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Suzhou Lily Tech. CO., Ltd. 

Page  4,    Total  7  Pages 

 

Cool mode

t0 = C

 

If 

Room temp. 

≥ 

Set temp.

 +

t1

, and 

Temp. Output

 has stopped for

t2

, then 

Temp. Output

 will be energized. 

If 

Room temp.

 ≤ 

Set temp.

, then 

Temp. Output

 will be de-energized.

 

Over hot protection 

If 

Room temp. 

≥ 

Set temp.

 +

t4

, then output R1 will be energized. 

If 

Room temp. 

≤ 

Set temp.

 +

t4

-

t5

, then output R1 will be de-energized. 

This protection function is only effective in heat mode.   

If

t4

=

t5

= 0.0, disable the protection function. 

 

Humidity control 

Humidify mode 

h0 = H

 

If 

Room humidity

 ≤ 

Set humidity

 (

HP

) -

h1

, and 

Humi. Output

 (R2) has stopped for

h2

, then 

Humi. Output

 will be 

energized. 

If 

Room humidity 

≥ 

Set humidity

, then 

Humi. Output

 will be de-energized. 

Dehumidify mode

h0 = P

 

If 

Room humidity 

≥ 

Set humidity

 +

h1

, and 

Humi. Output

 has stopped for

h2

, then 

Humi. Output

 will be energized. 

If 

Room humidity 

≤ 

Set humidity

, then 

Humi. Output

 will be de-energized. 

Over wet protection 

If 

Room humidity 

≥ 

Set humidity

    +

h4

, then output R1 will be energized. 

If 

Room humidity 

≤ 

Set humidity 

+

h4

-

h5

, then output R1 will be de-energized. 

This protection function is only effective in humidify mode. 

If

h4

=

h5

= 0.0, disable the protection function. 

 

Timer output R4 and R5 

R4 and R5 are controlled by parameter

u0

,

u1

and

u2

R4 and R5 will be energized for

u1

time alternatively. A period includes an R4 energized and an R5 energized. 

There is a counter counting the times of the period. Every time after the power supplied, the counting value is reset to zero. 

keeping 

S

and

depressed simultaneously will show the counting value for 3 seconds. 

If 

u2

> 0, when the counting value reaches 

u2

, R4 and R5 will stop energized, and display 

  and 

  will blink. 

If 

u2

is set to zero,R4 and R5 will never stop energized. 

Forced energized manually: 

    Keeping

depressed for 2 seconds makes R5 being energized, until the key is released. 

    Keeping

depressed for 2 seconds makes R4 being energized, until the key is released. 

R4 and R5 could be used for incubator egg tray control. 

 

Alarm 

High temp. alarm: if 

Room temp. 

≥ 

Set temp.

 (

TP

) +

t6

, display “tHi”. If

t6

= 0.0, the function disable. 

Low temp. alarm: if 

Room temp. 

≤ 

Set temp.

 -

t7

, display “tLo”. If

t7

= 0.0, the function disable. 

High humidity alarm: if

 Room humidity

 ≥ 

Set humidity

 (

HP

) +

h6

, display “hH”. If

h6

= 0.0, the function disable. 

Low humidity alarm: if

 Room humidity

 ≤ 

Set humidity

 -

h7

, display “hL”. If

h7

= 0.0, the function disable. 

 

Sensor 

The 

Room temp. 

can be calibrated. If 

Room temp. 

is 0.2

  lower than real temp., set 

t3

= 0.2. 

The 

Room humidity 

can be calibrated. If 

Room humidity 

is 2%RH higher than real, set 

h3

= -2. 

When sensor fails, the 

Temp. and Humi. Output

 (R3, R2) will not be energized, and “E01” will display. 

Note: do not plug in/off the sensor when power supplied.

 

 

Summary of Contents for ZL-7850R

Page 1: ...ure humidity alarm Sensor failure alarm and outputs protection Running status saving for power supply failure Calibration for temperature and humidity Temperature and humidity output delay protection Specification Power supply 100 240Vac 50 60Hz Sensor Factory provided cable length is 2 meters Accuracy Temperature 1 25 Humidity 3 with the sensor ZL SHr05J 2 with the sensor ZL SHr05P Setting range ...

Page 2: ...m hH Humidity high alarm point High humidity alarm hL Humidity low alarm point Low humidity alarm Lo Keypad locked Keypad locked Un Keypad unlocked Keypad unlocked UnL Restore to factory default settings Restoring to default settings Operation On Off Keep key depressed for 2 seconds to switch the controller between online and offline When in offline status display OF Set temperature and humidity F...

Page 3: ...me delay protection for Humidity load 0 30 min 0 h3 Humidity calibration 20 20 RH 0 h4 Over high humidity point relative value 0 20 RH If 0 disable the protection 5 h5 Over high humidity hysteresis 0 20 RH If 0 disable the protection 2 h6 High humidity alarm point relative value 0 80 RH If 0 disable the function 0 h7 Low humidity alarm point relative value 0 80 RH If 0 disable the function 0 u0 R4...

Page 4: ...nd R5 will be energized for u1 time alternatively A period includes an R4 energized and an R5 energized There is a counter counting the times of the period Every time after the power supplied the counting value is reset to zero keeping S and depressed simultaneously will show the counting value for 3 seconds If u2 0 when the counting value reaches u2 R4 and R5 will stop energized and display and w...

Page 5: ... settings will restore to factory default set value Attention 1 Do not connect wiring when power is supplied 2 Electrical wiring must be manipulated by certified electrician 3 Read this manual carefully Connect according to electrical wiring diagram Wrong connection will damage the device 4 Do not lay the sensor bundle together with power supply bundle 5 Avoid working in erosive wet strong electri...

Page 6: ...ed 1 energized 0x01 15 bit R2 status R 0 de energized 1 energized 0x01 16 bit R3 status R 0 de energized 1 energized 0x01 17 bit R4 status R 0 de energized 1 energized 0x01 18 bit R5 status R 0 de energized 1 energized 0x01 20 bit R4 is forced energized manually R 0 not forced 1 forced energized 0x01 21 bit R5 is forced energized manually R 0 not forced 1 forced energized 0x01 22 bit Timing moment...

Page 7: ...is R W 1 0 20 0 RH 2 0 Value 10 0x03 0x06 0x10 19 int h2 Delay protection for humidity load R W 0 30 Min 0 0x03 0x06 0x10 20 int h3 Humidity calibration R W 20 0 20 0 RH 0 0 Value 10 0x03 0x06 0x10 21 int h4 Over high humidity point R W 0 0 20 0 RH 5 0 Value 10 0x03 0x06 0x10 22 int h5 Over high humidity hysteresis R W 0 0 20 0 RH 2 0 Value 10 0x03 0x06 0x10 23 int h6 High humidity alarm point R W...

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