Bard QW2S3DA Installation Instructions Manual Download Page 38

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Manual 2100-738C
Page

38 of 73

TABLE 5

Pressure Table

FLOW RATE FOR VARIOUS FLUIDS

The data in the above pressure chart is based on the following flow rates:

Model

Return Air

Temperature

Pressure

FULL LOAD COOLING

–

Fluid Temperature Entering Water Coil °F

30°F

35°F

40°F

45°F

50°F

55°F

60°F

65°F

70°F

75°F

80°F

85°F

90°F

95°F

100°F 105°F 110°F

QW2S

75° DB

62° WB

Low Side

High Side

105
131

107
145

110
160

112
175

114
187

117
206

119
220

122
239

124
259

127
278

129
298

131
317

134
337

136
356

139
376

141
396

144
415

80° DB

67° WB

Low Side

High Side

112
134

115
149

117
164

120
179

122
191

125
211

128
225

130
245

133
265

135
285

138
306

141
326

143
346

146
366

148
386

151
406

154
426

85° DB

72° WB

Low Side

High Side

120
139

123
154

126
170

129
186

132
198

134
219

137
233

140
254

143
275

146
295

148
316

151
337

154
358

157
378

160
399

162
420

165
441

QW3S

75° DB

62° WB

Low Side

High Side

132

146

161

100
176

105
193

109
209

113
227

118
243

119
265

120
286

121
308

122
329

123
351

124
372

125
394

126
415

127
437

80° DB

67° WB

Low Side

High Side

135

150

102
165

107
181

112
197

117
215

121
233

126
249

127
271

128
293

129
316

130
338

131
360

132
382

133
404

134
426

136
448

85° DB

72° WB

Low Side

High Side

140

103
155

109
171

115
187

121
204

126
222

130
241

136
258

137
281

138
304

139
327

140
349

141
372

142
395

143
418

145
441

146
464

QW4S

75° DB

62° WB

Low Side

High Side

146

159

101
173

105
187

109
203

112
219

115
236

119
251

120
273

121
294

121
316

122
338

122
359

123
381

124
403

124
424

125
446

80° DB

67° WB

Low Side

High Side

150

102
163

108
177

112
192

116
208

120
225

123
242

127
258

128
280

129
302

130
324

130
346

131
369

132
391

132
413

133
435

134
458

85° DB

72° WB

Low Side

High Side

104
155

110
169

116
184

121
199

125
215

129
233

132
251

137
267

138
290

139
313

139
336

140
359

141
382

142
405

142
428

143
451

144
474

QW5S

75° DB

62° WB

Low Side

High Side

147

162

177

101
193

104
209

107
227

111
239

112
260

113
282

114
303

115
324

116
345

117
366

118
387

119
408

120
429

121
450

80° DB

67° WB

Low Side

High Side

151

102
166

105
182

108
198

111
215

114
232

119
245

120
267

121
289

122
310

123
332

124
354

125
375

126
397

127
419

128
440

130
462

85° DB

72° WB

Low Side

High Side

105
156

109
172

113
188

117
205

120
222

123
240

128
254

129
276

130
299

131
321

132
344

133
366

135
388

136
411

137
433

138
456

139
478

Model

Return Air

Temperature

Pressure

FULL LOAD HEATING

–

Fluid Temperature Entering Water Coil °F

5°F

10°F

15°F

20°F

25°F

30°F

35°F

40°F

45°F

50°F

55°F

60°F

65°F

70°F

75°F

80°F

85°F

QW2S

70° DB

Low Side

High Side

266

275

283

292

301

310

318

327

106
336

114
345

123
353

131
362

140
371

149
380

158
389

167
397

175
406

QW3S

70° DB

Low Side

High Side

279

290

302

313

324

335

346

357

102
368

110
379

121
392

131
405

142
417

152
430

162
442

173
455

183
467

QW4S

70° DB

Low Side

High Side

272

285

297

310

322

335

347

360

372

103
385

114
398

124
410

134
423

144
436

154
449

165
462

175
475

QW5S

70° DB

Low Side

High Side

265

278

291

304

317

330

343

356

369

106
382

115
394

125
405

134
417

143
429

153
441

162
453

172
465

Model

Return Air

Temperature

Pressure

PART LOAD COOLING – Fluid Temperature Entering Water Coil °F

30°F

35°F

40°F

45°F

50°F

55°F

60°F

65°F

70°F

75°F

80°F

85°F

90°F

95°F

100°F 105°F 110°F

QW2S

75° DB

62° WB

Low Side

High Side

105
120

110
134

115
149

119
164

124
179

128
188

134
208

135
227

137
246

139
265

140
284

142
303

143
322

145
342

146
361

148
380

149
399

80° DB

67° WB

Low Side

High Side

112
123

118
137

123
152

128
168

132
184

136
193

143
213

145
233

146
252

148
272

150
291

152
311

153
331

155
350

157
370

158
390

160
409

85° DB

72° WB

Low Side

High Side

120
127

126
142

132
158

137
174

142
190

147
200

154
220

156
241

157
261

159
281

161
302

163
322

165
342

166
363

168
383

170
403

172
424

QW3S

75° DB

62° WB

Low Side

High Side

124

104
137

109
150

113
164

117
179

121
195

124
211

129
226

130
246

130
266

131
287

132
307

133
328

133
348

134
369

135
389

135
409

80° DB

67° WB

Low Side

High Side

105
127

111
140

116
154

121
168

126
184

130
200

133
216

138
231

139
252

139
273

140
294

141
315

142
336

143
357

143
378

144
399

145
420

85° DB

72° WB

Low Side

High Side

113
131

119
145

125
159

130
174

135
190

139
207

143
224

148
239

149
261

150
283

151
304

151
326

152
348

153
370

154
391

155
413

156
435

QW4S

75° DB

62° WB

Low Side

High Side

104
129

108
142

112
155

116
170

119
185

122
201

125
217

129
232

130
252

131
273

131
293

132
314

133
334

134
355

135
375

136
396

137
416

80° DB

67° WB

Low Side

High Side

111
132

116
145

120
159

124
174

128
190

131
206

134
223

138
238

139
259

140
280

141
301

142
322

143
343

144
364

145
385

146
406

147
427

85° DB

72° WB

Low Side

High Side

119
137

124
150

129
165

133
180

137
196

141
213

144
231

148
246

149
268

150
290

151
311

152
333

153
355

154
377

155
398

156
420

158
442

QW5S

75° DB

62° WB

Low Side

High Side

108
133

111
146

114
160

116
175

118
191

120
207

124
219

124
239

125
259

126
280

126
300

127
321

127
341

128
362

129
382

129
403

130
423

80° DB

67° WB

Low Side

High Side

116
136

119
150

122
164

124
180

127
196

129
212

132
224

133
245

134
266

134
287

135
308

136
329

136
350

137
371

138
392

138
413

139
434

85° DB

72° WB

Low Side

High Side

125
141

128
155

131
170

134
186

136
202

138
220

142
232

143
254

144
275

144
297

145
319

146
341

147
362

147
384

148
406

149
428

149
449

Model

Return Air

Temperature

Pressure

PART LOAD HEATING – Fluid Temperature Entering Water Coil °F

5°F

10°F

15°F

20°F

25°F

30°F

35°F

40°F

45°F

50°F

55°F

60°F

65°F

70°F

75°F

80°F

85°F

QW2S

70° DB

Low Side

High Side

233

243

253

262

272

282

291

301

108
311

119
320

128
328

137
336

146
343

154
351

163
359

172
366

181
374

QW3S

70° DB

Low Side

High Side

257

267

277

287

297

307

317

101
327

110
337

119
347

130
358

141
370

152
381

163
392

174
403

185
414

196
425

QW4S

70° DB

Low Side

High Side

258

267

276

285

294

304

313

322

103
331

112
340

123
351

134
362

145
372

155
383

166
394

177
405

188
415

QW5S

70° DB

Low Side

High Side

250

260

271

282

292

303

313

324

107
335

115
345

125
356

135
367

145
378

155
388

165
399

176
410

186
420

QW2S3

QW3S3

QW4S3

QW5S3

Flow rate required GPM for fresh water

Flow rate required GPM for 15% Methanol

Summary of Contents for QW2S3DA

Page 1: ...NS Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual No 2100 738C Supersedes 2100 738B Date 9 16 20 QW Series Geothermal R 410A Staged Capacity Packaged Heat Pump Models QW2S3DA QW2S3DB QW2S3DC QW3S3DA QW3S3DB QW3S3DC QW4S3DA QW4S3DB QW4S3DC QW5S3DA QW5S3DB QW5S3DC MIS 2736 MIS 2736 ...

Page 2: ...Ports 35 Piping Access to Unit 35 System Start Up 35 Sequence of Operation Cooling 40 Heating 40 Geothermal Logic Control 40 Modulating Water Line Control 41 iSeries Smart Actuator 42 Dehumidification Model Features 43 Special Features 43 Closed Loop Earth Coupled Ground Loop Applications Circulation System Design 54 Copper Water Coil Application 54 Start Up Procedure for Closed Loop System 54 Ope...

Page 3: ...erminals 42 Figure 32 iSeries Smart Actuator Temperature Setpoint 42 Figure 33 iSeries Smart Actuator Temperature Adjustment 43 Figure 34 Cooling Mode and Dehumidification Mode Circuit Diagrams 44 Figure 35 Water Temperature and Pressure Test Procedure 55 Figure 36 Piping Diagram 56 Figure 37 Cleaning Water Coil 59 Figure 38 Water Well System 60 Figure 39 Water Source H P Cooling Cycle 62 Figure 4...

Page 4: ...for Ground Source IGSHPA Heat Pump Systems Soil and Rock Classification for the Design IGSHPA of Ground Coupled Heat Pump Systems Ground Source Installation Standards IGSHPA Closed Loop Geothermal Systems Slinky IGSHPA Installation Guide For more information contact these publishers ACCA Air Conditioning Contractors of America 1712 New Hampshire Avenue Washington DC 20009 Telephone 202 483 9370 Fa...

Page 5: ...ers of unit 4 Single Grundfos UP26 64F pump isolation valves both ends piped with copper to double O ring fittings back corners of unit 5 Single Grundfos UPS26 99 FC pump isolation valves both ends piped with copper to double O ring fittings back corners of unit VOLTS PHASE A 230 208 60 1 B 230 208 60 3 C 460 60 3 COIL OPTIONS C Copper Coaxial Coil N Cupronickel Coaxial Coil NOTE Copper coils appr...

Page 6: ...6x2 ENERGY RECOVERY VENTILATOR ERV Voltage 230 208 60 1 230 208 60 1 ERV Full Load Amps 2 2 2 2 SHIPPING WEIGHT LBS 475 lb 475 lb Specifications 4 and 5 Ton MODELS QW4S3 A QW4S3 B QW4S3 C QW5S3 A QW5S3 B QW5S3 C Electrical Rating 60 Hertz 230 208 1 230 208 3 460 3 230 208 1 230 208 3 460 3 Operating Voltage Range 253 197 VAC 414 506 VAC 253 197 VAC 414 506 VAC Minimum Circuit Ampacity 37 28 17 43 ...

Page 7: ...des Model RATED VOLTS Hz PHASE NO FIELD POWER CIRCUITS MINIMUM CIRCUIT AMPACITY MAXIMUM EXTERNAL FUSE OR CIRCUIT BREAKER FIELD POWER WIRE SIZE GROUND WIRE SIZE QW2S3DA0Z QW2S3DB0Z QW2S3DC0Z 230 208 60 1 230 208 60 3 460 60 3 1 1 1 20 14 9 30 20 15 10 12 14 10 12 14 QW3S3DA0Z QW3S3DB0Z QW3S3DC0Z 230 208 60 1 230 208 60 3 460 60 3 1 1 1 27 22 13 40 30 15 8 10 14 10 10 14 QW4S3DA0Z QW4S3DB0Z QW4S3DC0...

Page 8: ...CATION DORFC PUMP ACCESS FOR FLUID CONNECTION FOR FROM BACK OF UNIT OPTIONAL HIGH VOLTAGE ELECTRICAL ENTRANCE FLUID CONNECTION FACTORY CONNECTED CONDENSATE DRAIN CONNECTION 3 4 PVC MALE ADAPTER 4 625 6 00 1 15 16 19 3 3 8 8 3 6 7 8 11 1 2 LEVEL 34 1 4 20 TO FLOOR 1 BETWEEN OPENINGS 30 7 8 5 7 16 OPTIONAL PLENUM BOX RIGHT SIDE VIEW OPTIONAL HIGH VOLTAGE BACK VIEW ELECTRICAL ENTRANCE FREEBLOW OPTION...

Page 9: ...ough the door If the unit can not be slid through the door then the unit will have to be put on a cart and tipped down to roll through the door It is recommended that an appliance cart be used with a strap to hold the unit on the cart The wheels of the unit must be locked If the wheels were allowed to roll the unit could roll off the cart The unit should always be carted from the left side This is...

Page 10: ...t These instructions and any instructions packaged with any separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation Note particularly Start Procedure and any tags and or labels attached to the equipment While these instructions are intended as a general recommended guide they do not supersede any national and or local cod...

Page 11: ...nce to install the duct work See Figure 6 on page 12 MIS 2739 A AIR DIVIDER ELIMINATOR 5 WALL SLEEVE MIST TRIM PIECE SUPPLY AIR ROLLERS BOTTOM RETURN AIR CIRCUIT BREAKER ROTARY OR TOGGLE DISCONNECT ELECTRICAL ACCESS BLOW PLENUM BOX TOP SIDE AND LOCKING COVER LOW VOLTAGE OPTIONAL FREE ELECTRICAL ENTRANCE TOP REAR SIDE VENTILATION PERMANENT HIGH VOLTAGE QW2S QW3S 42 000 QW4S QW5S 48 000 28 7 8 33 7 ...

Page 12: ... 112 289 ATTACHED TO BACK OF UNIT NOTE FOR USE WITH BLANK OFF PLATE OPTION ONLY MIS 4162 NOTE NOT A PICTORIAL REPRESENTATION OF THE ACTUAL SIZES FRONT VIEW Q SERIES SLEEVE MOUNTING BRACKETS 2 ATTACHED TO SHIPPING PALLET SMALL CABINET PART 112 289 2 PLACES LARGE CABINET PART 113 387 2 PLACES SIDE TRIM PART 134 178 7 ...

Page 13: ... WINDOW SILL DIMENSIONS GRILLE CLEARANCE OUTSIDE GRILLE MIS 1614 A THIS DIMENSION MUST REMAIN CONSTANT SPACER FOR WHEN FABRICATING UNIT AND WALL SLEEVE SHOWN WITHOUT SPACER SIZE UNDER UNIT X 2 5 32 750 32 750 RELATIONSHIP BETWEEN UNIT WALL SLEEVE INSULATION 2 500 SILL HEIGHT X 32 750 Mounting Bracket Bard P N Where Used 112 234 Small Cabinet Models 113 387 Large Cabinet Models ...

Page 14: ...IN MINIMUM A INSTALLATION HEIGHT 9 FT MINIMUM REQUIRED UNIT HEIGHT 7 FT 6 IN 10 INSTALLATION HEIGHT 8 FT 9 IN MINIMUM REQUIRED MINIMUM 12 IN TO DUCT BOTTOM 2 IN MINIMUM FROM DUCT FLANGE FLOOR MIS 2741 A MODEL A QW2S QW3S 25 QW4S QW5S 30 DUCT FIXED CEILING DUCT FLANGE SUSPENDED CEILING FIGURE 7 Installation with Free Blow Plenum ...

Page 15: ...nit to the ceiling This extends 20 above the unit for a total height above the floor of 10 7 8 The unit is equipped with a variable speed indoor blower motor which increases in speed with an increase in duct static pressure The unit will therefore deliver proper rated airflow up to the Maximum ESP shown in Table 4 on page 33 However for quiet operation of the air system the duct static should be k...

Page 16: ...the wall If the drain is to be routed through an unconditioned space it must be protected from freezing The drain line must be able to be removed from the unit if it is necessary to remove the unit from the wall MIS 2743 FLOOR OPTION DRAINING EXTERNAL DRAIN TUBE DRAIN HOSE FRONT VIEW WITH CONDENSER DOOR REMOVED ALTERNATE LOOP TO FORM A P TRAP ...

Page 17: ...that the mist eliminator be inspected annually and serviced as required The mist eliminator can be inspected from the outside of the building by looking through the outdoor grille The mist eliminator can be serviced from the outside The outdoor grille must be removed to do so The mist eliminator can be cleaned by washing with soap and water The excess water should be shaken off the mist eliminator...

Page 18: ...e there is a power connector for the lower blower assembly To disconnect this plug the tabs on both sides of the Figure 11 Removal of the Q TEC Energy Recovery Ventilator FRONT FILL MOUNTING SCREWS LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS plug must be squeezed to release the plug While squeezing the tabs pull the plug out of the socket 4 The QERV is plugged into the unit on the right...

Page 19: ...ld supplied lag bolts The fluid piping connections are to be within the confines of this bracket See Figure 1 on page 8 for cabinet openings and location of fluid coil connection points 2 Position the unit in front of the wall mounting bracket 3 Remove the locking screws from the wheels see Figure 12 4 Roll the unit up to the wall mounting bracket The unit must be level from side to side If any ad...

Page 20: ... of 73 FIGURE 13 Unit Mounting without Ventilation Wall Sleeve BRACKET WALL MOUNTING BASE TRIM SIDE TRIM CUT TO LENGTH 41 ADJUSTABLE SIDE TRIM EXTENSION KIT ORDERED SEPARATELY SIDE TRIM EXTENSION MIS 2744 A BASE TRIM EXTENSION ...

Page 21: ...Manual 2100 738C Page 21 of 73 FIGURE 14 Component Location WIRE ENTRANCE SIDE FIELD TERMINAL BLOCK REMOTE THERMOSTAT INDOOR DUAL BLOWERS CONTROL BOX CIRCUIT BREAKER PANEL MIS 2745 ...

Page 22: ...nt leaves the factory wired on 240V tap For 208V operation reconnect from 240V to 208V tap The acceptable operating voltage range for the 240 and 208V taps are as noted in Table 2 NOTE The voltage should be measured at the field power connection point in the unit and while the unit is operating at full load maximum amperage operating condition TABLE 2 Operating Voltage Range TABLE 3 Wall Thermosta...

Page 23: ... feeds through Pin 9 of Plug P2 The W1 E terminal is the emergency heat signal and feeds through Pin 3 of Plug P2 The L terminal is used as an input terminal when a CS2000 infrared occupancy device is used It feeds through Pin 12 of Plug P2 The D terminal is used only of dehumidification models and feeds through Pin 1 of Plug P2 LOW VOLTAGE CONNECTIONS FOR DDC CONTROL Fan Only Energize G Ventilati...

Page 24: ...r Temp and Humidity Part 8403 060 C 4115 102 E A W2 Y1 R Y2 Temp and Humidity Controller D YO Orange Orange Yellow Green Brown Brown White Red White PLUG 2 PLUG 1 Red Red Yellow Black White 1 Terminal 1 Black Strip WITH CO2 CONTROL FOR ENERGY RECOVERY VENTILATOR WITH CO2 CONTROL DO NOT CONNECT A OCCUPANCY INPUT BETWEEN THERMOSTAT AND LOW VOLTAGE TERMINAL STRIP DO MAKE THIS CONNECTION WHEN APPLYING...

Page 25: ...hermostat Wiring Diagram D Thermostat Option PLUG 2 Purple White D YO Pink Black White Red White Brown Blue Yellow Orange Brown White Purple Red Yellow Temp and Humidity Controller Part 8403 060 L W1 E G O B R Y1 W2 A Y2 C 4115 100 A 2 12 10 11 9 8 7 6 5 4 3 1 ...

Page 26: ...e Pink Purple Purple White Yellow Yellow W1 E L G D YO Part 8403 060 CO2 OUT 5 C 24VAC Y2 Controller A 1 W2 2 Y1 3 R 4 O B Part 8403 067 6 Temp and Humidity CO2 Controller TEMP OUT Orange Orange Orange Yellow Green Green Brown Brown White 4115 101 E FIGURE 18 Factory Mounted Thermostat and CO2 Vent Control Wiring Diagram H Thermostat Option ...

Page 27: ...ed Yellow Red White PLUG 2 Black Black White 2 1 2 Black FOR DEHUMIDIFICATION MODELS EQUIPPED WITH FACTORY HOT GAS REHEAT CONNECT SIGNAL FOR HUMIDISTAT TO PURPLE WHITE WIRE FOR ENERGY RECOVERY VENTILATOR WITH CO2 CONTROL DO NOT CONNECT A OCCUPANCY INPUT BETWEEN THERMOSTAT AND LOW VOLTAGE TERMINAL STRIP DO MAKE THIS CONNECTION WHEN APPLYING A COMMERCIAL ROOM VENTILATOR WITH CO2 CONTROL 4115 105 B F...

Page 28: ...Pink Purple White Purple OR CS9BE THO Black White COMPLETESTAT TEMPERATURE HUMIDITY AND OCCUPANCY CONTROLLER BARD PART CS9B THO 4115 108 Orange Yellow Brown Brown White Red White Red White 7 Red White 7 Red White 7 Red Yellow 2 Black White FIGURE 20 Factory Mounted Completestat with Occupancy Sensing and Temperature Humidity Control 1 3 Option Wiring Diagram ...

Page 29: ...Purple White Purple OR CS9BE THOC Black White COMPLETESTAT TEMPERATURE HUMIDITY OCCUPENCY AND CO2 CONTROLLER BARD PART CS9B THOC 4115 109 Orange Yellow Brown Brown White Red White Red White Red White Red White 7 7 7 Red Yellow 2 Black White FIGURE 21 Factory Mounted Completestat with Occupancy Sensing and Temperature Humidity CO2 Control 2 4 Option Wiring Diagram ...

Page 30: ...2 SC W2 A D Blue Pink Purple White Purple Either THOA or THOCA version can be used For THOA vent output A limits vent operation to 3 occupied periods For THOCA vent output A operates vent based on CO2 level BARD PART CS9B THOCA OR CS9BE THOCA 4115 119 2 1 Notes COMPLETESTAT TEMPERATURE HUMIDITY AND OCCUPANCY CONTROLLER BARD 1 PART CS9B THOA OR CS9BE THOA COMPLETESTAT TEMPERATURE HUMIDITY OCCUPANCY...

Page 31: ... over the valve s locking posts see Figure 24 Once the actuator is flush with valve body turn actuator clockwise and lock into position 4 To ensure the actuator will function correctly at start up there are two checks to conduct First verify the manual operation button circular button on top of iSeries Smart Actuator is in the upmost position If the button has been manipulated operated at any poin...

Page 32: ...elp accommodate room comfort during dehumidification High Pressure Switch This unit is equipped with a high pressure switch that will stop the compressor in the event of abnormal high pressure occurrences The high and low pressure switches are included in a lockout circuit that is re settable from the room In the event of a high or low pressure switch lockout a visual indication can be seen from t...

Page 33: ...ith three phase scroll compressors are equipped with a three phase line monitor to prevent compressor damage due to phase reversal The phase monitor in this unit is equipped with two LEDs If the Y signal is present at the phase monitor and phases are correct the green LED will light and contactor will energize If phases are reversed the red fault LED will be lit and compressor operation is inhibit...

Page 34: ...igh Altitude Installations CAL Used for Field Calibration 1 Damper should be fully closed at 700 ppm if not Potentiometer R7 can be adjusted clockwise CW to close it If it is fully closed at 700 ppm or lower no adjustments required 2 Blade as referenced to the Blade Position Label PRESS UP AND DOWN ARROWS TO ENTER CONFIGURATION MODE USE ARROWS TO SELECT SETTING PUSH MIDDLE BUTTON TO CHANGE CONTROL...

Page 35: ... and from the coaxial water coil is intended to enter exit the unit through the rectangular hole See Figures 1 page 8 8A page 14 27 page 36 and 28 page 37 The connections on the water coil are a double O ring with a retainer nut that secures it in place Various double O ring fittings are available to make it possible to connect to the coaxial coil with various methods and materials The methods inc...

Page 36: ...SHIPPED WITH UNIT CEILING SIDE TRIM PIECES SHIPPED WITH UNIT IF THE WALL THICKNESS IS LESS THAN 14 BUT GREATER THAN 8 A SIDE TRIM EXTENSION KIT QSTX42 IS REQUIRED REFER FLUID ACCESS FROM SLEEVE TOP OF UNIT SLEEVE FLUID ACCESS 3 x 8 FLUID ACCESS REAR OF UNIT BACK OF UNIT MIS 2746 FROM FLOOR 35 x 29 1 2 FLOOR FROM EACH SIDE FLUID ACCESS WALL OPENING FROM EACH SIDE OPENING IN MOUNTING BRACKETS SHIPPE...

Page 37: ...t without Ventilation Wall Sleeve 23 1 2 8 1 2 66 1 2 4 LEFT BRACKET REMOVED FOR FLOOR FLUID ACCESS FROM FLOOR FLUID ACCESS FROM TOP CLARITY WALL BRACKET OPENING IN REAR OF UNIT 3 x 8 BACK OF UNIT MIS 2747 WATER LINES WALL BRACKET TOP VIEW WALL BRACKET WALL LOCATION ...

Page 38: ...51 291 59 304 67 317 75 330 82 343 90 356 98 369 106 382 115 394 125 405 134 417 143 429 153 441 162 453 172 465 Model Return Air Temperature Pressure PART LOAD COOLING Fluid Temperature Entering Water Coil F 30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F 95 F 100 F 105 F 110 F QW2S 75 DB 62 WB Low Side High Side 105 120 110 134 115 149 119 164 124 179 128 188 134 208 135 227 137...

Page 39: ...S QW5S QPBX48 10 V Platinum Vinyl QPBX48 10 4 Gray Paint QPBX48 10 X Beige Paint Use with QPB48 or QPBS48 adjusts to ceilings up to 10 5 Cabinet Extensions for Ducted Applications Unit Compatibility QCX10A V Platinum Vinyl QCX10A 4 Gray Paint QCX10A X Beige Paint 20 height adjusts for ceilings up to 9 7 add QPBX42 9 for 9 7 to 10 3 finished ceiling heights QW2S QW3S QCX15A V Platinum Vinyl QCX15A ...

Page 40: ...ses SEQUENCE OF OPERATION Alarm Output The L terminal has 24 volts applied when a hard lockout occurs This can be used to drive a fault light or low voltage relay NOTE Both high and low pressure switch controls are inherently automatic reset devices The high pressure switch and low pressure switch cut out and cut in settings are fixed by specific heat pump model The lockout features both soft and ...

Page 41: ...eared the controller restarts the unit If a second fault occurs the controller will lockout the unit until the control is reset by breaking Y signal from thermostat The last fault will be kept in memory after a full lockout this is only cleared by cycling the unit power Modulating Water Line Control On a call for cooling or heat pump Y signal from thermostat the Y terminal has 24 volts applied and...

Page 42: ... airstream and the leads of the thermistor are positioned on the modulating water line board thermistor terminals For more information on the iSeries Smart Actuator setpoint see the following Setpoint section Setpoint As previously mentioned the iSeries Smart Actuator operates the valve to maintain a fixed setpoint The setpoint temperature is set using the setpoint dial located on top of the actua...

Page 43: ...ess while at the same time large amounts of moisture can be extracted from the passing air stream See Dehumidification Sequence of Operation for specific operating sequences and review the tables for performance on sensible and latent capacities water removal ratings and supply air delivery conditions The dehumidification refrigerant reheat circuit is controlled by a 3 way valve in the refrigerati...

Page 44: ...T DIAGRAM WATER 4 WAY WATER EXPANSION VALVE WATER HEAT PUMP DEHUMIDIFICATION VALVE HEAT PUMP COOLING MODE CIRCUIT DIAGRAM CHECK EXPANSION VALVE FILTER VALVE 4 WAY DRIER 4 WAY WATER EXPANSION VALVE BULB CHECK VALVE COMPRESSOR COIL MIS 3120 OPEN VALVE DISTRIBUTOR INDOOR COIL WATER BULB VALVE CIRCUIT OPEN CIRCUIT CHECK FIGURE 34 Cooling Mode and Dehumidification Mode Circuit Diagrams ...

Page 45: ...0 8 5 64 00 59 9 57 2 70 25 0 16 2 8 8 8 3 64 80 59 7 57 1 75 24 8 16 3 8 5 8 0 65 73 59 4 57 0 80 24 7 16 4 8 3 7 8 66 40 59 4 57 1 85 24 5 16 5 8 0 7 5 67 35 59 5 57 3 90 24 3 16 6 7 7 7 3 68 31 59 6 57 7 95 24 0 16 7 7 3 6 9 69 58 59 8 58 1 100 23 6 16 8 6 8 6 4 71 19 60 1 58 7 65 75 DB 66 7 WB 25 5 14 8 10 7 10 1 58 04 61 1 58 7 70 25 4 14 9 10 5 9 9 58 66 60 8 58 5 75 25 3 15 1 10 2 9 6 59 68...

Page 46: ...63 3 100 0 9 2 3 3 2 3 0 77 8 63 8 65 75 DB 65 5 WB 11 2 4 3 6 9 6 5 69 7 60 8 70 9 6 3 2 6 4 6 0 71 1 61 5 75 8 1 2 1 6 0 5 7 72 4 61 9 80 6 7 1 0 5 7 5 4 73 8 62 8 85 5 3 0 0 5 3 5 0 75 0 63 4 90 4 0 1 0 5 0 4 7 76 3 64 0 95 2 7 2 0 4 7 4 4 77 4 64 5 100 1 5 2 9 4 4 4 2 78 5 65 1 65 75 DB 66 7 WB 11 7 3 8 7 9 7 5 70 4 62 0 70 10 2 2 6 7 6 7 2 71 8 62 7 75 8 7 1 5 7 2 6 8 73 1 63 2 80 7 2 0 5 6 7...

Page 47: ... 7 54 9 70 37 3 23 4 13 9 13 1 62 73 56 9 55 1 75 35 9 22 8 13 1 12 4 63 51 57 1 55 2 80 35 3 22 5 12 8 12 1 63 74 57 5 55 7 85 34 1 22 0 12 1 11 4 64 52 58 0 56 1 90 32 8 21 4 11 4 10 8 65 24 58 6 56 4 95 31 3 20 7 10 6 10 0 66 13 59 3 56 9 100 29 7 20 1 9 6 9 1 67 68 60 1 57 4 65 75 DB 66 7 WB 39 2 22 3 16 9 15 9 56 89 57 9 56 3 70 38 4 21 9 16 5 15 6 57 03 58 0 56 5 75 37 0 21 3 15 7 14 8 57 57...

Page 48: ...6 65 75 DB 65 5 WB 16 0 3 1 12 9 12 2 71 6 59 5 70 16 3 3 6 12 7 12 0 71 1 59 4 75 15 7 3 4 12 3 11 6 71 2 59 4 80 14 7 2 6 12 1 11 4 72 2 60 0 85 12 8 1 1 11 7 11 0 73 8 60 8 90 10 3 1 0 11 3 10 7 76 1 61 8 95 7 0 3 8 10 8 10 2 79 1 63 2 100 3 0 7 2 10 2 9 6 82 9 64 8 65 75 DB 66 7 WB 17 0 2 1 14 9 14 1 72 7 60 7 70 17 3 2 5 14 8 14 0 72 2 60 6 75 16 7 2 4 14 3 13 5 72 3 60 6 80 15 7 1 5 14 2 13 ...

Page 49: ... 1 58 88 54 6 53 0 70 50 8 30 1 20 7 19 5 59 25 55 3 53 5 75 49 4 29 7 19 7 18 6 60 12 55 2 53 3 80 49 1 29 4 19 7 18 6 59 88 55 9 54 1 85 48 3 29 1 19 2 18 1 60 25 55 9 54 1 90 47 6 29 0 18 6 17 5 60 92 55 7 53 4 95 46 9 28 8 18 1 17 1 61 41 55 3 53 5 100 46 3 28 8 17 5 16 5 62 20 54 7 52 9 65 75 DB 66 7 WB 53 3 28 7 24 6 23 2 53 85 55 8 54 3 70 52 4 28 3 24 1 22 7 54 01 56 4 54 9 75 51 0 27 9 23...

Page 50: ... 64 2 65 75 DB 65 5 WB 27 1 7 3 19 8 18 7 68 4 56 9 70 24 8 5 4 19 4 18 3 70 1 57 8 75 21 7 3 3 18 4 17 4 71 9 58 7 80 18 9 1 0 17 9 16 9 74 1 59 8 85 15 3 1 5 16 8 15 8 76 4 61 0 90 11 1 4 2 15 3 14 4 78 9 62 3 95 6 5 7 1 13 6 12 8 81 6 63 7 100 1 4 10 2 11 6 10 9 84 5 65 2 65 75 DB 66 7 WB 28 8 6 4 22 4 21 1 69 2 57 9 70 26 5 4 5 22 0 20 8 70 9 58 8 75 23 3 2 4 20 9 19 7 72 8 59 7 80 20 6 0 0 20...

Page 51: ... 3 59 38 55 1 53 3 70 59 2 34 9 24 3 22 9 58 95 55 7 53 7 75 57 3 34 1 23 2 21 9 59 51 56 0 53 9 80 56 6 33 8 22 8 21 5 59 72 56 4 54 3 85 55 7 33 9 21 8 20 6 60 86 56 5 54 5 90 55 0 34 6 20 4 19 2 62 91 56 3 54 6 95 54 6 35 7 18 9 17 8 65 38 55 9 54 7 100 54 5 37 3 17 2 16 2 68 44 55 4 54 7 65 75 DB 66 7 WB 62 3 34 2 28 1 26 5 54 90 56 2 54 7 70 60 6 32 9 27 7 26 1 54 29 56 8 55 1 75 58 8 32 1 26...

Page 52: ... 1 83 5 64 2 65 75 DB 65 5 WB 28 3 6 6 21 7 20 5 70 2 58 4 70 25 7 4 6 21 1 19 9 71 6 59 0 75 22 6 2 4 20 2 19 1 73 1 59 6 80 19 6 0 0 19 6 18 5 75 0 60 6 85 16 2 2 7 18 9 17 8 77 1 61 6 90 12 5 5 7 18 2 17 2 79 3 62 8 95 8 5 8 9 17 4 16 4 81 8 64 0 100 4 3 12 4 16 7 15 8 84 5 65 4 65 75 DB 66 7 WB 29 7 5 2 24 5 23 1 71 2 59 6 70 27 0 3 3 23 7 22 4 72 6 60 2 75 23 9 1 1 22 8 21 5 74 1 60 8 80 20 9...

Page 53: ...ed X X X X X Y1 Y2 G A Full Load Heat Pump Occupied X X X X X X X Y1 Y2 G D Full Load Heat Pump Dehum Unoccupied X X X X X Y1 Y2 G D A Full Load Heat Pump Dehum Occupied X X X X X X X Y1 Y2 G W2 Part Load Heat Pump w Aux Heat Unoccupied X X X X X X X Y1 Y2 G W2 Part Load Heat Pump w Aux Heat Occupied X X X X X X X X X Y1 Y2 G W2 D Part Load Heat Pump w Aux Heat Dehum Unoccupied X X X X X X X Y1 Y2...

Page 54: ...ing ground loop and cooling tower only and is not recommended for open well application Start Up Procedure for Closed Loop System 1 Be sure main power to the unit is OFF at disconnect 2 Set thermostat system switch to OFF and fan switch to AUTO 3 Move main power disconnect to ON Except as required for safety while servicing do not open the unit disconnect switch 4 Check system air flow for obstruc...

Page 55: ...s Smart Actuator several times to make sure the water valve is loose and not seized before operation This simple step will provide assurance the 3 way water valve is free to move once power is applied IMPORTANT Operator must be removed from the valve body and ball valve must be in the full open position before soldering Valve is shipped in the full closed position FIGURE 35 Water Temperature and P...

Page 56: ...Flow Valve 7 provides correct flow of water to the unit regardless of variations in water pressure Observe the water flow direction indicated by the arrow on the side of the valve body Table 12 shows the flow rate of each valve Two constant flow rate valves may be installed in parallel to increase the flow For example when a 8603 007 6 GPM and 8603 011 5 GPM are installed in parallel the total flo...

Page 57: ...ld stop 5 Fully open the manual inlet and outlet valves 6 Check water flow A Connect a water flow meter to the drain cock between the constant flow valve and the solenoid valve Run a hose from the flow meter to a drain or sink Open the drain cock B Check the water flow rate through constant flow valve to be sure it is the same as the unit is rated for C When water flow is okay close drain cock and...

Page 58: ...rrosive water acid water generally not the case with ground water or galvanic reaction between dissimilar metals in the presence of water By using plastic plumbing or dielectric unions galvanic reaction is eliminated The use of corrosion resistant materials such as the Cupronickel coil through the water system will reduce corrosion problems significantly 4 Scale Formation Of all the water problems...

Page 59: ... pump suspended in the dry well casing Jet pumps and other types of suction pumps normally consume more electrical energy than similarly sized submersible pumps Pipe the unit the same as a water well system D Size the pump to provide necessary GPM for the ground water heat pump A 12 GPM or greater water flow rate is required on all modes when used on this type system E A pressure tank should be in...

Page 60: ...0 of 73 FIGURE 38 Water Well System 12 to 15 LAKE or POND WATER LEVEL GRAVEL FILL WELL CAP ELECTRICAL LINE PITLESS ADAPTER TO PRESSURE TANK SUBMERSIBLE PUMP PERFORATED PLASTIC CASING DROP PIPE WATER SUPPLY LINE 15 to 20 DEEP ...

Page 61: ...ature In milder climates a flooded tower concept is often used This concept involves adding makeup water to the cooling tower sump to maintain the desired loop temperature Units are equipped with double O ring female pipe thread fittings Consult the specification sheets for sizes Teflon tape sealer should be used when connecting to the unit to ensure against leaks and possible condenser fouling Do...

Page 62: ...Manual 2100 738C Page 62 of 73 FIGURE 39 Water Source Heat Pump Cooling Cycle ...

Page 63: ...Manual 2100 738C Page 63 of 73 FIGURE 40 Water Source Heat Pump Heating Cycle ...

Page 64: ... through a 5 minute delay on break plus random start sequence If no fault is found on next run cycle compressor will continue operation If fault reoccurs hard lockout will be initiated and the fault signal is sent to the L terminal Flow Switch Terminals FS1 and FS2 Circuit will be proved as closed prior to energizing CC terminal If float switch opens compressor will go into soft lockout mode and c...

Page 65: ...w standard testing procedures to confirm the problem The LED status code and error can be diagnosed by following the light sequences in the multi status LED table Table 14 If a wiring fault is suspected return to the wiring diagram located on the unit door and carefully inspect all external wiring and wiring connections Testing the Sensors A good quality test meter capable of measuring up to 5 000...

Page 66: ... 13474 103 0 5446 10 0 118108 28 0 36583 66 0 13137 104 0 5326 9 0 114272 29 0 35548 67 0 12810 105 0 5208 8 0 110575 30 0 34545 68 0 12492 106 0 5094 7 0 107010 31 0 33574 69 0 12183 107 0 4982 6 0 103574 32 0 32634 70 0 11883 108 0 4873 5 0 100260 33 0 31723 71 0 11591 109 0 4767 4 0 97064 34 0 30840 72 0 11307 110 0 4663 3 0 93981 35 0 29986 73 0 11031 111 0 4562 2 0 91008 36 0 29157 74 0 10762...

Page 67: ... w o TWV X X Three Way Valve no Dehumidification X X Full Part Load Clg or Htg with Dehum no TWV X X X X Full Part Load Clg or Htg with TWV no Dehum X X X X Dehumidification X X X Full Part Load Clg or Htg with Dehumidification X X X X X TABLE 16 Modulating Water Line Control Board Logic NOTE When a Y signal becomes active during a dehumidification cycle the Y signal will have a 75 second time del...

Page 68: ...listen for another click as the solenoid returns to its original position 3 If clicks can t be heard shut off power remove the control circuit molded plug from the compressor and measure the solenoid coil resistance see Table 17 4 Next check the molded plug Voltage Check Apply control voltage to the plug wires 18 to 28 volt ac The measured dc voltage at the female connectors in the plug should be ...

Page 69: ...f it s air noise cabinet duct or motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check filter Use low pressure drop filter Check correct duct restrictions Symptom Cause Procedure Noisy blower or cabinet Check for loose blower housing panels etc High static creating high blower speed ...

Page 70: ...trol module is now completely detached from the motor Verify with a standard ohmmeter that the resistance from each motor lead in the motor plug just removed to the motor shell is 100K ohms Refer to Figure 45 Measure to unpainted motor end plate If any motor lead fails this test do not proceed to install the control module THE MOTOR IS DEFECTIVE AND MUST BE REPLACED Installing the new control modu...

Page 71: ...d Motor Winding Defective Air Volume Low Air Filters Dirty Undersized or Restricted Ductwork Auxillary Heat Upstream of Coil Compressor Will Not Run No Power at Contactor Compressor Will Not Run Power at Contactor Compressor Hums But Will Not Start Compressor Cycles on Overload Thermostat Check Light Lite Lockout Relay Compressor Off on High Pressure Control Compressor Off on Low Pressure Control ...

Page 72: ...r Describe ________________________________________________________________ Type of Antifreeze________________ of Antifreeze __________ Freezepoint F _________ Piping Material ____________ Diameter of Loop Pipe ______ Diameter of Header Pipe _____ Length of Loops ________ Pressurized Non Pressurized Flow Center _____________________ If Horz Trench Loops per trench ____ L x W x D of trenches ______...

Page 73: ...________ __________ __________ 14 Wet Bulb Supply Air Temp F __________ __________ __________ __________ 15 Return Static Pressure WC __________ __________ __________ __________ 16 Supply Static Pressure WC __________ __________ __________ __________ Refrigerant Data 1st Stg Cool 2nd Stg Cool 1st Stg Heat 2nd Stg Heat 17 Head Pressure psi __________ __________ __________ __________ 18 Suction Pres...

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