PACKAGED AC CONTROLLER...
 
   
  SZ 7574 /7575 /7576   (Packaged AC Controller)
   


 
Manual / Wiring Diagram
 

These are panel mounted controllers dedicated for controlling the Package AC units for Single & Multi cooling units.

 
Safety Features

It protects compressor by tripping on HP/LP, OL, SPP fault.
It protects codensor & blower fan by tripping on OL, SPP fault.

 
Main

It controls Compressor, Condenser and Blower

Features

Buzzer for fault indication.

 

HP/LP,OL,SPP trip protection for compressor.

 

Overload protection for condenser & blower.

 
Input &

Temp. Sensor Input 1 : NTC for Package unit.

Output



 
 
 
 

       SZ-7574             SZ-7575              SZ-7576

 

Input

Output

Compressor OL,
Condenser1&2 OL,
Blower OL, HP/LP, CCH
Compressor 1&2 OL, Condenser1&2 OL,
Blower OL, HP/LP 1&2,
CCH 1&2
Compressor 1,2&3 OL, Condenser1,2&3 OL,
Blower OL, HP/LP 1,2&3,

8(3A) for Compressor
Condenser1&2, Blower

8(3A) for Compressor1&2
Condenser1&2, Blower

8(3A) for Compressor1,2 &3
Condenser1,2&3 Blower

 
General

Temperature range 0C to 50C

Specification

230VAC Standard. 110VAC on request.

 

Panel cutout : 92 X 92 mm

 

Screw terminals : Admit 1X 2.5mm2 wire