9 English
Operation Range
This unit is designed to operate in the ranges provided below. Operating the unit outside the specified range may render the
unit inoperable or lead to nuisance condensate drip from the indoor unit.
COOLING
HEATING
Ambient temperature around the outside unit
35 to 104°FDB(2 to 40°CDB)
Ambient humidity around the outside unit
≤ 80%
Indoor temperature
57 to 77°FWB(14 to 25°CWB) 59 to 80°FDB(15 to 27°CDB)
Entering water temperature of the outside unit
50 to 113°F*(10 to 45°C*)
Water flow rate in the outside unit
13.2(21.2**) to 39.6gpm***(50(80**) to 150L/min***)
* The entering water temperature range may vary depending on the system or if antifreeze is used.
For details, contact your Daikin dealer.
** In case of antifreeze used.
*** This value shows a quantity of water per one outside unit.
Note
●
Cooling operation:
If the air conditioner is operated continuously while the indoor temperature is 70°FDB(21°CDB) or below and the humidity is 80% or
over, the interiors of the indoor units may cause icing and water leakage may result.
Operation Procedure
●
Operation procedure varies according to the combination of outside unit and remote controller. Read the chapter “What to
do before operation”.
● Do not turn it off during the air conditioning season to ensure a smooth startup operation.
● If the main power supply is turned off during operation, operation will restart automatically after the power turns back on
again.
Note
●
Automatic operation (Heat recovery system only)
In this operation mode, cool/heat changeover is automatically conducted.
For Systems with Cool/Heat Selector
●
Select operation mode with the Cool/Heat selector as follows:
Cooling operation
Heating operation
Fan only operation
● Press On/Off button.
The operation lamp lights up and the system starts operation.
