Telecom A/C Cum ATM Controller ...
   
 
SZ 75651-C3 (Dual AC Temperature Indicator)
     
Main Features

Switch off two AC at setpoint.

 

AC fail alarm.  Voltage Sensing. ►   Digital Inputs.

 

Auto/ Manual switch.

 

Internal swapping for maintain equal run-hours.

 

RS485 Connectivity (optional).

 
Input & Output

NTC Sensor.

 

Digital Inputs : HP, LP, UL OL, UV, OV.

 

Digital output : Compressor1, Compressor2, Alarm1, Alarm2, HT alarm.

 
Application

For Dual AC and ATM centers.

 
General

Temperature Range : 0.0C to 50.0C.

Specification

230V Standard.

Wall Mounted

 
   
   
  Free Cooling Controller (Temperature Controller with Emergency Frecooling)
   


 
Manual / Wiring Diagram
 

Main Features

For independent free cooling units.

 

48Vdc operated.

 

Free / Emergency cooling.

 
Input & Output

2 NTC for Ambient and Shelter temperature.

 

Relay output : 8(3)   ► 20Amp (Optional)

  Humidity (optional).
  Digital Input : COMP ON-Feedback,compressor fail alarm.
Output : DC Fan, Compressor interlock, Alarm output, Contact for Data Logger.
 
Application

For telecom shelter.
 
General Temperature Range : 0.0C to 50.0C
Specification Wall Mounted.
  Spade terminals (for 20Amp.)
   
   
  SZ-FC4000 (Dual AC Temperature & Freecooling Controller)
 


 
Manual / Wiring Diagram
 

Main Features Dual AC controller with free & emergency cooling.
  AC fail alarm.
  Compressor fault sensing. (HP, LP)
  OverCurrent & Undercurrent sensing for compressor.
  Internal swapping to maintain equal run-hours.
  RS485/ RS232 connectivity (optional).
 
Input & Output 2 NTC for Ambient and Shelter temperature, 1 Humidity sensor
  Digital Inputs : HP, LP, UL, OL, MCB1, MCB2.
  Digital output : Fan1, Fan2, Compressor1, Compressor2, Damper1, Damper2, Ac1 fail alarm, Ac2 fail alarm, HT alarm.
 
Application For telecom shelters.
 
General Temperature Range : 0.0C to 50.0C.
Specification Input power supply 230VAC.
  Wall Mounted.
   
   
  SZ-FC5000 (Temperature Controller with Emergency Freecooling)
 



Manual / Wiring Diagram
 

Main Features 48Vdc operated. Dual AC controller with free & emergency cooling.
  AC fail alarm. Compressor fault sensing. (HP, LP).
  Over Current & Undercurrent sensing for compressor.
  Internal swapping to maintain equal run-hours.
  RS485/ RS232 connectivity (optional).
 
Input & Output 2 NTC for Ambient and Shelter temperature, 1 Humidity sensor.
  Digital Inputs : HP, LP, UL, OL, MCB1, MCB2, DC fan fault sensing .
  Digital output : DC Fan1, DC Fan2, Compressor1, Compressor2, Damper1, Damper2, Ac1 fail alarm, Ac2 fail alarm, HT alarm.
 
Application

For telecom shelters.
 
General

Temperature Range : 0.0C to 50.0C.
Specification Input power supply 48VDC.
  Wall Mounted.
  Note: Single AC controlling option available with wall mounting / panel mounting.
 
   
   
  SZ - FS 1000
 


 
Manual / Wiring Diagram
 

Main Features Controls fan speed for condensor or evaporator.
  The controllers are configurable to start fans at the max speed for 10 seconds.
  Controller can be used as Master / Slave to connect to other fan speed controllers.
  Saves power corresponding to ambient requirements.
 
Input & Output 4...20mA or NTC
  230VAC
 
Application

To control fan speed for condensor or evaporator.