Service & Parts Manual (2019, 2020, 2021, 2022)
Table Of Contents
- INTRODUCTION
- SPECIFICATIONS
- OPERATION
- ROUTINE MAINTENANCE
- REMOVE AND INSTALL THE CHASSIS
- R-410A SEALED SYSTEM REPAIR
- COMPONENT TESTING
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Replace The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement
- Fan Motor
- Capacitors
- Heating Element
- Drain Pan Valve
- Testing the User Interface and Electronic Control Board
- Thermistors Description
- Electronic Control Board Identification
- Replace the Electronic Control Board
- Replace the User Interface
- TROUBLESHOOTING
- WIRING DIAGRAMS
- PARTS CATALOG
- Available Accessories
15 PB
OPERATION
User Interface
All of the control panel function buttons and mode icons can be viewed in Figures 302.
Power On – Press the button to turn on the air conditioner. The power button illuminates to indicate that the power is on. The
backlight on the power switch will automatically turn off after 20 seconds of inactivity. The remote control can also be used to
turn power ON / OFF (see Remote Control).
Display – The display is a high efciency LCD with a built-in backlight. After 20 seconds of inactivity, the display switches off.
Touching any button automatically changes the display to full brightness.
CONTROL PANEL AND DISPLAY
Figure 302
-AUTO-
Automatically switches
between cool & heat
CONTROL
LOCKED
WI-FI OPERATING
STATE
TEMPERATURE
UP
TEMPERATURE
DOWN
2 DIGIT DISPLAY
Shows Setting for:
- Set Point (Temperature)
- Clock (AM/PM)
FILTER
Check / clean
FAN SPEED
Sets fan speed:
LOW, MED, HIGH,
or MAX (Selected
Models Only)
FAN
Sets fan to either:
- Automatically cycle
- Continuously run
COOL HEAT FAN ONLY DISCONNECTED FROM
POWER BOARD
MODE
Cycles between
COOL, HEAT, FAN
ONLY or -AUTO-
(if equipped)
ON / OFF
Turns unit on/off
TIMER
shows on or off