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Installation of indoor unit
EDUS281008
36
Installation of indoor / outdoor unit
3P250363-3B
English
12
Turn the MAIN/SUB changeover switch on one of the
(2)
two remote controller PC boards to “S”.
(Leave the switch of the other remote controller set to “M”.)
S
M
S
S
M
(F
a
cto
r
y
se
tt
ing
)
O
n
ly o
ne
rem
ot
e
co
n
t
r
oll
er
nee
d
s
to b
e
ch
ange
d
i
f f
a
cto
r
y
se
tt
ings
h
a
v
e
remaine
d u
n
touch
e
d
.
R
em
ot
e
co
n
t
r
oll
er
PC bo
ar
d
Wiring Method
(
S
ee ‘‘8. ELECT
R
IC WI
R
ING WO
R
K’’)
R
emove the electric component
b
ox cover.
(3)
Add remote controller 2 (SUB) to the terminal block
(4)
for remote controller (P¹, P²) in the electric component
box.
(There is no polarity.)
R
em
ot
e
co
n
t
r
oll
er
wiring
t
ermina
l block
R
em
ot
e
co
n
t
r
oll
er
2
(SUB)
R
em
ot
e
co
n
t
r
oll
er
1
(
M
AI
N
)
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
RE
M
OTE
CO
N
TRL
TRA
N
S
M
ISSIO
N
W
IRI
N
G
REMOTE CONTROL (FORCED OFF AND ON/
9-3
OFF OPERATION)
Connect input lines from the outsi
d
e to the terminals T
•
¹ an
d
T² on the terminal
b
lock (6P) for remote controller to achieve
remote control.
S
ee the “
•
10. FIELD SETTING AND TEST RUN
” for
d
etails
on operation.
I
n
put A
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
RE
M
OTE
CO
N
TRL
TRA
N
S
M
ISSIO
N
W
IRI
N
G
Wire specifi cation
S
heathe
d
vinyl cor
d
or ca
b
le (2 wires)
Gauge
A
WG18 – 16
Length
Max. 328 ft.
External terminal
Contact that can ensure the minimum
applica
b
le loa
d
of 16 V DC, 1 m
A
.
CENTRALIZED CONTROL
9-4
For centralize
d
control, it is necessary to
d
esignate the
•
group No. For
d
etails, refer to the manual of each optional
controller for centralize
d
control.
FIELD SETTING AND TEST RUN
10.
〈
Field settings may have to be performed using the re-
mote controller, depending on the type of installation.
〉
Make sure the electric component box covers are
(1)
closed on the indoor and outdoor units.
Depending on the type of installation, make the fi eld
(2)
settings from the remote controller after the power is
turned on, following the “Field Settings” manual which
came with the remote controller.
The settings can select “Mo
d
e No.”, “FI
RS
T CODE NO.”
•
an
d
“
S
ECOND CODE NO.”.
The “Fiel
d
S
ettings” inclu
d
e
d
with the remote controller
•
lists the or
d
er of the settings an
d
metho
d
of operation.
SETTI
N
G
M
od
e
N
o
.
FIELD SET
M
ODE
SECO
N
D
CODE
N
O
.
FIRST
CODE
N
O
.
Lastly, make sure the customer keeps the “Fiel
d
S
ettings”
•
manual, along with the operating manual, in a safe place.
SETTINGS WHEN USING THE OPTIONAL RE-
10-1
MOTE SENSOR
This pro
d
uct
d
oes not inclu
d
e an air inlet thermistor.
It uses a remote controller thermistor for control purposes.
For this reason, it is necessary to install an optional remote
thermistor in the following cases:
When the remote controller will
b
e installe
d
at a location
•
where it cannot accurately measure the in
d
oor temperature.
When using a remote controller without a
b
uilt-in thermistor
•
(simple remote controller, wireless remote controller, no
remote controller).
When using an optional remote sensor, change the settings as
d
escri
b
e
d
Ta
b
le 3:
(The
S
ECOND CODE NO. is set to “03” when shippe
d
.)
Table 3
Mo
d
e No.
FI
RS
T
CODE NO.
S
ECOND
CODE NO.
To use
b
oth the remote
controller thermistor an
d
the
remote sensor
10 (20)
2
01
To use only the remote sensor
02
To use only the remote
controller thermistor
03*
* factory set
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