Table Of Contents - Hussmann micro SC ARCH Series Installation & Operation Manual

P/N 3116321_A
ANSI Z535.5 DEFINITIONS . . . . . . . . . . vi
INSTALLATION
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
Exterior Loading . . . . . . . . . . . . . . . . . . . . 1-3
Shipping Skid . . . . . . . . . . . . . . . . . . . . . . 1-3
Merchandiser Leveling . . . . . . . . . . . . . . . 1-3
Adjustable Mounting Feet . . . . . . . . . . . . 1-3
Serial Plate Location . . . . . . . . . . . . . . . . . 1-4
Refrigeration Unit Access . . . . . . . . . . . . . 1-4
Sealing Merchandiser to Floor . . . . . . . . . 1-4
ELECTRICAL / REFRIGERATION
Merchandiser Electrical Data . . . . . . . . . . 2-1
Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Electrical Connections . . . . . . . . . . . . . . . . 2-1
Electrical Outlet . . . . . . . . . . . . . . . . . . . . . 2-1
Refrigeration (Self Contained Models) . . 2-1
Before Beginning any Service or Repair . . 2-2
Replacing Refrigeration Components . . . 2-3
Steps to Recover Refrigerant . . . . . . . . . . 2-3
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Waste Outlet and Water Seal . . . . . . . . . . 2-4
Hot Gas Piping Layout . . . . . . . . . . . . . . . 2-5
Wiring Diagram . . . . . . . . . . . . . . . . . . . . 2-6
Refrigeration Sequence of Operation . . . . 2-7
Defrost Gas Sequence of Operation . . . . . 2-7
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.

TABLE OF CONTENTS

START UP / OPERATION
Self-Contained Refrigeration Equipment Start
Up Check List . . . . . . . . . . . . . . . . . . . . . 3-1
Controller Operation . . . . . . . . . . . . . . . . . 3-2
Changing the Clock . . . . . . . . . . . . . . . . . . 3-3
Setpoint Adjustment . . . . . . . . . . . . . . . . . 3-3
Manual Defrost . . . . . . . . . . . . . . . . . . . . . 3-4
How to Modify Defrost . . . . . . . . . . . . . . 3-4
Medium Temperature Mode . . . . . . . . . . . 3-5
Load Limits . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Stocking . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
MAINTENANCE
Care and Cleaning . . . . . . . . . . . . . . . . . . . 4-1
Removing Scratches from Bumper . . . . . . 4-2
Cleaning Glass Lids . . . . . . . . . . . . . . . . . 4-2
Cleaning Condenser . . . . . . . . . . . . . . . . . 4-2
Cleaning Defrost Channel . . . . . . . . . . . . . 4-2
Cleaning Stainless Steel Surfaces . . . . . . . 4-3
Water Tank Cleaning . . . . . . . . . . . . . . . . . 4-3
Cleaning Coils . . . . . . . . . . . . . . . . . . . . . . 4-3
Cleaning Evaporation Pan . . . . . . . . . . . . 4-4
Self-Contained Refrigeration Equipment
Maintenance Check List . . . . . . . . . . . . . 4-4
SERVICE
Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Sensor Replacement . . . . . . . . . . . . . . . . . 5-2
Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Compressor . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Replacing Gaskets . . . . . . . . . . . . . . . . . . . 5-3
Replacing LED Lighting . . . . . . . . . . . . . . 5-4
Replacing Drain Heater . . . . . . . . . . . . . . 5-4
Replacing Lids Handles . . . . . . . . . . . . . . . 5-5
Replacing Bumpers . . . . . . . . . . . . . . . . . . 5-5
Case Problem / Resolution Guide . . . . . . 5-7
Case Exploded Part Views . . . . . . . . . . . . 5-8
WARRANTY
Island Self Contained R-290
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