Daikin DP5HM Installation Instructions Manual Download Page 1

INSTALLATION INSTRUCTIONS

Installation Instructions for Self-Contained Package 

Heat Pump Units DP5HM 15.2 SEER2 “M” SERIES 2-4 Ton

IOD-3030A 

10/2022

Our continuing commitment to quality products may mean a change in specifications without notice. 

© 2022 

19001 Kermier Rd. Waller, TX 77484

www.daikincomfort.com

ATTENTION INSTALLING PERSONNEL:

Prior to installation, thoroughly familiarize yourself with this 

Installation Manual. Observe all safety warnings. During 

installation or repair, caution is to be observed.

It is your responsibility to install the product safely and to 

educate the customer on its safe use.

  

RECOGNIZE THIS SYMBOL  

 

 AS A SAFETY PRECAUTION.

These installation instructions cover the 

outdoor

 

installation of self contained package air conditioners and 

heating units. See the Specification Sheets applicable to 

your model for information regarding accessories.

*NOTE: 

Please contact your distributor or our website 

for the applicable Specification Sheets referred to in this 

manual.

WARNING

Do not bypass safety devices.

Affix this manual and Users Information Manual

adjacent to the unit.

ONLY PERSONNEL THAT HAVE BEEN TRAINED TO 

INSTALL, ADJUST, SERVICE, MAINTENANCE 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 RESPONSIBILITY 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, MAINTENANCE 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

Summary of Contents for DP5HM

Page 1: ...contact your distributor or our website for the applicable Specification Sheets referred to in this manual WARNING Do not bypass safety devices Affix this manual and Users Information Manual adjacent to the unit ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL ADJUST SERVICE MAINTENANCE OR REPAIR HEREINAFTER SERVICE THE EQUIPMENT SPECIFIED IN THIS MANUAL SHOULD SERVICE THE EQUIPMENT THE MANUFACTUR...

Page 2: ...AT AND SUBCOOLING 13 Checking Subcooling 13 Checking Superheat 14 Refrigerant Charge Check 14 Units with TXV Devices 14 ELECTRICAL HEAT INSTALLATION AND ADJUSTMENT 14 Heater Kit 14 MAINTENANCE 15 SERVICE 15 Inadequate Air Volume Through Indoor Coil 15 Outside Air into Return Duct 15 Undercharge 15 Poor Terminating Sensor contact 15 Malfunctioning Reversing Valve 12 15 REVERSING VALVE TROUBLESHOOTI...

Page 3: ...manufacturer for use with this unit Serious property damage personal injury reduced unit performance and or hazardous conditions may result from the use of such non devices WARNING HIGH VOLTAGE Disconnect all power before servicing or installing this unit Multiple power sources may be present Failure to do so may cause property damage personal injury or death WARNING Connecting unit ductwork to un...

Page 4: ... facilities and connections Location may be on any four sides of a home manufactured or modular to minimize noise Clearances and Accessibility The unit is designed to be located outside the building with unobstructed condenser air inlet and discharge Additionally the unit must be situated to permit access for service and installation Condenser air enters from three sides Air discharges upward from...

Page 5: ...ufficient structural support must be determined prior to locating and mounting the curb and package unit Curb insulation cant strips flashing and general roofing material are furnished by the contractor Curbing must be installed in compliance with the National Roofing Contractors Association Manual Construct duct work using current industry guidelines The duct work must be placed into the roof cur...

Page 6: ...ual Rigging Figure 4 CIRCULATING AIR AND FILTERS Airflow Conversion Units can easily be converted from horizontal to down discharge air flow delivery In down discharge or high static installations the installer should measure the total external static and review the blower performance charts before performing the installation In some installations it will be necessary to change the blower speed to...

Page 7: ... encouraged to use appropriately sized ducts based upon the CFM for your application unit s CFM If duct sizing through industry manuals or air duct calculators requires larger ducts than converter openings run larger duct size up to unit converter openings and reduce with a reducer duct fitting or transition right at the unit Plenum Application A suitable plenum or square duct must be constructed ...

Page 8: ...he voltage frequency and phase as shown on the rating plate All internal wiring in the unit is complete It is necessary to bring in the power supply to the contactor as shown on the unit wiring diagram which is supplied with each unit The low voltage wiring must be connected between the unit control panel and the room thermostat All exterior wiring must be within approved weatherproof conduit The ...

Page 9: ...mping down after an approximate 60 second delay 6 Slowly lower the cooling temperature until the unit starts The compressor blower and fan should now be operating Allow the unit to run 10 minutes make sure cool air is being supplied by the unit 7 Turn the temperature setting to the highest position stopping the unit The indoor blower will continue to run for approximately 60 seconds 8 Turn the the...

Page 10: ...and opens at 85 It warms the compressor crankcase thereby preventing liquid migration and subsequent compressor damage The insert type heater is self regulating It is connected electrically to the contactor L1 and L2 terminals 3 Condenser Motor This item is activated by the contactor during heating and cooling except during defrost and emergency heat operation 4 Compressor This item is activated b...

Page 11: ... function on the heating cycle as on the cooling cycle The TXVs also act as check valves to allow for the reverse of refrigerant flow The expansion devices are flowrator distributors and perform the same function on the heating cycle as on the cooling cycle The flowrator distributors also act as check valves to allow for the reverse of refrigerant flow When the heat pump is on the heating cycle th...

Page 12: ...volts 6 Using VOM check for voltage across fan terminals DF1 and DF2 on the board Should read line voltage 208 230 VAC indicating the relay is open in the defrost mode 7 Using VOM check for voltage across W W2 C terminals on the board Should read 24 volts 8 If not as above replace control board 9 Set thermostat to off position and disconnect power Remove jumper from defrost thermostat and replace ...

Page 13: ...CM blower motor has been preprogrammed for operation at 4 distinct air flow levels when operating in Cooling Heat Pump mode or Electric Heat mode These 4 distinct levels may also be adjusted slightly lower or higher if desired The adjustment between levels and the trim adjustments are made by changing the dip switch s either to an OFF or ON position See Appendix for Blower Performance Data tables ...

Page 14: ...tem at least 10 minutes to allow pressure to stabilize 2 Temporarily install thermometer on liquid small line near liquid line access fitting with adequate contact and insulate for best possible reading 3 Check subcooling and superheat System should have a subcooling and superheat within the range listed on the Design Superheat and Subcooling table a If subcooling and superheat are low adjust TXV ...

Page 15: ...tion pressure and excessive defrost cycling resulting in low heating output It may also cause false defrosting Undercharge An undercharged heat pump on the heating cycle will cause low discharge pressure resulting in low suction pressure and frost accumulation on the outdoor coil Poor Terminating Sensor contact The unit s defrost terminating sensor must make good thermal contact with the outdoor c...

Page 16: ...lve contains refrigerant gases at certain temperatures 2 The discharge line should be the same temperature after the valves discharge line 3 The true suction should be the same as the suction line after the valve If there is a 4 degree difference valve is leaking When stuck in the mid position part of the discharge gas from the compressor is directed back to the suction side resulting in excessive...

Page 17: ...ace the compressor c Low voltage connection c At compressor terminals voltage must be within 10 of nameplate volts when unit is operating d Capacitor weak open or shorted d Check capacitor If defective replace Low suction cool compressor a In Cooling Low indoor airflow a Iced evaporator coil In Heating Dirty outdoor coil defective defrost thermostat defective defrost control board outdoor fan not ...

Page 18: ...225 Plus 880 Plus 880 Plus 1 348 Plus 1 348 Minus 900 Minus 900 Minus 1 260 Minus 1 260 Normal 1 000 Normal 1 000 Normal 1 400 Normal 1 400 Plus 1 100 Plus 1 100 Minus 1 540 Plus 1 540 Minus 990 Minus 990 Minus 1 530 Minus 1 530 Normal 1 100 Normal 1 100 Normal 1 700 Normal 1 700 Plus 1 210 Plus 1 210 Plus 1 870 Plus 1 870 Minus 1 125 Minus 1 125 Minus 1 620 Minus 1 620 Normal 1 250 Normal 1 250 N...

Page 19: ...ff Off 1250 B On Off 1100 C Off On 1000 D On On 800 A Off Off 1800 B On Off 1700 C Off On 1400 D On On 1225 A Off Off 1800 B On Off 1700 C Off On 1400 D On On 1225 DP5HM24 DP5HM30 DP5HM42 DP5HM48 DP5HM36 CFM Output for DIP Switch Combinations 5 6 Cooling Heating MODEL SPEED TAP SWITCH 5 SWITCH 6 COOLING HP CFM A Off Off 1050 B On Off 950 C Off On 825 D On On 700 A Off Off 1250 B On Off 1100 C Off On 1000 D On On 800 ...

Page 20: ...2 34 51 47 SUPPLY 1 3 8 A RETURN POWER WIRE ENTRANCE 4 1 8 2 1 8 6 16 16 5 B B CONTROL WIRE ENTRANCE CONDENSATE DRAIN CONNECTION 3 4 NPT FEMALE 18 7 8 3 8 2 34 51 47 SUPPLY A RETURN 16 5 B CONTROL WIRE ENTRANCE CONDENSATE DRAIN CONNECTION 3 4 NPT FEMALE 18 7 8 SUCTION LIQUID PRESSURE PORT BEHIND PANEL 1 3 8 POWER WIRE ENTRANCE 4 1 8 2 1 8 6 16 B 3 8 MEDIUM CHASSIS DP5HM2441 DP5HM3041 LARGE CHASSIS...

Page 21: ...minum Indoor Coil Cleaning Qualified Servicer Only This unit is equipped with an aluminum tube evaporator coil The safest way to clean the evaporator coil is to simply flush the coil with water This cleaning practice remains as the recommended cleaning method for both copper tube and aluminum tube residential cooling coils An alternate cleaning method is to use one of the products listed in the te...

Page 22: ... Type NG Natural Gas LP Liquid Propane Residential Package Outdoor Section ELECTRICAL Supply Voltage Measure L1 and L2 Voltage L1 L2 Compressor Amps Condenser Fan Amps PRESSURES TEMPERATURES Suction Circuit Pressure Suction Line Temperature PSIG TEMP F Liquid Circuit Pressure Liquid Temperature PSIG TEMP F Outdoor Air Temperature Dry bulb Wet bulb DB F WB F SUPERHEAT SUBCOOLING SH SC Additional Ch...

Page 23: ...23 THIS PAGE IS LEFT INTENTIONALLY BLANK ...

Page 24: ...ly short process and entitles you to additional warranty protection except that failure by California and Quebec residents to register their product does not diminish their warranty rights The duration of warranty coverages in Texas differs in some cases For Product Registration please register by following this link https daikincomfort com owner support product registration You can also scan the ...

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