Johnson Controls YVAHP072B31S, Service Manual

Page: 1137 / 1796

● Reset Button
● Transmitter
Point the transmitter towards the indoor unit receiver when sending commands.
The transmitting indication on the liquid crystal display (LCD) flashes
when sending commands.
● Transmitting Indication: It will turn ON when sending commands with infrared rays.
● Liquid Crystal Display (LCD)
The set temperature, timer operation, position of air louver, operation mode and
airflow mode, are indicated.
NOTE:
The diagram of the display shown on the left is for explanation purposes only.
The display will differ during actual operation.
● Fan Speed Button
Press this button to select the fan speed. By repeatedly pressing the button,
the setting will change sequentially through LOW, MED, HIGH, HIGH2 and AUTO.
* Depending on the setting for the function selection, it is possible to set the
ON/OFF for the Fan Speed AUTO.
1 Step 2 Step 7 Step Auto Swing
● On Button
Operation of the unit can be started by pressing this button.
● Off Button
Operation of the unit can be stopped by pressing this button.
● Mode Selection Button
By repeatedly pressing the mode button, the unit cycles through
the different operating modes in the order of FAN, COOL, HEAT, AUTO.
* Depending on the setting for the function selection, it is possible to set
the ON/OFF for the AUTO, HEAT and DRY displays.
● Louver Angle Button
The airflow angle and auto-louver operation can be set using this button.
When pressing the button, the angle is changed in the following order.
(In COOL or HEAT or AUTO operation modes, steps 1 through 5 and
Auto Swing are available.)
● Filter Sign Reset Button
When it is time to perform the filter cleaning, the filter indicator light will
turn ON, so turn is OFF.
The alarm sound can be cancelled temporarily by pressing the button.
● Temp. Button
The temperature setpoint can be adjusted using this button.
By pressing “ ∆ ”, the temperature will increase by 1°F, 0.5°C (or 1°C) at a time.
By pressing “
∆
”, the temperature will decrease by 1°F, 0.5°C (or 1°C) at a time.
* Depending on the setting for the function selection, the temperature range
can have a unit of 1°F (0.5°C or 1°C).
● Timer Buttons
This button is used to set the timer.
The set time can be changed by pressing “On Timer” or “Off Timer”.
The timer can be set from 0.5 hour to 23 hours. Between 0.5 hour and 9.5 hours,
the unit will set 30 minutes at a time, and when 10 minutes to 23 hours, the unit
will be set 1 hour at a time.
LOW → MED → HIGH → HIGH2 → AUTO
3 Step 4 Step 5 Step 6 Step
Service Manual
2-217
OPERATION
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