Service Manual

2
Column Refrigeration Service Manual
1.0 GENERAL INFORMATION ........................................................................................ 10
1.1 Use of Service Manual ..............................................................................................10
1.2 Model Families .........................................................................................................10
1.3 I.D. Plate ................................................................................................................10
2.0 SAFETY INFORMATION ........................................................................................... 11
2.1 Refrigerant HC-600a ................................................................................................. 11
2.2 Servicing with R-600a ............................................................................................... 11
2.2.1 General .....................................................................................................11
2.2.2 Transportation of refrigerant and replaced compressors ................................11
2.2.3 Tools ......................................................................................................... 11
2.3 Service Manual Safety Labels ....................................................................................11
2.4 Product Safety Labels ...............................................................................................12
3.0 TROUBLESHOOTING GUIDE ....................................................................................13
3.1 Refrigeration System ................................................................................................13
3.2 Electrical System ......................................................................................................17
3.3 Doors, Drawers, Shelving ..........................................................................................19
4.0 ELECTRICAL COMPONENTS AND SPECIFICATIONS ................................................20
4.1 Compressor .............................................................................................................20
4.1.1 MODEL: VEMX5C .......................................................................................20
4.1.2 MODEL: VEMZ9C .......................................................................................20
4.2 Inverter ................................................................................................................20
4.2.1 Drop-In .....................................................................................................20
4.2.2 MODEL: Frequency Drive ............................................................................ 20
4.3 Condenser Fan Motor ...............................................................................................20
4.4 Evaporator Fan Motor ...............................................................................................20
4.5 Hot Gas Defrost Solenoid Valve .................................................................................21
4.6 Control ................................................................................................................21
4.7 Damper ................................................................................................................21
4.8 User Interface ..........................................................................................................21
5.0 COMPONENT OPERATION .......................................................................................22
5.1 Modes Of Operation .................................................................................................22
Model: CR24R and CR30R ......................................................................................... 22
Model: CR24F ..........................................................................................................23
Models: CR24W or CC24W ........................................................................................ 24
Models: CR24D or CC24D .........................................................................................25
 5.2 ElectricalSpecications ............................................................................................. 26
5.3 Wiring Diagrams ......................................................................................................27
Column Refrigerator .................................................................................................27
Column Single-Zone Wine .........................................................................................28
Column Dual Zone Wine ...........................................................................................29
Table of Contents
Table of Contents