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
95 PB
Temp Resis Temp Resis Temp Resis Temp Resis Temp Resis
137 1321 162 812 187 517 212 339 237 229
138 1294 163 797 188 508 213 334 238 226
139 1269 164 782 189 499 214 329 239 222
140 1244 165 768 190 491 215 323 240 219
141 1219 166 754 191 482 216 318 241 216
142 1195 167 740 192 474 217 313 242 212
143 1171 168 727 193 466 218 308 243 209
144 1148 169 713 194 458 219 303 244 206
145 1126 170 700 195 450 220 298 245 203
146 1104 171 688 196 443 221 294 246 200
147 1083 172 675 197 435 222 289 247 197
148 1062 173 663 198 428 223 285 248 194
149 1041 174 651 199 421 224 280 249 191
150 1021 175 640 200 414 225 276 250 189
151 1001 176 628 201 407 226 271
152 982 177 617 202 400 227 267
153 964 178 606 203 394 228 263
154 945 179 595 204 387 229 259
155 927 180 585 205 381 230 255
156 910 181 574 206 374 231 251
157 893 182 564 207 368 232 247
158 876 183 554 208 362 233 244
159 859 184 545 209 356 234 240
160 843 185 535 210 351 235 236
161 828 186 526 211 345 236 233
TROUBLESHOOTING
Check Thermistors -Resistance Table of Thermistors (5K)
Figure 719