2
TO THE INSTALLER
Carefully read all instructions for the installation prior
to installing unit. Make sure each step or procedure is
understood and any special considerations are taken into
account before starting installation. Assemble all tools,
hardware and supplies needed to complete the installa
-
tion. Some items may need to be purchased locally. After
deciding where to install unit, closely look the location
over – both the inside and outside of the home. Note any
potential obstacles or problems that might be encountered
as noted in this manual. Choose a more suitable location if
necessary.
IMPORTANT NOTE: IF A CRANKCASE HEATER IS
USED, THE UNIT SHOULD BE ENERGIZED 24 HOURS
PRIOR TO COMPRESSOR START UP TO ENSURE
CRANKCASE HEATER HAS SUFFICIENTLY WARMED
THE COMPRESSOR. COMPRESSOR DAMAGE MAY
OCCUR IF THIS STEP IS NOT FOLLOWED.
Before using this manual, check the serial plate for proper
model identification.
The installation and servicing of this equipment must be
performed by qualified, experienced technicians only.
SHIPPING INSPECTION
Checking Product Received
Upon receiving the unit, inspect it for damage from
shipment. Claims for damage, either shipping or
concealed, should be filed immediately with the shipping
company. Check the unit model number, specifications,
electrical characteristics, and accessories to determine if
they are correct. In the event an incorrect unit is shipped,
it must be returned to the supplier and must NOT be
installed. The manufacturer assumes no responsibility for
installation of incorrectly shipped units.
Message to the Homeowner
These instructions are addressed primarily to the installer;
however, useful maintenance information is included and
should be kept, after installation, for future reference.
REPLACEMENT PARTS
Ordering Parts
When reporting shortages or damages, or ordering repair
parts, give the complete unit model and serial numbers
as stamped on the unit’s nameplate. Replacement parts
for this appliance are available through your contractor or
local distributor. For the location of your nearest distributor,
consult the white business pages, the yellow page section
of the local telephone book or contact:
HOMEOWNER’S SUPPORT
DAIKIN COMFORT TECHNOLOGIES
MANUFACTURING, L.P.
19001 KERMIER ROAD
WALLER, TEXAS 77484
(855) 770-5678
TABLE OF CONTENTS
To the Installer..............................................................2
Shipping Inspection........................................................2
Checking Product Received.............................2
Message to the Homeowner.............................2
Replacement Parts.........................................................2
Ordering Parts.........................................................2
Important Safety instructions.....................................3
Recognize Safety Symbols, Words and Labels..3
Codes and Regulations..................................................3
General................................................................3
EPA Regulations........................................................3
National Codes..........................................................4
Major Components.........................................................4
Installation............................................................4
Pre-Installation Checkpoints...............................4
Unit Location....................................................................4
Ground Level Installation..................................5
Roof Top Installation Details...............................5
Unit Precautions......................................................5
Roof Curb Installations Only................................5
Clearances....................................................................6
Roof Top Duct Connections..........................................6
Roof Top Installation.............................................6
Horizontal Discharge.............................................7
Rigging Details...............................................................7
Rigging Removal......................................................8
Electrical Wiring...........................................................8
Low Voltage Control Wiring................................10
Circulating Air and Filters..........................................10
Ducting................................................................10
Condensate Drain Piping...........................................10
Horizontal Drain.....................................................10
Vertical Drain.........................................................10
Cleaning..........................................................10
Start-up, Adjustments, and Checks..........................11
Air Flow Adjustments.................................................12
EEM - Standard Static Drive Motor....................12
Superheat and Subcooling.........................................12
Checking Subcooling..............................................12
Checking Superheat................................................12
Superheat Adjustment............................................12
Refrigerant Charge Check...................................12
Start-up Procedures and Checklists.....................13
Air Conditioner Start-up Procedure..................13
Heat Pump Start-up Procedure.............................13
Final System Check................................................14
Heat Pump Operation....................................................14
Cooling Cycle.........................................................14
Heating Cycle..........................................................14
Defrost Control....................................................15
Maintenance.............................................15
Wiring Examples.........................................................17
Appendix A Blower Performance Table..................18
Appendix B Electrial Data..........................................19
Appendix C Unit Dimensions.........................................20
Appendix D Air Flow for Electric Heat..............21
Wiring Diagram............................................................22
Start-Up Checklist........................................................23
