Carrier CDII-184R1-0CTR4 Installation & Operation Manual page 48

9.6.3 CDU CONTROLLER ASSEMBLY:
CDU control box is factory mounted in CDU (outdoor unit). It comprises of one 3-phase 4 wire MCB
(63 Amps), CDU controller PCB with temperature sensors and electrical wiring for drive and indoor
unit .
7 HP, 11 HP & 14 HP
Temperature
CDU Coil In (In let)Temperature
CDU Coil Middle (mid let) Temperature
CDU Coil Out (Outl e t ) Temperature
(Suction)
CDU Ambient Temperature
CDU Discharge Line Temperature
sensor
9.6.4 DRIVE ASSEMBLY
Inverter drive assembly is factory mounted in CDU (outdoor unit). It comprises of Inverter drive,
EMI filter, Reactor.
Parts
Drive Control Panel Assy.
CDU Control Box Assy.
Drive
EMI Filter
DLC (Reactor)
22 HP (Master)
sensor
sensor
sensor
sensor
sensor
(DLT)
7 HP 11 HP
1511972 1511984
1031810 1031810
1031333 1031334
1029761 1029761
1029762 1029762
48
22 HP (Slave)
Resistance @ 25 deg C Part Code
10 K @ 25 Deg C
6.8 K @ 25 Deg C
6.8 K @ 25 Deg C
6.8 K @ 25 Deg C
10 k @ 25 Deg C
14 HP
1512643
1031810
1031335
1029761
1029762
1029790
1029789
1029791
1029788
1029792
22 HP
1511984
1513093 1513094
(Master) `(Slave)
1031334
1029761
1029762