Instruction/ maintenance manual of the product H-IM-82B Heatcraft Refrigeration Products
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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.
2 1. Owner's Operating Instructions P er formanc e / Elec trical Data T able 3. Specications Model Refrigerant Refriger ant Charge (oz.) T otal Heat of Rejection (BTUH) Appro x.
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.
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.
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.
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).
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.
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.
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.
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 pa.
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 .
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 .
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.
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.
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.
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.
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.
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 .
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 CA.
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 eort, we reserve the right to make changes in specications without notice .
An important point after buying a device Heatcraft Refrigeration Products H-IM-82B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Heatcraft Refrigeration Products H-IM-82B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Heatcraft Refrigeration Products H-IM-82B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Heatcraft Refrigeration Products H-IM-82B you will learn all the available features of the product, as well as information on its operation. The information that you get Heatcraft Refrigeration Products H-IM-82B will certainly help you make a decision on the purchase.
If you already are a holder of Heatcraft Refrigeration Products H-IM-82B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Heatcraft Refrigeration Products H-IM-82B.
However, one of the most important roles played by the user manual is to help in solving problems with Heatcraft Refrigeration Products H-IM-82B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Heatcraft Refrigeration Products H-IM-82B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
