Carrier 38FZ/BZ 024, Installation, Operation And Maintenance Instructions, Page: 2 / 40

CONTENTS
Page
START-UP CHECK LIST 3
PHYSICAL DATA 4
ELECTRICAL DATA 5
DIMENSIONS 6
Service area 27
Coordinates for the centre of gravity 28
Weight distribution 29
AIR DISCHARGE 30
FAN PERFORMANCES 31
SAFETY CONSIDERATIONS 33
INSTALLATION 33
Siting the unit 33
Rigging 33
Ductwork 33
Condensate and rainwater drainage 34
ELECTRICAL CONNECTIONS 34
Electrical connection between units 34
Thermostat connection 34
REFRIGERANT LINE CONNECTIONS 35
Refrigerant line selection 35
Checks before start-up 36
Page
REFRIGERANT CHARGE 36
Gas tightness testing and dehydration 36
START-UP 37
REFRIGERANT SYSTEM DESCRIPTION 37
COMPRESSOR REPLACEMENT 37
DESCRIPTION OF UNIT SAFETY DEVICES 37
Operating limits 38
CONTROL SEQUENCE 38
OPTIONS/ACCESSORIES 38
GENERAL MAINTENANCE 38
SERVICE 38
Lubrication 38
Servicing recommendations 39
TRANSFORMATION TO SPLIT SYSTEM 39
FINAL RECOMMENDATIONS 39
TROUBLESHOOTING CHART 40
2