Refrigerant Charging Charts for Cooling Mode of Operation

13 SEER Split System Cooling Charts

REFRIGERANT CHARGING CHARTS LEGEND FOR COOLING/HEATING MODES OF OPERATION

*Note: All pressures are listed in psig. and all temperatures in deg. F.

- Shaded boxes indicate flooded conditions

- Rated design values. Suction Pressure will be lower than design value if indoor air flow, entering dry bulb, or entering wet bulb temperatures are lower than design.

- Discharge temperatures greater than charted values indicates a refrigerant undercharge.

018K

 

 

 

 

 

 

 

 

 

OUTDOOR TEMPERATURE ( deg. F )

 

 

 

 

 

 

 

 

 

 

70

 

75

 

80

 

 

85

 

90

 

95

 

100

 

105

Suc. Press.

Liq. Press.

Dis. Temp.

Liq. Press.

Dis. Temp.

Liq. Press.

Dis. Temp.

Liq. Press.

Dis. Temp.

Liq. Press.

Dis. Temp.

Liq. Press.

Dis. Temp.

Liq. Press.

Dis. Temp.

Liq. Press.

Dis. Temp.

133

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

135

232

 

89

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

137

233

 

100

251

 

99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

139

235

 

112

253

 

109

270

 

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

141

236

 

120

255

 

119

273

 

116

291

 

116

308

 

118

 

 

 

 

 

 

 

 

 

143

237

 

137

258

 

128

277

 

120

294

 

122

312

 

125

329

 

124

 

 

 

 

 

 

145

 

 

 

259

 

142

279

 

133

299

 

125

315

 

134

333

 

131

350

 

130

 

 

 

147

 

 

 

 

 

 

281

 

147

301

 

137

320

 

137

337

 

138

354

 

136

371

 

136

149

 

 

 

 

 

 

 

 

 

303

 

152

322

 

146

342

 

141

359

 

142

376

 

141

151

 

 

 

 

 

 

 

 

 

 

 

 

325

 

157

344

 

151

364

 

147

381

 

147

153

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

347

 

161

366

 

156

385

 

152

155

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

368

 

166

388

 

161

157

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

390

 

170

159

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

Page 15
Image 15
Nordyne R-410A installation instructions 018K

R-410A specifications

Nordyne R-410A is a widely recognized refrigerant used in modern air conditioning and heat pump systems, known for its efficiency and environmentally friendly attributes. As a hydrofluorocarbon (HFC) refrigerant, R-410A has become the preferred choice for many manufacturers seeking to meet stringent environmental regulations while providing superior cooling performance.

One of the main features of R-410A is its higher energy efficiency compared to older refrigerants like R-22. This efficiency is primarily attributed to its higher pressure capabilities, which allow for improved heat transfer and reduced energy consumption in residential and commercial systems. As energy costs continue to rise, the use of R-410A in HVAC systems offers a viable solution for reducing utility bills while maintaining optimal comfort levels.

R-410A is also non-ozone-depleting, which sets it apart from many traditional refrigerants. While older refrigerants have been phased out due to their potential harm to the ozone layer, R-410A presents a sustainable alternative that aligns with environmental goals. It features a zero ozone depletion potential (ODP), making it a responsible choice for installations concerned with ecological impact.

In terms of technology, R-410A works effectively in both air conditioning and heat pump systems, providing reliable cooling in hot conditions and heat in colder months. It is compatible with a variety of system designs and can excel in both residential and commercial applications. Moreover, the thermodynamic properties of R-410A ensure consistent and reliable performance, regardless of the external temperature fluctuations.

Another characteristic of R-410A is its ability to operate at lower temperatures, which enhances its versatility. This capability allows for the design of systems that can function efficiently in a wider range of climate conditions. As a result, HVAC technicians and contractors benefit from its reliability and performance, leading to less frequent maintenance and enhanced customer satisfaction.

Lastly, R-410A systems are equipped with advanced components that improve overall functionality. These systems often include variable-speed compressors, which optimize energy use based on cooling demand, and advanced refrigerant management technologies that ensure safe and efficient operation.

In conclusion, Nordyne R-410A stands out as a superior refrigerant due to its energy efficiency, environmental benefits, and adaptability across a range of HVAC applications. As the industry continues to innovate and shift toward sustainable solutions, R-410A remains at the forefront of refrigerant technology, ensuring homeowners and businesses alike enjoy efficient and eco-friendly cooling options.