Service & Parts Manual (Non Q) (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
67 PB
COMPONENTS TESTING
Electronic Control Board Identication
HPS
HEATER
RELAY
FAN 1
RELAY
FAN 2
RELAY
FAN 3
RELAY
L1
N/L2
AMB TEMP SENSOR
ID COIL TEMP SENSOR
OD COIL TEMP SENSOR
DISCH AIR TEMP SENSOR
HIGH PRESSURE
SWITCH/JUMPER
COMP
RELAY
HEATER
RELAY
FAN 4
RELAY
(
LOW SPEED
FAN
MED SPEED
FAN
HIGH SPEED
FAN
MAX SPEED FAN
COOLING ONLY MODELS
IF INSTALLED ON
MODELS WITH HEAT THIS
IS A POWER RELAY
COMPRESSOR
POWER
L1 POWER
115 OR 230
N / L2
L1 HEATER POWER
L2 HEATER POWER
USER INTERFACE
GROUND
Reversing
Valve Relay
L2 / RV2
L2 / RV2
RV1
Figure 712 (Electronic Control Board Identication)