Service and Parts Manual (2018, 2019, 2020, 2021, 2022)
Table Of Contents
- INTRODUCTION
- Important Safety Information
- Personal Injury Or Death Hazards
- Operation of Equipment in During Construction
- Typical Unit Components and Dimensions
- Model Number Reference Guide
- Serial Number Reference Guide
- Product Features
- General Specifications 9-12k Heat Pump Models
- Electrical Data
- Function and Control
- Buttons and Display
- Temperature Definition
- System Basic Function
- 1) Cooling Mode
- 2) Heating Mode
- 3) Room Freeze Protection (AUTO HEATING)
- 4) Temperature Sensor Open Circuit or Short Circuit Protection
- 5) Power cut protection
- 6) Compressor and DC-inverter features
- 7) Smart fresh air system
- Advanced Functions
- Advanced Settings
- Memory Function
- FD Control (front-desk control) & 24V REMOTE THERMOSTAT
- Protection Functions
- System Configuration Fresh Air Vent Control
- Digital Control User Input Configuration
- Settings- Detailed Configurations
- Refrigeration Sequence Of Operation
- Refrigerant System Diagram
- PTAC Installation Recommendations
- Wall Sleeve Installation Instructions (PDXWS)
- Alternate Wall Installations
- PXDR10 Drain Kit Installation
- External Drain
- PXGA Standard Grille
- Chassis Install
- Remote Control Thermostat Installation
- Front Desk Control Terminal
- Final Inspection & Start-up Checklist
- Remove Chassis
- Remove User Interface
- Open Electrical Control Box
- Remove Main PCB (logic) Board
- Remove Power Cord
- Remove Power PCB
- Remove IPM PCB (Inverter Board)
- Remove Blower Wheel (Inside Fan)
- Remove Blower Wheel Motor (Inside Fan)
- Remove Heating Element
- Remove Freshaire Components
- Remove Outdoor Fan
- Remove Reversing valve Solenoid
- Refrigerant Charging
- Undercharged Refrigerant Systems
- Overcharged Refrigerant Systems
- Restricted Refrigerant System
- Sealed System Method of Charging/ Repairs
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement
- Compressor Replacement -Special Procedure in Case of Compressor Burnout
- Check Indoor Fan Motor
- Check Outdoor Fan Motor
- Check Fan Motor Capacitors
- Main PCB (logic) Board Connector Identification
- Power PCB (Power Board) Connector Identification
- Basic Troubleshooting
- Error code and solutions
- Unit Does Not Operate
- Check Electric Heater Control
- Check Thermistors
- Check Thermistors -Resistance Table of Thermistors (5K)
- Check Thermistors -Resistance Table of Thermistors (50K)(Compressor Discharge Sensor)
- PARTS CATALOG
94 PB
TROUBLESHOOTING
Check Thermistors -Resistance Table of Thermistors (5K)
Temp Resis Temp Resis Temp Resis Temp Resis Temp Resis
-33 130100 7 34252 47 10785 57 8275 97 3119
-32 125518 8 33209 48 10499 58 8063 98 3048
-31 121114 9 32202 49 10221 59 7857 99 2980
-30 116881 10 31228 50 9952 60 7657 100 2913
-29 112811 11 30288 51 9690 61 7462 101 2848
-28 108898 12 29378 52 9437 62 7273 102 2785
-27 105131 13 28499 53 9190 63 7090 103 2723
-26 101511 14 27650 54 8952 64 6911 104 2662
-25 98029 15 26828 55 8720 65 6738 105 2604
-24 94676 16 26034 56 8494 66 6569 106 2546
-23 91453 17 25266 57 8275 67 6406 107 2491
-22 88349 18 24523 58 8063 68 6247 108 2436
-21 85362 19 23805 59 7857 69 6092 109 2383
-20 82486 20 23110 60 7657 70 5942 110 2331
-19 79719 21 22437 61 7462 71 5796 111 2281
-18 77052 22 21787 62 7273 72 5654 112 2231
-17 74486 23 21158 63 7090 73 5515 113 2183
-16 72014 24 20548 64 6911 74 5381 114 2137
-15 69633 25 19959 65 6738 75 5251 115 2091
-14 67338 26 19388 66 6569 76 5124 116 2046
-13 65127 27 18836 67 6406 77 5000 117 2003
-12 62996 28 18301 68 6247 78 4880 118 1960
-11 60943 29 17783 69 6092 79 4763 119 1919
-10 58965 30 17282 70 5942 80 4649 120 1878
-9 57055 31 16796 71 5796 81 4538 121 1839
-8 55216 32 16325 72 5654 82 4431 122 1800
-7 53442 33 15870 73 5515 83 4326 123 1763
-6 51732 34 15428 74 5381 84 4224 124 1726
-5 50082 35 15001 75 5251 85 4125 125 1690
-4 48490 36 14586 76 5124 86 4028 126 1655
-3 46955 37 14184 77 5000 87 3934 127 1621
-2 45473 38 13795 48 10499 88 3842 128 1588
-1 44044 39 13418 49 10221 89 3753 129 1555
0 42664 40 13052 50 9952 90 3666 130 1524
1 41332 41 12698 51 9690 91 3582 131 1493
2 40047 42 12354 52 9437 92 3499 132 1462
3 38805 43 12021 53 9190 93 3419 133 1433
4 37607 44 11698 54 8952 94 3341 134 1404
5 36450 45 11384 55 8720 95 3265 135 1375
6 35332 46 11080 56 8494 96 3191 136 1348
Figure 719