2
Ducting ...........................................................................
Connecting the Return and Supply Flexible Duct
in Manufactured or Modular Housing Application ..
Plenum Application ......................................................
Filters .............................................................................
PIPING ...............................................................................
Condensate Drain .........................................................
WIRING ..............................................................................
High Voltage Wiring ....................................................
Low Voltage Wiring .....................................................
Internal Wiring: ...........................................................
OPERATION ......................................................................
Start-Up Procedure and Checklist ..........................
Heat Pump Start-Up Procedure .................................
Final System Checks ....................................................
COMPONENTS ................................................................
Contactor ......................................................................
Crankcase Heater ........................................................
Condenser Motor .........................................................
Compressor ...................................................................
Contactor Relay ...........................................................
Defrost Control ..........................................................
Outdoor Thermostat ...................................................
Reversing Valve Coil ...................................................
Indoor Blower Motor .................................................
Blower Interlock Relay .............................................
EXPLANATION AND GUIDANCE (HEAT PUMP) .............
DEFROST CONTROL ......................................................10
TROUBLESHOOTING ................................................10
AIR FLOW MEASUREMENT AND ADJUSTMENT ....10
ADJUSTING SPEED TAP FOR INDOOR
BLOWER MOTOR .......................................................11
Single Speed Application (DP5HH24-36) .................12
Two Speed Application (DP5HH42-60)......................12
ELECTRIC HEAT INSTALLATION & ADJUSTMENT......12
MAINTENANCE ...............................................................13
SERVICE .........................................................................13
Inadequate Air Volume Through Indoor Coil ......13
Outside Air Into Return Duct .................................13
Undercharge ..............................................................13
Poor “Terminating” Sensor Contact ....................13
Malfunctioning Reversing Valve ...........................13
BLOWER PERFORMANCE DP5HH 15.2 SEER2 .......14
TROUBLESHOOTING CHART .......................................15
START-UP CHECKLIST .................................................17
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 installation.
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 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 SUPPORT
DAIKIN NORTH AMERICA LLC
19001 KERMIER ROAD WALLER, TX 77484
855-770-5678
IMPORTANT SAFETY INSTRUCTIONS
Recognize Safety Symbols, Words, and Labels
The following symbols and labels are used throughout
this manual to indicate immediate or potential
hazards. It is the owner’s responsibility to read and
comply with all safety information and instructions
accompanying these symbols. Failure to heed safety
information increases the risk of serious personal injury
or death, property damage and/or product damage.