GCVM96 & GMVM96 Installation Instructions

6
IMPORTANT NOTE TO THE OWNER REGARDING PRODUCT WAR-
RANTY
Your warranty certificate is supplied as a separate document
with the unit installed by your contractor. Read the limited
warranty certificate carefully to determine what is and is not
covered and keep the warranty certificate in a safe place. If
you are unable to locate the warranty certificate please con-
tact your installing contractor or contact customer service (877-
254-4729) to obtain a copy.
To receive the Lifetime Heat Exchanger Limited Warranty (good
for as long as you own your home) and the 10-year Parts
Limited Warranty, online registration must be completed within
60 days of installation. Online registration is not required in
California or Quebec. Complete warranty details are available
from your local dealer or, for Goodman
®
brand products, visit
www.goodmanmfg.com, and for Amana
®
brand products, visit
www.amana-hac.com.
To register your Goodman
®
brand unit, go to
www.goodmanmfg.com and click “Warranty Registration”. Com-
plete the registration as prompted.
To register your Amana
®
brand unit, go to www.amana-hac.com
and click on “Warranty Registration”. Complete the registra-
tion as prompted.
Product limited warranty certificates for models currently in pro-
duction can be viewed at www.goodmanmfg or www.amana-
hac.com. If your model is not currently in production or does not
appear on the website, please contact your installing contractor or
contact customer service at (877-254-4729) to obtain a copy of
your warranty certificate.
Each product overview page contains a Product Warranty link; by
clicking on it you will be able to view the limited warranty coverage
for that specific product. To view warranty registration information,
click on the Product Warranty text on the left navigation panel on
the home page of each website. The Online Product Registration
pages are located in this same section.
T O  PREVEN T  PROPERTY  DAMAGE , PERSONAL  INJU R Y  OR  DEATH  DUE  TO 
FIRE , DO  NOT  INSTALL  THIS  FURNACE  IN  A  MOBILE  HOME , TRAILER , OR 
RECREATIONA L  VEHICLE .
WARNING
P RODUCT D ESCRIPTION
FEATURES
This furnace is a part of the ComfortNet™ family of products. The
CTK0* thermostat kit allows this furnace to be installed as part of
a digitally communicating system. The ComfortNet system pro-
vides automatic airflow configuration, enhanced setup features,
and enhanced diagnostics. It also reduces the number of thermo-
stat wires to a maximum of four. It may be also installed as part of
a non-communicating system using a standard 24 VAC thermo-
stat.
This product may be installed with the ComfortNet thermostat and
a non-ComfortNet compatible single stage air conditioning unit.
However, this reduces the benefits of the ComfortNet system as
the enhancements will only apply to the furnace.
The modulating furnace operation is based off of negative pres-
sure created by the draft inducer. The furnace control board
receives commands from the room thermostat. The furnace
control board then controls the RPM of the (3 phase) inducer
by varying the frequency and voltage to the inducer. This is
known as variable frequency drive (VFD). The inducer, pres-
sure switches, and gas valve are linked by pneumatic tubing.
The gas valve modulates based on this negative pressure.
BLOWER COMPARTMENT BURNER COMPARTMENT
1
2
3
4
5
6
7
8
7
9
10
11
3
12
13
14
15
16
18
19
20
23
25
26
27
28
21
20
19
18
31
17
*
*
*
*
*
*
*
*
*
33
UPFLOW/HORIZONTAL
BLOWER COMPARTMENT
1
9
7
8
7
4
6
12
13
21
20
19
18
31
3
24
23
25
32
5
26
27
10
28
3
15
14
16
18
19
20
2
11
17
30
29
33
COUNTERFLOW/HORIZONTAL