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Never touch the internal parts of the controller.
Do not remove the front panel. Touching certain internal
parts will cause electric shocks and damage to the unit.
Please consult your dealer about checking and adjustment
of internal parts.
Do not leave the remote controller wherever there is
a risk of wetting.
If water gets into the remote controller there is a risk of
electrical leakage and damage to electronic components.
Take care of scaffolding and exercise caution when
working high above ground level.
OPERATION RANGE
If the temperature or the humidity is beyond the following con-
ditions, safety devices may work and the air conditioner may
not operate, or sometimes, water may drop from the indoor unit.
COOLING
INDOOR
OUTDOOR
TEMPERA-
UNIT
TURE
RZQ 71
D
100
21 to 32
B
125
160
RQ 71
100
W
14 to 25
125
B
160
HEATING
For FCQ71 · 100 · 125 · 140KVEA
OUTDOOR
INDOOR
UNIT
TEMPERATURE
RZQ 71
100
D
15 to 27
125
B
160
For FCQN71 · 100 · 125 · 140KVEA
OUTDOOR
INDOOR
UNIT
TEMPERATURE
RQ 71
100
D
15 to 27
125
B
160
D B: Dry bulb temperature
WB: Wet bulb temperature
The setting temperature range of the remote controller is
16°C to 32°C.
Tips for saving energy
• Be careful not to cool (heat) the room too much.
Keeping the temperature setting at a moderate level
helps save energy.
• Cover windows with a blind or a curtain.
Blocking sunlight and air from outdoors increases the
cooling (heating) effect.
Recommended temperature setting
For cooling
For heating
6
OUTDOOR
TEMPERA-
HUMIDITY
TURE
D
80% or below
–5 to 46
B
OUTDOOR
TEMPERATURE
D
–15 to 21
B
W
–15 to 16
B
OUTDOOR
TEMPERATURE
D
–10 to 21
B
W
–10 to 16
B
26 to 28 °C
20 to 24 °C
INSTALLATION SITE
Regarding places for installation
• Is the air conditioner installed at a well-ventilated
place where there are no obstacles around?
• Do not use the air conditioner in the following places.
a. Filled with much mineral oil such as cutting oil
b. Where there is much salt such as a beach area
c. Where sulfured gas exists such as a hot-spring resort
d. Where there are considerable voltage fluctuations
such as a factory or plant
e. Vehicles and vessels
f. Where there is much spray of oil and vapor such as a
cookery, etc.
g. Where there are machines generating electromagnetic
waves
h. Filled with acid and/or alkaline steam or vapor
• Is a snow protection measure taken?
For details, consult your dealer.
Regarding wiring
• All wiring must be performed by an authorized electri-
cian.
To do wiring, ask your dealer. Never do it by yourself.
• Make sure that a separate power supply circuit is pro-
vided for this air conditioner and that all electrical
work is carried out by qualified personnel according
to local laws and regulations.
Pay attention to running noises, too
• Are the following places selected?
a. A place that can sufficiently withstand the weight of the
air conditioner with less running noises and vibrations.
b. A place where the hot wind discharged from the air
outlet of the outdoor unit and the running noises.
• Are you sure that there are no obstacles near the air
outlet of the outdoor unit?
Such obstacles may result in declined performance and
increased running noises.
• If abnormal noises occur in use, consult your dealer.
Regarding drainage of drain pipe
• Is the drain pipe executed to perform complete drain-
age?
If proper drainage is not carried out from the outdoor drain
pipes during air-conditioning operation, chances are that
dust and dirt are clogged in the pipe. This may result in a
water leakage from the indoor unit. Under such circum-
stances, stop the operation of the air conditioner, and then
consult your dealer or our service station.
NAME AND FUNCTION OF EACH SWITCH
AND DISPLAY ON THE REMOTE CON-
TROLLER
Refer to figure 1 on page 3
The illustrations in this operating manual correspond to the
remote control format BRC1C type.
ON/OFF button
1
Press the button and the system will start. Press the
button again and the system will stop.
OPERATION lamp (RED)
2
The lamp lights up during operation.
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