Hussmann FWG Instruction Manual

Item Part # Description Wiring Item #
FAN ASSEMBLIES, AND THERMOSTATS
A. 4W Standard Fan Assembly (1)
0392457 Fan Motor, Evaporator
(MO.4410101)
0464847 Fan Blade (FB.4780649)
4W Energy Efficient Fan Assembly (1)
0477653 Fan Motor, Evaporator
(MO.4410544)
0464847 Fan Blade (FB.4780649)
B. Optional Adjustable Refrigeration Thermostat (2)
C. 0398557 Defrost Termination Thermostat (3)
(Front/Electric Defrost only)
(CT.4440611)
D. 0398558 Defrost Termination Thermostat (3)
(Rear/Electric Defrost only)
(CT.4481088)
E. 0481370 Heater Switch (4)
(Koolgas Defrost only)
(CT.4440738)
HEATERS
F. 208V Evaporator Defrost Heaters (5)
0481864 4 ft case (HE.4850637)
0444057 6 ft case (HE.4850620)
0462159 8 ft case (HE.4850603)
0444058 12 ft case (HE.4850571)
Item Part # Description Wiring Item #
HEATERS (CONTINUED)
G. 208V Drip Pan Defrost Heaters, Electric (6)
0481865 4 ft case (HE.4850638)
0444300 6 ft case (HE.4850609)
0462160 8 ft case (HE.4850636)
0444296 12 ft case (HE.4850572)
120V Drip Pan Defrost Heaters, Koolgas (7)
0488967 4 ft case (HE.4850641)
0465906 6 ft case (HE.4850628)
0465907 8 ft case (HE.4850622)
0465908 12 ft case (HE.4850623)
H. Nosing Anti-sweat Heaters (8)
0495009 4 ft case (HE.4850687)
0495006 6 ft case (HE.4850684)
0495007 8 ft case (HE.4850685)
0495008 12 ft case (HE.4850686)
I. Return Grille Anti-sweat Heaters (9)
0495013 4 ft case (HE.4850691)
0495010 6 ft case (HE.4850688 )
0495011 8 ft case (HE.4850689)
0495012 12 ft case (HE.4850690)
J. Return Glass Anti-sweat Heaters (10)
0481867 4 ft case (GL.4978594)
0474775 6 ft case (GL.4977903)
0474778 8 ft case (GL.4987838)
0474779 12 ft case (GL.4987839)
B
D
G
E
F
C
A
H
I
J
E
P/N 0465901_E
FWG
Technical Data Sheet
P/N 0465901_E
NSF®Certified
March 2008
We reserve the right to change or revise specifications
and product design in connection with any feature of
our products. Such changes do not entitle the buyer to
corresponding changes, improvements, additions or
replacements for equipment previously sold or shipped.
©2008 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
U.S. & CANADA 1-800-922-1919 • MEXICO 1-800-522-1900 • WWW.HUSSMANN.COM
Note: Revision E updates the Heater Switch part number and adds the Rear Defrost Termination Thermostat on Page 1;
adds capacity and weight (Page 5).

2 of 7 FWG Technical Data Sheet
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
10 1/4
(261)
4 3/4 (120)
15 3/4
(400)
FRONT
C
Splashguard
12 1/8(307)
ABD
Splashguard
8 1/2 (217)
Waste Outlet
29 1/2
(750)
Refrigeration
Outlet
Waste
Outlet
Waste
Outlet
80 5/8
(2046)
72
(1829)
64 1/2
(1638)
70 1/4
(1784)
59 3/4
(1515)
Electrical
Field
Connection
26 1/2 (673)
Wireway
Electrical
Stub Up Area
6 x 6
(152 x 152)
8 (203)
41 1/2
(1054)
43 7/8
(1114)
41 1/2
(1054)
4 1/4 (108)
4 1/2 (115)
Waste Outlet 20 3/4
(529)
Engineering
Plan Views
Dimensions shown as inches & (mm).
10-2004
Low / Medium Temperature
Wide Island
4 ft 6 ft 8 ft 12 ft
General
(A) Case Length (without ends or partitions) 48 1/4(1226) 73 3/4(1874) 96 3/8(2448) 144 1/2(3670)
(Each end and insulated partition adds 2 in. (51 mm) to case line up.)
Maximum O/S dimension of case back to front (includes bumper)
80 5/8 (2046) 80 5/8 (2046) 80 5/8 (2046) 80 5/8 (2046)
Back of case to front of splashguard 72 (1829) 72 (1829) 72 (1829) 72 (1829)
Back of case to O/S edge of front leg 59 3/4 (1515) 59 3/4 (1515) 59 3/4 (1515) 59 3/4 (1515)
Distance between edges of external legs and center legs NA 30 1/4(768) 41 1/2 (1054) 41 1/2 (1054)
Distance between edges of center legs NA NA NA 43 7/8 (1114)
Distance between front legs and splashguard 12 3/8 (312) 12 3/8 (312) 12 3/8 (312) 12 3/8 (312)
Electrical Service (Electrical Field Wiring connection point)
(B) RH End of case to center of stub up area 36 1/8 (918) 61 5/8(1565) 84 1/4 (2140) 132 3/8 (3363)
Back of case to center of stub up area 64 1/2 (1638) 64 1/2 (1638) 64 1/2 (1638) 64 1/2 (1638)
Length of electrical wireway 26 1/2 (673) 26 1/2 (673) 26 1/2 (673) 26 1/2 (673)
(C) RH End of case to LH end of wireway 40 1/2(1029) 67 1/2 (1715) 90 1/8 (2289) 138 1/4 (3511)
Waste Outlets (One each end)
(D) RH End of case to the center of LH waste outlet 36 1/8 (918) 61 5/8(1565) 84 1/4 (2140) 132 3/8 (3363)
RH End of case to the center of RH waste outlet 12 1/8 (307) 12 1/8 (307) 12 1/8 (307) 12 1/8 (307)
Back O/S of case to center of waste outlets 70 1/4 (1784) 70 1/4 (1784) 70 1/4 (1784) 70 1/4 (1784)
Schedule 40 PVC drip pipe 1 1/4 (32) 1 1/4 (32) 1 1/4 (32) 1 1/4 (32)
Refrigeration Outlet
Back of case to center of front refrigeration outlet 64 7/8 (1646) 64 7/8 (1646) 64 7/8 (1646) 64 7/8 (1646)
Back of case to center of rear refrigeration outlet 15 3/4 (400) 15 3/4 (400) 15 3/4 (400) 15 3/4 (400)
RH end of case to center of refrigeration outlet 8 (203) 8 (203) 8 (203) 8 (203)
PHYSICAL DATA
Merchandiser Drip Pipe (in.) 1 1/4
Merchandiser Liquid Line (in.) 3/8
Merchandiser Suction Line (in.) 5/8
(12 Ft shown)

REFRIGERATION DATA
Note: This data is based on store temperature and
humidity that does not exceed 75°F and 55% R.H.
MED FF IC
Discharge Air (°F) +24 –12 –22
Evaporator(°F) +19 –20 –30
Unit Sizing (°F) +17 –23 –33
Btu/hr/ft MED FF IC
Parallel 440 625 670
Conventional 460 650 700
DEFROST DATA
MED FF IC
Frequency (hr) 24 24 24
Defrost Water (lb/ft/day) 2.2 2.1 1.8
(± 15% based on case configuration and product
loading).
ELECTRIC MED FF IC
Temp Term (°F) 48 48 48
Failsafe (minutes) 60 60 60
GAS
Duration (minutes) NA 15 18
OFFTIME Not Recommended
Standard Defrost Thermostat
Close on rise: close 48°F — open 33°F
CONVENTIONAL CONTROLS
Low Pressure Backup Control — CI/CO *
MED +22°F / +10°F
FF –17°F / –29°F
IC –27°F / –39°F
Indoor Unit Only, Pressure Defrost Termination*
Not Recommended
*Use a Temperature Pressure Chart to determine PSIG
conversions.
Estimated Charge (lb)**
4 ft 1.7
6 ft 2.1
8 ft 2.5
12 ft 3.7
**This is an average for all refrigerant types. Actual
refrigerant charge may vary by approximately half a
pound.
Length Added to Lineup by Each
End or Partition (in.) 2
3 of 7P/N 0465901_E
FAN COIL
35 7/8
(910)
33 (838)
5 1/2
(140)
3 1/8
(79)
COIL FAN
Refrigeration
Outlet
59 3/4(1517)
11 3/4(299) 68 7/8(1747)
80 5/8(2046)
3 1/4(82) 1 1/2(37)
4(101)
FWG
15 7/8
(404)
24 3/8
(618)
9 7/8
(251)
Case-to-Case Connection
Impact Excel FWG
Low / Medium Temperature
Wide Island Display with Glass Walls
Dimensions shown as inches & (mm).
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
NSF Certification
This merchandiser model is manufactured to meet ANSI/NSF
(National Sanitation Foundation) Standard #7 requirements for
construction, materials & cleanability.

FWG Technical Data Sheet
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
4 of 7
Impact Excel FWG
Low / Medium Temperature
Electrical Data
4 ft 6 ft 8 ft 12 ft
Number of Fans – 4W Evaporator 2 2 4 4
Amperes Watts
4 ft 6 ft 8 ft 12 ft 4 ft 8 ft 12 ft
Evaporator Fans
120V 60Hz Standard 0.62 0.62 1.24 1.24 48 48 96 96
120V 50Hz Standard 0.76 0.76 1.52 1.52 54 54 108 108
230V 60Hz Export 0.30 0.30 0.60 0.60 48 48 96 96
230V 50Hz Export 0.36 0.36 0.72 0.72 54 54 108 108
120V 60Hz Energy Efficient 0.24 0.24 0.48 0.48 16 16 32 32
230V 60Hz Energy Efficient 0.12 0.12 0.24 0.24 16 16 32 32
Anti-sweat Heaters (on fan circuit)
120V 50/60Hz Standard 0.87 1.30 1.74 2.60 104 156 208 312
230V 50/60Hz Export 0.45 0.68 0.90 1.36 104 156 208 312
Minimum Circuit Ampacity
120V 60Hz Standard 1.69 2.12 3.18 4.04
120V 50Hz Standard 1.83 2.26 3.46 4.32
230V 60Hz Export 0.95 1.18 1.70 2.16
230V 50Hz Export 1.01 1.24 1.82 2.28
120V 60Hz Energy Efficient 1.31 1.74 2.42 3.28
230V 60Hz Energy Efficient 0.77 1.00 1.34 1.80
Maximum Over Current Protection 120V 20 20 20 20
Maximum Over Current Protection 230V 15 15 15 15
Return Glass Anti-sweat Heaters
120V 50/60Hz Standard 0.08 0.13 0.16 0.22 10 15 18 26
230V 50/60Hz Export 0.04 0.07 0.08 0.12 10 15 18 26
208V Electric Defrost 8.75 13.07 15.38 23.07 1820 2720 3200 4800
230V Export Electric Defrost 7.91 11.83 13.91 20.87 1820 2720 3200 4800
120V Koolgas Defrost 2.50 2.67 3.33 6.66 300 320 400 800
Standard Lighting
None

5 of 7P/N 0465901_E HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
Impact Excel FWG
Low / Medium Temperature
ESTIMATED SHIPPING WEIGHT 5
Case Solid End
4 ft 6 ft 8 ft 12 ft (each)
lb (kg) 1000 (454) 1200 (544) 1400 (635) 1600 (726) 75 (34)
5Actual weights will vary according to optional kits included.
Product Data
ARI Refrigerated Volume 1 (Cu Ft/Ft) 3.50 ft3/ft (0.33 m3/m)
Recommended Usable Cube 2 (Cu Ft/Ft) 7.30 ft3 /ft (0.68 m3 /m)
ARI Total Display Area 3 (Sq Ft/Ft) 2.75 ft2/ft (0.84 m2 /m)
Shelf Area 4(Sq Ft/Ft) 5.52 ft2/ft (1.68 m2 /m)
1Computed using ARI 1200 standard methodology: Refrigerated Volume, ft3[m3]/Unit of Length, ft [m]
2ARI Refrigerated Volume less shelving and other unusable space: Refrigerated Volume/Unit of Length, ft3/ft [m3/m]
3Computed using ARI 1200 standard methodology: Total Display Area, ft2[m2]/Unit of Length, ft [m]
4Shelf surface area is composed of bottom deck plus standard shelf complement, as shown in the Hussmann
Product Reference Guide. The standard shelf complement for this model is NONE.

6 of 7 FWG Technical Data Sheet
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Red
Electric Defrost Heaters
Drip Pan Heater
6
Red
5
208 V Power From
Defrost Contactors
L1 L2
Red
Electric Defrost Heaters
Drip Pan Heater
6
Red
5
Defrost Termination Thermostat
Dark Blue To
Condensing Unit
}
3
Light Blue
2
To
Condensing Unit
}
Refrigeration Thermostat
(Optional)
1
BROWN BAND
Fans
BROWN BAND
Nosing
Anti-sweat
Heater
120V POWER
120V NEUTRAL
89
Return Grille
Anti-sweat
Heater
1
BROWN BAND
BROWN BAND
89
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers.
10
White
Purple
Return Glass Anti-sweat Heater
120V
POWER
120V
NEUTRAL
10
White
Purple
Electric Defrost – Standard
4 Ft - 2 Fans
8 Ft - 4 Fans
12 Ft - 4 Fans

7 of 7P/N 0465901_E HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
Gas Defrost – Optional
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 12 foot models only.
7
4
120V Drip Pan Heater — Koolgas Only
Yellow
Heater Switch
Yellow
120V
POWER
120V
NEUTRAL
Dark Blue
Dark Blue
7
4
Yellow
Heater Switch
Yellow
120V
POWER
120V
NEUTRAL
Dark Blue
Dark Blue