Specification Of The Protection Tube; Main Unit; Sub Unit - Samsung DVM S AM100MXVDGH/ET Technical Data Book

10. Installation
Electrical wiring work
<When the module combination is in the tables of "Outdoor unit combination">

Main unit

Communication cable
Power·ground cable
Communication cable between outdoor units
Protection tube

Specification of the protection tube

Name
Flexible PVC conduit
Class 1 flexible conduit
Class 1 PVC coated flexible
conduit
44

Sub unit

Temper grade
PVC
Galvanized steel sheet
Galvanized steel sheet and
Soft PVC compound
Sub unit
Power cable
Power/ground cable
Applicable conditions
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
ELCB
or
MCCB+
ELB