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DP3UM 13.4 SEER2 "M" SERIES
Single Package Gas-Electric Ultra-Low NOx Heating and Cooling Unit
Affix this manual
and Users Information Manual adjacent to the unit.
NOTE: this equipment is only approved for use with
r-32 refrigerant.
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
Do not bypass safety devices.
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2025
IOD-3034B
01/2025
WARNING
19001 Kermier Rd., Waller, TX 77484
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
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.
THIS EQUIPMENT IS NOT INTENDED FOR USE BY
PERSONS (INCLUDING CHILDREN) WITH REDUCED
PHYSICAL, SENSORY OR MENTAL CAPABILITIES, OR
LACK OF EXPERIENCE AND KNOWLEDGE, UNLESS THEY
HAVE BEEN GIVEN SUPERVISION OR INSTRUCTION
CONCERNING USE OF THE APPLIANCE BY A PERSON
RESPONSIBLE FOR THEIR SAFETY.
CHILDREN SHOULD BE SUPERVISED TO ENSURE THAT
THEY DO NOT PLAY WITH THE EQUIPMENT.
THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR
ANY INJURY OR PROPERTY DAMAGE ARISING FROM
IMPROPER SUPERVISION, 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 SUPERVISION,
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 SUPERVISION OR TRAINING MAY
RESULT IN PRODUCT DAMAGE, PROPERTY DAMAGE,
PERSONAL INJURY OR DEATH.
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.
This forced air central unit design complies with
requirements embodied in the American Standard /
National Standard of Canada show below.
ANSI Z21.47•CSA-2.3 Central Furnaces.
With R-32
WARNING
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Related Manuals for Daikin DP3UM
Summary of Contents for Daikin DP3UM
- Page 1 INSTALLATION INSTRUCTIONS DP3UM 13.4 SEER2 “M” SERIES With R-32 Single Package Gas-Electric Ultra-Low NOx Heating and Cooling Unit WARNING 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.
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY INSTRUCTIONS ............3 Limit Check ............... 22 To The Installer .............. 3 Unit Shutdown ..............22 Safety Considerations ........... 3 Cooling Startup .............. 23 HIGH ALTITUDE KIT ............... 5 Compressor Protection Devices ......... 23 Replace ID Plug ............... 5 RDS Function .............. -
Page 3: Safety Instructions
SAFETY INSTRUCTIONS WARNING To The Installer Do not connect to or use any device that is not certified by Before installing this unit, please read this manual to the manufacturer for use with this unit. Serious property familiarize yourself on the specific items which must be damage, personal injury, reduced unit performance and/or adhered to, including maximum external static pressure to hazardous conditions may result from the use of such non-... -
Page 4: Fire Or Explosion Hazard
WARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in serious injury, death or property damage. Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections. A fire or CARBON MONOXIDE POISONING HAZARD explosion may result causing property damage, personal injury or loss of life. -
Page 5: High Altitude Kit
Replacing ID Plug To replace ID plug: WARNING 1. Turn OFF power to unit. Do not use means to accelerate the defrosting process to clean, other than those recommended by the manufacturer. WARNING The appliance should be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric HIGH VOLTAGE... -
Page 6: Replacement Parts
1. Make notation on delivery receipt of any visible damage commercial models. Specification sheets can be found at to shipment or container. www.daikincomfort.com for Daikin brand products. Within 2. Notify the carrier promptly and request an inspection. the website, please select the residential or commercial 3. -
Page 7: Accessory Installation
THE FOLLOWING INSTRUCTIONS ARE MANDATORY FOR A2L SYSTEMS AND SUPERSEDE OTHER INSTRUCTIONS WARNING ONLY BRAZING TECHNIQUES AND APPROVED MECHANICAL JOINTS SHOULD BE USED TO CONNECT REFRIGERANT TUBING CONNECTIONS. NON-APPROVED MECHANICAL CONNECTORS AND OTHER METHODS ARE NOT PERMITTED IN THIS SYSTEM CONTAINING A2L REFRIGERANT. APPROVED MECHANICAL JOINTS WILL BE DETAILED IN THE PRODUCT'S SPECIFICATION SHEETS. - Page 8 ALTITUDE ADJUSTMENT FACTOR TO CALCULATE MINIMUM ROOM AREA The Indoor equipment mitigation requirements are calculated at sea level. For higher altitudes adjust the minimum room area specified o n or near the Serial Plate by the corresponding altitude adjustment factor shown below.
- Page 9 WARNING AVERTISSEMENT CARBON MONOXIDE POISONING HAZARD RISQUE D’INTOXICATION AU MONOXYDE DE CARBONE Failure to follow the steps outlined below for each Si les étapes décrites ci-dessous ne sont pas suivies pour appliance connected to the venting system being placed chacun des appareils raccordés au système de ventilation into operation could result in carbon monoxide poisoning au moment de sa mise en marche, cela peut entraîner une or death.
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Page 10: Cabling
Cabling The appliance shall be installed, operated and Check that cabling will not be subject to wear, corrosion, stored in a room with a floor area not less than the minimum room area. excessive pressure, vibration, sharp edges, or any other adverse environmental effects. -
Page 11: Ground Level Installations Only
• Units manufactured on or after May 1, 2017 are not permitted to be used in Canada for heating of buildings or structures under construction. Ground Level Installations Only: When the unit is installed on the ground adjacent to the building, a level concrete (or equal) base is recommended. -
Page 12: Roof Curb Installations Only
To assist in determining rigging requirements, unit weights and center of gravity are shown as follows: Roof Curb Installation Model Roof Curb DP3UM(24-61)***3*** D14CRBPGCHMA RIGGING DETAILS WARNING To prevent property damage, the unit should remain in an upright position during all rigging and moving operations. To facilitate lifting and moving when a crane is used, place the unit in an adequate cable sling. -
Page 13: Piping
Natural Gas Connection Operating Corner Weights (lb) Shipping Model Weight X (in) Y (in) Weight(lb) Natural Gas Capacity of Pipe (lb) 27.00 DP3UM2406031 24.18 in Cubic Feet of Gas Per Hour (CFH) 21.60 DP3UM3006031 27.84 21.6 Length of Nominal Black Pipe Size (inches) DP3UM3608031 26.99 20.81... -
Page 14: Gas Piping Checks
ELECTRICAL WIRING Thermostat Location Mount the thermostat approximately five feet above the floor, in an area that has an inside, vibration-free wall and has good air circulation. Movement of air must not be obstructed by furniture, door, draperies, etc. The thermostat must not be mounted where it will be affected by drafts, hot or cold water pipes or air ducts in walls, radiant heat from fireplace, lamps, the sun, television, etc. -
Page 15: High Voltage
DO NOT use gas piping, or conduit as an electrical ground. 1 STAGE COOLING - 1 PHASE POWER 2 STAGE COOLING - 1 PHASE POWER A dedicated ground wire must be run from the unit to the WH YL YL YL YL electrical panel. -
Page 16: Circulating Air And Filters
Single phase models are shipped without horizontal duct attached to the roof curb prior to installing the unit. covers. If needed, these kits may be ordered through Daikin’s Service Parts department. Ductwork dimensions are shown in the roof curb installation manual. -
Page 17: Venting
DRAIN VENTING CONNECTION UNIT 2" MINIMUM NOTE: Venting is self-contained. Do not modify or block. FLEXIBLE TUBING-HOSE 3" MINIMUM Installation - Flue Hood Exhaust OR PIPE 1. Locate the flue hood assembly box in the unit. 2. Slide screen over flanges on the lower flue hood. A POSITIVE LIQUID SEAL IS REQUIRED 3. -
Page 18: Cooling
STARTUP, ADJUSTMENTS, AND CHECKS Heating Startup This unit is equipped with an electronic ignition device to automatically light the main burners. It also has a power vent blower to exhaust combustion products. On new installations, or if a major component has been replaced, the operation of the unit must be checked. -
Page 19: Pre-Operation Checks
Pre-Operation Checks 1. Turn OFF gas to furnace at the manual gas shutoff 1. Close the manual gas valve external to the unit. valve external to the furnace. 2. Turn off the electrical power supply to the unit. 2. Turn OFF all electrical power to the system. 3. -
Page 20: Gas Manifold Pressure Measurement And Adjustment
7. Using a leak detection solution or soap suds, check 13. Turn valve switch ON. for leaks at outlet pressure tap screw (White-Rodgers NOTE: If measuring gas pressure at the drip leg, a Valve). Bubbles forming indicate a leak. SHUT OFF GAS AND REPAIR ALL LEAKS IMMEDIATELY! field-supplied hose barb fitting must be installed 8. -
Page 21: Temperature Rise Check
Example: Natural gas with a heating value of 1000 NOTE: Blower speed MUST be set to give the cor- BTU per cubic foot and 36 seconds per cubic foot as rect air temperature rise through the unit as marked on the rating plate. determined by External Static Pressure Check Step 2, then:... -
Page 22: Eem Motors
Hea ti ng Speeds to verify speed tap settings. Unus ed OFF for Two-Sta ge DP3UM models are equipped with EEM motors. EEM 5, 6 Cool i ng Speeds motors are constant torque motors with very low power 7, 8 Ai rfl ow Adjus t consumption. -
Page 23: Cooling Startup
Zone controller to local legislation in the correct recovery cylinder, must be powered through a Daikin Zoning/Accessory PCB and the relevant waste transfer note arranged. Do not to ensure that the Zoning Dampers open during mitigation mix refrigerants in recovery units and especially not in mode to provide ventilation throughout all ducting. -
Page 24: Refrigerant Charge Check
Refrigerant Charge Check NOTE: TXV adjustments should not exceed one NOTE: After completing airflow measurements and turn clockwise (CW) or counterclockwise (CCW) adjustments the unit’s refrigerant charge must be from the factory setting. checked. The unit comes factory charged, but this charge is based on 325 CFM per ton and minimum For TXV systems, to adjust superheat, unscrew the ESP per AHRI test conditions (generally between... -
Page 25: Cooling Operation
Ignition Control Error Codes Design Superheat & Subcooling The following presents probable causes of questionable Sub- Super- Cool- Outdoor Expansion unit operation. Refer to Diagnostic Indicator Chart for Model cooling heat Ambient Device an interpretation of the signal and to this section for an ±1°F ±2°F Stage... -
Page 26: Resetting From Lockout
Resetting From Lockout Primary Limit An external lockout occurs if the integrated ignition control A primary limit will open due to excessive supply air determines that a measurable combustion cannot be temperatures. This can be caused by a dirty filter, established within three (3) consecutive ignition attempts. -
Page 27: Id Plug
If you are using an electronic thermostat and the it with Sensata R32 Sensor PN#RGD-00ML12 compressor has not started after three minutes, (Daikin PN#SER2A08011).” wait an additional five minutes to allow the Before servicing, identify the mode of operation of the thermostat to complete its short cycle delay time. -
Page 28: Cabinet Finish Maintenance
Dirty filters are the most common cause of inadequate 5. When all heat exchanger tubes have been cleaned, heating or cooling performance. Filter inspection should be replace the parts in the reverse order in which they made at least every two months; more often if necessary were removed. -
Page 29: Accessories And Functional Parts
ACCESSORIES AND FUNCTIONAL PARTS Sheet Metal Accessories Additional accessories can be purchased to fit specific application needs. Parts and instructions are available from your distributor. FUNCTIONAL PARTS FUNCTIONAL PARTS Auxiliary Limit Switch Gas Orifice Blower Housing Gas Valve Blower/Collector Box Gasket Gas Manifold Blower Wheel Heat Exchanger... -
Page 30: Appendix
APPENDIX Diagnostic Chart THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE TO TROUBLESHOOTING THIS APPLIANCE. SOME MORE USEFUL STATUS LIGHT CODES ARE BELOW: MINIMUM MINIMUM MINIMUM DESCRIPTION COLOR LOCKOUT DESCRIPTION COLOR LOCKOUT DESCRIPTION COLOR LOCKOUT ACTIVITY ACTIVITY ACTIVITY... -
Page 31: Unit Dimensions
DP3UM30***3*** 34 1/2 Medium DP3UM36***3*** 34 1/2 Medium DP3UM42***3*** 42 1/2 Large DP3UM48***3*** 42 1/2 Large DP3UM60***3*** 42 1/2 Large Horizontal Duct Openings Model Supply Return DP3UM24***3*** DP3UM30***3*** DP3UM36***3*** DP3UM42***3*** DP3UM48***3*** DP3UM60***3*** Down Discharge Duct Openings Model Supply Return DP3UM... -
Page 32: Wiring Diagram
WIRING DIAGRAM 2 - 4 TON (DP3UM(24-48**31)) (SINGLE PHASE) 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. ALARM PLM1... - Page 33 5 TON (DP3UM61**31) WIRING DIAGRAM (SINGLE PHASE) 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. t = 180s LINE VOLTAGE 208-230V/1PH/60Hz ALARM...
- Page 34 WIRING DIAGRAM 3 AND 4 TON (DP3UM(36, 48**33)) 3 PHASE 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. ALARM...
- Page 35 WIRING DIAGRAM 5 TON (DP3UM60**33) 3 PHASE 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. t = 180s LINE ALARM PLM1 VOLTAGE...
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Page 36: Blower Performance Data
BLOWER PERFORMANCE DATA DP3UM3006031** - Rise Range: 30° - 60° CURRENT T1 FAN ONLY SPEED T2 HEATING SPEED T3 HEATING SPEED T4 COOLING SPEED T5 COOLING SPEED WATTS WATTS RISE WATTS RISE WATTS WATTS E.S.P. 1196 1184 1285 1147 1141 1238 1102 1102... - Page 37 BLOWER PERFORMANCE DATA DP3UM2404031** - Rise Range 20° - 50° CURRENT T1 FAN ONLY SPEED T2 HEATING SPEED T3 HEATING SPEED T4 COOLING SPEED T5 COOLING SPEED E.S.P. WATTS WATTS RISE WATTS RISE WATTS WATTS 1119 1110 1083 1052 1017 DP3UM4208031**- Rise Range: 30°...
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Page 38: Homeowner's Routine Maintenance Recommendations
HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS PACKAGE UNITS - Dual fuel & Gas HOMEOWNER’S Routine Maintenance Recommendations We strongly recommend a bi-annual maintenance checkup be performed by a qualified service agency before the heating and cooling seasons begin. Compressor WARNING The compressor motor is hermetically sealed and does not require additional oiling. - Page 39 Before Calling Your Servicer Confirm that they are open and have not been blocked • Check the thermostat to confirm that it is properly set. by objects (rugs, curtains or furniture). • Check the disconnect switch near the unit to confirm •...
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Page 40: Start-Up Checklist
START-UP CHECKLIST Residen�al Package - (Indoor Sec�on) Model Number Serial Number ELECTRICAL Line Voltage (Measure L1 and L2 Voltage) L1 - L2 Secondary Voltage (Measure Transformer Output Voltage) R - C Blower Amps Heat Strip 1 - Amps Heat Strip 2 - Amps BLOWER EXTERNAL STATIC PRESSURE Return Air Sta�c Pressure IN. - Page 41 THIS PAGE LEFT INTENTIONALLY BLANK.
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Page 44: Customer Feedback
CUSTOMER FEEDBACK Daikin is very interested in all product comments. Please fill out the feedback form on the following link: https://daikincomfort.com/contact-us You can also scan the QR code on the right to be directed to the feedback page. Our continuing commitment to quality products may mean a change in specifications without notice.
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