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Indoor Air Handling Units
IAH Series
MSCF-FC • MSCF-BI • LFC-FC • VFC-FC • VFCD-FC
July
2008
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Indoor Air
Handling Units
®
Greenheck’s Indoor Air Handling Series, models MSCF, LFC and VFC, provide air conditioning and/
or heating for buildings and specific spaces. The series was designed with low-profile construction to
fit within tight spaces in applications such as schools, office buildings, apartments, medical facilities
and many other commercial applications. Each model has a variety of sizes and a wide performance
range with quiet, trouble-free operation.
Modular Indoor Air Handler
Model MSCF-FC
Model MSCF-BI
Modular construction allows the
design engineer to configure a unit to
meet their exact requirements. The
modular construction also makes the
MSCF ideal for retrofit applications.
(See pages 5 thru 9 for more
information.)
READ AND SAVE THESE INSTRUCTIONS
®
Installation, Operation and Maintenance Manual
All units are shipped on a skid or packaged to minimize damage
during shipment. The transporting carrier has the responsibility
for delivering all items in their original condition as received from
Greenheck. The individual receiving the equipment is responsible
for inspecting the unit for obvious or hidden damage, recording
any damage on the bill of lading before acceptance and filing a
claim (if required) with the final carrier. Some accessory items
are stored inside the unit during shipping. Care must be taken
during installation to prevent damage to units.
Disconnect and secure all electrical power to the “OFF” position prior to inspection or servicing. Failure
to comply with this safety precaution could result in serious injury or death.
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury
or death. Read the installation, operating, and maintenance instructions thoroughly before installing or
servicing this equipment.
Table of Contents
**WARNING**
Unit Layout & Table of Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Lifting & Mounting Instructions
Model Dimensions, Weight & Filter Information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Hot Water & Steam Coil Information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Chilled Water & DX Coil Information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Airflow Start-up
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 7
Speed Controls
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Airflow Troubleshooting
Hot Water, Chilled Water & DX Coil Start-Up Instructions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Steam Coil Start-Up Instructions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Fan Maintenance Instructions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Coil Maintenance Instructions
Maintenance Documentation & Warranty
Horizontal Fan Coil
Model LFC-FC
A horizontal fan coil unit is ideal for
price sensitive applications. The LFC,
all-in-one construction, results in a
shorter unit which is ideal for space
constrained applications. (See pages
10 and 11 for more information.)
READ AND SAVE THESE INSTRUCTIONS
®
Installation, Operation and Maintenance Manual
MSCF - FC
Disconnect and secure all electrical power to the “OFF” position prior to inspection or servicing. Failure to
comply with this safety precaution could result in serious injury or death.
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or
death. Read the installation, operating, and maintenance instructions thoroughly before installing or
servicing this equipment.
All factory provided lifting lugs should be used when lifting any unit. Failure to comply with this safety
precaution could result in property damage, serious injury or death.
Report any damaged equipment to the shipper immediately!
All units are shipped on a skid or packaged to minimize damage during shipment. The transporting carrier has
the responsibility for delivering all items in their original condition as received from Greenheck. The individual
receiving the equipment is responsible for inspecting the unit for obvious or hidden damage, recording any
damage on the bill of lading before acceptance and filing a claim (if required) with the final carrier. Some
accessory items are stored inside the unit during shipping. Care must be taken during installation to prevent
damage to units.
Model VFCD
Vertical Fan Coil
Report any damaged equipment to the
shipper immediately!
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PN 468361
Vertical Fan Coil
Model VFC-FC
Model VFCD-FC
A vertical fan coil unit, all-inone construction, is ideal for
providing cooling and/or heating
for applications requiring a small
footprint. (See pages 12 thru 15 for
more information.)
Part #462888
MODEL MSCF
Modular Small Cabinet Fan
MSCF - BI
**WARNING**
**IMPORTANT**
Enjoy Greenheck’s extraordinary service, before, during and after the sale.
Greenheck offers added value to our wide selection of top performing, energy-efficient
products by providing several unique Greenheck service programs.
• Our Quick Delivery Program ensures shipment of our in-stock products within 24 hours of
placing your order. Our Quick Build made-to-order products can be produced in 1-3-5-10- or
15-day production cycles, depending upon their complexity.
• Greenheck’s free Computer Aided Product Selection program (CAPS), rated by many as the
best in the industry, helps you conveniently and efficiently select the right products for the
challenge at hand.
• Greenheck has been Green for a long time! Our energy-saving products and ongoing
corporate commitment to sustainability can help you qualify for LEED credits.
• Our 3D service allows you to download, at no charge, easy-to-use AutoDesk™ Revit™ 3D
drawings for many of our ventilation products.
Find out more about these special Greenheck services at greenheck.com
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Standard Features
and Benefits
®
Greenheck’s Indoor Air Handling products have been designed with superior quality and come standard with
premium features that make it ideal for any installation.
Low-Profile — Every model has been designed as a space saving alternative to other
products on the market. The height of each unit will be 4 to 8 inches less than any competitor
model.
Side Access Panels — Units are constructed with easily removable access panels. Panels are
formed and positioned on both sides of every module or unit to provide extra rigidity and help
maintain cabinet pressure.
One-Inch Double-Wall — Double-wall construction on all units provides excellent indoor air
quality as well as improved radiated sound characteristics over traditional single wall and
exposed insulation models.
Internal Isolation — Internal neoprene isolation and flexible blower to housing connection is
standard on every unit. This isolation improves longevity of the unit and reduces the potential
of noise and vibration generated from fan vibration that could be transmitted to the attaching
ductwork. Internal spring isolation is also available on all VFC sizes and on MSCF and LFC
sizes 20 thru 85.
Drain Pan — The double-wall constructed insulated stainless steel drain pan utilizes a double
pitch slope directing condensation to a main or auxiliary drain connection. The pan improves
indoor air quality by preventing the growth of mold and bacteria. The drain pan removes
easily for coil cleaning.
Model Number Code(s)
MSCF - 15 L - FC - 5
Model
Modular Small Cabinet Fan
Low-Profile Fan Coil
Nominal Face Area
15 - 1.5 sq. ft. 45 - 4.5 sq. ft.
20 - 2.0 sq. ft. 50 - 5.0 sq. ft.
25 - 2.5 sq. ft. 65 - 6.5 sq. ft.
30 - 3.0 sq. ft. 85 - 8.5 sq. ft.
Pressure Rating
L - Pressure up to 3.3 in. wg
H - Pressure up to 4.5 in. wg (MSCF only)
Motor HP
4 = 1/4 7 = 3/4 20 = 2
Wheel Type
FC - Forward Curved
BI - Backward Inclined (MSCF only)
3 = 1/3 10 = 1 30 = 3
5 = 1/2 15 = 1½
VFC - 600 L - FC - 15
Model
Vertical Fan Coil Direct Drive
Vertical Fan Coil
Nominal CFM
600 2000
800 2400
1300 3000
1600
Wheel Type
FC - Forward Curved
Pressure Rating
L - Pressure up to 3.3 in. wg
Motor HP
4 = 1/4 7 = 3/4 20 = 2
3 = 1/3 10 = 1 30 = 3
5 = 1/2 15 = 1½
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More Options
and Accessories
®
Heating and Cooling Coils — Heating and reheating selections include hot water, steam, or electric. Cooling
selections include chilled water or direct expansion. All cooling coils are supplied with a standard insulated doublewall stainless steel drain pan.
MSCF-FC/BI LFC VFC, VFCD
Coils
HW x x x x x x x x x
Steam x x x x x x
CW x x x x x x x x x
DX x x x x x x x x x
Maximum kW Available in Electrical Heat
Unit
Size
15 13 14 14 14 14
20 13 19 19 19 19
25 13 40 26.5 40 40
30 13 47.5 26.5 56 56
45 13 47.5 26.5 65 65
50 13 47.5 26.5 65 65
65 13 47.5 26.5 65 65
85 13 47.5 26.5 65 65
1
Row2 Row4 Row6 Row8 Row1 Row2 Row4 Row6 Row8 Row1 Row2 Row4 Row6 Row8 Row
Model MSCF-FC/BI
1 Stage 2 Stage
1 Phase 3 Phase 1 Phase 3 Phase
SCR
Mixing Box — The mixing box
module can be configured using
any of the three inlet connections
(top, bottom and inline or
inline, right and left) and three
damper styles (“V” blades, low
leakage, and airfoil low leakage).
MSCF-FC/BI, LFC-FC
The mixing box can also be
configured with a filter to reduce overall unit length.
Disconnect Switch — An optional NEMA-1
disconnect switch is available. The J-box is
mounted and wired at the factory. The switch
is installed in the field.
Filters — Vertical or sloped filters are available
depending on model. Filter efficiency selections include:
30% MERV 8, 65% MERV 11, 95% MERV 15.
MSCF-FC/BI LFC, VFC, VFCD
Control Center — This control center
is equipped with a 24-volt starter,
transformer, and terminal strip all
mounted in a NEMA-1 enclosure.
Standard features include an
interlocking door disconnect switch
and an adjustable electronic thermal
overload. This reliable control center
reduces installation time, ensures
safety and decreases demand on
panel space. The control center is
UL Listed for Safety for Industrial Control
Panels, UL 508A.
Dimensions are 14 x 8.5 x 6.5 inches
(355.6 x 215.9 x 165.1 mm) (L x W x H)
Fan Types —
• Forward-Curved — Double-width, double-inlet
forward-curved blowers are designed to efficiently
move high volumes of air with low sound levels.
Available on all models and sizes.
• Backward-Inclined — A backward-inclined plenum
fan is available on the MSCF. Backward-inclined
fans are ideal for high-pressure applications across
the entire CFM range. Available on MSCF sizes 25
thru 85.
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Modular Small
Cabinet Fan - MSCF
®
Mixing Box
Filter
Plenum
Heating
Standard Construction
Model MSCF-FC (Modular Small Cabinet Fan,
Forward Curved) and Model MSCF-BI (Modular
Small Cabinet Fan, Backward-Inclined) are lowprofile, modular constructed small cabinet fans,
essentially small air handling units.
• Performance range 300 - 4,700 cfm at 4.5 in. wg
• 1-inch double-wall construction
• Low profile
• Internal isolation (neoprene or spring)
• Internal flex connection
• Side access panels (standard on
all modules)
• Stainless steel drain pan (insulated
double-wall)
Cooling
Fan
Available Modules
• Pre and/or post filters (vertical and sloped)
• Mixing box
• Mixing box with filter
• Pre and/or post access plenums
(12 or 24 inch lengths)
• Heating coils (hot water, steam or electric)
• Cooling coils (chilled water or direct expansion)
• Re-heating coils (hot water or steam)
• Vertical inlet filter
• Inlet damper
Dimensional Data
G
A
Unit
Size
15 11 24 12¾ 24 12¾ 24 12¾ 15½ 24 25 11 38 9 36 4 6¾
20 14 24 12¾ 24 12¾ 24 12¾ 15½ 24 25 14 38 12 36 6½ 6¾
25 16 27 12¾ 24 12¾ 27 12¾ 15½ 24 29 16 38 14 36 8 8
30 18 31 12¾ 24 12¾ 31 12¾ 15½ 24 32 18 38 16½ 36 9 9
45 18 32 12¾ 24 12¾ 32 12¾ 15½ 24 32 18 50 16½ 48 9 10
50 21 32 12¾ 24 12¾ 32 12¾ 15½ 24 38 21 50 19 48 10 10¼
65 26 38 12¾ 24 12¾ 38 12¾ 15½ 24 42 26 50 24 48 12 12¾
85 26 38 12¾ 24 12¾ 38 12¾ 15½ 24 42 26 62 24 60 12 15
All dimensions are in inches. For complete dimensional information, see CAPS submittal drawings.
Also available as the first module only, is a vertical inlet filter that will add 2 or 4 inches in length to the unit.
A B C D
No
With
Filter
Filter
12 in. 24 in.
B
Per/Post
Vertical
C
Pre/Post
Sloped
Hot Water
1 & 2 Row
D
4 Row HW
and Steam
E
E F G
F
Unit
Width
Inlet Outlet
Height Width Height Width
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MSCF
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Performance
MSCF-L-FC
MSCF-20L-FC MSCF-25L-FC
®
MSCF-15L-FC
MSCF-30L-FC MSCF-45L-FC
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Performance
®
MSCF-50L-FC
MSCF-65L-FC
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MSCF-H-FC
MSCF-25H-FC
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MSCF-85L-FC MSCF-30H-FC
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MSCF
Performance
®
MSCF-45H-FC
MSCF-50H-FC
MSCF-65H-FC MSCF-85H-FC
MSCF-BI
8
MSCF-25-BI
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MSCF
Performance
®
MSCF-45-BIMSCF-30-BI
MSCF-50-BI
MSCF-85-BI
MSCF-65-BI
What's This…
Each MSCF modular section maintains
its own access panel providing excellent
accessibility to all components. All panels
have formed edges, which provide additional
rigidity and enables the MSCF to maintain
cabinet pressure.
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Low-Profile
Fan Coil - LFC
Standard Construction
Model LFC (Low-Profile Fan Coil) is a low-profile unit available in eight sizes.
Specially designed for a low cost method of air conditioning and/or heating
featuring a forward-curved wheel and an option of up to 8 rows of heating
and cooling coils.
• Performance range 300 4,700 cfm at 3.5 in. wg
• 1-inch double-wall
construction
• Low-profile
• Internal isolation (neoprene
or spring)
®
• Internal flex connection
• Side access panels
(standard on all models)
• Pre-filter (vertical)
• Heating coils (hot water or
steam)
• Cooling coils (chilled water
or direct expansion)
• Stainless steel drain pan
(insulated double wall)
• Mixing box with filter
B
Unit
Width
A
Inlet Outlet
Dimensional Data
Unit
Size
No Filter With 2 in. Filter With 4 in. Filter With Mixing Box Height Width Height Width
15 40 42 44 22½ 8 11 38 9 36 4 6¾
20 40 42 44 22½ 11 14 38 12 36 6½ 6¾
25 40 42 44 25 13 16 38 14 36 8 8
30 45 47 49 29 15½ 18 38 16½ 36 9 9
45 45 47 49 31 14 18 50 16½ 48 9 10
50 48 50 52 31 16¾ 21 50 19 48 10 10¼
65 52 54 56 37 21¾ 26 50 24 48 12 12¾
85 52 54 56 37 21¾ 26 62 24 60 12 15
All dimensions are in inches. For complete dimensional information, see CAPS submittal drawings.
A
B C
C
Performance
LFC-15L-FC LFC-20L-FC
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LFC
Performance
®
LFC-30L-FCLFC-25L-FC
LFC-50L-FCLFC-45L-FC
LFC-65L-FC LFC-85L-FC
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Belt Drive
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Vertical Fan Coil - VFC
®
Standard Construction
Model VFC (Vertical Fan Coil) is a vertical, low cost, forward-curved fan coil unit available in seven sizes. Up to
8 rows of heating and cooling coils for sizes 600-800 and up to 10 rows for sizes 1300-3000 are available.
• Performance range 300 4,000cfm at 3.5 in. wg
• 1-inch double-wall construction
• Internal isolation (neoprene or
spring)
• Internal flex connection
• Side access panels (standard on
all models)
• Hinged access to blower
Dimensional Data
Unit
Size
600 40 24 24 18 22 6¾ 4
800 40 24 24 18 22 6¾ 6½
1300 44 24 28 18 22 8 8
1600 44 30 28 22 22 9 9
2000 52 34 28 29 23 10 9
2400 52 34 28 29 23 10¼ 10
3000 52 50 32 45 22 12¾ 12
All dimensions are in inches. For complete dimensional information, see CAPS submittal drawings.
A B C
Inlet Outlet
D E F G
• Pre-filter (vertical)
• Heating coils (hot water or
steam)
• Cooling coils (chilled water or
direct expansion)
• Stainless steel drain pan
(insulated double wall)
Outlet
Vetrtical Air Flow
Option
G
F
G
Outlet
Horizontal Opposed
Air Flow Option
Inlet
Air Flow
F
Projection
2 or 4 in.
D
B
Filter
E
A
C
Performance
VFC-600L-FC VFC-800L-FC
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VFC
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Performance
®
VFC-1600L-FCVFC-1300L-FC
VFC-2000L-FC
VFC-3000L-FC
VFC-2400L-FC
What's This…
Belt drive fans offer the ability to adjust
fan speed for system balancing if
necessary. They also offer more flexibility
in speed and motor selections than direct
drive fans.
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Direct Drive
Vertical Fan Coil - VFCD
®
Standard Construction
Model VFCD (Vertical Fan Coil - Direct Drive) is a vertical, low cost, forward-curved fan coil unit available in
seven sizes. Up to 8 rows of heating and cooling coils for sizes 600-800 and up to 10 rows for sizes 1300-3000
are available. The motor and scroll assembly can be slid out and easily removed for accessibility.
• Performance range 300 4,000cfm at 2.0 in. wg
• 1-inch double-wall construction
• Side access panels (standard on
all models)
• Pre-filter (vertical)
• Hinged access to blower
Dimensional Data
Unit
Size
600 40 24 24 18 22 5½ 5½
800 40 24 24 18 22 5½ 7¼
1300 44 24 28 18 22 5
1600 44 30 28 22 22 5
2000 52 34 28 29 23 5
2400 52 34 28 29 23 5
3000 52 50 32 45 22 10
All dimensions are in inches. For complete dimensional information, see CAPS submittal drawings.
A B C
Inlet Outlet
D E F G
5
/
8
5
/
8
5
/
8
5
/
8
3
/
8
327/
18
18
26
26
8
Performance
• Heating coils (hot water or
steam)
• Cooling coils (chilled water or
direct expansion)
• Dual pitched stainless steel
drain pan (insulated double wall)
Outlet
Vetrtical Air Flow
Option
Inlet
Air Flow
Projection
2 or 4 in.
D
B
G
Filter
E
F
C
A
14
VFCD-600L-FC VFCD-800L-FC
Page 15
VFCD
Performance
®
VFCD-1600L-FCVFCD-1300L-FC
VFCD-2000L-FC
VFCD-3000L-FC
VFCD-2400L-FC
What's This…
An optional 10 Amp solid state speed control
is available on VFCD sizes 600-FC thru 2400-
FC. Model 10WSSC speed control will ship
with the unit, mounted
in the factory mounted
J-Box.
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Product Characteristic Comparison
Model MSCF LFC VFC/VFCD
Drive
Belt Belt Belt, Direct
®
Fan Type
Typical Application
Cabinet Design
Cabinet Material
Normal SP Range
Filters
Insulation Density
Construction
Ducted/Unducted
Nominal cfm Range
Heating/Cooling
Mounting Brackets
Disconnect Switch
Pre/Post Plenums
Mixing Box
FC, BI FC FC
Space Constrained Space Constrained Small Footprint
Horizontal Horizontal Vertical
Galvanized
18 ga
0 - 4.5 in. wg 0 - 3.5 in. wg 0 - 3.3 in. wg
30%, 65%, 95% 30%, 65% 30%, 65%
1.5 lb., 3 lb. 1.5 lb., 3 lb. 1.5 lb., 3 lb.
Double Wall Double Wall Double Wall
Ducted Ducted Ducted
800 - 4,700 800 - 4,700 600 - 4,000
Either, Both Either, Both Either, Both
Hanging, Base Hanging, Base 6 in. Extended Base
NEMA-1
Control Center
12, 24 inch N/A N/A
Yes Yes No
Galvanized
18 ga
NEMA-1
Control Center
Galvanized
18 ga
NEMA-1
Control Center
Building Value in Air
Greenheck delivers value
to mechanical engineers by
helping them solve virtually
any air quality challenges
their clients face with a
comprehensive selection of
top quality, innovative air-
related equipment. We offer
extra value to contractors
by providing easy-to-install,
competitively priced, reliable
products that arrive on time.
And building owners and
occupants value the energy
efficiency, low maintenance
and quiet dependable operation
they experience long after the
construction project ends.
Our Warranty
Greenheck warrants this equipment to be free from defects in material and workmanship for a period
of one year from the shipment date. Any units or parts which prove defective during the warranty
period will be replaced at our option when returned to our factory, transportation prepaid. Motors are
warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck
prove defective during this period, they should be returned to the nearest authorized motor service
station. Greenheck will not be responsible for any removal or installation costs.
As a result of our commitment to continuous improvement, Greenheck reserves the right to change
specifications without notice.
Prepared to Support
Green Building Efforts
P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • greenheck.com
Copyright © 2008 Greenheck Fan Corp.
00.TAP.1034 R3 7-2008 SN
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