Service Manual
Table Of Contents
- General Information
- Model Numbers
- Installation
- Maintenance
- Sequence of Operation
- Troubleshooting
- Component Specifications
- Charts
- Diagrams
- Wiring Diagrams
- Flake Models
- Nugget Models
- Condensing Units
- Compressor Start Component Wiring
- Refrigeration Tubing Schematics
- UFF0200/UFF0350/UNF0200/UNF0300
- RFF0320/RNF0320 Air-cooled
- RFF0620/RNF0620/RNF1100 Air & Water-cooled
- RNF1020C QuietQube Head Section & RCUF1000 Condensing Unit
- RFF1220C & RCUF1000 Condensing Unit
- RNF2000C QuietQube Head Section & RCUF2200 Condensing Unit
- RFF2200C QuietQube Head Section & RCUF2200 Condensing Unit
- RFF1300 Air & Water-cooled
- RFF2500 Air-cooled
52 Part Number 000015433_03 5/20
Contactor Closed?
Line Voltage To
Compressor?
YES
YES
NO
YES
NO
Verify:
Compressor Overload is Closed
Start Components Function
Fan Cycling Control Functions
Condenser Fan Motor Functions
Water cooled only:
Water Regulating Valve Functions
Repair Wiring
Replace Contactor
Line Voltage To
Compressor Contactor
Coil?
NO
Repair Wiring
Replace Time Delay Relay
No
10 Minute Time
Delay Expired?
NO
Wait 10 Minutes - Do Not Install
Compressor Time Delay Jumper
Yes
Power To Contactor Coil?
Yes
Install
Compressor Time
Delay Jumper
Yes