Samsung DVM PLUS III - Page 717

VI-15
I
NSTALLATION
2) External connection diagram of DVM PLUS III HR
(1) 3 phase 4 wires
MCCB
MCU
ELB
MCCB
ELB
RSTN
OF1 OF2 OF1 OF2 RSTN
Communication cable
between the outdoor units
Communication cable
to MCU's
3 phase 4wires
(380~415V)
Earth
1 phase
2 wires
(220~240V)
Main unit
Main unit Sub unit
Sub unit 1 Sub unit 2
Earth
Wired
remote
controller
Earth Earth
Communication cable
between the outdoor units
Communication cable
from MCU's
(2) 3 phase 3 wires
Communication cable
between the outdoor units
Communication cable
to MCU's
MCCB
ELB
MCCB
ELB
MCCB
ELB
OF1 OF2 RSTN
OF1 OF2 RSTN
MCU
3 phase
3 wires
(380~415V)
1 phase
2 wires
(220~240V)
1 phase
2 wires
(220~240V)
Earth
Main unit Sub unit
Earth
Wired
remote
controller
Earth Earth
Communication cable
between the outdoor units
Communication cable
from MCU's
This line should be removed to protect it from a
short circuit.(Field wiring work)
CC
CC
aa
aa
uu
uu
tt
tt
ii
ii
oo
oo
nn
nn
◆ All materials and methods of wiring work have to comply with local and national codes.
◆ All field wiring work has to be provided by licensed electrician.
◆ For safety and easy maintenance, we strongly recommend that each outdoor unit in module installation needs to
have its own MCCB and ELB.
;
NN
NN
oo
oo
tt
tt
ee
ee
Pull
box
Pull box
1 phase 2 wires
(220~240V)
06_Installation(02~45) 3/15/08 4:34 Page 15