Kaysun KEM-30 DNH3, Technical Manual

Page: 95 / 160

Note:
,1.Wiring of “ON/OFF” weak electric port
Corresponding parallel connect the “ON/OFF”(dry contact input signal) port of the main unit’s electric control
box, then, connect the “ON/OFF” signal (provide by user) to the “ON/OFF” port of main unit as follows.
,2.Remote mode selection: Wiring of “HEAT/COOL” weak electric port
Corresponding parallel connect the “HEAT/COOL” (dry contact input signal) port of the main unit’s electric
control box, then, connect the “ON/OFF” signal (provide by user) to the “HEAT/COOL” port of main unit as
follows.
,3.Wiring of “ALARM” port
Connect the device provided by user to the “ALARM” (dry contact output signal) ports of the module units as
follows.
If the unit is operating normally, the ALARM port is closed, otherwise, the ALARM port is not closed.
0# electric
control box
“ON/OFF” port
ON
P
ow
er
(D
C 1
2V
)
Ma
in
c
on
tro
l b
oa
rd
is
p
ro
vid
ed
Red
Blue
0# electric
control box
“ON/OFF” port
OF
F
P
ow
er
(D
C 1
2V
)
Ma
in
c
on
tro
l b
oa
rd
is
p
ro
vid
ed Red
Blue
0# electric
control box
“HEAT/COOL” port
HE
A
T
P
ow
er
(D
C 1
2V
)
Ma
in
c
on
tro
l b
oa
rd
is
p
ro
vid
ed
Brown
Black
0# electric
control box
“HEAT/COOL” port
CO
O
L
P
ow
er
(D
C 1
2V
)
Ma
in
c
on
tro
l b
oa
rd
is
p
ro
vid
ed
Brown
Black
electric control box
“ALARM” port
D
ev
ic
e
pr
ov
id
ed
by
us
er
Red
Red