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power supply lines. The sensors and switches lines are not allowed go with the power supply 

lines  and  inductive  load  lines  in  a  same  pipeline,  and  are  not  allowed  to  pass  near  the 

contactor, breaker and the similar. 

●  Reduce  the  length  of  sensors’  wiring  as  possible,  avoid  forming  a  spiral  shape  near  the 

power devices. 

● Avoid direct contact with the internal electronic components. 

●  After  finish  and  check  the  electrical  wiring  layout,  before  connect  them  to  the  device, 

please  follow  this  instruction:  Pay  attention  the  “electrical  wiring  diagram”  below,  wrong 

connection possibly  damages  the device and  the  system,  and  may  be dangerous to the user. 

All security and protecting device for the equipments are necessary. They are very important 

to protect the equipments, and the user’s safety. 

 

 

         

Electrical wiring diagram 

 

 

Summary of Contents for ZL-660A-R

Page 1: ...Buzzer alarm output Max high temperature or min low temperature exceed warning Sensor failure warning External warning input Dry contact alarm output RS 485 3 Size Specification 1 Front panel dimension 78 34 5mm 2 Drilling template 71 29mm 3 Whole machines dimension 78 34 5 71mm 4 Length of sensor s 3m including the sensor probe 4 Technical Specification Temperature Sensor NTC Setting Range 40 120...

Page 2: ...at temperature Keeping S pressed for 3 seconds to enter temperature setting mode The indicator or HACCP is on and the digital shows the set temperature Press key or to change the set temperature Keeping or pressed it will be adjusted quickly Press S the set temperature will be saved and leave the setting mode Or do not press any key for 30 seconds the device will leave the set mode without saving ...

Page 3: ...le 5 4 U20 Room temperature sensor calibration 9 9 9 9 0 5 U22 Temperature difference 0 1 10 0 The hysteresis of control 1 0 6 U50 High temperature warning deviation value to Max Temp 0 60 0 Disable 0 7 U51 Low temperature warning deviation value to Min Temp 0 60 0 Disable 0 8 U52 Over temperature warning delay time 1 180min 30 9 U53 First over temperature warning delay time after power supply 0 1...

Page 4: ...ture Sensor Fails When the room temperature sensor fails the system will automatically run into the protected running mode In this mode the compressor will run and stop with the period of 30 minutes Compressor works for U12 3 minutes stops for 30 U12 3 minutes For example Set U12 is 3 when the temperature sensor fails compressor runs for 9 minutes and then stops 21 minutes move in circles If U12 0...

Page 5: ... and Password Keep P and keys pressed for 5 seconds the device displays UnL press twice buzzer sounds system auto restores the default parameters and password 1111 8 Controller Installation 8 1 Warning Avoid installing the device in the following environment Relative humidity is greater than 90 or possibly dewing Strong vibration Possibility be dropped or within fog Exposed to eroding and pollutin...

Page 6: ...power devices Avoid direct contact with the internal electronic components After finish and check the electrical wiring layout before connect them to the device please follow this instruction Pay attention the electrical wiring diagram below wrong connection possibly damages the device and the system and may be dangerous to the user All security and protecting device for the equipments are necessa...

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