3/20 Rev. A 57-02699
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TABLE OF CONTENTS
INTRODUCTION……………….……………………………….………………………………..….……………………………3
WARNING LABELS AND SAFETY INSTRUCTIONS………..…..…………………………….………....…………….…..4
PRE-INSTALLATION INSTRUCTIONS………………………..…..…………………………….…….…..……...................5
Inspection for Shipping Damage…………………………………………………………......…………….………...5
INSTALLATION INSTRUCTIONS…………………………………………………………………..……..…………………...5
General Instructions…………………………………………………………………………….....…….……………..5
Mechanical ..………………………………………………………………………………………..………….………..5
Electrical…………...……………………………………………………………………….…….....……………....…..6
Maintaining your Equipment ..……………………………………………………………..………….….…..6
LEG AND CONDENSATE PAN INSTALLATION..........................................................................................................7
SERVICE INSTRUCTIONS....…………………………………………………...………………………….…..…………..…...7
Temperature Sensor, Defrost Heater and Fan Motor Replacement…………....................……..…………..….8
ELECTRONIC REFRIGERATION CONTROL…………………...…………………………………...………….…….….......9
Operations.........................................................................................................................................................9
Manual Defrost..................................................................................................................................................9
Changing the Set Point......................................................................................................................................9
Alarm Signals...................................................................................................................................................10
Electrical Connections......................................................................................................................................10
FINAL CHECK LIST……………………………………………………..……………………………….....…….…………..…10
PART LIST.....................................................................................................................................................................11
ACCESSORIES……………………………………………………………..…………………………….………………....…...11
SALE AND DISPOSAL…..…………………………………………………..………………………………….………......…..11
IHC-27 WIRING DIAGRAM………………..…………………..…………………………..………………….…………….......12
IHC-48 WIRING DIAGRAM………………..…………………..…………………………..………………….……………...…13