Samsung AM080FX A Series - Page 265

Wiring Diagram
Samsung Electronics 284
6-8 Field Wiring (cont.)
Electrical wiring work (cont.)
Power and communication cable configuration
- Main power and the ground cable must be withdrawn through the knock-out hole on the bottom-right or right side of the cabinet.
- Withdraw the communication cable from the designated knock-out hole on the bottom-right side of the front part.
- Install the power and communication cable using separate cable protection tube.
- Fix a protection tube to the knock-out hole on the outdoor unit by using a CD connector or bushing. Make sure to use insulating bushing.
Main unit
tinu buStinu buS
elbac dnuorGelbac dnuorG
Communication
Ground cable
cable
cable
elbac rewoPelbac rewoPPower cable
Communication
cable between
outdoor units
Communication
cable between
outdoor units
Protection
tube
ELCB
MCCB+
ELB
or
ELCB
MCCB+
ELB
or
ELCB
MCCB+
ELB
or
<When the module combination is in the tables of "Outdoor unit combination">
Main unit
Sub unit
Sub unit
ELCB
MCCB+
ELB
or
Communication cable
Power·ground cable
Communication cable between outdoor units Power cable
Protection tube Power/ground cable
Specification of the protection tube
Name Temper grade Applicable conditions
Flexible PVC conduit PVC
When the protection tube is installed indoor and not exposed to outside, because
it is embedded in concrete structure
Class 1 PVC flexible conduit Galvanized steel sheet
When the protection tube is installed indoor but exposed to outside so there are
risk of damage to the protection tube
Class 1 PVC coated flexible con-
duit
Galvanized steel sheet and Soft
PVC compound
When the protection tube is installed outdoor and exposed to outside so there are
risk of damage to the protection tube and extra waterproof is needed