Daikin DBG Series Configuration guide

5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikinac.com
ATTENTION INSTALLING PERSONNEL:





RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
outdoor 

  

*NOTE:  





DBG SERIES
LIGHT COMMERCIAL PACKAGED GAS UNIT
15 to 25 ToN
Our continuing commitment to quality products may mean a change in specications without notice.


Index
Replacement Parts ................................................................2
.................................................................2
 ..............................................................3
.........................................................................4
Clearances.............................................................................6
.........................................6
....................................................6
Rigging Details.......................................................................6
Electrical Wiring ....................................................................8
Gas Supply Piping ................................................................10
 ....................................................12
.....................................................13
................................................................................13
NOTE: 15 & 20 ton model shown in picture.
25 ton model has 2 fans.
ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, ADJUST, SERVICE 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. IFYOU SERVICE THIS UNIT, YOU ASSUME RESPONSIBILITY
FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT. INADDITION, 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 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.
©2019

65rnin
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS

WARN ING

2
REPLACEMENT PARTS

    
   

 

www.daikinac.com
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
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855-DAIKIN-1
SAFETY INSTRUCTIONS


   
  


I F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED
EXACTLY , A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY
DAMAGE , PERSONAL INJURY OR LOSS OF LIFE .
           
          
        
       ;     
   
          
 
       
           
 
     BE    
        
WHAT TO DO IF YOU SMELL GAS:
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WARNING
S HOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF ,
TURN OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE
FURNACE BEFORE TURNING OFF THE ELECTRICAL SUPPLY .
WARNING
SHEET METAL PARTS, SCREWS, CLIPS AND SIMILAR ITEMS INHERENTLY
HAVE SHARP EDGES, AND IT IS NECESSARY THAT THE INSTALLER AND
SERVICE PERSONNEL EXERCISE CAUTION.
CAUTION
DONOT CONNECT TO OR USE ANY DEVICE THAT IS NOT DESIGN
CERTIFIED BY THE 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-APPROVED DEVICES.
WARNING
T HIS UNIT MUST NOT BE USED AS A “ CONSTRUCTION HEATER ” DURING
THE FINISHING PHASES OF CONSTRUCTION ON A NEW STRUCTURE . T HIS
TYPE OF USE MAY RESULT IN PREMATURE FAILURE OF THE UNIT DUE TO
EXTREMELY LOW RETURN AIR TEMPERATURES AND EXPOSURE TO
CORROSIVE OR VERY DIRTY ATMOSPHERES .
WARNING
HIGH VOLTAGE !
D ISCONNECT ALL POWER BEFORE SERVICING OR
INSTALLING THIS UNIT . M ULTIPLE POWER SOURCES MAY
BE PRESENT . F AILURE TO DO SO MAY CAUSE PROPERTY
DAMAGE , PERSONAL INJURY OR DEATH .
WARNING
T O PREVENT THE RISK OF PROPERTY DAMAGE , PERSONAL INJURY OR
DEATH , DO NOT STORE COMBUSTIBLE MATERIALS OR USE GASOLINE OR
OTHER FLAMMABLE LIQUIDS OR VAPORS IN THE VICINITY OF THIS
APPLIANCE .
WARNING
 .............................................13
 .......................................13
...........................................................15
 .................................................16
................................................................16
 ............................18
 ............................20
Maintenance .......................................................................21
 ..................................................................22
Appendix A Blower Performance Data.................................24
Appendix B Electrical Data...................................................27
Appendix C Unit Dimensions ...............................................28
Appendix D Wiring Diagrams...............................................29
.................................................................37

3
GENERAL INFORMATION


T O PREVENT PROPERTY DAMAGE , PERSONAL INJURY OR DEATH DUE TO
FIRE , EXPLOSIONS , SMOKE , SOOT , CONDENSATION , ELECTRIC SHOCK OR
CARBON MONOXIDE , THIS UNIT MUST BE PROPERLY INSTALLED ,
REPAIRED , OPERATED AND MAINTAINED .
WARNING



  






    








  
  
  



















   




  







     


 

 
 

 
 
 
 


4
        
    
 
   


NOTE: 








UNIT LOCATION
T O PREVENT POSSIBLE EQUIPMENT DAMAGE , PROPERTY DAMAGE ,
PERSONAL INJURY OR DEATH , THE FOLLOWING BULLET POINTS MUST BE
OBSERVED WHEN INSTALLING THE UNIT .
WARNING
IMPORTANT NOTE: 
See important note under Roof Curb Installaon Only.

Unit should be energized 24 hours prior to
compressor start up to ensure crankcase heater has suciently
warmed the compressors. Compressor damage may occur if
this step is not followed.
NOTE: 
  




 

• 


• 





•     



   


   


• 
 
 
  
 

•  
  


• 





• 


• 

      

• 


• 




• 

• 

• 



•    




5
• 

   


• 



 
    

     

     

 

 



B

   MUST BE REMOVED

Please follow the instrucons below to remove brace.
         
    
        
      
CAUTION

The struts are located in the fork holes and
are used to protect the unit from damage while liing with
forks. The shipping brace is located under the unit (under
compressor).

     

LIFT OVER APPROXIMATE
CENTER OF UNIT
SPREADER BARS
MUST BE USED WITH
LIFTING STRAPS THAT
ARE LESS THAN 16
FEET L ONG
REMOVE 2 BRACKETS
ON EACH END TO
REMOVE
WOODEN STRUTS
REMOVE 2 BRACKETS
ON EACH END TO
REMOVE
SHIPPING BRACE





    






  



T O PREVENT POSSIBLE EQUIPMENT DAMAGE , PROPERTY DAMAGE ,
PERSONAL INJURY OR DEATH , THE FOLLOWING BULLET POINTS MUST BE
OBSERVED WHEN INSTALLING THE UNIT .
WARNING

6
• 

• 

  



• 


   

NOTE:


A LL CURBS LOOK SIMILAR . T O AVOID INCORRECT CURB POSITIONING ,
CHECK JOB PLANS CAREFULLY AND VERIFY MARKINGS ON CURB
ASSEMBLY . I NSTRUCTIONS MAY VARY IN CURB STYLES AND SUPERCEDE
INFORMATION SHOWN .
CAUTION


CLEARANCES
75"
48"
48"
6" 36" MINIMUM
ROOF OVERHANG
UNIT CLEARANCES
  


  







NOTE: 15 & 20 ton models have 3 fans.
25 ton models have 2 fans.
INSULATED
PANELS
ROOF CURB INSTALLATION









I F PROTRUSIONS EXIST , DO NOT ATTEMPT TO SET UNIT ON CURB .
I
NFORMATION SHOWN .
CAUTION
ROOF TOP DUCT CONNECTIONS



7
RIGGING DETAILS
T O PREVENT PROPERTY DAMAGE , THE UNIT SHOULD REMAIN IN AN
UPRIGHT POSITION DURING ALL RIGGING AND MOVING OPERATIONS .
T
O FACILITATE LIFTING AND MOVING WHEN A CRANE IS USED , PLACE
THE UNIT IN AN ADEQUATE CABLE SLING .
WARNING
D O NOT LIFT UNITS TWO AT A TIME . P ROVISIONS FOR FORKS HAVE BEEN
INCLUDED IN THE UNIT BASE FRAME . M INIMUM FORK LENGTH IS 72” TO
PREVENT DAMAGE TO THE UNIT .
CAUTION


T O PREVENT POSSIBLE EQUIPMENT DAMAGE , PROPERTY DAMAGE ,
PERSONAL INJURY OR DEATH , THE FOLLOWING BULLET POINTS MUST BE
OBSERVED WHEN INSTALLING THE UNIT .
WARNING
 

 
 

    






   


Important:    


  





         
    
        
      
CAUTION
  

COMPRESSOR 1
COMPRESSOR 2
CG
EVAPORATORCOILS
A
B
C
XD
Y
CORNER & CENTER OF GRAVITY LOCATIONS

8
(lbs)
   
   
 565  
   
   
   
 65"  
   
A* and B* information
DATA
15 Tons
20 Tons
25 Tons

NOTE:
T O PREVENT SEVERE DAMAGE TO THE BOTTOM OF THE UNIT , DO NOT
FORK LIFT UNIT AFTER WOOD STRUTS HAVE BEEN REMOVED .
CAUTION


    




T O PREVENT DAMAGE TO THE UNIT , DO NOT ALLOW CRANE HOOKS AND
SPREADER BARS TO REST ON THE ROOF OF THE UNIT .
CAUTION

ELECTRICAL WIRING
HIGH VOLTAGE !
D ISCONNECT ALL POWER BEFORE SERVICING OR
INSTALLING THIS UNIT . M ULTIPLE POWER SOURCES MAY
BE PRESENT . F AILURE TO DO SO MAY CAUSE PROPERTY
DAMAGE , PERSONAL INJURY OR DEATH .
WARNING
HIGH VOLTAGE !
T O AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL
SHOCK ,
DO NOT TAMPER WITH FACTORY WIRING . T HE
INTERNAL POWER AND CONTROL WIRING OF THESE UNITS
ARE FACTORY - INSTALLED AND HAVE BEEN THOROUGHLY
TESTED PRIOR TO SHIPMENT . C ONTACT YOUR LOCAL
REPRESENTATIVE IF ASSISTANCE IS REQUIRED .
WARNING
T O PREVENT DAMAGE TO THE WIRING , PROTECT WIRING FROM SHARP
EDGES . F OLLOW NATIONAL ELECTRICAL CODE AND ALL LOCAL CODES
AND ORDINANCES . D O NOT ROUTE WIRES THROUGH REMOVABLE
ACCESS PANELS .
CAUTION
C ONDUIT AND FITTINGS MUST BE WEATHER - TIGHT TO PREVENT WATER
ENTRY INTO THE BUILDING .
CAUTION













NOTE:   







T O AVOID PROPERTY DAMAGE OR PERSONAL INJURY DUE TO FIRE , USE
ONLY COPPER CONDUCTORS .
CAUTION
T O PREVENT IMPROPER AND DANGEROUS OPERATION DUE TO WIRING
ERRORS , LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING
CONTROLS . V ERIFY PROPER OPERATION AFTER SERVICING .
CAUTION

9
NOTE:




 


 






 

Low Voltage
Terminal Strip
Thermostat wiring
for all units
connect to low
voltage strip
Ground
Lug
Line voltage connects
to power block on
Coolers, 230V Gas
Packs, and 2 Speed
Models.
Line voltage connects
to middle contactor
on 460v and 575v
Gas Packs
(or power block
if equipped)
Power Block -
(Coolers, 230V Gas
Packs, and 2 Speed
Models)
Field wiring enters
from this direction
POWER AND LOW VOLTAGE BLOCK LOCATIONS

ntrol 
ro
t
ntrol 

r
lin 
Gr

rsro


25 TONS MODEL POWER AND LOW VOLTAGE BLOCK LOCATIONS
NOTE:

F AILURE OF UNIT DUE TO OPERATION ON IMPROPER LINE VOLTAGE
OR WITH EXCESSIVE PHASE UNBALANCE CONSTITUTES PRODUCT
ABUSE AND IS NOT COVERED BY THE WARRANTY . I T MAY CAUSE
SEVERE DAMAGE TO THE UNIT ELECTRICAL COMPONENTS .
WARNING

   


NOTE:













10
ELECTRICAL ENTRANCE LOCATIONS



     
    


    
   
   
    

     





   




NOTE: 
  



NOTE:
GAS SUPPLY PIPING
T O PREVENT PERSONAL INJURY OR DEATH DUE TO IMPROPER
INSTALLATION , ADJUSTMENT , ALTERATION , SERVICE OR MAINTENANCE ,
REFER TO
THIS MANUAL . F OR ADDITIONAL ASSISTANCE OR
INFORMATION , CONSULT A QUALIFIED INSTALLER , SERVICE AGENCY OR
THE GAS SUPPLIER .
WARNING
IMPORTANT NOTE: 

T O PREVENT PROPERTY DAMAGE , PERSONAL INJURY OR DEATH WHEN
EITHER USING PROPANE GAS ALONE OR AT HIGHER ALTITUDES , OBTAIN
AND INSTALL THE PROPER CONVERSION KIT ( S ). F AILURE TO DO SO CAN
RESULT IN UNSATISFACTORY OPERATION AND / OR EQUIPMENT DAMAGE .
H
IGH ALTITUDE KITS ARE FOR U.S. I NSTALLATIONS ONLY AND ARE NOT
APPROVED FOR USE IN C ANADA .
WARNING







NATURAL 
PROPANE 
INLET GAS PRESSURE







IMPORTANT NOTE:   








