Upright Installations; Eturn Air Duct Work - Goodman *MVM96 Installation Instructions Manual

With a parallel flow arrangement, the dampers or other means
used to control the flow of air must be adequate to prevent chilled
air from entering the furnace and, if manually operated, must be
equipped with means to prevent operation of either unit unless the
damper is in the full heat or cool position.
When the furnace is installed without a cooling coil, it is recom-
mended that a removable access panel be provided in the supply
air plenum. This opening shall be accessible when the furnace is
installed and shall be of such a size that the heat exchanger can
be viewed for visual light inspection or such that a sampling probe
can be inserted into the airstream. The access panel must be
sealed to prevent air leaks when the furnace is in operation.
When the furnace is heating, the temperature of the return air
entering the furnace must be between 55°F and 100°F.
F - R T S
ILTERS EAD HIS ECTION
A D
IR UCT WORK
Filters must be used with this furnace. Discuss filter maintenance
with the building owner. Filters do not ship with this furnace, but
must be provided, sized and installed externally by the installer.
Filters must comply with UL900 or CAN/ULCS111 standards. If
the furnace is installed without filters, the warranty will be voided.
On upflow units, guide dimples locate the side return cutout loca-
tions. Use a straight edge to scribe lines connecting the dimples.
Cut out the opening on these lines. NOTE: An undersized open-
ing will cause reduced airflow.
Refer to Minimum Filter Area tables to determine filter area require-
ments.
COOLING AIRFLOW REQUIREM ENT (CFM)
600 800
0603__XA --- ---
0805__XA --- ---
1005__XA
--- ---
1155__XA
COOLING AIRFLOW REQUIREM ENT (CFM)
600 800
0604__XA --- ---
0805__XA
--- ---
1005__XA
*Minimum filter area dictated by heating airflow requirement.
Permanent Minimum Filter Area (sq. in)
[Based on a 600 ft/min filter face velocity]
B I T R
EFORE NSTALLING HE
UPFLOW
1000 1200 1400 1600
627* 627* 672 768
--- 836* 836* 836*
--- 940* 940* 940*
COUNTERFLOW
1000 1200 1400 1600
320* 320* 336 384
--- 427* 427* 427*
0603__XA
0805__XA
1005__XA
1155__XA
0604__XA
0805__XA
1005__XA
*Minimum filter area dictated by heating airflow requirement.
ETURN
Disposable Minimum Filter area (sq. in)
[Based on 300 ft/min filter face velocity]
U I
PRIGHT NSTALLATIONS
Depending on the installation and/or customer preference, differ-
ing filter arrangements can be applied. Filters can be installed in
the central return register or a side panel external filter rack kit
(upflows). As an alternative a media air filter or electronic air cleaner
can be used as the requested filter.
The following figure shows possible filter locations.
CENTRAL
RETURN
GRILLE
SIDE RETURN
EXTERNAL FILTER
2000
(EITHER SIDE)
---
960
960
2000
---
480
36
UPFLOW
COOLING AIRFLOW REQUIREMENT (CFM)
600 800 1000 1200
--- --- 564* 564*
--- --- --- 752*
--- --- --- 940*
COUNTERFLOW
COOLING AIRFLOW REQUIREMENT (CFM)
600 800 1000 1200
--- --- 641* 641*
--- --- --- 854*
AIR FLOW
RACK KIT
Possible Upright Upflow
1400 1600 2000
672 768
752* 768 960
940* 940* 960
1400 1600 2000
672 768 ---
854* 854* 960