2/3 & 4 Compressor...
 
   
  SZ 7552P/7562P  2 Compressor Controller
   


 
Manual / Wiring Diagram

Main Features

Individual set points, differentials and time delays.

 

Cycling of compressors to avoid overloading one compressor.

 

Activate second compressor incase first compressor is not able to handle the load.

   

An internal 10sec time delay is provided to avoid simultaneous startups of compressors to prevent an electrical surge.

   

Software keypad lock to avoid parameter tampering by bystanders.

 
Input & Output

Relay output : 8(3)A for two Compressors..

 

Temp. Sensor Input : 1 NTC Probe.

 
Application

For 2 independent cooling units with one temperature sensor.

 

General Specification

Temperature range 0C to 50C (SZ 7552P) & -50C to 99C (SZ 7562P).

 

230VAC Standard. Other models with 12VDC, 24VDC, 110VAC on request.

   

Panel cutout : 29 X 71 mm Screw terminals : Admit 1X 2.5 mm2 wire.

 
 
  SZ-7032
 


 
 Manual / Wiring Diagram
 

Size
(H X W X D)

 

96 X 96 X 110
 
Display

RED, 4 DIGIT, 7 SEGMENT LED.
 
Control Action

TIME PROPORTIONAL / ON- OFF.
 
Sensor (Range)

 Tc J
 0C to
 700C.
Tc K
 0C to
 999C.
PT-100
 (2 WIRE)
 -99C to 850C
PT-100
 (3 WIRE)
 -99.9C to 99.9C
     
Resolution

J , K , 2 WIRE PT-100 : 1C, 3 WIRE PT-100 : 0.1C
 
Accuracy

0.1% OF FULL SCALE / 1C
 
Set point

2 SET POINT
 
Relay Action

HEATING & COOLING
 
Relay Rating

2 RELAY : 5A @ 230VAC
1 ALARM : 5A @ 230VAC
 
Optional Output

12VDC OUTPUT TO DRIVE SSR
 
Power Supply

100-265 VAC
 
Temperature

OPERATING : 5C TO 50C , STORAGE : -20C TO 70C (non condensing)
 
Housing

ABS PLASTIC
 
Weight

344 gm
 
Cutout

92 X 92
     
   
   
  SZ-7033
 

 
Manual / Wiring Diagram

 
Size
(H X W X D)

96 X 96 X 110
 
Display

RED, 4 DIGIT, 7 SEGMENT LED.
 
Control Action

TIME PROPORTIONAL / ON- OFF.
 
Sensor (Range)

Tc J
 0C to
 700C.
Tc K
 0C to
 999C.
PT-100
 (2 WIRE)
 -99C to 850C
PT-100
 (3 WIRE)
 -99.9C to 99.9C
     
Resolution

J , K , 2 WIRE PT-100 : 1C, 3 WIRE PT-100 : 0.1C
 
Accuracy

0.1% OF FULL SCALE / 1C
 
Setpoint

3 SET POINT
 
Relay Action

HEATING & COOLING
 
Relay Rating

3 RELAY : 5A @ 230VAC
1 ALARM : 5A @ 230VAC
 
Optional Output

12VDC OUTPUT TO DRIVE SSR
 
Power Supply

100-265 VAC
 
Temperature

OPERATING : 5C TO 50C, STORAGE : -20C TO 70C (non- condensing)
 
Housing

ABS PLASTIC
 
Weight

350gm
 
Cutout

92 X 92
     
   
   
  SZ-7034
 


 
Manual / Wiring Diagram
 

Size
(H X W X D)

96 X 96 X 110
 
Display

RED, 4 DIGIT, 7 SEGMENT LED.
 
Control Action

TIME PROPORTIONAL / ON- OFF.
 
Sensor (Range)

Tc J
 0C to
 700C.
Tc K
 0C to
 999C.
PT-100
 (2 WIRE)
 -99C to 850C
PT-100
 (3 WIRE)
 -99.9C to 99.9C
     
Resolution

J , K , 2 WIRE PT-100 : 1C, 3 WIRE PT-100 : 0.1C.
 
Accuracy

0.1% OF FULL SCALE / 1C
 
Setpoint

4 SET POINT
 
Relay Action

HEATING & COOLING
 
Relay Rating

 

4 RELAY : 5A @ 230VAC
1 ALARM : 5A @ 230VAC
 
Optional Output

12VDC OUTPUT TO DRIVE SSR
 
Power Supply

100-265 VAC
 
Temperature

OPERATING : 5C TO 50C, STORAGE : -20C TO 70C (non- condensing)
 
Housing

ABS PLASTIC
 
Weight

356gm
 
Cutout

92 X 92