AUX ALCF-H18/NDR3HA, Service Manual

Page: 51 / 174

R32
High Efficiency DC Inverter LCAC
47
3. Duct
3.1 18K, 24K, 30K, 36K, 42K,48K,60K
S L N
power
outdoor unit
L N S
S
power
L1 L2 L3
N
θ
Tico Ticm
Evaporator
Ou
tl
e
t S
enso
r
Ev
ap
orat
or M
id S
e
ns
o
r
θ
L
o
N
o
L
o
N
o
Wired
Controller
L
Display
Board
WIFI
M1 M2
Floa
t
switc
h
N S
M5
M8
DC-M
Water PUMP1
L IN N
DISPLAY
DC-M A
C-M
WIFI
PCB
DC
Fan
driv
e
odular
boa
rd
DC Motor
Notes:
Dotted line part in the frame is used for some mode;
θ
Tici Tai
Ev
ap
orat
or Inl
e
t
Se
ns
o
r
Tem
p
erat
u
re
Se
ns
o
r
θ
C-MNL1(2)
To
ou
tdo
or
EXIT
RS 485-BUS1(2)
AC
Motor
C-FA
N
C-FA
N
L-
OU
T
AC-
L1
N-
OU
T
AC-
N1
GND
L-I L-O
LR-S-M
Reactor
M3
UD-S-M
M4
EVL1 EVL2
M6 M7
Step
Motor Step
Motor
EXV
EXV
DC
Motor
Splash
Motor
A B
AB L N
outdoor unit
to outdoor unit
A B L N
to outdoor unit to power
X1 X2 X3 X4
Wired
Controller
RD
(BN)
BU BK
GN YE
16437010000521
L N S