4
Bulkhead Air Conditioners
Operation Manual
• Carefully read the operation manual supplied with your controller. Be
sure to follow the operation instructions to ensure the system functions
correctly.
• Ensure that your installer shows you the location of the main power
switch of the air conditioning system. This switch is normally located
adjacent to the outdoor unit or in the fuse box / switchboard.
• Ensure the air filter is installed in the return air grille.
• Ensure that there are no obstacles near the air outlet of the outdoor
unit. Obstacles such as plants, boxes, fences, etc. may result in
declined performance and increased running noises.
• The main switch must be turned on at least 6 hours before the air
conditioner is operated to warm up the compressor. Failure to do so
may result in damage to the compressor which will not be covered by
warranty.
AUTOMATIC RESTART AFTER POWER FAILURE
• If the air conditioner is operating during a power failure it may
automatically restart in the same mode when the power is restored.
DUAL REMOTE CONTROL OPERATION (Optional)
• A second (optional) remote control may be added to the system to
allow setting and control of the unit at two different locations. This is
particularly useful in two storey applications where one controller
can be installed upstairs and the other controller downstairs. When
dual controls are used the air conditioner will store the last command
entered into either controller. Both controllers will display the same
information, for example; if the temperature on the downstairs
controller is increased from 21 to 23 degrees, the upstairs controller
will also indicate 23 degrees.
OPTIMUM OPERATION
Observe the following precautions to ensure the system operates
efficiently.
• Adjust the room temperature for a comfortable environment. Avoid
excessive heating or cooling.
• Prevent direct sunlight from entering a room during cooling
operation by using curtains or blinds.
• Keep doors and windows closed. If the doors and windows remain
open, room air will flow out and decrease the effect of cooling and
heating.
• Never place objects near the air inlet and the air outlet of the unit.
It may not operate effectively or cause operation to stop.
• Turn off the main power supply switch when not using for long
periods of time. Electricity is consumed as long as the switch is on.
Turn off the main power supply switch in order to save energy. Turn
on the main power supply switch 6 hours before restarting operation
in order to ensure smooth operation. (Refer to MAINTENANCE)
• Ventilate the room regularly. Using the unit for long periods of time
requires regular ventilation of the room.
• When the display shows “ “ or “lter” (TIME TO CLEAN THE AIR
FILTER), clean the lter(s). (Refer to MAINTENANCE)
OPERATION RANGE
If the temperature or the humidity is outside the following conditions,
safety devices may not work and the air conditioner may not operate.
Heating Temperature (°C)
Indoor DB 10 to 27
Outdoor DB -15 to 24
DB: Dry bulb temperature
IMPORTANT NOTES ABOUT THE OPERATION OF YOUR AIR CONDITIONER
Cooling
Temperature (°C)
Indoor DB
19 to 35
Outdoor DB
-10 to 50
CONTROLLERS
This equipment can operate with a variety of Daikin Controllers. Please refer to the Operation Manual supplied with your controller.
TYPES OF PRODUCT AND OPERATING NOISE
WHAT TO DO BEFORE OPERATING YOUR SYSTEM FOR THE FIRST TIME
FDYBA35AV1 FDYBA50AV1
Model
Name
Function
Heat pump type
Type of unit structure
Split type
Cooling type of condenser
Air cooling type
Type
Rated cooling capacity (W)
2500
3500 5000
3500
4000 6000
Rated heating capacity (W)
(Only heat pump type)
FDYBA25AV1
FDYBA71AV1
Model
Name
Function
Heat pump type
Type of unit structure
Split type
Cooling type of condenser
Air cooling type
Type
Rated cooling capacity (W)
6000
7100
7000
8000
Rated heating capacity (W)
(Only heat pump type)
FDYBA60AV1
CAUTION
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