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036-21489-001-C-1004

Unitary Products Group

15

TABLE 3: COOLING CAPACITIES - 20 TON

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON OUTDOOR COIL

85°F

95°F

TOTAL 

CAP.
MBH

POWER

INPUT

KW

SENSIBLE CAPACITY, MBH

TOTAL 

CAP.
MBH

POWER

INPUT

KW

SENSIBLE CAPACITY, MBH

ENTERING DRY BULB, °F

ENTERING DRY BULB, °F

CFM

WB

°F

86

83

80

77

74

71

68

86

83

80

77

74

71

68

9400

72

287

21.3

216

188

159

131

103

-

-

274

22.7

211

183

155

127

99

-

-

67

262

20.7

262

238

210

182

154

126

97

250

22.0

250

232

204

176

148

120

92

62

257

20.3

257

257

257

229

201

173

144

245

21.6

245

245

245

217

189

161

133

57

257

20.3

257

257

257

229

201

173

145

245

21.6

245

245

245

217

189

161

133

9000

72

280

21.2

203

177

151

125

99

-

-

267

22.6

199

173

147

121

95

-

-

67

259

20.6

251

227

201

175

149

123

97

248

21.9

243

222

196

170

144

118

92

62

251

20.2

251

251

248

222

196

170

144

240

21.5

240

240

240

214

188

162

136

57

251

20.3

251

251

248

222

196

170

144

240

21.5

240

240

240

214

188

162

136

8000

72

273

21.2

190

166

143

119

95

-

-

261

22.5

187

163

139

116

92

-

-

67

256

20.5

240

216

193

169

145

121

97

245

21.8

236

212

188

164

141

117

93

62

245

20.1

245

245

239

215

192

168

144

234

21.4

234

234

234

210

186

162

139

57

245

20.2

245

245

239

215

192

168

144

234

21.5

234

234

234

210

186

163

139

7000

72

271

21.0

177

156

135

114

93

-

-

259

22.3

174

153

132

110

89

-

-

-67

251

20.4

222

201

180

159

138

117

96

240

21.6

218

197

176

154

133

112

91

62

243

20.0

243

239

227

205

184

163

142

232

21.2

232

230

221

200

178

157

136

57

243

20.0

243

239

227

205

184

163

142

232

21.3

232

230

221

200

179

157

136

6000

72

268

20.8

164

146

127

109

91

-

-

256

22.1

161

142

124

105

87

-

-

67

245

20.2

205

186

168

149

131

112

94

235

21.4

200

181

163

144

126

107

89

62

240

19.8

240

232

214

195

177

158

140

230

21.0

230

226

208

189

171

152

134

57

240

19.8

240

232

214

195

177

158

140

230

21.0

230

226

208

189

171

152

134

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON OUTDOOR COIL

105°F

115°F

TOTAL 

CAP.
MBH

POWER

INPUT

KW

SENSIBLE CAPACITY, MBH

TOTAL 

CAP.
MBH

POWER

INPUT

KW

SENSIBLE CAPACITY, MBH

ENTERING DRY BULB, °F

ENTERING DRY BULB, °F

CFM

WB

°F

86

83

80

77

74

71

68

86

83

80

77

74

71

68

9400

72

260

24.2

207

179

151

123

95

-

-

246

25.7

203

175

147

119

90

-

-

67

238

23.5

238

227

199

171

142

114

86

225

24.9

225

221

193

165

137

109

81

62

233

23.0

233

233

233

205

177

149

120

221

24.5

221

221

221

192

164

136

108

57

233

23.1

233

233

233

205

177

149

121

221

24.5

221

221

221

193

164

136

108

9000

72

254

24.1

195

169

143

117

91

-

-

241

25.5

191

165

139

113

87

-

-

67

235

23.4

233

217

191

165

139

113

87

223

24.8

223

211

185

159

133

107

81

62

228

22.9

228

228

230

204

178

152

126

216

24.4

216

216

221

195

169

143

117

57

228

23.0

228

228

230

204

178

152

126

216

24.4

216

216

221

195

169

143

117

8000

72

248

24.0

183

159

135

112

88

-

-

236

25.4

179

155

131

108

84

-

-

67

233

23.3

228

207

183

159

135

111

88

221

24.7

221

201

177

154

130

106

82

62

223

22.8

223

223

227

203

180

156

132

211

24.2

211

211

221

197

173

149

125

57

223

22.9

223

223

227

203

180

156

132

211

24.3

211

211

221

197

173

149

125

7000

72

246

18.8

170

149

128

106

85

-

-

233

25.2

166

145

124

102

81

-

-

67

228

18.2

211

191

170

149

128

107

86

216

24.5

205

186

165

144

123

101

80

62

221

17.9

221

220

214

193

172

151

129

209

24.0

209

209

207

186

165

144

123

57

221

17.9

221

220

214

193

172

151

129

209

24.1

209

209

207

186

165

144

123

6000

72

244

13.6

157

138

120

101

83

-

-

231

24.9

153

134

116

97

79

-

-

67

223

13.2

195

176

158

139

121

102

84

212

24.2

189

171

152

134

115

97

78

62

218

12.9

218

217

201

182

164

145

127

207

23.8

207

207

194

175

157

139

120

57

219

13.0

219

217

201

182

164

145

127

207

23.8

207

207

194

176

157

139

120

Summary of Contents for BQ240

Page 1: ...d costly defrosts All units include Powder Paint finish that meets ASTM B 117 1000 hour salt spray standards Two stage cooling provided by dual independent refrigeration circuits with expansion valves...

Page 2: ...DIMENSIONS 20 TON 29 12 ROOF CURB BENEFITS 29 13 UNIT AND CURB APPLICATIONS 29 14 TYPICAL APPLICATIONS 30 15 TYPICAL ROOF TOP INSTALLATION 30 16 Simplicity CONTROL WIRING DIAGRAM 31 LIST OF TABLES Tbl...

Page 3: ...Cooling Only No field installed electric heat G Std Mtr Drive 4 Filters Single Input Econ R Options 3 4 H Std Mtr Drive 4 Filters Single Input Econ Power Exhaust S Option 5 L Std Mtr Drive BAS Ready...

Page 4: ...CQ CPC Controller DFS APS Technicoat Evap Cond Coils Coil Guard CR CPC Controller DFS APS Technicoat Evap Cond Coils Phase Monitor Coil Guard CS CPC Controller DFS APS SS Drain Pan CT CPC Controller...

Page 5: ...in Pan Phase Monitor Coil Guard HU Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Cond Coils HV Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Evap Coil HW Honeywell Exce...

Page 6: ...mplicity Intelli Comfort Controller Technicoat Cond Coil Coil Guard LH Simplicity Intelli Comfort Controller Technicoat Cond Coil Phase Monitor Coil Guard LJ Simplicity Intelli Comfort Controller Tech...

Page 7: ...ase Monitor Coil Guard Hinged Filter Door Toolless Access Panels DE CPC Controller DFS APS Technicoat Cond Coil Hinged Filter Door Toolless Access Panels DF CPC Controller DFS APS Technicoat Cond Coil...

Page 8: ...Door Toolless Access Panels GG Honeywell Excel 10 Controller DFS APS Technicoat Cond Coil Coil Guard Hinged Filter Door Toolless Access Panels GH Honeywell Excel 10 Controller DFS APS Technicoat Cond...

Page 9: ...Coil Phase Monitor Coil Guard Dirty Filter Switch Hinged Filter Door Toolless Access Panels US Technicoat Evaporator Condenser Coils Hinged Filter Door Toolless Access Panels UT Technicoat Evaporator...

Page 10: ...d Coil Coil Guard Hinged Filter Door Toolless Access Panels XH Intelli Comfort w ModLINC Controller Technicoat Cond Coil Phase Monitor Coil Guard Hinged Filter Door Toolless Access XJ Intelli Comfort...

Page 11: ...ockout the compressors when the outdoor air temperature is low or when free cooling is available Anti Short Cycle Protection To aid compressor life an anti short cycle delay is incorporated into the s...

Page 12: ...d Factory installed option only BAS Building Automation System Controls Simplicity Intelli Comfort CONTROL The York Simplicity Intelli Comfort control is factory installed It includes a supply air sen...

Page 13: ...he supply air blower is operating and will drive fully closed when the blower unit shuts down The rain hood is painted to match the basic unit and must be field assembled before installing Power exhau...

Page 14: ...L ECONOMIZER 2 DISPOSABLE FILTERS ECONOMIZER HOOD LONG LASTING POWDER PAINT FINISH TABLE 1 RATINGS MODEL COOLINGCAPACITY1 80 67 95 F 1 Certified in accordance with the Unitary Large Equipment Certifi...

Page 15: ...40 232 214 195 177 158 140 230 21 0 230 226 208 189 171 152 134 57 240 19 8 240 232 214 195 177 158 140 230 21 0 230 226 208 189 171 152 134 AIR ON EVAPORATOR COIL TEMPERATURE OF AIR ON OUTDOOR COIL 1...

Page 16: ...173 206 242 278 KW 13 0 14 0 15 0 16 0 17 0 18 0 19 2 20 3 8000 55 MBH 50 78 113 149 184 220 256 292 KW 12 2 13 0 13 8 14 6 15 4 16 1 17 2 18 2 70 MBH 41 75 109 143 177 211 246 281 KW 13 0 13 8 14 6...

Page 17: ...static pressure and BHP Since no temperature data is given we will assume an air temperature of 70 F Table 5 shows the correction factor to be 0 832 Corrected static pressure 1 5 x 0 832 1 248 IWC Cor...

Page 18: ...036 21489 001 C 1004 18 Unitary Products Group Figure 2 ALTITUDE TEMPERATURE CONVERSION FACTOR...

Page 19: ...7 6 9 5 8 0 2 7 3 6 1 1010 4 0 1 8 5 8 4 9 1 7 6 3 5 3 1 5 6 9 5 8 1 0 7 5 6 3 0 5 7 9 6 7 1020 3 5 1 9 6 1 5 1 1 8 6 5 5 5 1 6 7 1 6 0 1 1 7 8 6 6 0 6 8 3 7 0 1035 3 0 2 0 6 2 5 2 1 9 6 8 5 7 1 7 7 4...

Page 20: ...WG CFM BQ240 6000 8000 9400 WET COIL 0 1 0 1 0 1 ELECTRIC HEAT OPTIONS 18 KW 0 1 0 1 0 1 36 KW 0 1 0 2 0 3 54 KW 0 2 0 3 0 4 72 KW 0 2 0 4 0 6 ECONOMIZER OPTION 0 1 0 1 0 1 HORIZONTAL DUCT CONNECTIONS...

Page 21: ...p o s i t i o n 2 4 V o l t T r a n s f o r m e r T O R E M O T E S E N S O R 2 E T 0 4 7 0 1 3 2 4 I F U S E D O C C W 1 W 2 Y 1 G Y 2 X R S D C R E M O T E M I N P O S The thermostat must provide a...

Page 22: ...RING DISCONNECT T E R M I N A L B L O C K T B 1 G R O U N D L U G T H R E E P H A S E P O W E R S U P P L Y F A C T O R Y O R F I E L D S U P P L I E D D I S C O N N E C T TABLE 10 VOLTAGE LIMITATIONS...

Page 23: ...HEATER OPTION MIN CIRCUIT AMPACITY AMPS MAX FUSE BRKR1 SIZE AMPS RLA EACH LRA EACH MODEL KW2 STAGES AMPS BQ240 208 16 7 150 4 5 19 4 0 0 0 0 100 1 110 E18 13 5 1 37 5 146 9 150 E36 27 0 2 75 1 146 9 1...

Page 24: ...CH LRA EACH MODEL KW2 STAGES AMPS BQ240 208 16 7 150 4 5 19 4 10 0 0 0 110 1 125 E18 13 5 1 37 5 156 9 175 E36 27 0 2 75 1 156 9 175 E54 40 6 2 112 6 177 6 200 E72 54 1 2 150 1 203 7 225 230 16 7 150...

Page 25: ...COIL ROWS DEEP 3 FINS PER INCH 15 FACE AREA Sq Ft 43 3 COMPRESSOR Qty Per Unit 10 TON TANDEM 2 AIR FILTERS QUANTITY PER UNIT 16 X 20 X 2 4 QUANTITY PER UNIT 16 X 25 X 2 4 TOTAL FACE AREA sq ft 20 0 CH...

Page 26: ...ill be provided upon request TABLE 16 MINIMUM CLEARANCES LOCATION CLEARANCE Front 36 Back 24 Less Economizer 49 With Economizer Left Side Filter Access 24 Less Economizer 36 With Economizer Right Side...

Page 27: ...nts with the accessory flange kit panels 2 Connect ductwork to the duct flanges on the rear of the unit OUTDOOR AIR PANEL SIZE 20 TON UNITS 32 1 2 X 43 FIGURE 7 DETAIL X ACCY SIDE SUPPLY RETURN AIR OP...

Page 28: ...D FRONT TABLE 18 FOUR AND SIX POINT LOADS UNIT 4 POINT LOADS LBS TOTAL A B C D 240 2390 514 538 684 654 NOTE These weights are with economizer and 72 kW electric heat UNIT 6 POINT LOADS LBS TOTAL A B...

Page 29: ...036 21489 001 C 1004 Unitary Products Group 29 FIGURE 11 ROOF CURB DIMENSIONS 20 TON FIGURE 12 ROOF CURB BENEFITS FIGURE 13 UNIT AND CURB APPLICATIONS...

Page 30: ...036 21489 001 C 1004 30 Unitary Products Group FIGURE 14 TYPICAL APPLICATIONS FIGURE 15 TYPICAL ROOF TOP INSTALLATION...

Page 31: ...RMINALS ON A LIMITED NUMBER OF THERMOSTATS 3 1 2 4 3 1 2 4 Second stage heating not required on single stage heating units Second stage cooling not required on single stage cooling units Jumper is req...

Page 32: ...electric heat shall be wired for a single power source and include a bank of nickel chro mium elements mounted at the discharge of the supply air blower to provide a high velocity and uniform distribu...

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