Samsung DVM Installation Manual page 20

FCU KIT installation
AC, FAN power
output cable
Use conduit (1/2") and fitting (1/2") for power cable, and use cable gland (3/4") for DC
cables.
Each parts must be certified by national authority.
– USA: UL certified products (UL514B), Europe: CE certified products
Withdraw DC cables by spare holes if the DC cable wire holder is too tight.
Use double-sheathed cables when using DC spare holes.
Fix the power and communication cable at internal mount tie by using cable ties.
Do not unscrew water valve cable wire holder if not used.
Installation may be more simple by inserting sensor connector before connecting
communication cable.
The Water Valve and Modulating Valve cannot be used at the same time.
20
AC, Power AC, water valve
input cable power output cable
(BLDC Fan Control,
Modulating Valve 1,2)
Power cable: Conduit and Conduit fitting (1/2") work by installer
Water valve: Conduit and Conduit fitting (1/2") after separating
screw by installer when necessary
DC, zero voltage contact: cable gland (3/4") work by installer
Spare holes
(Use for DC cables)
DC Communication cable (F1, F2, R1, R2),
Room sensor (optional), Water sensor,
Wired remote controller, External contact