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12
Engineering
CROSS SECTION
Specialty Products
AB-B
AB-G
AB-G
AB-Series
3 of 12
AB (B/G)
Technical Data Sheet
P/N AB
REFRIGERATION DATA
Note: This data is based on store temperature and
humidity that does not exceed 75F and 55% R.H.
AB
Meat
Discharge Air (F)
26
Evaporator (F)
20
Note: Not recommended to control temp by regulating
coil temp allow t-stat to cycle and control temp.
Btu/hr/ft*
Parallel
Blower (B)
990
Gravity (G)
360
Conventional
Blower (B)
1040
Gravity (G)
380
*For all refrigeration equipment other than Hussmann,
use conventional Btu values.
% RH above Ambient**
Blower (B)
10%
Gravity (G)
30%
**% R.H. above ambient is based on tests performed at
75F and 55% R.H. values may very in other ambient
conditions.
DEFROST DATA
Frequency Hrs Blower (B)
Defrost Water (lb/ft/day)
Frequency Hrs Gravity (G)
Defrost Water (lb/ft/day)
(+- 15% based on case configuration and product
loading).
OFFTIME
Temp Term °F
Failsafe Minutes Blower (B)
Failsafe Minutes Gravity (G)
ELECTRIC or GAS
Not Recommended
Standard Defrost Thermostat
Close on rise: close 48°F – open 33°F
PHYSICAL DATA
Merchandiser Drip Pipe (in.)
Merchandiser Coil Drain (in.)
Merchandiser Liquid Line (in.)
Merchandiser Suction Line (in.)
Estimated Charge (lb)***
4ft
5ft
6ft
*** This is an average for all refrigerants types. Actual
refrigerant charge may vary by approximately half a
pound.
GLYCOL REQUIREMENTS
Gravity
GPM
PSI
GPM
4'- 0.5
0.5
NA
5'- 0.6
0.9
NA
6'- 0.8
1.3
NA
Rev B
6
8.2
1
5.8
48
36
90
1 ¼
1/2
3/8
5/8
1.2
1.5
1.8
Blower
PSI
NA
NA
NA
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