INSTALLATION INSTRUCTIONS
Packaged Air Conditioner Unit 3-6 Ton Direct Drive
Base Efficiency Light Commercial DFC Models
Installation Instructions
IOD-1053A
12/2021
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2021
19001 Kermier Rd. Waller, TX 77484
www.daikincomfort.com
TABLE OF CONTENTS
Replacement Parts..........................................................2
Safety Instructions........................................................2
General Information.......................................................2
Unit Location....................................................................3
Clearances.......................................................................5
Roof Curb Post-Installation Checks..........................5
Roof Top Duct Connections..........................................5
Rigging Details.................................................................5
Electrical Wiring............................................................7
Circulating Air And Filters...........................................9
Condensate Drain Connection......................................9
Startup, Adjustments, And Checks............................9
Air Flow Adjustments...................................................1
Maintenance...................................................................12
Appendix A Blower Performance Tables.................15
Appendix B Electrical Data........................................30
Appendix C Unit Dimensions.........................................35
Appendix D Air Flow For Electric Heat....................36
Wiring Diagrams............................................................37
Startup Checklist
..........................................................
41
WARNING
Do not bypass safety devices.
Only personnel that have been trained to install, adjust,
service or repair(hereinafter, “service”) the equipment
specified in this manual should service the equipment. The
manufacturer will not be responsible for any injury or
property damage arising from improper service or service
procedures. If you service this unit, you assume responsi-
bility for any injury or property damage which may result.
In addition, in jurisdictions that require one or more
licenses to service the equipment specified in this manual,
only licensed personnel should service the equipment.
Improper installation, adjustment, servicing or repair of
the equipment specified in this manual, or attempting to
install, adjust, service or repair the equipment specified in
this manual without proper training may result in product
damage, property damage, personal injury or death.
WARNING
WARNING
The appliance is not to be used by persons (including
children) with reduced capabilities, or lack of experience
and knowledge, unless they have been given supervision or
instruction.
WARNING
Children being supervised not to play with the appliance.