GEA Searle NSQ Series, Installation And Maintenance Instructions Manual

 
11. WIRING SCHEMATICS AND CONTROL PANEL LAYOUTS 

 
Please refer to the part number of the unit to select the correct wiring diagram from the table below. 
Select the wiring diagram from the model type of the unit, then unit size, then by electrical supply, and finally by 
Condenser fan type. For Example :- 
 
SCQ13-1MX-A (No Options) 
SCQ - Model Type, 13 - unit size, -1 – 1 phase supply, AC Fans, Use drawing SCQ-611-06-XXX-W 
 
SCQ9-3LX-A (No Options) 
SCQ - Model Type, 9 - unit size, -3 – 3 phase supply, AC Fans, Use drawing SCQ-613-XXX-W 
 
NSE15-1MX-A 
NSE - Model Type, 15 - unit size, -1 – 1 phase supply, AC Fans, Use drawing 44-611-06-XXX-W 
 
NSQ45-3MS-C3WI-PV 
NSQ - Model Type, 45 - unit size, -3 – 3 phase supply. W – Unit with Fan speed control, Anti Cycle Timer and 
alarm relay, AC Fans, use drawing 44-613-06-XXX-W. 
 
NDQ45-3MS-C3EI-C 
NDQ - Model Type, 45 - unit size, -3 – 3 phase supply. E – Unit with Electronic control, EC Fans, 
use drawing 44-613-06-XXX-W. 
 
Wiring diagrams for units with AC standard fansets cover all electrical options F, W and T. 
Wiring diagrams for units with EC fansets cover electrical option E. 
Units with Digital compressors are fitted with electronic controls and AC fans as standard, units may also be fitted 
with EC fans as an option. 
 

UNIT TYPE 

UNIT SIZE 

3Ph or 1Ph 

AC FANS (Opts. F/W/T) 

EC FANS (Opts. E) 

Layout Drawing 

SCQ-611-06-XXX-W (p10) 

All Units 

1 

SCQ-6X1-XX (p12) 

SCQ 

N/A 

SCQ-613-06-XXX-W (p11) 

All Units 

3 

SCQ-6X3-XX (p13) 

NSQ 

NSE 

15 1 

44-611-16-XXX-W (p14) 

44-611-16-XEX-W (p15) 

44-611-ST2 (p23) 

NSQ 

44-611-06-XXX-W (p16) 

44-611-06-XEX-W (p17) 

19 to 26 

1 

44-611-ST2 (p23) 

NSE 

NSQ 

44-613-06-XXX-W (p18) 

44-613-06-XEX-W (p19) 

15 to 45 

3 

44-613-ST2 (p24) 

NSE 

44-613-XDX-W (p20) 

44-613-06-XEX-W (p19) 

NDQ 

30 to 45 

3 

44-613-ST2 (p24) 

NCQ 

44-633-16-XXX-W (p22) 

56 to 110 

3 

N/A 

44-633-3-ST2 (p24) 

NCE 

9