3. OPERATION RANGE
5
COOLING
HEATING
DB: Dry bulb temperature (°C)
WB: Wet bulb temperature (°C)
OUTDOOR
UNIT
INDOOR
OUTDOOR
TEMPERA-
TURE
TEMPERA-
TURE
HUMIDITY
RZAS-B
RZA-B
RZAV-C
D
B
21 to 32
80%
or below
D
B
–5 to 50
–5 to 46
W
B
14 to 25
OUTDOOR
UNIT
INDOOR
TEMPERATURE
OUTDOOR
TEMPERATURE
RZAS-B
RZA-B
RZAV-C
RZAC-C
D
B
15 to 27
D
B
–15 to 21
W
B
–15 to 16
PRECAUTIONS FOR GROUP CONTROL
SYSTEM OR TWO REMOTE CONTROLLERS
CONTROL SYSTEM
This system provides two other control systems
beside individual control (one remote controller
controls one indoor unit) system. Confirm the
following if your unit is one of the following control
system type.
• Group control system
One remote controller controls up to 16 indoor units.
All indoor units are equally set.
• Two remote controllers control system
Two remote controllers control one indoor unit (In
case of group control system, one group of indoor
units)
The unit is individually operated.
NOTE
• Contact your local dealer in case of changing the
combination or setting of group control and two
remote controllers control system.
• Please do not change the combination and
settings for the group operation and two remote
controllers control systems by yourself, but be
sure to ask your local dealer.
• Read the operation manual attached to the
remote controller you are using.
When using a wireless remote controller, refer to the
operation manual attached to the wireless remote
controller kit.
If your installation has a customized control
system, ask your local dealer for the operation that
corresponds to your system.
Names and functions of parts
a
b
c
d
o
e
f
g
h
i
j
k
l
m
n
a Drain discharge device (built-in)
b Drain pan inspection window
c
Remote controller
Depending on the system configuration, the
remote controller is not provided.
d Wiring between the indoor and outdoor units
e Air outlet grille (Field supply)
f Exhaust duct (Field supply)
g Refrigerant piping
h Drain piping
i Model name (Model name plate)
j Air filter (Optional parts)
k Suction filter chamber (Optional parts)
l Suction duct (Field supply)
m Suction grille (Field supply)
n
Earth wiring
The wiring passes electricity from the inside
unit to the earth to prevent accidental electrical
shock.
o Power supply wiring
If the temperature or the humidity is beyond the
following conditions, safety devices may work and
the air conditioner may not operate, or sometimes,
water may drop from the indoor unit.
RZF
RZAC-C
21 to 32
14 to 25
21 to 32
80%
or below
80%
or below
D
B
D
B
21 to 46
14 to 25
D
B
W
B
D
B
W
B