NW21D telecom site environment control system

Program

every work temp. can be programmed

Display

LED display temperature, humidity and alarm codes

Control

control the work of air-conditioner and DC fan based on indoor, outdoor temperature and indoor humidity.

Monitor

temperature, humidity, fire, flood, door, DC fan failure, air-con. failure, AC power off, battery voltage.

Alarm

6 relays output alarm signal

upload alarm information via communication

LED display alarm code

Communication

supply monitor software (installed in PC), use RS485/RS232 interfac

Technical parameter:

Input voltage

AC 220V 50Hz, DC 48V

Display

LED

Work ambient temperature

-25°C~+55°C

Work ambient humidity

5%~95%RH

Temperature detect

2 x NTC 103AT, detect range: -30°C ~ 70°C

accuracy: ± 2°C, resolution: 1°C

compensation value can be programmed

Humidity detect

1 channel, detect range: 5% ~ 95%

accuracy: ± 5%, resolution: 1%

compensation value can be programmed

Output relay

6 pcs

AC power protect

Overload, short circuit

Type

Name

Qty

Note

WD3

Temperature sensor

1

Accessories, fixed outside

WS2

Hygrothermograph sensor

1

Accessories, fixed inside

SS-168P

Smog sensor

1

Accessories, fixed inside

HO-03

Intrusion sensor

1

Accessories, fixed on the door

TT

Immersion sensor probe

1

Accessories, put it on the floor

DD5

AC power off sensor

1

Fixed in the box

IA5

Current sensor

1-2

Fixed in the box

DC voltage sensor

1

Integrated in the controller