Duke SUB-HF-L - Page 4

Service Manual for Subway Front Counters
4
TABLE OF CONTENTS (CONTINUED)
SERVICE INFORMATION ..................................................................................................33
Duke Service Bulletin 26 ...............................................................................................33
Refrigeration System Evacuation Process ....................................................................33
TROUBLESHOOTING PROCEDURES ..............................................................................34
Troubleshooting Guide ..................................................................................................34
Tri-Channel Step One Troubleshooting Guide .............................................................35
Leak Testing .................................................................................................................37
SCHEMATIC DIAGRAMS ...................................................................................................38
Tri-Channel .....................................................................................................................38
Hot Food ........................................................................................................................38