Warning; Operation Range; Operation Procedure - Daikin RXY5MY1 Operation Manual

4. WARNING

4-1 NEVER DO THE FOLLOWING
• Never let the indoor unit or the remote control-
ler get wet.
Do not wash the outdoor unit with water.
It may cause an electric shock or a fire.
• Never use flammable spray such as hair spray,
lacquer or paint near the unit.
It may cause a fire.
• Never touch the air outlet or the horizontal
blades while the swing flap is in operation.
Fingers may become caught or the unit may break
down.
• Never replace a fuse with that of wrong
ampere ratings or other wires when a fuse
blows out.
Use of wire or copper wire may cause the unit to
break down or cause a fire.
• Never put any objects into the air inlet or outlet.
Objects touching the fan at high operating speed
can be dangerous.
• Never remove the fan guard of the outdoor
unit.
A fan rotating at high speed without the fan guard
is very dangerous.
• Never press the button of the remote control-
ler with a hard, pointed object.
The remote controller may be damaged.
• Never pull or twist the electric wire of the
remote controller.
It may cause the unit to malfunction.
• Never inspect or service the unit by yourself.
Ask a qualified service person to perform this work.
• To prevent refrigerant leak, contact your
Daikin dealer.
When the system is installed and run in a small
room, it is required to keep the concentration of
the refrigerant, if by and chance coming out, bel-
low the limit. Otherwise, oxygen in the room may
be affected, resulting in a serious accident.
• Cut off all electric waves before servicing.

5. OPERATION RANGE

Use the system in the following temperature and
humidity ranges for safe and effective operation.
outdoor temperature
indoor temperature
indoor humidity
English
COOLING HEATING
–5°~43°CDB –20°~21°CDB**
–20°~15.5°CWB**
21°~32°CDB 15°~27°CDB
14°~25°CWB
≤ 80%*
** –20°~–15°CWB: Range for operation
–15°~15.5°CWB: Range for continuous operation
*To avoid condensation and water dripping out the
unit.
If the temperature or the humidity is beyond these
conditions, safety devices may work and the air con-
ditioner may not operate.

6. OPERATION PROCEDURE

• Operation procedure varies according to the com-
bination of outdoor unit and remote controller.
Read the chapter "What to do before operation".
• To protect the unit, turn on the main power switch
6 hours before operation.
• If the main power supply is turned off during oper-
ation, operation will restart automatically after the
power turns back on again.
6-1 COOLING, HEATING, AND FAN ONLY
OPERATION
(Refer to figure 4 and 7)
• Changeover cannot be made with a remote con-
troller whose display shows "
(changeover under control).
• When the display "
control) flashes, refer to the chapter "Operation
procedure - Setting the master remote controller".
• The fan may keep on running for about 1 minute
after the heating operation stops.
• The air flow rate may adjust itself depending on
the room temperature or the fan may stop imme-
diately. This is not a malfunction.
FOR SYSTEMS WITHOUT COOL/HEAT
CHANGEOVER REMOTE CONTROL SWITCH
(Refer to figure 4)
Press the operation mode selector button sev-
1
eral times and select the operation mode of
your choice;
" " Cooling operation
" " Heating operation
" " Fan only operation
Press the on/off button.
2
The operation lamp lights up and the system
starts operation.
FOR SYSTEMS WITH COOL/HEAT
CHANGEOVER REMOTE CONTROL SWITCH
(Refer to figure 7)
Select operation mode with the cool/heat
1
changeover remote control switch as follows:
" " " " Cooling operation (Refer to figure 7.1)
" " " " Heating operation (Refer to figure 7.2)
" " " " Fan only operation (Refer to figure 7.3)
"
" (changeover under
4