Airedale Condensing Units (CU) 3kW - 80kW - Manual (Page 18)

CUS 15 - 60 / HCU 20 – 30D
Condensing Units
Chiller & Condensing Units
Installation & Maintenance:Part No: 6259592 IM 07\14
18
Field Connections
CUS 15-30
&
HCU 20-30 UNITS
L1

L2 
L3
  Mains Incoming
N  400/3/50
E

L4
  L4-N1 Permanent Supply
N1

230/1/50
500
  0V
502   24VAC Customer’s Control
530
  502-530 Stage Two Cool - Customer's Control
535   502-535 Stage One Cool - Customer's Control
531
  531-500 Liquid Line Solenoid - Circuit 2
Customer
Supply
532   532-500 Liquid Line Solenoid - Circuit 1
526   526-527 Common Volt Free Alarm N/O Contact
527

CUS 40-60 UNITS
L1

L2 
L3
  Mains Incoming
N  400/3/50
E

L4
  L4-N1 Permanent Supply
N1  230/1/50
500   0V
502
  24VAC - Customer’s Control
506   502-506 Stage One Cool - Customer's Control
513
  502-513 Stage Two Cool - Customer's Control
522
  522-552 Stage Three Cool - Customer's Control
552

523
  523-555 Stage Four Cool - Customer's Control
555 
507
  507-500 Liquid Line Solenoid 1 - Circuit 1
Customer
Supply
514   514-500 Liquid Line Solenoid 2 - Circuit 2
507   507-500 Liquid Line Solenoid 1 - Comp 1, Circuit 1
514
  514-500 Liquid Line Solenoid 2 - Comp 1, Circuit 2
522   522-500 Liquid Line Solenoid 3 - Comp 2, Circuit 1
523
  523-500 Liquid Line Solenoid 4 - Comp 2, Circuit 2
526
  526-527 Common Volt Free Alarm N/O Contact
527 