246653-YTG-E-0108

 

TABLE 31: COOLING PERFORMANCE 25 TON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AIR ON EVAPORATOR COIL

 

 

 

 

 

 

TEMPERATURE OF AIR ON CONDENSER COIL

 

 

 

 

 

 

 

 

 

 

 

 

75°F

 

 

 

 

 

 

 

 

85°F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WB

TOTAL

TOTAL2

 

SENSIBLE CAPACITY (MBH)

 

TOTAL

TOTAL2

 

SENSIBLE CAPACITY (MBH)

 

 

CFM

CAP.1

INPUT

 

RETURN DRY BULB (°F)

 

CAP.1

INPUT

 

RETURN DRY BULB (°F)

 

 

(°F)

 

 

 

 

 

 

(MBH)

(KW)

86

83

 

80

77

74

71

68

(MBH)

(KW)

86

83

 

80

77

74

71

68

 

 

 

 

 

 

 

72

337.7

23.0

179

165

 

152

138

124

-

-

326.9

24.5

175

161

 

147

133

119

-

-

7500

67

310.2

21.6

223

209

 

195

181

168

154

140

296.8

23.9

217

203

 

189

175

161

147

134

62

271.9

21.5

254

240

 

226

212

198

184

170

269.6

23.5

257

243

 

229

215

201

187

174

 

 

 

 

 

 

57

243.9

20.8

243

247

 

246

233

219

205

191

253.3

23.1

253

253

 

246

232

218

204

190

 

 

72

344.1

23.7

194

177

 

159

141

124

-

-

331.9

25.2

186

170

 

154

138

122

-

-

8750

67

316.1

22.2

240

222

 

205

187

170

152

134

301.4

24.5

230

214

 

198

182

165

149

133

62

277.1

22.1

268

255

 

237

220

202

184

167

273.7

24.1

267

256

 

240

223

207

191

175

 

 

 

 

 

 

57

248.7

21.4

248

250

 

259

241

223

206

188

257.2

23.7

257

257

 

257

241

224

208

192

 

 

72

350.5

24.3

209

188

 

166

145

124

-

-

336.8

25.8

198

179

 

161

142

124

-

-

10000

67

321.9

22.8

257

236

 

214

193

172

150

129

305.9

25.1

244

225

 

206

188

169

151

132

62

282.3

22.7

282

270

 

248

227

206

184

163

277.9

24.7

277

269

 

250

232

213

194

176

 

 

 

 

 

 

57

253.4

21.9

253

253

 

271

249

228

207

185

261.0

24.3

261

261

 

268

249

231

212

194

 

 

72

355.5

26.5

218

197

 

177

156

136

-

-

341.2

27.7

209

190

 

171

152

133

-

-

11250

67

326.5

24.9

269

249

 

228

208

187

167

146

309.8

27.0

258

239

 

220

201

182

163

144

62

286.3

24.7

286

280

 

267

247

226

206

185

281.4

26.6

281

277

 

266

247

228

210

191

 

 

 

 

 

 

57

257.1

23.9

257

257

 

265

245

224

204

183

264.4

26.1

264

264

 

268

249

230

211

192

 

 

72

360.5

28.7

227

207

 

187

168

148

-

-

345.5

29.7

221

201

 

182

162

143

-

-

12500

67

331.1

26.9

281

261

 

242

222

202

183

163

313.8

28.9

272

253

 

233

214

195

175

156

62

290.4

26.8

290

290

 

286

267

247

227

208

285.0

28.4

285

285

 

283

263

244

225

205

 

 

 

 

 

 

57

260.8

25.9

260

260

 

260

241

221

201

182

267.7

28.0

267

267

 

267

248

228

209

190

 

 

 

 

 

 

95°F

 

 

 

 

 

 

 

 

 

105°F

 

 

 

 

 

 

 

72

316.1

26.1

171

157

 

143

129

115

-

-

297.4

29.4

162

149

 

135

121

107

-

-

7500

67

283.5

26.2

211

197

 

183

169

155

141

127

268.6

29.0

204

190

 

176

163

149

135

121

62

267.4

25.5

260

246

 

232

219

205

191

177

251.6

28.5

248

239

 

226

212

198

184

170

 

 

 

 

 

 

57

262.7

25.4

262

259

 

245

231

217

203

189

242.6

28.3

242

240

 

232

218

204

190

176

 

 

72

319.6

26.6

179

164

 

149

134

119

-

-

301.6

29.9

170

155

 

141

126

111

-

-

8750

67

286.7

26.8

221

206

 

191

176

161

146

131

272.4

29.5

214

199

 

184

170

155

140

125

62

270.4

26.1

267

257

 

242

227

212

198

183

255.1

28.9

253

248

 

236

221

206

191

177

 

 

 

 

 

 

57

265.7

26.0

265

263

 

255

240

225

210

196

246.0

28.8

246

245

 

242

227

212

198

183

 

 

72

323.2

27.2

187

171

 

155

139

124

-

-

305.7

30.3

178

162

 

147

131

115

-

-

10000

67

289.8

27.4

230

214

 

199

183

167

151

136

276.1

30.0

223

208

 

192

177

161

145

130

62

273.4

26.7

273

268

 

252

236

220

205

189

258.6

29.4

258

256

 

246

230

214

199

183

 

 

 

 

 

 

57

268.6

26.6

268

268

 

265

250

234

218

202

249.4

29.2

249

249

 

252

237

221

205

190

 

 

72

326.8

29.0

200

183

 

166

148

131

-

-

309.0

32.2

191

174

 

157

139

122

-

-

11250

67

293.1

29.1

247

229

 

212

194

177

160

142

279.0

31.8

240

223

 

205

188

171

153

136

62

276.5

28.4

276

273

 

266

248

231

213

196

261.4

31.2

261

260

 

255

237

220

203

185

 

 

 

 

 

 

57

271.7

28.3

271

271

 

270

252

235

217

200

252.0

31.0

252

252

 

253

236

219

201

184

 

 

72

330.5

30.7

214

195

 

176

157

138

-

-

312.2

34.0

205

186

 

167

148

129

-

-

12500

67

296.4

30.9

264

244

 

225

206

187

168

149

282.0

33.6

256

237

 

218

199

180

161

142

62

279.6

30.1

279

279

 

279

260

241

222

203

264.1

32.9

264

264

 

264

245

226

207

188

 

 

 

 

 

 

57

274.7

30.0

274

274

 

274

255

236

217

198

254.7

32.8

254

254

 

254

235

216

197

178

 

 

 

 

 

 

115°F

 

 

 

 

 

 

 

 

125°F

 

 

 

 

 

 

 

72

278.8

32.7

154

140

 

126

113

99.

-

-

260.1

36.1

145

132

 

118

104

91.

-

-

7500

67

253.7

31.9

197

183

 

170

156

142

129

115

238.8

34.7

190

177

 

163

149

136

122

109

62

235.8

31.4

235

232

 

219

205

191

178

164

220.0

34.4

220

220

 

212

198

185

171

157

 

 

 

 

 

 

57

222.5

31.2

222

222

 

219

205

191

177

164

202.4

34.0

202

202

 

202

192

178

165

151

 

 

72

283.5

33.1

162

147

 

132

118

103

-

-

265.5

36.3

153

138

 

124

109

95.

-

-

8750

67

258.0

32.2

207

192

 

178

163

149

134

119

243.7

34.9

200

186

 

171

157

142

128

113

62

239.8

31.7

239

238

 

229

214

200

185

171

224.5

34.6

224

224

 

223

208

194

179

165

 

 

 

 

 

 

57

226.3

31.5

226

226

 

229

214

200

185

170

206.6

34.3

206

206

 

206

201

187

172

158

 

 

72

288.3

33.4

169

154

 

138

123

107

-

-

270.8

36.5

161

145

 

130

115

99.

-

-

10000

67

262.4

32.6

217

201

 

186

170

155

139

124

248.6

35.1

210

195

 

179

164

149

133

118

62

243.9

32.1

243

243

 

239

224

208

193

178

229.1

34.8

229

229

 

229

218

202

187

172

 

 

 

 

 

 

57

230.1

31.8

230

230

 

239

224

208

193

177

210.8

34.5

210

210

 

210

210

196

180

165

 

 

72

291.1

35.4

182

165

 

148

131

113

-

-

273.3

38.6

173

156

 

139

122

105

-

-

11250

67

265.0

34.4

233

216

 

199

181

164

147

130

250.9

37.1

226

209

 

192

175

158

141

124

62

246.2

34.0

246

246

 

244

227

209

192

175

231.1

36.7

231

231

 

231

216

199

182

165

 

 

 

 

 

 

57

232.3

33.7

232

232

 

237

220

202

185

168

212.7

36.4

212

212

 

212

203

186

169

152

 

 

72

293.9

37.3

195

176

 

157

138

119

-

-

275.7

40.6

185

167

 

148

129

110

-

-

12500

67

267.5

36.3

249

230

 

211

192

173

155

136

253.1

39.1

242

223

 

204

185

167

148

129

62

248.6

35.8

248

248

 

248

229

210

191

173

233.1

38.7

233

233

 

233

214

195

176

158

 

 

 

 

 

 

57

234.6

35.6

234

234

 

234

215

196

177

159

214.5

38.3

214

214

 

214

195

177

158

139

1.The capacities are gross ratings. For net capacity, deduct the supply air blower motor heat *MBh = 3.415 x kW). Refer to the appropriate Blower Performance table for the kW of the supply air blower motor.

2.These ratings include the condenser fan motors and the compressor motors but not the supply air blower motor.

Johnson Controls Unitary Products

31

Page 31
Image 31
York Y34, Y33, Y32 manual Cooling Performance 25 TON, Mbh

Y32, Y34, Y33 specifications

The York Y33, Y32, and Y34 series represents a significant advancement in rooftop packaged units designed for commercial HVAC applications. These models are known for their reliability, energy efficiency, and innovative features that cater to diverse climate control needs.

The York Y33 series introduces modern features aimed at maximizing comfort and reducing energy costs. Its sleek design and compact size make it a versatile option for various applications, including retail spaces, office buildings, and industrial facilities. One of the standout features of the Y33 is its variable-speed compressor technology. This allows the unit to adjust its cooling output based on real-time demand, resulting in notable energy savings compared to traditional single-speed units.

The Y32 model builds upon the strengths of the Y33, offering enhanced capabilities for large commercial spaces. It incorporates advanced controls and building management system (BMS) connectivity, enabling seamless integration into existing infrastructure. The Y32 is designed with a focus on ease of maintenance and serviceability, featuring accessible components that streamline repair processes.

The York Y34 series emphasizes environmentally friendly practices, utilizing low-GWP refrigerants that minimizes its impact on the environment. It also boasts improved heat exchangers that increase efficiency and performance. The Y34’s design minimizes noise levels, making it ideal for applications where quiet operation is paramount, such as schools and healthcare facilities.

All three models share several key technologies, including fan and motor designs that optimize airflow while reducing energy consumption. Additionally, the series features enhanced insulation, significantly improving thermal performance and reducing the risk of condensation-related issues.

In summary, the York Y33, Y32, and Y34 models represent a commitment to innovation in commercial HVAC systems. Their combination of advanced technology, energy efficiency, and user-friendly design makes them suitable for a variety of applications while promoting sustainability and operational cost-effectiveness. Investing in these units not only supports optimal indoor climate control but also aligns with the growing demand for eco-friendly solutions in today’s commercial landscape.