Samsung CNH NDB Series Technical Data Book page 86

Installation
2 Insert the cables through the conduits, and then fix the
conduits to the conduit plate with the lock nuts.
3 Apply silicone to the end of the hose to prevent rain
from entering the hose.
Conduit inserted into the outdoor unit
4 Connect the cables to the outdoor units.
For how to connect the cables, refer to the next page.
5 Attach the conduit plate to the product.
Air conditioning system examples
When using earth leakage circuit breaker (ELCB) for a
single phase
MCCB
ELB
1
OR
ELCB
1
Connecting the main power cable
When using ELB for AC009BXADCH, AC012BXADCH (1-phase)
MCCB
ELB
Indoor Unit
Silicone
Outdoor Unit
Indoor Unit
Main power
cable
MCCB
ELB
1
OR
ELCB
1
Outdoor Unit
picture depending on the model.
CAUTION
• If the outdoor unit is installed in a location vulnerable
to an electric leak or submergence, make sure to
install an ELCB.
•
since this product is equipped with a base heater.
2(N)
1(L) L N
Communication cable
Outdoor-to-indoor power cable
Earthing
Indoor Unit
: ELCB must be installed
F1 F2