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Heatcraft Refrigeration Products Refrigeration System H-IM-82B manual

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Table of contents for the manual

  • Page 1

    H-IM-82B July 2008 P ar t No . 25001901 Re frigeration S y st em Installa tion Refriger ation S y stem F or Outdoor Applications Installation and Opera tion Guide Replaces H-IM-82A (6/06) © 2008 Heatcraft Refrigeration Products LL C T able of C ontents 1. Owner's Installation Instructions Performance/Electrical Data Specications ..........[...]

  • Page 2

    2 1. Owner's Operating Instructions P er formanc e / Elec trical Data T able 3. Specications Model Refrigerant Refriger ant Charge (oz.) T otal Heat of Rejection (BTUH) Appro x. Net W eight lbs. kg C OOLERS PT T047H2B 22 27 6,700 192 100 PT T063H2B 22 29 8,700 207 100 PT T072H2B 22 32 9,700 211 100 PT T099H2B 22 47 16,800 270 127 PT T099H2C[...]

  • Page 3

    3 25" x 25" panel opening required f or evaporator section of medium cabinet sizes . * 21.5" with weather hood. Figur e A. Medium Cabinet Dimensions without weather hood Models PT T 021, 031, 044, 047, 063, 072 Dimensional Diagrams Figur e B. Large C abinet without weather hood Models PT T 052, 069, 099, 128 25" x 38 1 / 2 "[...]

  • Page 4

    4 1. Owner's Operating Instructions Some general rules for the evaporat or section placement which must be follow ed are: 1. Ensure that the structural integrity of the box can withstand the weight of the top mounted equipment. 2. The air pattern must cov er the entire r oom. 3. NEVER locate the evaporator section over doors . 4. Location of a[...]

  • Page 5

    5 1. Owner ’ s Op era ting Instructions T able 4. Contr ol F ac tory Default S ettings PT T Models T emperature Set Points Defrost Start T imes Defrost Duration (Maximum) Drip Time F an Delay Defrost T ermination Set Point Cooler Models All cabinet sizes 35˚F Every 3 hours of compressor run time 60 min. – – 38˚F F reezer Models Med. & L[...]

  • Page 6

    6 1. Owner's Operating Instructions The Outdoor c omes standard with the following additional c omp onents: • Crankcase Heater • Drain Line Heater • W eather Hood • F an Cycling (Pressure on 1 fan models , Pressure and A mbient on 2 fan models). Standard Installation P rocedur e PTT Mo dels F or outdoor use 1. Pr ovide a 25" X 25&[...]

  • Page 7

    7 1. Owner's Operating Instructions F igure 1. Curb placed on r oof of walk-in cooler . F igure 2. Roof membrane placed ov er curb. F igure 3. PT T unit placed on roof of walk -in color . (see rigging instructions). F igure 4. Weather hood installed after electrical ser vice connection. PT T Models Example Outdoor Cur b Installation ( C urb su[...]

  • Page 8

    8 Ser vice Inf ormation All units are designed for maximum dur ability , reliability and simplicity . comes to you ready f or operation, fully charged and with all controls pr eset at the factor y . T he following inf ormation is provided as an aid in the even t that service is required. Maintenance The evaporator section of a system should be chec[...]

  • Page 9

    9 MAIN FUNCTIONS HO W T O S E E TH E SE T PO IN T 1. Push and immediately r elease the SE T key: the display will show the Set point value . HOW T O CHANGE THE SETPOINT 1. Push the SET key f or more than 2 seconds to change the Set point value; 2. The value of the set point will be displa yed and the LED starts blink ing; 3. T o change the Set valu[...]

  • Page 10

    10 Reprinted with permission from Dixell . DISPLA Y CF T emperature measurement unit °C=Celsius; °F=F ahrenheit. W ARNING: When the measurement unit is changed the SET point and the values of the parameters Hy , LS, US, Ot, ALU and ALL ha ve to be checked and modied if necessary Pr2 °C = Celsius °F =F ahrenheit °F °F °F DEFROST tdF D efro[...]

  • Page 11

    11 Reprinted with permission from Dixell . 3. Coolers Air Defrost Sequence of Oper ation for C o olers Air defrost units are pr eprogr ammed for 3 hours of compressor run time between defr osts. These periods are not reprog rammable. After 3 hours , the temperature c ontrol will turn the compressor o . W hen the coil temperatur e reaches 38°F ,[...]

  • Page 12

    12 4. Ser vice Inf ormation T able 5. Sy stem T roubleshooting Chart PROBLEM POSSIBLE CAUSES POSSIBLE CORRECTIVE STEPS Compressor 1. Main switch open. 1. Close switch. will not run 2. F use blown. 2. Check electrical circuits and motor winding for shorts or grounds . I nvestigate f or possible overloading. Replac e fuse after fault is corrected. 3.[...]

  • Page 13

    13 Replacement P ar ts by 4. Ser vice Inf ormation *Kits include control, sensors , mounting hardware and instructions. **PSC motor option (H designation on end of model name): part 25307801 = 25308601, par t 25307701 = 25308501, part 25303201 = 25399201, par t 25300101 = 25308501. Contact InterLink Parts at 800-686-7278. Part Description Part Numb[...]

  • Page 14

    14 5. Wiring Inf ormation Cooler - Air Defr ost Sy stems - Single Phase Diagram 1. Wiring Diagram f or System, Air Defr ost 208-230/1/60 (B): Models PT T047H2B, PTT063H2B, PTT072H2B, PT T099H2B, and PTT128H2B. Medium and Large Cabinet Models Wiring . 208-230/1/60 voltages. YELLOW BLACK N RT L C BLACK BLUE BLACK BLUE 0 - Unit Off ( Not an electrical[...]

  • Page 15

    15 Diagram 2. Wiring Diagram f or System, Electric Defrost 208-230/1/60 (B): Models PT T021L6B, PTT031L6B, PTT044L6B, PT T052L6B, and PTT069L6B. Fr eezer - Electric Defrost Sy stems - Single Phase Medium and Large Cabinet Models Wiring . 208-230/1/60 voltages Indoor and Outdoor Models with Dixell XR-60C Con troller 5. Wiring Inf ormation WN WN BLAC[...]

  • Page 16

    16 5. Wiring Inf ormation Diagram 3. Wiring Diagram f or System, Electric Defrost 208-230/1/60 (B): Models PT T021L6B, PTT031L6B, PTT044L6B, PT T052L6B and PTT069L6B. Medium and Large Cabinet Models Wiring . 208-230/1/60 voltages Indoor and Outdoor Models with Paragon C ontroller[...]

  • Page 17

    17 Large Cabinet Models Wiring . 208-230/3/60 voltage. Diagram 4. Wiring Diagram f or System, Air Defr ost 208-230/3/60 (C): Models PTT099H2C and PT T128H2C. Cooler - Air Defr ost Sy stems - Three Phase YELLOW BLACK RT N L C BLACK BLUE BLACK BLUE -(3) Hours of compressor run time between defrosts. Approximate dial settings of room thermostat dial: [...]

  • Page 18

    18 Fr eezer - Electric Defrost Sy stems - Three Phase Diagram 5. Wiring Diagram f or System, Electric Defrost 208-230/3/60 ( C): Models PT T052L6C and PT T069L6C only . Large Cabinet Models Wiring . 208-230/3/60 voltage Indoor and Outdoor Models with Dixell XR-60C Con troller WN WN BLACK WHITE HL WN DH BLACK BLUE #8 BROWN #3 BLUE SW YELLOW ORANGE Y[...]

  • Page 19

    19 RT -- ROOM THERMOST A T CFM -- CONDENSER F AN MOTOR CC -- COMPRESSOR CONT ACTOR EFM -- EV APORATOR F AN MOTOR LEGEND HL -- HEA TER LIMIT THERMOST AT DH -- DEFROST HEA TER GND -- GROUND RC -- RUN CAP ACITOR SR -- ST ART RELA Y USE COPPER CONDUCTORS ONL Y NOT F ACTORY WIRING FIELD WIRING (WHEN PLUG PROVIDED) SC -- ST ART CAP ACITOR HPS -- HIGH PRE[...]

  • Page 20

    2175 W est P ark Place Blvd. • S tone Mountain, GA 30087 (800) 321-1881 • F ax: (770) 465-5990 • w ww .heatcraftrpd.com Since product improv ement is a continuing eort, we reserve the right to make changes in specications without notice . W arranty Statement Heatc raft Refrige ration Pr oducts LLC warran ts to its direct purcha sers tha[...]