Name: Carrier 69NT40-561-399
Brand: Carrier
Rating: 5 (1 reviews)

Default Chapter6

Table of Contents6

Paragraph Number15

Safety Summary15

Introduction19
- Plate Set20
- Back Panels21

Section Layout117
Manifold Gauge Set117
Figure 7.1 Manifold Gauge Set117
Service Connections118
Figure 7.2 Manifold Gauge/Hose Set118
Pump down the Unit119
Figure 7.3 Service Valve119
Refrigerant Leak Checking120
Evacuation and Dehydration121
- General121
- Preparation121
- Figure 7.4 Refrigeration System Service Connections121
- Complete System122
- Partial System122
Refrigerant Charge123
- Checking the Refrigerant Charge123
- Adding Refrigerant to System (Full Charge)123
- Adding Refrigerant to System (Partial Charge)123
Compressor124
- Removal and Replacement of Compressor124
- Figure 7.5 Compressor Kit125
- Figure 7.6 Compressor Ports/Connections126
- Figure 7.7 Lubricating Orange Gasket126
- Figure 7.8 Installing Orange Gasket127
- Figure 7.9 Power Plug Connection127
- Figure 7.10 Power Plug Secured127
High Pressure Switch128
- Checking High Pressure Switch128
- Replacing High Pressure Switch128
- Figure 7.11 High Pressure Switch Testing128
7.10 Condenser Coil129
- Condenser Coil Cleaning129
- Condenser Coil Removal129
- Condenser Coil Preparation130
- Condenser Coil Installation130
7.11 Condenser Fan and Fan Motor131
- Condenser Fan Motor Remove/Replace131
- Figure 7.12 Condenser Fan Position131
7.12 Filter Drier132
7.13 Evaporator Coil & Heater Assembly132
- Evaporator Coil Replacement132
- Evaporator Heater Replacement133
7.14 Evaporator Fan and Motor Assembly133
- Figure 7.13 Heater Arrangement133
- Assemble the Evaporator Fan Assembly134
- Disassemble the Evaporator Fan Assembly134
- Figure 7.14 Evaporator Fan Assembly134
- Replacing the Evaporator Fan Assembly134
7.15 Evaporator Section Cleaning135
7.16 Electronic Expansion Valve136
Figure 7.15 Electronic Expansion Valve136
7.17 Economizer Solenoid Valve137
Figure 7.16 Coil View of Economizer Solenoid Valve (ESV)137
7.18 Economizer Expansion Valve138
- Economizer Expansion Replacement138
- Figure 7.17 Economizer Expansion Valve138
Troubleshooting P6-7 (Dlv/Duv)139
- Digital Unloader Valve (DUV)139
- Digital Loader Valve and Unloader Valve (DLV/DUV)139
7.20 Digital Loader Valve140
- Digital Loader Valve Replacement140
- Digital Loader Installation141
- Figure 7.18 DLV Installation141
7.21 Digital Unloader Valve142
- Digital Unloader Replacement142
- Figure 7.19 DUV Installation142
7.22 Valve Override Controls143
7.23 Autotransformer144
Table 7-1 Valve Override Control Displays144
7.24 Controller145
- Handling Modules145
- Controller Troubleshooting145
- Figure 7.20 Autotransformer145
- Controller Programming Procedure146
- Figure 7.21 Controller Section of the Control Box146
- Programming Procedure for Software Versions 5354 & Greater with Updated Menu Option (Menu0115.Ml)147
- Removing and Installing a Controller148
- Battery Replacement149
7.25 Temperature Sensor Service149
- Sensor Checkout Procedure150
- Table 7-2 Sensor Resistance151
- Table 7-3 Sensor Resistance (CPDS)152
- Sensor Replacement153
- Figure 7.22 Sensor Types153
- Figure 7.23 Sensor and Cable Splice153
- Sensors STS and SRS Re-Installation154
- Figure 7.24 Supply Sensor Positioning154
- Figure 7.25 Return Sensor Positioning154
- Sensors RRS and RTS Re-Installation155
- Sensor DTS Re-Installation155
- Sensors ETS1 and ETS2 Re-Installation155
- Sensor, CPDS Re-Installation155
- Figure 7.26 Evaporator Temperature Sensor Positioning155
Vent Position Sensor (Vps)156
Figure 7.27 Compressor Discharge Temperature Sensor156
7.27 Eautofresh Service157
- Servicing the Eautofresh Air Filter157
- Checking Eautofresh Drive System157
- Figure 7.28 Stepper Components157
- Checking the Controller158
- Figure 7.29 Jumper Assembly158
- Servicing the Eautofresh Drive System159
- Figure 7.30 Motor Cup Replacement159
7.28 Maintenance of Painted Surfaces160
7.29 Communications Interface Module Installation160
Figure 7.31 Communications Interface Installation160
Table 7-4 R-134A Temperature - Pressure Chart161
Table 7-5 Recommended Bolt Torque Values (Dry, Non-Lubricated for 18-8 Stainless Steel)162

Electrical Wiring Schematic and Diagrams163

Index169

Brand	Carrier
Model	69NT40-561-399
Category	Refrigerator
Language	English

Carrier 69NT40-561-399 User Manual

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