Condensing units, Field connections – Airedale Condensing Units (CU) 3kW - 80kW User 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