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Suzhou Lily Tech CO., Ltd.

7

1

Temperature
sensor faulty

Real time

0s

6s

Auto

Alarm output on, off temperature control, the other
remains.

2

Humidity
sensor faulty

Real time

0s

6s

Auto

Alarm output on, off humidity control, the other
remains.

3

High

temp.

Over

limit

alarm

Real time

0s

5s

Auto

Alarm output on, high temperature over limit protection
on, the other remains.

4

low

temp.

Over

limit

alarm

Real time

0s

5s

Auto

Alarm output on, the other remains.

5

High
humidity
Over

limit

alarm

Real time

0s

5s

Auto

Alarm output on, high humidity over limit protection
on, the other remains.

6

Low humidity
Over

limit

alarm

Real time

0s

5s

Auto

Alarm output on, the other remains.

7

Touched

IC

communicatio
n faulty

Real time

0s

5s

Auto

Notes:

1. Read the instruction carefully, Electrical wiring must be manipulated by certified electrician.Wrong power supply may damage the

device and system seriously.

2. Use this product should be avoided in humid environments or with corrosive gases and strong magnetic field applications, in these

occasions may affect the use of the normal operation of the thermostat.

3.This product has been strictly tested before leaving the factory, as a result of quality problems The company warranty for one year, the

responsibility is limited to the sale of the product itself. Damage caused by improper use is not covered by warranty.

Summary of Contents for ZL-7901A

Page 1: ...ode alarm output 7 Auto restart function 8 Temperature humidity over limit warning and protection function 9 Temperature humidity sensor fault warning and protection function Specification Power supply 100 240V 50 60Hz Controller Relay output 8 ways Analog quantity input 2 ways Main temp control relay 250VAC 7 5A resistive load NTC temperature sensor 5K 3470 Ancillary temp relay 250VAC 7 5A resist...

Page 2: ...ys Display signal indication Icon Function On Off Blinking Humidify dehumidify state On Off Main heater On Off Ancillary heater On Off Air exchange On Off Egg turning motor right turn On Off Egg turning motor left turn On Off Warning No warning Warning E01 Humidity sensor fault Warning No warning E02 Temperature sensor fault Warning No warning tHi Temperature exceed up limit Warning No warning tLo...

Page 3: ... R1 R2 SSR 0 2 0 Main temp control R1 auxiliary temp control R2 1 External SSR main temp control up and down limit temp control 2 External SSR main temp Control PID control 0 T11 Up limit temperature T12 T23 37 8 T12 Down limit temperature T24 T11 37 6 T13 Auxiliary temp Control R2 start temperature T24 T23 37 5 T14 Main temperature control R1 mini stop time 0 999 sec 1 T15 Auxiliary temperature c...

Page 4: ...1 Air exchange period unit R5 0 2 0 second 1 minute 2 hour 1 U22 Air exchange period time R5 1 999 120 U23 Air exchange time unit R5 0 2 0 second 1 minute 2 hour 1 U24 Air exchange time R5 1 999 5 U30 Lighting relay function R4 0 4 0 illumination control 1 time switch control 2 temperature over limit protection 3 Temperature over limit protection 4 humidity over limit protection 0 U31 Time period ...

Page 5: ...SSR PID temperature control T10 2 When external SSR main temperature control choose PID mode Temp Control will follow PID algorithm 4 PID procedure If with PID control it is better to tuning the PID parameters if the default the setting is not ideal a Be sure that the equipment inside temp has been cooled to same to environment temp b Press and simultaneously for 5 seconds to enter into tuning set...

Page 6: ...emperature over limit protection mode U30 3 If temperature over limit warning high temperature R4 is on when warning stop R4 is off Humidity over limit protection mode U30 4 If humidity over limit warning high humidity R4 is on when warning stop R4 is off Warning output control R8 R9 Warning output mode U40 0 Warning node output R8 Close when failure open when no failure R9 Open when failure close...

Page 7: ...ains 6 Low humidity Over limit alarm Real time 0s 5s Auto Alarm output on the other remains 7 Touched IC communicatio n faulty Real time 0s 5s Auto Notes 1 Read the instruction carefully Electrical wiring must be manipulated by certified electrician Wrong power supply may damage the device and system seriously 2 Use this product should be avoided in humid environments or with corrosive gases and s...

Page 8: ...Suzhou Lily Tech CO Ltd 8 Wiring diagram ...

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