Table of Contents
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iv
ANSI Z535.5 DEFINITIONS . . . . . . . . . . . v
UL Listing . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Federal / State Regulation . . . . . . . . . . . . 1-1
Hussmann Product Control . . . . . . . . . . . 1-1
Shipping Damage . . . . . . . . . . . . . . . . . . . 1-1
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Self Contained (Location) . . . . . . . . . . . . . 1-2
Model Description . . . . . . . . . . . . . . . . . . 1-2
Unloading . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Shipping Skid . . . . . . . . . . . . . . . . . . . . . . 1-3
Merchandiser Leveling . . . . . . . . . . . . . . . 1-3
Serial Plate Location . . . . . . . . . . . . . . . . . 1-4
Refrigeration Unit Access . . . . . . . . . . . . . 1-4
Sealing Merchandiser to Floor . . . . . . . . . 1-4
Self-Contained Refrigeration Equipment
Start Up Check List . . . . . . . . . . . . . . . . 1-5
Merchandiser Electrical Data . . . . . . . . . . 2-1
Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Electrical Connections . . . . . . . . . . . . . . . . 2-1
Electrical Outlet . . . . . . . . . . . . . . . . . . . . . 2-1
Refrigeration . . . . . . . . . . . . . . . . . . . . . . . 2-1
Refrigeration System Functionality . . . . . 2-2
Refrigeration System Layout . . . . . . . . . . . 2-6
Components . . . . . . . . . . . . . . . . . . . . . . 2-8
Steps to Recover Refrigerant . . . . . . . . . . 2-8
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Evaporation Pans . . . . . . . . . . . . . . . . . . 2-10
Installing Drip Piping . . . . . . . . . . . . . . . 2-11
Drip Piping Lineup Arrangements . . . . . 2-12
P/N 3141959_C
TABLE OF CONTENTS
Changing Between Medium &
Low Temperature Applications . . . . . . . 3-1
Controller Operation . . . . . . . . . . . . . . . . . 3-3
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
KDEPLUS Buttons . . . . . . . . . . . . . . . . . . 3-5
Setpoint: Setting and Edit Lock . . . . . . . . 3-6
Display Probes Value . . . . . . . . . . . . . . . . . 3-6
Key-Activated Functions . . . . . . . . . . . . . . 3-6
Typical Sensor Location . . . . . . . . . . . . . . 3-7
Controls and Adjustments . . . . . . . . . . . 3-10
Load Limits . . . . . . . . . . . . . . . . . . . . . . . 3-11
Stocking . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Thermometer . . . . . . . . . . . . . . . . . . . . . 3-12
Care and Cleaning . . . . . . . . . . . . . . . . . . . 4-1
Removing Scratches from Bumper . . . . . . 4-2
Cleaning Under Fan Plenum . . . . . . . . . . 4-2
Cleaning Discharge Air Honeycomb . . . . 4-2
Cleaning Stainless Steel Surfaces . . . . . . . 4-3
Cleaning Coils . . . . . . . . . . . . . . . . . . . . . . 4-3
Cleaning Evaporation Pan . . . . . . . . . . . . 4-4
Self-Contained Refrigeration Equipment
Maintenance Check List . . . . . . . . . . . . . 4-5
Replacing Evaporator Motors . . . . . . . . . 5-1
Replacing Inverter . . . . . . . . . . . . . . . . . . . 5-2
Replacing Condenser Motor . . . . . . . . . . . 5-3
Replacing Compressor . . . . . . . . . . . . . . . 5-4
Replacing Drain Heater . . . . . . . . . . . . . . 5-5
Replacing Pan Heater . . . . . . . . . . . . . . . . 5-6
Replacing Solenoid Valves . . . . . . . . . . . . 5-7
Inverter Board Diagnostics . . . . . . . . . . . . 5-8
Troubleshooting Guide . . . . . . . . . . . . . . 5-11
WARRANTY
U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com
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