Hussmann MWG User manual

A
B
P/N 0395228B
HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Merchandisers
®
MWG
Data Sheet Set
P/N 0395228B
NSF®Certified
December, 2003
Item Part # Description Wiring Item #
FAN ASSEMBLIES AND THERMOSTATS
A. 9W Fan Assembly (1)
0378349 Fan Motor, Evaporator (120V)
0141070 Fan Blade, 8 ft and 12 ft Case
embossing toward motor
0315470 Fan Blade, 6 ft Case
embossing toward motor
B. 0137880 Optional Adjustable (2)
Refrigeration Thermostat
Item Part # Description Wiring Item #
LAMPS AND BALLASTS
None
Note: Changed items have been underlined.

MWG Data Sheet
2 of 4 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
C
L
Front
(513)
20
1/8
26
3/8
(681)
28
(711)
5 7/8
(159) 3
1/2
(89)
2
1/4
(57)
74
5/8
(1895)
57
7/8
(1470)
17
(432)
Refrigeration Outlet
Waste Outlet
& Water Seal
(See Note*)
MWG-8
External Base
A
B
C
Engineering
Plan Views Dimensions shown as inches and (mm).
Wide Island
Meat
12-2003
6 ft 8 ft 12 ft
General
(A) Case Length 72 1/4 (1835) 96 3/8(2448) 144 1/2(3670)
Each End and Partition adds 1 1/2in. (38 mm) to the length of the lineup.
Maximum outside dimension of case back to front (includes bumper) 74 5/8(1895) 74 5/8(1895) 74 5/8(1895)
Front of splashguard to outside edge of front skidrail 5 7/8 (149) 5 7/8 (149) 5 7/8 (149)
Back of case to outside edge of front skidrail 57 5/8 (1470) 57 5/8 (1470) 57 5/8 (1470)
Front of case to outside edge of front skidrail 17 (432) 17 (432) 17 (432)
Width of skidrail 4 1/2(115) 4 1/2(115) 4 1/2(115)
Stub-up area between front skidrail and spashguard 4 7/8(124) 4 7/8(124) 4 7/8(124)
Electrical Service
*Note: Electrical Box (Optional Kit)
Waste Outlet
(B) Righthand end of case to the center of waste outlet 46 1/2(1175) 72 1/4 (1835) 72 1/4 (1835)
Center of waste outlet to outside edge of front skidrail 3 1/2(89) 3 1/2(89) 3 1/2(89)
Water Seal
Edge of water seal to center of waste outlet 7 (178) 7 (178) 7 (178)
Outside diameter of drip piping 1 1/2(38) 1 1/2(38) 1 1/2(38)
Field installed water seal outlets, tees, and connectors are shipped with the case.
Refrigeration Outlet
(C) Righthand end of case to center of refrigeration outlet 9 1/8(230) 9 1/8(230) 9 1/8(230)
Center of refrigeration outlet to outside edge of front skidrail 2 1/4 (57) 2 1/4 (57) 2 1/4 (57)
Outside diameter of the liquid line 3/8(9.5) 3/8(9.5) 3/8(9.5)
Outside diameter of the suction line 7/8(22) 7/8(22) 7/8(22)

3 of 4
P/N 0395228B HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Impact MWG
REFRIGERATION DATA
Note: This data is based on store
temperature and humidity that does not
exceed 75°F and 55% R.H.
MWG
Discharge Air °F 26
Evaporator °F 18
Unit Sizing °F 16
Btu/hr/ft** MWG
Parallel 778
Conventional 890
**For all refrigeration equipment other
than Hussmann, use conventional BTU
values.
DEFROST DATA
Frequency (hr) 6
ELECTRIC OR GAS Not Recommended
Defrost Water (lb/ft/day) 2.2
OFFTIME MWG
Temp Term °F 43°F
Failsafe Minutes 60
CONVENTIONAL CONTROLS
Low Pressure Backup Control
MWG
CI/CO** 12°F / 2°F
Indoor Unit Only, Pressure Defrost
Termination** 43°F
**Use a Temperature Pressure Chart to
determine PSIG converisons.
PHYSICAL DATA
Merchandiser Drip Pipe (in.) 1 1/2
Liquid Line (in.) 3/8
Suction Line (in.) 7/8
Estimated Charge (lbs)***
MWG
6 ft 2.3
8 ft 2.8
12 ft 4.3
***This is an average for all refrigerant
types actual refrigerant charge may vary
by approximately half a pound.
Length (in.) added to Lineup
by Each End or Insulated
Partition 1 1/2
Wide Island, 1 Display Level with Front Glass
Optional
Positions
28
(711)
COIL
C
L
Front
of
Case
COIL
FAN
MWG
Electrical
(Optional Kit)
28
(711)
5 1/2
(140)
57 7/8
(1470)
74 5/8
(1895)
17 (432)
2 1/4 (57)
5 7/8 (149)
3 1/2 (89)
15
(382)
44
(1118)
8 1/4
(210)
7 3/4
(197) 11 3/4
(298)
37 3/8
(949)
17 3/8
(441)
25 1/2
(648)
Dimensions shown as inches and (mm).
NSF Certification
These merchandisers are manufactured to meet ANSI /National
Sanitation Foundation (NSF ®) Standard #7 requirements.

MWG Data Sheet
4 of 4 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Impact MWG
Meat / Delicatessen
Electrical Data
6 ft 8 ft 12 ft
Number of Fans –9W 1 2 3
Amperes Watts
Merchandiser 6 ft 8 ft 12 ft 6 ft 8 ft 12 ft
Fans
Standard (120V 60Hz) 0.77 1.54 2.31 62 124 186
Export (230V 50Hz) 0.47 0.94 1.41 70 140 210
Energy Efficient (120V 60Hz) 0.38 0.76 1.14 25 50 75
Constant on Anti-sweat Heaters NA
Cycling Anti-sweat Heaters NA
Minimum Circuit Ampacity
With Standard Fans (120V 60Hz) 0.97 1.74 2.51
Export (230V 50Hz) 0.67 1.14 1.61
With Energy Efficient Fans (120V 60Hz) 0.58 0.96 1.34
Maximum Over Current Protection (120V) 20 20 20
Maximum Over Current Protection (230V) 15 15 15
Supplemental Gas Heaters NA
208V 1ΦΦElectric Defrost NA
Standard Lighting Optional Lighting Optional Shelf Lighting
None None None
Refrigeration
Thermostat
2
To
Condensing
Unit
}
Light Blue
= 120V POWER = 120V NEUTRAL
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
CIRCLED NUMBERS = PARTS LIST ITEM NUMBERS
Fan Wiring
Offtime Defrost 1, 2 & 3 Fans
120V NEUTRAL
BROWN BAND
120V POWER
Fans 1
BROWN BAND
6 ft 8 ft 12 ft