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Suzhou Lily Tech. Co., Ltd. 

 

[email protected]        www.suzhoulily.com.cn        Page 1, Total pages 6 

 

               

 

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1. Features   

ZL-330A 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 

  Defrost control:

 Timed defrost , manual defrost and defrost water d

ripping

 

  Fan control

 

  The conditions of the end of defrost: is time and temperature 

 

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 

Summary of Contents for ZL-330A

Page 1: ...ssor delay protection Blustering when system warning Sensor problem warning External warning input Defrost control Timed defrost manual defrost and defrost water dripping Fan control The conditions of the end of defrost is time and temperature 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 w...

Page 2: ...or to change the max temperature setting Press SET again we can set the min temperature limit Keeping depressing SET for 3 seconds or do not press any key for 30 seconds the device will leave the temperature testing mode The factory setting max temperature is 15 min temperature is 18 The MAX TEMP must be higher than the MIN TEMP 1 otherwise could not be saved Note Only after the SET being depresse...

Page 3: ... hour 0 Disable 2 12 U35 Defrost when the device starts 0 1 0 Disable 1 Enable 0 13 U36 Defrost delay time when the device start 0 180min 0 Disable 0 14 U41 Fan start temperature 45 120 10 15 U42 Fan start up delay 0 600sec 60 16 U43 Fan stop delay 0 600sec 0 17 U44 Fan mode 0 1 0 Controlled 1 Free mode 0 18 U50 High temperature warning deviation value to Max Temp 0 60 0 Disable 0 19 U51 Low tempe...

Page 4: ... minutes Note If U12 0 system stops when sensor fails 5 4 Defrosting Function 5 4 1 Automatic Defrosting When the compressor continuously running time reaches the time of defrost cycle U30 the system starts to defrost When one of the conditions defrosting end time U31 and defrosting end temperature U32 meets the defrosting stops 5 4 2 Manual Forced Defrosting When in non defrosting stage press and...

Page 5: ...e cooling stop the fan will not immediately stop It will be delayed for some time this time should be set in the fan stop delay parameter If you do not need to delay set this parameter to 0 5 7 2 In the free mode the fans often turn only stop when defrosting In this mode fan start temperature fan start delay and fan stop delay parameter have no effect 6 Temperature Calibration Function When there ...

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