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Heatcraft Refrigeration Products BN-LOPTB manual

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Table of contents for the manual

  • Page 1

    L O W P R O FI L E U N I T CO O L E R S T echnical Gui de Model s AD T | A ir Defr ost • L ET /L LE | E lec tr ic Defr ost • HGT | H ot Ga s Defro st www .thecoldstandard.com BNL OPTB April 2008 Replaces BN-L OPTB, August 2004[...]

  • Page 2

    2 Nomenclature ......................................................................................................................................................................................................... 2 F eatures & Benets .........................................................................................................[...]

  • Page 3

    3 Features & Benefits Cabinet Minimal height of the low profile series makes it ideal for lo w ceiling coolers Cabinet design f eatures front access panels on each side f or easy access to electrical and refrigeration components All electrical components factor y wired to terminal board and iden tified, making it easy to field wire the unit Sw[...]

  • Page 4

    4 Performance Data Model AD T Air Defrost | 60 Hz Model Capacity F an Data 10°F TD 25°F SST 6°C TD -4°C SST No. CFM m 3 H BTUH W att s AD T040 4,000 1,170 1 730 1,240 AD T052 5,200 1,520 1 700 1,189 AD T065 6,500 1,900 1 650 1,104 AD T070 7,000 2,050 2 1,460 2,481 AD T090 9,000 2,640 2 1,400 2,379 AD T104 10,400 3,050 2 1,400 2,379 AD T120 12,0[...]

  • Page 5

    5 Model AD T Air Defrost | 50 Hz Model HP PSC Motor EC Motor 110/1/50 220/1/50 380/1/50 110/1/50 220/1/50 Amp s Wat ts Am ps Wat ts A mp s Watt s Amp s Wat ts Am ps Wat ts AD T040 1/15 1.0 68 0.5 65 0.4 82 0.9 57 0.5 59 AD T052 1/15 1.0 68 0.5 65 0.4 82 0.9 57 0.5 59 AD T065 1/15 1.0 68 0.5 65 0.4 82 0.9 57 0.5 59 AD T070 1/15 2.0 136 1.0 130 0.8 1[...]

  • Page 6

    6 Model LET/LLE Elec tric Defrost | 60 Hz Model Capacity F an Data 10°F TD -20°F SST 6°C TD -29°C SST No. CF M m 3 H BTUH W att s 6 Fins P er Inch LET035 3,500 1,025 1 700 1,189 LET040 4,000 1,170 1 700 1,189 LET047 4,700 1,380 1 650 1,104 LET065 6,500 1,900 2 1,400 2,379 LET075 7,500 2,200 2 1,300 2,209 LET090 9,000 2,640 2 1,300 2,209 LET120 [...]

  • Page 7

    7 Specifications Model LET/LLE Elec tric Defrost | 60 Hz Model HP Shaded P ole Motor PSC, PSC- TE Motor EC Motor Defrost Heaters 208-230/1/60 208-230/1/60 460/1/60 208-230/1/60 W atts 230/1/60 230/3/60 460/1/60 T otal Amps Am ps Wat t s Amp s Wat ts A mp s Wat ts A mp s Watt s 6 Fins P er Inch LET035 1/15 1.0 122 0.5 91 0.4 117 0.5 59 900 3.9 2.3 [...]

  • Page 8

    8 Performance Data Model HGT Hot Gas Defrost | 60 Hz Model Capacity F an Data 10°F TD -20°F SST 6°C TD -29°C SST No. CF M m 3 H BTUH W att s 6 Fins P er Inch HGT035 3,500 1,025 1 700 1,189 HGT040 4,000 1,170 1 700 1,189 HGT047 4,700 1,380 1 650 1,104 HGT065 6,500 1,900 2 1,400 2,379 HGT075 7,500 2,200 2 1,300 2,209 HGT090 9,000 2,640 2 1,300 2,[...]

  • Page 9

    9 Specifications Model HGT Hot Gas Defrost | 60 Hz Model HP Shaded P ole Motor PSC, PSC- TE Motor EC Motor Drain Pan H eaters * 115/1/60 208- 230/1/60 115/1/60 208- 230/1/60 460/1/60 115/1/60 208- 230/1/60 W atts 115/1/60 230/1/60 460/1/60 T otal Amps Am ps Wat t s Amp s Wat ts A mp s Wat ts A mp s Watt s Am ps Wat t s Am ps Wat t s Am ps Wat t s [...]

  • Page 10

    10 Physical Data Model AD T Air Defrost Model No . of F ans Connections (in.) Appro x. Net Wt. Coil Inlet OD Suction ID External Equalizer OD Drain MPT lbs. kg AD T040 1 1/2 5/8 1/4 3/4 28 13 AD T052 1 1/2 5/8 1/4 3/4 31 15 AD T065 1 1/2 7/8 1/4 3/4 34 16 AD T070 2 1/2 7/8 1/4 3/4 45 21 AD T090 2 1/2 7/8 1/4 3/4 48 22 AD T104 2 1/2 7/8 1/4 3/4 49 2[...]

  • Page 11

    11 The standard design f or the Bohn Low P role Evaporator incorpor ates a hot gas loop in the drain pan. Utilizing a hot gas loop is ideal for hot gas defrost applica tions where high temperature gas can be maintained t o defrost both the evaporator drain pan and coil. F or applications where cooler (lower) t emperature hot gas is used for defr[...]

  • Page 12

    12 Dimensional Data Dimensional Data F or All Models Air Defrost Model Electric and Hot Gas Defrost Model No . of F ans Dimensions A B C D 6 FPI 6 FPI 4 FPI in. mm in. mm in. mm in. mm 040 035 - 1 29.50 749.3 17.25 438.1 - - - - 052 040 - 1 29.50 749.3 17.25 438.1 - - - - 065 047 041 1 29.50 749.3 17.25 438.1 - - - - 070 - - 2 45.50 1,155.7 33.25 8[...]

  • Page 13

    13 The hot gas unit coolers can be used in rev erse c ycle hot gas defrost sy stems using multiple evaporators connected to one condensing unit. Generally , not more than one -third of the system defr osts at one time. During the reverse cycle defrost, the r eversing valve; located in the compr essor discharge line, diverts hot gas through the suct[...]

  • Page 14

    14 In the refrigeration cycle, the thermostatic expansion valve bypass assembly check valv e only allows refrigerant ow through the thermostatic expansion valv e and into the evaporator c oil. As the refrigerant vapor exits the c oil at the suction line, the check valve of the drain pan loop check valv e assembly prevents the r efrigerant vapor [...]

  • Page 15

    15 The hot gas defrost unit coolers c onforms to the standard 3-pipe hot gas system using a check valve assembly , an elec trical control t o terminate the defrost, and a hot gas solenoid valv e. The check valve assembly transports the hot gas between the drain pan loop and the sideport distributor of the coil. The check valve assembly kit is avail[...]

  • Page 16

    16 Cabinet C omponents Part # Description No . F ans 40480101 Drain P an Air & Hot Gas Defrost 1 40480201 Drain P an Air & Hot Gas Defrost 2 40480301 Drain P an Air & Hot Gas Defrost 3 40480401 Drain P an Air & Hot Gas Defrost 4 40480501 Drain P an Air & Hot Gas Defrost 5 40480601 Drain P an Air & Hot Gas Defrost 6 40480103 [...]

  • Page 17

    17 Standard Nozzle Selection Model AD T Air Defrost Model No . of F ans Distributor T ube (in.) No . of Circuits R-404A R-22 OD Length ADT040 1 3/16 15 1 - - ADT052 1 3/16 15 1 - - ADT065 1 3/16 15 2 L-1/2 L -1/3 ADT070 2 3/16 15 2 L-1/2 L -1/3 ADT090 2 3/16 15 3 L-3/4 L -1/2 ADT104 2 3/16 15 3 L-3/4 L -1/2 ADT120 2 3/16 15 3 L -1 L-3/4 ADT130 2 3/[...]

  • Page 18

    18 Notes[...]

  • Page 19

    19 Notes[...]

  • Page 20

    A Brand of Heat craft Refrigeration Products LL C 2175 W est Park Place Blv d. • Stone Mountain, GA • 30087 800.537.7775 • F AX 770.465.5990 ww w .thecoldstandard .com F or more information on Bohn refrigeration pr oducts, contact your sales repr esentative or visit us at www.thec oldstandard.com. Since product improvement is a c ontinuing e?[...]