INVENTOR V5MFI-66, User & Installation Manual

Page: 12 / 160

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Fan speed button: This button is used to select the desired fan speed. Each time you push the
button, the fan speed is shifted in the following sequence:
Fan speed display:
NOTE: You can not select a fan speed under AUTO and DRY mode. The fan speed is
automatically controlled.
The display is separated into 3 zones. When setting the speed, the corresponding zone will
illuminate.
Select LOW fan speed and the first zone will illuminate;
Select MED fan speed and the second zone will illuminate;
Select HIGH fan speed and the third zone will illuminate;
Select AUTO fan speed and zones 1~3 will illuminate.
Once selected, after 2 seconds the zones will illuminate gradually based on the speed selected.
NOTE: when the indoor fan is stopped, nothing will display.
LOW MED (some units) HIGH AUTO
The low-frequency flashing cycle of the three fan speed symbols indicate low fan or Auto fan.
The high-frequency flashing cycle of the fan speed symbols indicate high fan or Auto fan.
When operating manually, the first fan speed symbol displayed indicates low fan, the third symbol
displayed indicates high fan, three symbols displayed simultaneously indicate Auto fan.
After finishing the settings, it displays in a sequences as "First fan speed symbol
→ Second fan
speed symbol → Third fan speed symbol" . When operating with remote controller, low-frequency
displaying cycle of three symbols indicates low fan or Auto fan; high-frequency displaying cycle of
the symbols indicates high fan or Auto fan.
First Fan Speed Symbol
Third Fan Speed Symbol
Second Fan Speed Symbol
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ADJUST button
：
Test Run
button ：
This button is specially designed for maintenance technicians.
Press this button to start test running operation, press it again to stop the operation (For Model
B/C/D).
Press and hold FAN and FUNC. buttons together for one second to start/stop test running
operation(For Model A).
The test running operation will last 30 minutes regardless of the setting temperature.
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AUXILIARY FUNCTION(FUNC)
button: Use this button to select or cancel the auxiliary feature.
When the unit is on, press this button, then press the ADJUST " " or " " button to select the
desired feature. Each time the button is pressed, the mode is shifted in the direction of the arrow:
When press the " " button:
When press the " " button:
Once the desired feature is established, press the AUXILIARTY FUNCTION button again to register .
If the button of AUXILIARY FUNCTION(FUNC), “ ” or “ ” is not pressed during a 10 seconds period,
or the other button is pressed, or any remote operation is performed, the auxiliary function setting
feature is automatically cancelled.
When the unit is off , only the TIMER ON and TIMER OFF feature can be selected.
NOTE :
If the feature selected is not supported by the machine you purchased, the mode is
shifted to the next feature automatically in the direction of the arrow as shown above.
1. Temperature adjust : Press the " " and " " to adjust the temperature in a range of
16°C/17 °C~30 °C or 20°C~28°C .
2.
Timer adjust
: Adjust the timer on/off time under the Timer setting mode(0~24hs).
3.
Auxiliary function selection
: Select the desired auxiliary function by pressing" " and" " button.
4. Under test run operation, press “ ” and “ ” buttons can display the temperature of T1, T2,
T3(some units) and T4(some units) , the protection or error codes. The sensor malfunction can
also be detected.