
Room sensor open circuit
2
-E1
Room sensor short circuit
3
Hi
Room temperature exceeds the MAX TEMP
4
Lo
Room temperature exceeds the MIN TEMP
5
EE
Data access error
6
Err
Password error or max/min temperature set invalid
7
iA
External warning
8
Frd
Forced cooling
9
UnL
Restore the default password ”11”
