Heatcraft Refrigeration Products H-IM-79B operation manual

Installation & Operation

Manual

H-IM-79B (12/02) December, 2002 Part Number 25001401

Replaces H-IM-79A (04/02)

Contents

Main Index Beacon II Board Layout BEACON II BOARD Installation Installation Tips CONDENSING UNIT EVAPORATOR UNIT Brazing CAUTION Refrigerant Line Brazing ( ) POWER SUPPLY Wiring/Configuration Box Temp Control Settings BOX TEMPERATURE CONTROL SETTINGS LEAK TESTING REFRIGERANT CHARGING Start-Up Operation SINGLE SYSTEM with 1 EVAPORATOR rEF SINGLE SYSTEM with MULTIPLE EVAPORATORS rEF MULTIPLE SYSTEMS with MULTIPLE EVAPORATORS MULTIPLE SYSTEM CONNECTION SMART CONTROLLER INITIAL POWER ON MODE BOX TEMPERATURE BOX TEMPERATURE. OPERATING MODE DISPLAY PROGRAMMING AND REVIEWING SETTINGS/CHANGES PROGRAM REVIEW ITEMS ELE Air A-E default dFS Defaults: 0.5 hours to 23.5 hours dFt F and air Defrost +45 Defaults: electric defrost +5 and air defrost +50 Default: Fahrenheit Default: 60 minutes F and Air Defrost +30 STATUS INDICATOR LED Single Evaporator Multiple Evaporators LOCKING THE BEACON II BOARD Status Indicator LED STATUS INDICATOR LED LOW AMBIENT OPERATION Pumpdown Defrost Pumpdown / Defrost Service Mode ELECTRIC DEFROST MODE (contd.) AIR DEFROST MODE ALARMS Defrost / Alarms CLEARING ALARMS Error Indicator ERROR INDICATOR LED ERROR CODES E9 E7 Checking Operation of Expansion Valve EXPANSION VALVE MOTOR WINDING RESISTANCE POWER FAILURES SPARE SENSOR TERMINALS SPt Power Failures System Defaults Parts List Beacon II Troubleshooting Guide PROBLEM Step ACTION ITEM IF OK IF NOT OK E6 E5 Expansion Valve Capacity E7 E9 SEr Page Page Page Page Page Page Preventive Maintenance Check-Out & Start-Up Service Record Date of Start-up Location Address ELECTRICAL PIPING DRAIN LINES