Wiring Diagram Refrigeration Piping

1 gas refrigerant pipe 3 4 ton.

Wiring diagram refrigeration piping. Installation of the refrigeration and electrical components must be performed only by a refrigeration mechanic or licensed electrician. Single phase must be within 10 or 5 of nameplate ratings. Refrigerant piping installation 10. Use only a suitable silver solder alloy on suction and liquid lines.

The opposing flow of refrigerant gases as shown in the left diagram in figure 66f02c can set up a turbulence that may cause pulsation in the piping. 5 8 15 88 5 ton. To comply with nsf standard 7 the area above the unit cooler must be sealed or exposed in such a way. On commercial projects a skilled electrician handles the electrical hookups a controls technician handles the control wiring and a pipe fitter handles the pipework including the.

78 leak detection required by code. Proper refrigeration piping installation practices installing a new air conditioning and heating system requires skill and knowledge of proper procedures in electrical wiring controls wiring and pipework. Pr b inert gas must be charged into the piping during brazing. A system piping must be in accordance with good refrigeration actices.

3 4 19 05 2 liquid refrigerant pipe 3 8 9 52 3 condensate drain holes 0 79 20 4 communication cable holes 0 87 22 2 x 3 5 power cable holes 1 36 34 5 x 3. Dry nitrogen is preferred. These refrigerator systems conform to the commercial refrigeration manufacturers association health and sanitation standard crs s1 86. Unit cooler installation diagram.

Improper or faulty hook up of electrical components can result in death. Refrigerant piping installation connecting the piping is a terminal branch type in which refrigerant piping from the outdoor unit is branched at the terminal and connected to each of the indoor units. When brazing refrigerant lines an inert gas should be passed through the line at low pressure to prevent scaling and oxidation inside the tubing. 4 the unit and the ceiling for cleaning.

If the rise to the main hot gas line is over 4 or 5 ft the branch lines should connect to the main. C the power supply to the unit must meet the following conditions. Installation service manual parallel compressors enviroguard save these instructions for future reference. 77 red flag 9 penetrations walk in coolers freezers roof penetrations walls cases.

Iv refrigerant piping the condensing unit must remain sealed and pressurized from the manufacturer until piping is complete and final.