Suzhou Lily Tech Co., Ltd.
Page 2, Total 8 Pages
Feature
ZL-7901A is an industrial intelligent temperature and humidity controller. Optional external SSR to realize bigger heating
power rate, and with optional temperature PID control. With touch button and big size LCD display, convenient to operate,
easy to set up. Applicable for control of incubator, climate chamber, warehouse, and so on.
Main Function
1. Ventilation fan control
2. Door open/close check and control
3. Three temperature control modes: relays up/down limit control, SSR up/down limit control, SSR PID control
SSR up/down limit control: is able to set power rate when the room temperature is close to setpoint.
4. Humidify or dehumidify control
5. Timer air exhaust control
6. Timer egg turning control
7. Illumination control
8. Alarm output
9. Auto restart function
10. Temperature/humidity over limit warning and protection
11. Temperature/humidity sensor fault warning and protection
Specification
◇
Power supply: 100
～
240VAC, 50 or 60Hz
◇
Output and input:
Output
Input
Heater control relay
250VAC
7.5A / 1.0A
*
Resistive
load
R1
Temperature sensor: NTC, 5K/3470
Ventilation control relay
7.5A / 1.0A
*
R2
Humidity sensor:
ZL-SHr05J
Humidity control relay
7.5A
R3
Lamp control relay
7.5A
R4
Air exhaust control relay
3A
R5
Egg turning relay
1A
R6/R7
Alarm output relay
1A
R8/R9
SSR driver
20mA/10VDC MAX
Y+/Y-
*.
When drive by relay for heater(T10 = 0), the spec. is 7.5A rated current.
For tungsten lamp as heater, it is 1.0A!
◇
Setting range: humidity 0
~
99% RH, temperature 0
~
100
℃
◇
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-790
3
A, version 2.
7
:
Key and Display
