ATTENTION INSTALLING PERSONNEL:
Prior to installation, thoroughly familiarize yourself with
this Installation Manual. Observe all safety warnings. Dur-
ing 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 acces-
sories.
*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 Stan-
dard of Canada Shown Below.
ANSI Z21.47•CSA-2.3 Central Furnaces
INSTALLATION INSTRUCTIONS
DCG SERIES
LIGHT COMMERCIAL PACKAGED GAS UNIT
3 to 6 TON
© 2013 - 2016
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikincomfort.com
Our continuing commitment to quality products may mean a change in specifications without notice.
IOD-1004E
8/2016
Index
REPLACEMENT PARTS........................................................................... 2
SAFETY INSTRUCTIONS ......................................................................... 2
GENERAL INFORMATION ...................................................................... 3
UNIT LOCATION .................................................................................... 4
CLEARANCES ......................................................................................... 5
ROOF CURB POST-INSTALLATION CHECKS ............................................ 6
ROOF TOP DUCT CONNECTIONS .......................................................... 6
RIGGING DETAILS .................................................................................. 6
ELECTRICAL WIRING ............................................................................. 7
GAS SUPPLY PIPING .............................................................................. 9
PROPANE GAS INSTALLATIONS ........................................................... 10
CIRCULATING AIR AND FILTERS........................................................... 11
VENTING ............................................................................................. 12
CONDENSATE DRAIN CONNECTION ................................................... 12
STARTUP, ADJUSTMENTS, AND CHECKS ............................................. 12
AIR FLOW ADJUSTMENTS ................................................................... 13
MOTOR SHEAVE ADJUSTMENTS ......................................................... 14
GAS SYSTEM CHECK............................................................................ 15
NORMAL SEQUENCE OF OPERATION ................................................. 17
MAINTENANCE ................................................................................... 20
TROUBLESHOOTING ........................................................................... 21
APPENDIX A BLOWER PERFORMANCE TABLES .................................. 23
DIRECT DRIVE................................................................................. 23
DCG036 DOWN SHOT AND HORIZONTAL ................................. 23
DCG048 DOWN SHOT AND HORIZONTAL ................................. 24
DCG060 DOWN SHOT ............................................................... 25
DCG060 HORIZONTAL ............................................................... 26
BELT DRIVE ..................................................................................... 27
HIGH STATIC DOWN SHOT ........................................................ 28
STANDARD HORIZONTAL........................................................... 29
HIGH STATIC HORIZONTAL ........................................................ 30
APPENDIX B ELECTRICAL DATA ........................................................... 31
APPENDIX C UNIT DIMENSIONS ......................................................... 32
APPENDIX D WIRING DIAGRAMS ....................................................... 33
START-UP CHECKLIST........................................................................... 57
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