Daikin DHG Series Installation Instructions Manual
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Daikin DHG Series Installation Instructions Manual

Daikin DHG Series Installation Instructions Manual

Light commercial packaged gas /electric unit 7.5 to 12.5 ton
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DHG Series
Light Commercial Packaged Gas /Electric Unit
7.5 to 12.5 Ton
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
single package heating and cooling units. See the Specification
Sheet applicable to your model for information regarding
accessories.
NOTE: Please contact your distributor or our website for the
applicable Specification Sheet referred to in this manual.
This forced air central unit design complies with requirements
embodied in The American National Standard / National Standard
of Canada: ANSI Z21.47•CSA-2.3 Gas-fired central furnaces.
©2024
IOD-1072
10/2024
Installation Instructions
Our continuing commitment to quality products may mean a change in specifications without notice.
19001 Kermier RD., Waller, TX 77484
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.
DO NOT BYPASS SAFETY DEVICES
Replacement Parts ........................................................... 2
Safety Instructions ............................................................ 2
General Information .......................................................... 4
Unit Location..................................................................... 6
Clearances ....................................................................... 8
Roof Curb Post-Installation Checks.................................. 8
Roof Top Duct Connections .............................................. 8
Rigging Details ................................................................. 9
Weights and Center of Gravity ........................................ 10
Electrical Wiring ............................................................... 10
Gas Supply Piping ........................................................... 13
Propane Gas Installations ............................................... 15
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
WARNING
WARNING
INDEX

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Summary of Contents for Daikin DHG Series

  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS DHG Series Light Commercial Packaged Gas /Electric Unit 7.5 to 12.5 Ton Installation Instructions 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.

  • Page 2: Replacement Parts

    - Installation and service must be performed by EQUIPMENT SUPPORT a qualified installer, service agency or the gas supplier. Daikin Comfort Technologies Manufacturing, L.P. 19001 Kermier Road •Waller, Texas 77484 WARNING 855-DAIKIN-1 Do not connect to or use any device that is not...
  • Page 3 WARNING This unit must not be used as a “construction heater” during the finishing phases of construction on a new structure. This type of use may result in premature failure of the unit due to extremely low return air temperature and exposure to corrosive or very dirty atmospheres.

  • Page 4: General Information

    Specification sheets can be found at ductwork. www.daikinac.com for Daikin brand products. Within the website, please select the commercial products menu WARNING and then select the submenu for the type of product to be...

  • Page 5: National Codes

    National Codes d. Copy of the inspection report issued by the carrier representative at the time damage is This product is designed and manufactured to permit reported to the carrier. The carrier is responsible installation in accordance with National Codes. It is the for making prompt inspection of damage and installer’s responsibility to install the product in accordance for a thorough investigation of each claim.

  • Page 6: All Installations

    The following leak detection methods are deemed IMPORTANT: Refer to the Altitude Adjusted Room Area acceptable for all refrigerant systems. Calculation referenced later in this manual Electronic leak detectors may be used to detect refrigerant IMPORTANT NOTE: Remove wood shipping rails prior to leaks but, in the case of FLAMMABLE REFRIGERANTS, installation of the unit.
  • Page 7 • The combustion air inlet and flue outlet on the unit • Do not skid or slide on any surface as this may must never be obstructed. If used, do not allow the damage unit base. The unit must be stored on a flat, economizer/manual fresh air damper/ motorized fresh level surface.

  • Page 8: Clearances

    CLEARANCES INSULATED PANELS 48" 48" 48" 48" Roof Curb Installation ROOF CURB POST-INSTALLATION Unit Clearances CHECKS *In situations that have multiple units, a 48” minimum After installation, check the top of the curb, duct connection clearance is required between the condenser coils. frame and duct flanges to make sure gasket has been Adequate clearance around the unit should be kept for applied properly.

  • Page 9: Rigging Details

    • Two spreader bars must span over the unit to prevent damage to the cabinet by the lift cables. Spreader bars must be of sufficient length so that cables do not come in contact with the unit during transport. 14" 7/8"...

  • Page 10: Weights And Center Of Gravity

    Important: If using bottom discharge with roof curb, DHG WEIGHTS (lbs) ductwork should be attached to the curb prior to Data 7.5T 8.5T 12.5T installing the unit. Ductwork dimensions are shown in Corner weight- A Roof Curb Installation Instructions. Corner weight- B Refer to the Roof Curb Installation Instructions for proper Corner weight- C curb installation.
  • Page 11 WARNING CAUTION HIGH VOLTAGE! To avoid risk of property damage, personal To avoid personal injury or death injury or fire, use only copper conductors. due to electrical shock, do not tamper with factory wiring. The internal power and control wiring CAUTION of these units are factory-installed and have been thoroughly tested...

  • Page 12: Terminal Board

    COMPRESSOR COMPRESSOR CONTACTOR 1 CONTACTOR 2 AUXILIARY SWITCH 1 AUXILIARY SWITCH 2 REFRIGERANT POWER DETECTION BLOCK SYSTEM PCB BLOWER CONTACTOR LINE VOLTAGE CONDENSER MOTOR CONTACTOR CONTROLLER VENT MOTOR CONTACTOR GAS BOARD (NOT IN DHC) GROUND TERMINAL BLOCK THERMOSTAT CONNECTIONS LOW VOLTAGE TRANSFORMER 1 COMPRESSOR COMPRESSOR...

  • Page 13: Gas Supply Piping

    Units installed on Roof Tops 2. Locate thermostat or remote sensor in the conditioned space where it will sense average temperature. Do Main power and low voltage wiring may enter the unit not locate the device where it may be directly exposed through the condenser end of unit or through the roof to supply air, sunlight or other sources of heat.

  • Page 14: Natural Gas Connection

    The rating plate is stamped with the model number, type of 2. Use pipe joint compound on male threads only. Pipe gas and gas input rating. Make sure the unit is equipped joint compound must be resistant to the action of the to operate on the type of gas available.

  • Page 15: Propane Gas Installations

    Gas Piping Checks All propane gas equipment must conform to the safety standards of NFPA 58 - Liquefied Petroleum Gas Code. CAUTION For satisfactory operation, propane gas pressure must be within 9.7 - 10.3 inches w.c. for high fire at the manifold with all gas appliances in operation.

  • Page 16: Circulating Air And Filters

    2. All units are furnished with standard female 1/2” NPT CAUTION pipe connections. The size of the gas supply piping to the unit must be based on length of run, number This unit must be ISOLATED from the gas supply of units on the system, gas characteristics, BTU piping system by closing its individual manual requirement and available supply pressure.

  • Page 17: Startup, Adjustments, And Checks

    STARTUP, ADJUSTMENTS, AND CHECKS WARNING HIGH VOLTAGE! STANDARD SIDE DRAIN DRAIN PLUG To avoid personal injury or death due (FACTORY-INSTALLED) to electrical shock, bond the frame of this unit to the building electrical BASE RAIL ground by use of the grounding terminal provided or other OPEN 2"...
  • Page 18 Temporary Heating Or Cooling Pre-startup Precautions If the unit is to be used for temporary heating or cooling, a It is important to your safety that the unit has been properly “Startup, Adjustments, and Checks” must first be performed grounded during installation. Check ground lug connection in accordance with this manual.

  • Page 19: Air Flow Adjustments

    AIR FLOW ADJUSTMENTS When the final adjustments are complete, the current draw of the motor should be checked and compared to the full load current rating of the motor. The amperage must not exceed the service factor stamped on the motor nameplate.
  • Page 20 DHG Model Wiring GR (FAN) Energized during Heat Mode BR (Heating Stage 2) PU (Cooling Stage 2) ** TB1-DH is energized when the unit is in heat mode. When TB1-DH is energized, the blower motor WH (Heating Stage 1) operates at a new group of programmed speeds, T6-T10, in place of T1-T5.

  • Page 21: Gas System Check

    GAS SYSTEM CHECK The first step in checking out the gas-fired furnace is to test the gas supply piping to the unit for tightness and purge the Pre-Operation Checks system of air using methods outlined in the latest edition of 1.
  • Page 22 NOTE: Gas appliances located more than 2000 feet • With supply gas ON, using leak detection solution, above sea level must be derated 4% per 1000 feet check for gas leaks around pressure tap. Bubbles of total elevation and that variance in gas heating forming indicate a leak.

  • Page 23: Temperature Rise Check

    The measured input rate to the furnace must not exceed the White-Rodgers 2 Stage Gas Control Valve rating specified on the unit rating plate. To connect a manometer to the outlet pressure tap of the For natural gas, the high stage manifold pressure must be gas valve: between 3.2 and 3.8 inches water column (3.5 nom inal).

  • Page 24: Normal Sequence Of Operation

    If the correct amount of temperature rise is not obtained, it 10. When the space temperature rises, the thermostat may be necessary to change the blower speed. A higher will open R-W. Opening R-W will cause the gas valve blower speed will lower the temperature rise. A slower to close, and the furnace to shut down.

  • Page 25: Start-Up Procedure And Checklist

    It will cycle the furnace off if the discharge air is installed in the ductwork attached to this system, the temperature exceeds 200°F. Zone controller must be powered through a Daikin Zoning/ Accessory PCB to ensure that the Zoning Dampers open Blocked Inlet Limit Control...
  • Page 26 6. Slowly lower the cooling temperature until the unit starts. The compressor, blower and fan should now WARNING be operating. Allow the unit to run 10 minutes, make sure cool air is being supplied by the unit. On units BURN HAZARD! with DDC controls installed, use Test/Balance Menu to DO NOT TOUCH! DISCHARGE LINE MAY BE HOT! force the unit to Low Cool Mode or High Cool Mode.

  • Page 27: Checking Subcooling

    Checking Subcooling Refrigerant Charge Check Note: For optimal performance, follow charging NOTE: Make sure the air flow is correct before making any adjustments. Units with a TXV should instructions below. be charged to Subcooling only. (Units with Expansion Valve (TXV)) SUBCOOLING FORMULA = SATURATED LIQUID LINE Run unit on High Stage cooling and refer to Design TEMPERATURE - LIQUID LINE TEMPERATURE...

  • Page 28: Charging Procedures

    Recovery Charging Procedures When removing refrigerant from a system, either for In addition to conventional charging procedures, the servicing or decommissioning, it is recommended good following requirements shall be followed. practice that all refrigerants are removed safely. • Ensure that contamination of different refrigerants When transferring refrigerant into cylinders, ensure does not occur when using charging equipment.

  • Page 29: Standing Pressure Test/ Leak Detection Method

    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 30: Altitude Adjustment Factor Table

    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 31: Maintenance

    Final System Checks CAUTION 1. Check to see if all supply and return air grilles are adjusted and the air distribution system is balanced Sheet metal parts, screws, clips and similar for the best compromise between heating and cooling. items inherently have sharp edges, and it is necessary that the installer and service 2.

  • Page 32: Clean Outside Coil (Qualified Servicer Only)

    Cabinet Finish Maintenance b. Disconnect wires from the flame rod and ignition electrode. Use a fine grade automotive wax on the cabinet finish to maintain the finishes original high luster. This is especially c. Disconnect the gas piping at the union. important in installations with extended periods of direct d.

  • Page 33: Troubleshooting

    TROUBLESHOOTING If the burner flames are not properly drawn into the heat exchanger, the flame rollout protection device will open. Ignition Control Error Codes Possible causes are restricted or blocked flue passages, The following presents probable causes of questionable blocked or cracked heat exchanger, a failed induced unit operation.
  • Page 34 The diagnostic LED will flash six (6) SENSOR requires replacement, please replace with times to indicate the compressor contactor output is being Sensata R32 Sensor PN#RGD-00ML12 (Daikin delayed. PN#SER2A08011). NOTE: Some electronic thermostats also have a built-...

  • Page 35: Appendix A Blower Performance Tables

    APPENDIX A BLOWER PERFORMANCE TABLES 7.5 Ton 7.5 Ton 130 MBH Gas Heat Exchanger 130 MBH Gas Heat Exchanger Standard Static Direct Drive Medium Static Direct Drive Models: DHG0903LL, DHG0904LL, DHG0907LL Models: DHG0903DL, DHG0904DL, DHG0907D Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap ESP CFM RPM BHP...
  • Page 36 APPENDIX A BLOWER PERFORMANCE TABLES 7.5 Ton 130 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG0903WL, DHG0904WL, DHG0907WL Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP 0.38...
  • Page 37 APPENDIX A BLOWER PERFORMANCE TABLES 7.5 Ton 7.5 Ton 180 MBH Gas Heat Exchanger 180 MBH Gas Heat Exchanger Standard Static Direct Drive Medium Static Direct Drive Models: DHG0903DM, DHG0904DM, DHG0907DM Models: DHG0903LM, DHG0904LM, DHG0907LM Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP...
  • Page 38 APPENDIX A BLOWER PERFORMANCE TABLES 7.5 Ton 180 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG0903WM, DHG0904WM, DHG0907WM Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP Speed Tap ESP CFM RPM BHP 0.40...
  • Page 39 APPENDIX A BLOWER PERFORMANCE TABLES 7.5 Ton 7.5 Ton 225 MBH Gas Heat Exchanger 225 MBH Gas Heat Exchanger Medium Static Direct Drive Standard Static Direct Drive Models: DHG0903DH, DHG0904DH, DHG0907DH Models: DHG0903LH, DHG0904LH, DHG0907LH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap ESP CFM RPM BHP Speed Tap...
  • Page 40 APPENDIX A BLOWER PERFORMANCE TABLES 7.5 Ton 225 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG0903WH, DHG0904WH, DHG0907WH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 0.40 0.36 0.66 0.60 1954 2102 2569...
  • Page 41 APPENDIX A BLOWER PERFORMANCE TABLES 8.5 Ton 8.5 Ton 130 MBH Gas Heat Exchanger 130 MBH Gas Heat Exchanger Standard Static Direct Drive Medium Static Direct Drive Models: DHG1023DL, DHG1024DL, DHG1027DL Models: DHG1023LL, DHG1024LL, DHG1027LL Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 42 APPENDIX A BLOWER PERFORMANCE TABLES 8.5 Ton 130 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1023WL, DHG1024WL, DHG1027WL Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 0.32 0.27 0.64 0.56 1714 1856 2398...
  • Page 43 APPENDIX A BLOWER PERFORMANCE TABLES 8.5 Ton 8.5 Ton 180 MBH Gas Heat Exchanger 180 MBH Gas Heat Exchanger Standard Static Direct Drive Medium Static Direct Drive Models: DHG1023DM, DHG1024DM, DHG1027DM Models: DHG1023LM, DHG1024LM, DHG1027LM Down Flow Down Flow Horizontal Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 44 APPENDIX A BLOWER PERFORMANCE TABLES 8.5 Ton 180 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1023WM, DHG1024WM, DHG1027WM Down Flow Down Flow Horizontal Flow Horizontal Flow Speed Tap CFM RPM BHP Speed Tap CFM RPM BHP Speed Tap CFM RPM BHP Speed Tap CFM RPM BHP...
  • Page 45 APPENDIX A BLOWER PERFORMANCE TABLES 8.5 Ton 8.5 Ton 225 MBH Gas Heat Exchanger 225 MBH Gas Heat Exchanger Standard Static Direct Drive Medium Static Direct Drive Models: DHG1023DH, DHG1024DH, DHG1027DH Models: DHG1023LH, DHG1024LH, DHG1027LH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 46 APPENDIX A BLOWER PERFORMANCE TABLES 8.5 Ton 225 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1023WH, DHG1024WH, DHG1027WH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 0.37 0.31 0.71 0.63 1863 2029 2522...
  • Page 47 APPENDIX A BLOWER PERFORMANCE TABLES 10 Ton 10 Ton 130 MBH Gas Heat Exchanger 130 MBH Gas Heat Exchanger Standard Static Direct Drive Medium Static Direct Drive Models: DHG1203DL, DHG1204DL, DHG1207DL Models: DHG1203LL, DHG1204LL, DHG1207LL Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 48 APPENDIX A BLOWER PERFORMANCE TABLES 10 Ton 130 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1203WL, DHG1204WL, DHG1207WL Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 0.44 0.40 0.46 0.42 2248 2312 2306...
  • Page 49 APPENDIX A BLOWER PERFORMANCE TABLES 10Ton 10 Ton 180 MBH Gas Heat Exchanger 180 MBH Gas Heat Exchanger Standard Static Direct Drive Medium Static Direct Drive Models: DHG1203DM, DHG1204DM, DHG1207DM Models: DHG1203LM, DHG1204LM, DHG1207LM Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 50 APPENDIX A BLOWER PERFORMANCE TABLES 10 Ton 180 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1203WM, DHG1204WM, DHG1207WM Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 2248 0.44 2312 0.40 3493 1.16 3603...
  • Page 51 APPENDIX A BLOWER PERFORMANCE TABLES 10 Ton 10 Ton 240 MBH Gas Heat Exchanger 240 MBH Gas Heat Exchanger Medium Static Direct Drive Standard Static Direct Drive Models: DHG1203DH, DHG1204DH, DHG1207DH Models: DHG1203LH, DHG1204LH, DHG1207LH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 52 APPENDIX A BLOWER PERFORMANCE TABLES 10 Ton 240 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1203WH, DHG1204WH, DHG1207WH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 0.44 0.40 0.92 0.83 2248 2312 3158...
  • Page 53 APPENDIX A BLOWER PERFORMANCE TABLES 12.5 Ton 12.5 Ton 130 MBH Gas Heat Exchanger 130 MBH Gas Heat Exchanger Medium Static Direct Drive Standard Static Direct Drive Models: DHG1503DL, DHG1504DL, DHG1507DL Models: DHG1503LL, DHG1504LL, DHG1507LL Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 54 APPENDIX A BLOWER PERFORMANCE TABLES 12.5 Ton 130 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1503WL, DHG1504WL, DHG1507WL Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap CFM RPM BHP Speed Tap CFM RPM BHP Speed Tap CFM RPM BHP Speed Tap CFM RPM BHP...
  • Page 55 APPENDIX A BLOWER PERFORMANCE TABLES 12.5 Ton 12.5 Ton 180 MBH Gas Heat Exchanger 180 MBH Gas Heat Exchanger Medium Static Direct Drive Standard Static Direct Drive Models: DHG1503DM, DHG1504DM, DHG1507DM Models: DHG1503LM, DHG1504LM, DHG1507LM Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 56 APPENDIX A BLOWER PERFORMANCE TABLES 12.5 Ton 180 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1503WM, DHG1504WM, DHG1507WM Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 0.63 0.54 2511 2735 0.83 0.73 2642...
  • Page 57 APPENDIX A BLOWER PERFORMANCE TABLES 12.5 Ton 12.5 Ton 240 MBH Gas Heat Exchanger 240 MBH Gas Heat Exchanger Medium Static Direct Drive Standard Static Direct Drive Models: DHG1503DH, DHG1504DH, DHG1507DH Models: DHG1503LH, DHG1504LH, DHG1507LH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap...
  • Page 58 APPENDIX A BLOWER PERFORMANCE TABLES 12.5 Ton 240 MBH Gas Heat Exchanger High Static Direct Drive Models: DHG1503WH, DHG1504WH, DHG1507WH Down Flow Horizontal Flow Down Flow Horizontal Flow Speed Tap Speed Tap Speed Tap Speed Tap 0.97 0.86 2833 3259 0.63 0.54 2511...
  • Page 59 APPENDIX A BLOWER PERFORMANCE DATA THE FOLLOWING TABLES ARE PROVIDED FOR REFERENCE ONLY TO SHOW DDC CONTROL SETTINGS RELATIONSHIP TO UNIT CFM. BLOWER SPEED SETTINGS MUST BE SET TO MEET THE MINIMUM REQUIRED CFM OF THEIR STAGES. 7.5 TON MODELS : DHG0903D, DHG0904D & DHG0907D WITH DDC CONTROLS STANDARD STATIC TO 2.4 HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC %...
  • Page 60 APPENDIX A BLOWER PERFORMANCE DATA 7.5 TON MODELS : DHG0903L, DHG0904L & DHG0907L WITH DDC CONTROLS MEDIUM STATIC TO 2.4 HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.28 0.36 0.41 0.55 0.66 1400...
  • Page 61 APPENDIX A BLOWER PERFORMANCE DATA MODELS : DHG0903W,DHG0904W & DHG0907W WITH DDC CONTROLS HIGH STATIC TO 3.5 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 1800 0.39 0.50 0.55 0.73 0.80 2000 0.46 0.58...
  • Page 62 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON MODELS : DHG1023D,DHG1024D & DHG1027D WITH DDC CONTROL STANDARD STATIC TO 2.4 HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.55 1600 0.42 0.57 0.62 1800 2000...
  • Page 63 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON MODELS : DHG1023L,DHG1024L & DHG1027L WITH DDC CONTROL MEDIUM STATIC TO 3.5 HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.55 0.73 1600 1800 0.42 0.57 0.62...
  • Page 64 APPENDIX A BLOWER PERFORMANCE DATA 8.5 TON MODELS : DHG1023W,DHG1024W & DHG1027W WITH DDC CONTROL HIGH STATIC TO 3.5 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 1600 0.55 0.73 0.42 0.57 0.62 0.82...
  • Page 65 APPENDIX A BLOWER PERFORMANCE DATA 10 TON MODELS : DHG1203D, DHG1204D & DHG1207D WITH DDC CONTROL STANDARD STATIC TO 2.4HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 2000 0.55 0.65 0.81 0.43 0.62 0.73...
  • Page 66 APPENDIX A BLOWER PERFORMANCE DATA 10 TON MODELS : DHG1203L, DHG1204L & DHG1207L WITH DDC CONTROL MEDIUM STATIC TO 3.5HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 1800 0.87 2000 0.38 0.55 0.65 0.81...
  • Page 67 APPENDIX A BLOWER PERFORMANCE DATA 10 TON MODELS : DHG1203W, DHG1204W & DHG1207W WITH DDC CONTROL MEDIUM STATIC TO 5.0 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 1800 2000 0.40 0.48 0.68 0.80...
  • Page 68 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON MODELS : DHG1503D, DHG1504D & DHG1507D WITH DDC CONTROL STANDARD STATIC TO 3.5HP (0.2 ~ 0.8 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.62 0.67 2000 2200 0.51 0.66 0.70...
  • Page 69 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON MODELS : DHG1503L, DHG1504L & DHG1507L WITH DDC CONTROL MEDIUM STATIC TO 3.5HP (0.2 ~ 1.4 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.51 0.66 0.70 0.76 0.87 2200 2400...
  • Page 70 APPENDIX A BLOWER PERFORMANCE DATA 12.5 TON MODELS : DHG1503W, DHG1504W & DHG1507W WITH DDC CONTROL MEDIUM STATIC TO 5.0 HP (0.2 ~ 2.0 ESP) DOWN FLOW DDC % DDC % DDC % DDC % DDC % 0.78 1.02 1.06 1.32 1.45 2400...

  • Page 71: Appendix B Electrical Data

    APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Compressor Outdoor Fan Motor Indoor Fan Motor Power Supply Model Number Electrical Rating Convienience Outlet Exhaust* 39.4/39.4 50/50 9.6/8.7 49.0/48.1 60/60 DHG0903D 208/230/3/60 12.2 0.33 3.3/3.0 (2.4) 42.7/42.4 50/50 9.6/8.7 3.3/3.0 (2.4) 52.3/51.1 60/60 39.4/39.4 50/50...
  • Page 72 APPENDIX B ELECTRICAL DATA Electrical Data Optional Powered Optional Power Compressor Outdoor Fan Motor Indoor Fan Motor Power Supply Convienience Outlet Exhaust* Model Number Electrical Rating 46.6/46.6 60/60 9.6/8.7 56.2/55.3 70/70 DHG1203D 208/230/3/60 15.4 0.33 3.3/3.0 (2.4) 49.9/49.6 60/60 9.6/8.7 3.3/3.0 (2.4) 59.5/58.3 70/70 49.5/49.5 60/60...

  • Page 73: Appendix C Unit Dimensions

    APPENDIX C UNIT DIMENSIONS 59-5/8" 93-1/8" 4-1/4" 5-7/8" 93-3/4" 60-3/8" 19-3/4 6-3/32 14" 7/8" RETURN 23-7/8 13" X 36" 7-1/4 RETURN 37-3/4" 6-1/2 SUPPLY SUPPLY 15" 14" X 28" 23-1/2" 9-3/8" 5-7/8 5-1/32 2-7/8 4-3/4" 29-1/2" 1" 6-1/2" EMBOSS FOR THRU THE BASE UNTILITIES NOTE: Refer to IOD-7082 included in the literature pack for installing horizontal duct covers.

  • Page 74: Appendix D Min-Max Airflow

    APPENDIX D MIN-MAX AIRFLOW Minimum Maximum Rated Heating Heating UNIT High Input Heat Airlflow Airflow (MBH) (SCFM) (SCFM) High 1765 3882 1323 2912 High 2443 5375 DHG090 1832 4031 High 2400 4199 1800 3149 High 1765 3882 1323 2912 High 2443 5375 DHG102...

  • Page 75: Appendix E Wiring Diagrams

    APPENDIX E WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 76 APPENDIX E WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 77 APPENDIX E WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 78 APPENDIX E WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 79 APPENDIX E WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 80 APPENDIX E WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 83 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 84 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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