CF-28
DUAL, TRIPLE, POKER DC Inverter : 5. Control Functions
Multi Liberty
DC Inverter
mode. It can be activated by the special button (“POWERFUL”) on IR remote control provided with this Models of
Indoor Unit.
5.16.2 Indoor fan speed is set to “S-Hi” (“Super-High”) or to “U-Hi” (“Ultra-High”), that is to the 4th (higher) step
of fan speed, according to the setting of 2 dip-switches “SW103” placed on dedicated micro-PCB of Indoor Unit.
5.16.3 “POWERFUL” function allows to reduce necessary time to reach the required degree of comfort, as it
increases the volume of treated air. However, this increases noise level from Indoor Unit and electricity consumption
is increased as well. Therefore, “POWERFUL” function must be activated only if thermal charge inside the room
is already very high. It must also be considered that a sudden decrease of room temperature - especially in small
rooms - is not advised as it exposes people to a danger for their health.
5.16.4 The default duration - not modifiable - of operation in “POWERFUL” mode is of 15 minutes. At the end of this
time, Indoor Unit’s fan will run again according to previous speed set before activation of “POWERFUL” function.
5.18 Conflict because of not compatible operation modes among Indoor Units of system
5.18.1 Concerning these systems, simultaneous operation in Cooling and Heating mode of Indoor Units connected
to the same Outdoor Unit is not allowed.
Heating mode has always the priority over the other operation modes.
5.18.2 The Table on the following page shows survey of compatible operation modes (“YES” indication on the Table)
for Indoor Units which are connected to the same Outdoor Unit; the Table also shows not compatbile operation
modes (“NO” indication) for Indoor Units that are connected to the same Outdoor Unit.
5.17 Operation in “TURBO” mode [HKEU X Models)
5.17.1
“TURBO” function is available only when Indoor Unit is operating in Cooling mode. It can be activated by
pressing the special button (“TURBO”) on IR remote control provided with this Models of Indoor Unit.
5.17.2 Indoor fan speed is automatically set to “HIGH”.
5.17.3 “TURBO” function allows to reduce necessary time to reach the required degree of comfort, as it increases
the volume of treated air. However, this increases noise level from Indoor Unit and electricity consumption is
increased as well. Therefore, “TURBO” function must be activated only if thermal charge inside the room is already
very high. It must also be considered that a sudden decrease of room temperature - especially in small rooms - it
is not advised as it exposes people to a danger for their health.
5.17.4 The default duration - not modifiable - of operation in “TURBO” function is of 30 minutes. At the end of this
time, Indoor Unit’s fan will run again according to previous speed set before activation of “TURBO” function.
