Suzhou Lily Tech. Co., Ltd.
[email protected] www.suzhoulily.com.cn Page 1, Total pages 5
Z
Z
L
L
-
-
2
2
2
2
0
0
A
A
E
E
l
l
e
e
c
c
t
t
r
r
o
o
n
n
i
i
c
c
T
T
h
h
e
e
r
r
m
m
o
o
s
s
t
t
a
a
t
t
I
I
n
n
s
s
t
t
r
r
u
u
c
c
t
t
i
i
o
o
n
n
M
M
a
a
n
n
u
u
a
a
l
l
1. Features
ZL-220A is an electronic thermostat for cooling. The device is ideally fitted to refrigeration equipment for cold
storage.
2. Main Function
●
Temperature measurement
●
Temperature display
●
Temperature calibration
●
Compressor delay protection
●
Blustering when system warning
●
Sensor problem warning
●
Defrost control:
Periodical defrosting, temperature and time combined criteria, dropping water, and
manual forced defrosting
3. Main Specification
●
Temperature Sensor: NTC
●
Setting Range: -40
～
120
℃
●
Display Range: -50
～
130
℃
●
Working Temperature: -10
～
45
℃
●
Storage Temperature: -30
～
70
℃
●
Humidity: 5
～
85%RH (without dewing)
●
Power Supply: 185 ~ 245VAC 50/60HZ
●
Terminal Wire: <= 2 * 1.5mm
2
or 1 * 2.5mm
2
●
Load Current: 3A 250Vac
（
Resistive load
）
●
Protection Degree: IP30
4. Operation Instruction
4.1 Display Indication
4.1.1 Panel LED Indication
LED
On
Off
Blinking
MAX TEMP
Set max temperature
Set max temperature
(to be set)
MIN TEMP
Set min temperature
Set min temperature (to
be set)
COOL
Compressor on
Compressor off
Delay protecting now