Operation - York Y7USC12-2R Installation & Operation Manual

Operation

Power Control
The Power Control turns the unit on and off.
Set Temperature/ Timer Display
Shows the set temperature when the unit is in
operation and hours when the timer is being
set. THE TEMPERATURE DISPLAY ONLY
SHOWS THE SET TEMPERATURE, NOT
THE ACTUAL ROOM TEMPERATURE.
Temperature/ Timer Controls
These buttons are used to raise or lower the
set temperature in increments of 1° from 66°F
to 88°F. By depressing both buttons at once,
the display will toggle between Celsius and
Fahrenheit. When the timer is being set, these
buttons are used to change the hour setting in
increments of 1 from 00 to 24.
Mode Control
A green light will indicate which mode is
currently being utilized.
Cool Mode –
The unit will circulate and cool the air.
Heat Mode (Heat Models Only) –
The unit will circulate and heat the air.
Heater Safety Feature- When heater is powered
off, low fan will automatically stay on and run for 60
seconds to ensure the removal of residual heat,
meanwhile, the Low Fan LED blinks until the low
fan stops.
Fan Mode –
The unit will only circulate the air.
Energy Saver Mode –
(The energy saver mode is designed to
operate with Cool mode only). The fan will
switch from the set fan speed to Low
whenever the compressor turns off in
response to the thermostat. When the
compressor cycles back on, the unit will return
to the original fan setting. Speeds will change
automatically as the temperature in the room
changes.
Fan Speed Control -
Medium, Low and Auto
The settings are adjusted with the Fan Speed
Control, each time the button is depressed it
changes the setting. A green light will indicate
which setting is currently being used.
When the Auto feature is selected while the air
conditioner is in the Cool or Heat mode, the
fan speeds will change automatically as the
temperature in the room changes. In Cool
Mode when the room reaches 7° or more
above the set temperature High Fan will be
used, 4° or less above the set temperature
will use Low fan. In Heat Mode when the room
reaches 7° or more below the set temperature
High fan will be used, 4° or less below the set
temperature will use Low fan. At all other times
the fan will use Medium fan.
Timer Control
(The timer can be set to
either turn the unit on or off.)
To automatically START the unit using the
Timer mode:
1. Push the timer button while the power is
OFF. The display will read 00. Adjust the
display to show the desired number of
hours before START-UP using the
Temperature/Timer adjustment arrows.
2. The display will show the amount of
time, in hours, remaining until START-UP.
3. To exit Timer mode, push the Timer
button.
4. A green light next to the Timer button
indicates that the timer is set.
To automatically SHUT-DOWN the unit
using the Timer mode:
1. Push the timer button while the power is
ON. The display will read 00. Adjust the
display to show the desired number of
hours before SHUT-DOWN using the
Temperature/Timer adjustment arrows.
(The display will automatically return to
the set temperature after 10 seconds.)
2. To display the amount of time left until
SHUT-DOWN, push the Timer
button once.
3. To exit Timer mode, push the
Timer button twice.
4. A green light next to the Timer button
indicates that the timer is set.
6
Electronic Control (Cooling Only)
High,
Electronic Control (Heat/Cool)
Timer
On/Off
Built in Three Minute Cooling Delay
Temperature/Timer Display
A
Temperature/Timer Adjustment
B
Timer On/Off
C
Fan Speed Control
D
Mode Control
E
Power Control
F
A
B
C
F
A
B
High Auto
Med Low
C
Heat
Cool
Energy Save
Fan
F
D
E
D
E