Lilytech ZL-7903A Manual
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Lilytech ZL-7903A Manual

Temperature and humidity controller
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ZL-7903A Temperature and Humidity Controller
Catalog
Feature .......................................................................................................................................................................................................... 2
Main Function ............................................................................................................................................................................................... 2
Specification ................................................................................................................................................................................................. 2
Product Version............................................................................................................................................................................................ 2
Key and Display ........................................................................................................................................................................................... 2
Key ............................................................................................................................................................................................................ 3
Display ...................................................................................................................................................................................................... 3
Buzzing..................................................................................................................................................................................................... 3
Key Operation .............................................................................................................................................................................................. 3
Fast Set Temperature (T11), Fast Set Humidity (H20) .................................................................................................................... 3
Parameters Setting................................................................................................................................................................................. 3
Parameter Table ..................................................................................................................................................................................... 4
Control Function........................................................................................................................................................................................... 5
On/offline set ........................................................................................................................................................................................... 5
Ventilation Fan (R2) Control ................................................................................................................................................................. 5
Door Control (according to door switch S1, optional function) ........................................................................................................ 5
Temperature Control (R1, SSR) ........................................................................................................................................................... 5
R1 control (T10 = 0)........................................................................................................................................................................... 5
External SSR hysteresis control (T10 = 1)..................................................................................................................................... 5
External SSR PID control (T10 = 2) ................................................................................................................................................ 5
High temperature protection............................................................................................................................................................. 5
Humidity Control (R3)............................................................................................................................................................................. 5
Humidify control (H10 = 1)................................................................................................................................................................ 5
Dehumidify control (H10 = 0) ........................................................................................................................................................... 5
High humidity protection ................................................................................................................................................................... 5
Egg-turning Control (R6, R7) ................................................................................................................................................................ 5
Mode 0 (U16 = 0): .............................................................................................................................................................................. 5
Mode 1 (U16 = 1): .............................................................................................................................................................................. 5
Egg turning times: .............................................................................................................................................................................. 5
Check tray data: ................................................................................................................................................................................. 6
Output R5 Control................................................................................................................................................................................... 6
R5 as periodical air exhaustion (U20 = 0)...................................................................................................................................... 6
R5 as periodical air exhaustion + temperature and humidity high limit protection (U20 = 1) ................................................ 6
R5 as periodical air exhaust + temperature high limit protection (U20 = 2) ............................................................................. 6
R5 as periodical air exhaust + humidity high limit protection (U20 = 3) .................................................................................... 6
Output R4 Control................................................................................................................................................................................... 6
R4 as illumination control (U30 = 0)................................................................................................................................................ 6
R4 as Temperature and humidity high limit protection (U30 = 1)............................................................................................... 6
R4 as Temperature high limit protection (U30 = 2) ...................................................................................................................... 6
R4 as Humidity high limit protection (U30 = 3).............................................................................................................................. 6
Output R8 (R9) Control .......................................................................................................................................................................... 6
R8 as alarm output (U40 = 0)........................................................................................................................................................... 6
R8 as Temperature and humidity high limit protection (U40 = 1)............................................................................................... 6
R8 as Temperature high limit protection (U40 = 2) ...................................................................................................................... 6
R8 as Humidity high limit protection (U40 = 3).............................................................................................................................. 6
Alarm......................................................................................................................................................................................................... 6
Alarm temperature and humidity: .................................................................................................................................................... 6
Alarm action ........................................................................................................................................................................................ 6
Auto Restart Function ............................................................................................................................................................................ 7
Incubation Day Counter ......................................................................................................................................................................... 7
Restore to Factory Default Settings..................................................................................................................................................... 7
Fahrenheit/Celsius display .................................................................................................................................................................... 7
Manually Checking the Outputs One by One..................................................................................................................................... 7
Attention ........................................................................................................................................................................................................ 7
Wiring Diagram ............................................................................................................................................................................................ 7
Dimension ..................................................................................................................................................................................................... 8
Apendix: PID control.................................................................................................................................................................................... 8
V2.7
Page 1, Total 8 Pages
Suzhou Lily Tech Co., Ltd.

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Summary of Contents for Lilytech ZL-7903A

  • Page 1 Suzhou Lily Tech Co., Ltd. ZL-7903A Temperature and Humidity Controller V2.7 Catalog Feature .......................................... 2 Main Function ....................................... 2 Specification ......................................... 2 Product Version......................................2 Key and Display ......................................2 Key ..........................................3 Display ........................................3 Buzzing........................................3 Key Operation ......................................3 Fast Set Temperature (T11), Fast Set Humidity (H20) ........................

  • Page 2: Main Function

    ◇ Measuring absolute accuracy before calibration: temperature 1%@25℃, humidity 3%@25℃ ◇ Working environment: -20 ~ 45℃, 10 ~ 90% RH without dewing Product Version When power supplied, the controller will display model and firmware version: ZL-7903A, version 2.7: Key and Display Page 2, Total 8 Pages...

  • Page 3: Key Operation

    Suzhou Lily Tech Co., Ltd. Function Remark Power Keep depressed for 3 seconds to turn online/offline Short press to switch between humidity set and temperature set; Long press to set other parameters (see Parameter Table below) Increase the set value. Keep depressed for fast set Decrease the set value.
  • Page 4 Suzhou Lily Tech Co., Ltd. Parameter Table Code Function Range Unit Indication Default 0: R1 up/down limit control T10 Temperature control working mode 0 ~ 2 1: External SSR, up/down limit control 2: External SSR, PID control T11 Temperature set point 0.0 ~ 100.0 37.8 ℃/℉...

  • Page 5: Control Function

    Suzhou Lily Tech Co., Ltd. Control Function On/offline set Keep depressed for 3 seconds to switch between online and offline. The controlling only works when online. Ventilation Fan (R2) Control When online, ventilation is on. When offline, or door is open, ventilation stops. Door Control (according to door switch S1, optional function) Parameter U50 set the switch control mode: Normal open: U50 = 1: When door is open, the door switch is open.
  • Page 6 Suzhou Lily Tech Co., Ltd. Check tray data: Left times of egg turning and time to the next egg turning: When turning times (U14) ≠ 0, the left times of egg turning and time to the next egg turning will display alternatively. When the accumulated times of egg turning ≥...

  • Page 7: Wiring Diagram

    Suzhou Lily Tech Co., Ltd. Code Remark Real time detection Delay Duration Reset Action Alarming, E01 Temperature sensor failure 0 sec 6 sec Auto temperature output de-energized, the other control not affected Alarming, E02 Humidity sensor failure 0 sec 6 sec Auto humidity output de-energized, the other control not affected...
  • Page 8 Suzhou Lily Tech Co., Ltd. Dimension Apendix: PID control Auto Tuning is able to find PID parameters (Kp/Ti/Td, U30/31/32) automatically for most control system Set power rate during auto tuning (U93). Set set-point during auto tuning (SP, T11). When not in set mode, keep depressed simultaneously for 5 seconds to enter into self auto tuning mode: LCD will display “Pid”.

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