Hussmann IMPACT M1LDGE Instruction Manual

P/N 0457211_A
Merchandisers
®
B
C
E
A
D
M1LDGE
Technical Data Sheet
P/N 0457211_A
NSF®Certified
July 2007
Item Part # Description Wiring Item #
FAN ASSEMBLIES, AND THERMOSTATS
A. 9W Fan Assembly (1)
0440420 Fan Motor, Evaporator
(MO.4410302)
0376413 Fan Blade (FB.0376413)
embossing toward motor
0123592 Relay, DPDT 208V (RL.4440495) (4)
B. 0398557 Standard Non-adjustable (2)
Thermostat (CT.4440611)
C. Optional Adjustable (3)
Refrigeration Thermostat
Item Part # Description Wiring Item #
HEATERS
D. 0487482 Defrost Heaters, 208V (5)
(HE.4481533)
E. 0494983 Anti-Sweat Heater, 8 ft (6)
(HE.4850719)
0494984 Anti-Sweat Heater, 12 ft (6)
(HE.4850720)
LAMPS AND BALLASTS
None
Note: Changed items have been underlined.
©2007 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
U.S. & CANADA 1-800-922-1919 • MEXICO 1-800-522-1900 • WWW.HUSSMANN.COM
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.

2 of 6 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. M1LDGE Data Sheet
Electrical Refrigeration
C
4 1/8(105)
D5 1/2(140)
1 3/8(35)
4 1/2(114)
29 1/2
(749)
35 1/8
(891)
46 1/4
(1174)
9
(230)
30 5/8
(778)
27 1/2
(699)
40 5/8
(1032)
4 (102)
Water Seal
(See Note*)
Waste Outlet
4(102)
40 5/8
(1032)
30 1/2
(775)
A
B
Front
Dimensions shown as inches and (mm).
8 Ft 12 ft
General
(A) Length of Case (without ends or partitions) 96 3/8(2448) 144 1/2(3670)
Maximum outside dimensions of case back to front (includes bumper) 46 1/4(1174) 46 1/4(1174)
Back of case to front of splashguard 35 1/8 (891) 35 1/8 (891)
Back of case to outside edge of front skidrail 29 1/2 (749) 29 1/2 (749)
Width of skidrail 4 1/2 (114) 4 1/2 (114)
Right end of case to inside edge of external support 5 1/2 (140) 5 1/2 (140)
Distance between inside edges of external support and center support 40 5/8 (1032) 40 5/8 (1032)
Distance between inside edges of center supports NA 44 (1118)
Width of external support 4 1/8(105) 4 1/8(105)
Stub-up area between front skidrail and splashguard 4 (102) 4 (102)
Electrical Service (Electrical Field Wiring connection point)
(B) Right end of case to center of farthest knockout 88 3/8 (2245) 136 1/2 (3467)
Back outside of case to center of knockout 30 1/2 (775) 30 1/2 (775)
Length of electrical raceway 34 1/2(878) 34 1/2(878)
Waste Outlet
(C) Left end of case to center of waste outlet 72 1/4 (1835) 72 1/4 (1835)
(D) Right end of case to center of waste outlet 24 1/8 (613) 72 1/4 (1835)
Back outside of case to center of waste outlet 27 1/2 (699) 27 1/2 (699)
Water Seal
Edge of water seal to center of waste outlet 4 (102) 4 (102)
Outside diameter of drip pipe 1 1/2 (38) 1 1/2 (38)
*Note: Water seal outlet must clear front skid rail.
Refrigeration Outlet
Right end of case to center of refrigeration outlet 9 (230) 9 (230)
Back outside of case to center of refrigeration outlet 30 5/8 (778) 30 5/8 (778)
Engineering
Plan Views
Meat / Delicatessen
11-2003

HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM 3 of 6
P/N 0457211
37 3/8
(950)
46 5/8 (1183)
35 1/4 (896)
38 1/2
(978)
25 1/2
(648)
FAN
C
O
I
L
4 1/2 (114)
27 1/2 (699)
29 1/2 (749)
4
(102)
9 7/8
(250)
M1LDGE
13 3/8
(340)
30 1/8
(766)
REFRIGERATION DATA
Note: This data is based on store temperature
and humidity that does not exceed 75°F and
55% R.H.
M1LDGE
Discharge Air °F –10
Evaporator °F –20
Unit Sizing °F –23
Btu/hr/ft M1LDGE
Parallel 475
Conventional 495
DEFROST DATA
Frequency (hr) 6
Defrost Water (lb/ft/day) 2
(±15% based on case configuration and product
loading.)
ELECTRIC W/REVERSE AIR M1LDGE
Temp Term °F 48
Failsafe Minutes 40
GAS W/REVERSE AIR M1LDGE
Duration Minutes 15
OFFTIME Not Recommended
Standard Defrost Thermostat
Close on rise: close 43°F — open 33°F
CONVENTIONAL CONTROLS
Low Pressure Backup Control
M1LDGE
CI/CO* –27°F / – 37°F
Indoor Unit Only, Pressure Defrost
Termination* 48°F
*Use a Temperature Pressure Chart to deter-
mine PSIG conversions.
PHYSICAL DATA
Merchandiser Drip Pipe (in.) 1 1/2
Liquid Line (in.) 3/8
Suction Line (in.) 5/8
Estimated Charge (lbs)**
M1LDGE
8 ft 1.7
12 ft 2.3
**This is an average for all refrigerant types
actual refrigerant charge may vary by approxi-
mately half a pound.
Length (in.) Added to Lineup by Each End
or Insulated Partition 1 1/2
Impact M1LDGE
Frozen Meat/Delicatessen
Single Deck, Low Temp Deep Well, Glass Front, 1 Display Level
Dimensions shown as inches and (mm).
NSF Certification
These merchandisers are manufactured to meet ANSI /National
Sanitation Foundation (NSF ®) Standard #7 requirements.

4 of 6 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
Impact M1LDGE
Frozen Meat/Delicatessen
Electrical Data
8 ft 12 ft
Number of Fans — 9W 2 3
Amperes Watts
8 ft 12 ft 8 ft 12 ft
Merchandiser
Fans
120V 60Hz Standard NA NA NA NA
230V 50Hz Export NA NA NA NA
120V 60Hz Energy Efficient NA NA NA NA
120V 60Hz Reverse Air 0.6 0.9 60 90
Constant on Anti-sweat Heaters 0.8 1.0 96 120
Cycling Anti-Sweat Heaters NA NA NA NA
Minimum Circuit Ampacity
120V 60Hz with Standard Fans NA NA
230V 50Hz Export NA NA
120V 60Hz with Energy Efficient Fans NA NA
120V 60Hz with Reverse Air Fans 1.6 2.1
Maximum Over Current Protection 120V 20 20
Maximum Over Current Protection 230V NA NA
Supplemental Gas Heaters NA
208V Electric Defrost 6.6 9.9 1370 2055
120V Supplemental Reverse Air NA NA NA NA
Standard Lighting
None
Optional Lighting
None
M1LDGE Technical Data Sheet

5 of 6
P/N 0457211_A HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
L1 L2
Modular Electric Defrost Heaters
(Mounted above Evaporators)
RR
5
208 V Power From Defrost Contactors
Defrost
Termination
Thermostat
Refrigeration
Thermostat
Dark Blue To
Condensing Unit
}
Light Blue
32
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.
R = Red
1
3
2
Evaporator Fans
(Reverse During Defrost)
1
4
Orange L2
Red
Brown
To Defrost Timer
120V Only
Blue
L3 Yellow
Relay
Electric Defrost – Standard
120V
POWER
Anti-Sweat Heater, Rear Rail 6
PURPLE BAND PURPLE BAND
120V
NEUTRAL

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
6 of 6 M1LDGE Technical Data Sheet
Refrigeration
Thermostat
To
Condensing Unit
}
Light Blue
2
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.
120V
POWER
Anti-Sweat Heaters, Rear Rail 6
PURPLE BAND PURPLE BAND
120V
NEUTRAL
1
3
2
Evaporator Fans
(Reverse During Defrost)
1
4
Orange L2
Red
Brown
To Defrost Timer
120V Only
Blue
L3 Yellow
Relay
Gas Defrost – Optional