Instruction/ maintenance manual of the product H-IM-UC Heatcraft Refrigeration Products
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H-IM-UC August 2008 P ar t No . 25008201 Unit C oolers Installation and Opera tions Manual T able of C ontents General Safety Information .................................................................. 2 Inspection .................................
2 Installation and Operations Manual General Safety Information 1. Installation and maintenance to be performed only by qualied personnel who are familiar with this type of equipment 2. Some units are pressurized with dry air or iner t gas. All units must be evacuated bef ore charging the sy stem with refrigerant.
3 Unit Coolers One evaporator Figur e 2. Low P role Unit Coolers Recommended Unit C o oler Placemen t Some general rules for evaporat or placement which must be follow ed are: 1. The air pattern must cov er the entire r oom. 2. NEVER locate evaporators o ver doors.
4 Installation and Operations Manual the area above the unit cooler must be sealed or exposed in such a way to facilitate hand cleaning without the use of tools.
5 Unit Coolers Condensa te Drain Lines Eith er co pper or steel drai n lines shoul d be used and prop erly prot ecte d from freezing. In running drain lines, provide a minimum 1/4 inch per foot pitch for pr oper drainage. Drain lines should be at least as large as the evaporator drain connection.
6 Installation and Operations Manual Operational Check Out After the system has been charged and has operated for at least two hours at normal operating conditions without an y indication of malfunction, it should be allowed to operate overnight on automatic contr ols.
7 Unit Coolers T able 1. Expansion V alve Selection For 100# Head P ressure V alve BTUH at about 10° T .D. R-507/R404A R-507/R404A R-22 R-22 -20 ˚ F/-29 ˚ C Evap .
Since product impro vement is a continuing eort, we reserve the right to make changes in specications without notic e. C L I M A T E C O N T R O L Commercial Refrigeration Parts The name behind the brands you trust.
An important point after buying a device Heatcraft Refrigeration Products H-IM-UC (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-UC 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-UC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Heatcraft Refrigeration Products H-IM-UC 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-UC will certainly help you make a decision on the purchase.
If you already are a holder of Heatcraft Refrigeration Products H-IM-UC, 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-UC.
However, one of the most important roles played by the user manual is to help in solving problems with Heatcraft Refrigeration Products H-IM-UC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Heatcraft Refrigeration Products H-IM-UC 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
