Samsung AM080FX A Series Service Manual page 265

Wiring Diagram
6-8 Field Wiring (cont.)
Electrical wiring work
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- Main power and the ground cable must be withdrawn through the knock-out hole on the bottom-right or right side of the cabinet.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
Communication Ground cable
cable
cable
<When the module combination is in the tables of "Outdoor unit combination">
Communication cable
Power·ground cable
Communication cable between outdoor units
Protection tube
Specification of the protection tube
Name
Flexible PVC conduit
Class 1 PVC flexible conduit
Class 1 PVC coated flexible con-
duit
Samsung Electronics
(cont.)
u S b
ELCB
or
MCCB+
ELB
Communication
cable between
outdoor units
Power cable
Main unit
Temper grade
PVC
Galvanized steel sheet
Galvanized steel sheet and Soft
PVC compound
u n t i
ELCB
or
MCCB+
ELB
r G u o d n a c e l b
Communication
cable between
outdoor units
o P w e c r b a e l
Sub unit
Sub unit
Power cable
Power/ground cable
When the protection tube is installed indoor and not exposed to outside, because
it is embedded in concrete structure
When the protection tube is installed indoor but exposed to outside so there are
risk of damage to the protection tube
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
u S b u n t i
ELCB
or
MCCB+
ELB
Protection
tube
r G u o d n a c e l b
o P w e c r b a e l
ELCB
or
MCCB+
ELB
Applicable conditions
284