A.S.Controls

Products/ Temperature Controllers / Packaged AC Controller / SZ 7574/7575/7576 - Packaged AC Controller


	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. It protects compressor & other devices by Switching them OFF incase of respective faults. For example the controller trips the compressor on HP fault and not switching it on till the fault persists.

Main Features

	It controls Compressor, Condenser and Blower
	Buzzer for fault indication.
	HP/LP,OL,SPP trip protection for compressor.
	Overload protection for condenser & blower.

Input & Output

Temp. Sensor Input 1 : NTC for Package unit.

	SZ-7574	SZ-7575	SZ-7576
Inputs	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,

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

General Specification

	Temperature range 0°C to 50°C
	230VAC Standard. 110VAC on request.
	Panel cutout : 92 X 92 mm
	Screw terminals : Admit 1X 2.5mm²wire

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17-02-2011