Comfort-Aire VFH 24 CA - Manual (Page 14)

VFH InverterFlex ® - Ceiling Cassette Control Heat Controller
Wired Remote Controller XK19
12
3.11 Other Functions
(1). Lock
Upon startup of the unit without malfunction or under the “Off” state of the unit, press ▲ and
▼ at the same time for 5s till the wired remote controller enters the Lock function. In this case, LCD
displays . After that, repress these two buttons at the same time for 5s to quit this function.
Under the Lock state, any other button press won’t get any response.
(2). Memory
Memory switchover: Under the “Off” state of the unit, press Mode and ▲ at the same time for
5s to switch memory states between memory on and memory off. When this function is activated,
Memory will be displayed. If this function is not set, the unit will be under the “Off” state after power
failure and then power recovery.
Memory recovery: If this function has been set for the wired remote controller, the wired
remote controller after power failure will resume its original running state upon power recovery.
Memory contents: On/Off, Mode, set temperature, set fan speed and Lock function.
(3). Selection of the Temperature Sensor
Under OFF state of the unit, press both “Function” and “Timer” for five seconds to go the
commissioning status. Under this status, adjust the display in the temperature display area to “00”
through the button “Mode”, and then adjust the option of the temperature sensor in the timer display
area through the button ▲ or ▼.
① . Indoor ambient temperature is sensed at the return air inlet(01 in the timer display area).
② . Indoor ambient temperature is the sensed at the wired controller(02 in the timer display area).
③ . Select the temperature sensor at the return air inlet under the cooling, dry and fan modes,
while select the temperature sensor at the wired controller under the heating and auto
modes.(03 in the timer display area).
④ . Select the temperature sensor at the wired controller under the cooling, dry and fan modes,
and select the temperature sensor at the return air inlet under the heating mode and auto
modes (04 displayed in the timer display area).
The factory defaulted setting is ③ .
After the setting, press “Enter/Cancel” to make a confirmation and quit this setting status.
Pressing the button “On/Off” also can quit this commissioning status but the set data won’t be
memorized.
Under the commissioning status, if there is no any operation in 20 seconds after the last button
press, it will back to the previous state without memorizing the current data.
(4). Selection of the Fan Speed
Under OFF state of the unit, press both the buttons “Function” and “Timer” for five seconds to
go to the commissioning status, and then adjust the display in the temperature display area to 01
through the button “Mode” and adjust the setting of the fan speed, which comes to two options.
01: Three low fan speeds; 02: Three high fan speeds
After the setting, press “Enter/Cancel” to make a confirmation and quit this setting status.
Pressing the button “On/Off” also can quit this commissioning status but the set data won’t be memorized.
Under the commissioning status, if there is no any operation in 20 seconds after the last button
press, it will back to the previous state without memorizing the current data.
12