5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikinac.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
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 shown below.
ANSI Z21.47•CSA-2.3 Central Furnaces
DBG
SERIES
LIGHT COMMERCIAL
PACKAGED GAS UNIT
15
to
25 T
oN
Our continuing commitment to quality products may mean a change in specifications without notice.
IOD-1041
07/2019
Index
Replacement Parts ................................................................2
Safety Instructions
.................................................................2
General Information
..............................................................3
Unit Location
.........................................................................4
Clearances .............................................................................6
Roof Curb Post-Installation Checks
.........................................6
Roof Top Duct Connections
....................................................6
Rigging Details .......................................................................6
Electrical Wiring ....................................................................8
Gas Supply Piping ................................................................10
Propane Gas Installations
....................................................12
Circulating Air and Filters
.....................................................13
Venting
................................................................................13
NOTE:
15 & 20 ton model shown in picture.
25 ton model has 2 fans.
O
NLY
PERSONNEL
THAT
HAVE
BEEN
TRAINED
TO
INSTALL
,
ADJUST
,
SERVICE
OR
REPAIR
(
HEREINAFTER
, “
SERVICE
”)
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
SHOULD
SERVICE
THE
EQUIPMENT
. T
HE
MANUFACTURER
WILL
NOT
BE
RESPONSIBLE
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
ARISING
FROM
IMPROPER
SERVICE
OR
SERVICE
PROCEDURES
. I
F
YOU
SERVICE
THIS
UNIT
,
YOU
ASSUME
RESPONSIBILITY
FOR
ANY
INJURY
OR
PROPERTY
DAMAGE
WHICH
MAY
RESULT
. I
N
ADDITION
,
IN
JURISDICTIONS
THAT
REQUIRE
ONE
OR
MORE
LICENSES
TO
SERVICE
THE
EQUIPMENT
SPECIFIED
IN
THIS
MANUAL
,
ONLY
LICENSED
PERSONNEL
SHOULD
SERVICE
THE
EQUIPMENT
. I
MPROPER
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
-
www.P
65
Wa
rnin
gs.ca.gov
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
0140M00517-A
WARNING
