ICC / ICU SYSTEM INSTALLATION MANUAL
January2005: E\Manuals\Others\Qualitair\ICC\0412115B
11
8. POWER & CONTROL CONNECTIONS
Figure 8.1 – Electrical Interconnecting Diagrams
N
L
S
C
L
N
E
C
N
L
L
3
L
2
L
1
N
E
C
S
R
Power
Feed
PE
PE
Power
Feed
C
PE
PE
H
SPECIAL NOTES:
ENSURE THREE PHASE SUPPLY IS CONNECTED CORRECTLY OR THE THREE PHASE COMPRESSORS
WILL RUN BACKWARDS.
8.1
Wiring-up the Unit
Electrical terminations should be made onto the screw terminal side of the indoor and outdoor unit
terminal blocks.
8.2 Wiring
Requirements
Power supply – Connection of isolation power supply to the outdoor unit.
Interconnecting Wiring – Power and signal cables run between outdoor and indoor unit.
Details of the fuse ratings and cable requirements are given in tables 7.5, 7.6, 7.7, of this
manual.
8.3 Terminations
Details of cable terminations and interconnections are given in Figure 8.1.
SPECIAL NOTES:
REFER TO KIT INSTRUCTIONS FOR ELECTRICAL CONNECTION OF SITE OPTION KITS!!
DO NOT MEGGER OR FLASH TEST WITH ELECTRONIC PCB’S IN CIRCUIT!!
INDOOR AND OUTDOOR UNITS SHOULD HAVE LOCAL ELECTRICAL ISOLATORS.
