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26

NSZ/NDZ INSTALLATION MANUAL 

Pressure/Temperature Conversion Chart for R-410A

PRESSURE  

(PSIG)

TEMP 

°F

PRESSURE  

(PSIG)

TEMP 

 °F

PRESSURE  

(PSIG)

TEMP  

°F

PRESSURE  

(PSIG)

TEMP 

 °F

PRESSURE  

(PSIG)

TEMP  

°F

60

8.5

180

63.5

300

96.3

420

120.6

540

140.0

62

9.9

182

64.2

302

96.8

422

120.9

542

140.3

64

11.2

184

64.8

304

97.2

424

121.3

544

140.6

66

12.5

186

65.5

306

97.7

426

121.6

546

140.9

68

13.8

188

66.1

308

98.1

428

122.0

548

141.2

70

15.1

190

66.8

310

98.6

430

122.3

550

141.4

72

16.3

192

67.4

312

99.0

432

122.7

552

141.7

74

17.5

194

68.0

314

99.5

434

123.0

554

142.0

76

18.7

196

68.7

316

99.9

436

123.4

556

142.3

78

19.8

198

69.3

318

100.4

438

123.7

558

142.6

80

21.0

200

69.9

320

100.8

440

124.1

560

142.9

82

22.1

202

70.5

322

101.2

442

124.4

562

143.2

84

23.2

204

71.1

324

101.7

444

124.8

564

143.5

86

24.3

206

71.7

326

102.1

446

125.1

566

143.7

88

25.4

208

72.3

328

102.5

448

125.4

568

144.0

90

26.5

210

72.9

330

103.0

450

125.8

570

144.3

92

27.5

212

73.5

332

103.4

452

126.1

572

144.6

94

28.6

214

74.1

334

103.8

454

126.5

574

144.9

96

29.6

216

74.7

336

104.2

456

126.8

576

145.1

98

30.6

218

75.3

338

104.7

458

127.1

578

145.4

100

31.6

220

75.8

340

105.1

460

127.5

580

145.7

102

32.6

222

76.4

342

105.5

462

127.8

582

146.0

104

33.5

224

77.0

344

105.9

464

128.1

584

146.2

106

34.5

226

77.5

346

106.3

466

128.5

586

146.5

108

35.4

228

78.1

348

106.7

468

128.8

588

146.8

110

36.4

230

78.7

350

107.2

470

129.1

590

147.1

112

37.3

232

79.2

352

107.6

472

129.4

592

147.3

114

38.2

234

79.8

354

108.0

474

129.8

594

147.6

116

39.1

236

80.3

356

108.4

476

130.1

596

147.9

118

40.0

238

80.9

358

108.8

478

130.4

598

148.2

120

40.9

240

81.4

360

109.2

480

130.7

600

148.4

122

41.7

242

81.9

362

109.6

482

131.1

602

148.7

124

42.6

244

82.5

364

110.0

484

131.4

604

149.0

126

43.4

246

83.0

366

110.4

486

131.7

606

149.2

128

44.3

248

83.5

368

110.8

488

132.0

608

149.5

130

45.1

250

84.1

370

111.2

490

132.3

132

45.9

252

84.6

372

111.6

492

132.7

134

46.7

254

85.1

374

112.0

494

133.0

136

47.5

256

85.6

376

112.3

496

133.3

138

48.3

258

86.1

378

112.7

498

133.6

140

49.1

260

86.6

380

113.1

500

133.9

142

49.9

262

87.1

382

113.5

502

134.2

144

50.7

264

87.7

384

113.9

504

134.5

146

51.5

266

88.2

386

114.3

506

134.9

148

52.2

268

88.7

388

114.7

508

135.2

150

53.0

270

89.2

390

115.0

510

135.5

152

53.7

272

89.6

392

115.4

512

135.8

154

54.5

274

90.1

394

115.8

514

136.1

156

55.2

276

90.6

396

116.2

516

136.4

158

55.9

278

91.1

398

116.5

518

136.7

160

56.6

280

91.6

400

116.9

520

137.0

162

57.4

282

92.1

402

117.3

522

137.3

164

58.1

284

92.6

404

117.6

524

137.6

166

58.8

286

93.0

406

118.0

526

137.9

168

59.5

288

93.5

408

118.4

528

138.2

170

60.2

290

94.0

410

118.7

530

138.5

172

60.8

292

94.5

412

119.1

532

138.8

174

61.5

294

94.9

414

119.5

534

139.1

176

62.2

296

95.4

416

119.8

536

139.4

178

62.9

298

95.8

418

120.2

538

139.7

Summary of Contents for NSZ

Page 1: ...ons Hot Water Generation Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance IM1003SN 05 10 NSZ NDZ Installation Manual Geothermal Water Source Indoor Split Heat Pump 2 to...

Page 2: ......

Page 3: ...e Systems 12 Hot Water Generator Connections 13 14 Electrical Data 15 Thermostat Wiring 15 Wiring Schematics 16 17 Microprocessor Control 18 21 Operation Logic Data 22 DIP Switch Settings 22 Refrigera...

Page 4: ...59 56 1 59 56 1 59 74 2 1 90 2 55 92 2 61 108 3 06 52 1 47 56 1 59 90 2 55 92 2 61 104 2 95 Coax and Water Piping Water Connections Size Swivel in mm 1 25 4 1 25 4 HWG Connection Size Swivel in mm 1...

Page 5: ...Model Height Width Depth Water In Water Out Service Valve HWG In HWG Out Low Voltage External Pump Line Voltage Liquid Gas A B C D E F G H J K L M 022 030 19 25 22 50 26 50 1 93 6 93 8 44 11 55 13 43...

Page 6: ...blower coil units air coils must be installed as specified by the manufacturer s installation instructions however the following recommendations should be considered to minimize noise and service prob...

Page 7: ...ndlers used with dual capacity units must be capable of operating with a minimum of 2 blower speeds Refer to the manufacturer s instructions for the blower coil unit for details on installing the air...

Page 8: ...T o Thermostat Up Flow Fossil Fuel Furnace Condensate Drain must be trapped A or Slab Coil Supply Duct Air Temperature Limit Switch to prevent compressor operation when entering air is greater than 9...

Page 9: ...ion Tighten the connectors by hand then gently snug the fitting with pliers to provide a leak proof joint When connecting to an open loop ground water system thread the 1 in MPT fitting SCH80 PVC or c...

Page 10: ...olenoid Control Valve Rubber Bladder Pressure Tank Lineset T o Air Handler Flow Regulator Shut Off Valves Water Out Water In From W ell Acc Com Acc NC Acc NO 1 2 3 C R P1 P3 SV Solenoid Valve CC GND C...

Page 11: ...pm Less than 5 ppm Total Dissolved Solids TDS Less than 1000 ppm 1000 1500 ppm 1000 1500 ppm LSI Index 0 5 to 05 0 5 to 05 0 5 to 05 Iron Fouling Biological Growth Iron Fe2 Ferrous Bacterial Iron Pote...

Page 12: ...lly 2 5 to 3 GPM of flow per ton of cooling capacity is recommended in earth loop applications Figure 7 Typical Split System Application Closed Loop Earth Coupled Disconnect Thermostat Wire From Air H...

Page 13: ...ot water generator follow these installation guidelines Turn off the power to the water heater 1 Attach a water hose to the water tank drain connection 2 and run the other end of the hose to an open d...

Page 14: ...e tank 2 Open a hot water faucet in the building to bleed air 3 from the system Close when full Open the pressure relief valve to bleed any remaining 4 air from the tank then close If so equipped unsc...

Page 15: ...253 26 0 16 6 82 0 29 0 0 4 5 4 22 4 26 6 40 049 208 230 60 1 197 253 33 0 21 1 96 0 34 0 0 4 5 4 26 9 32 2 50 064 208 230 60 1 197 253 40 0 25 6 118 0 41 0 0 4 5 4 31 4 37 8 60 072 208 230 60 1 197 2...

Page 16: ...CR1 CR2 CR3 CR4 F1and F2 FD HE HP LP PB1 PB2 PS RV SW1 SW2 SW3 SW4 TS Compressor Contactor Condensate overflow sensor DHW pump relay Loop pump relay Fuses Freeze Detection Sensor Heater element High p...

Page 17: ...sition for pulsed L lockout signal and in the ON position for constant L lockout signal 5 DHW pump only in models with hot water generation option 6 Connection of remote unit that does not have a loop...

Page 18: ...n control board allows all inputs and outputs to be displayed on the LEDs for fast and simple control board diagnosis Refer to the Field Selection DIP Switch SW2 1 Hot Water High Limit Domestic Hot Wa...

Page 19: ...The blower starts and operates on low speed Lockout Conditions During lockout mode the appropriate unit and thermostat lockout LEDs will illuminate The compressor loop pump hot water pump and accesso...

Page 20: ...cription Automatic Reset of Alert Codes Flash Code 1 Long Run Time Thirty alert free on and off cycles to reset automatically Flash Code 2 System Pressure Trip Not applicable Flash Code 3 Short Cyclin...

Page 21: ...ckout condition text or error number A slow flash of 1 second on and off means the heat pump microprocessor SW2 1 is configured for Test Mode or thermostat is miswired Lockout code 10 see Comfort Aler...

Page 22: ...econds Loop Protection 15 F Well Protection 30 F 3 Accessory Relay Allows field selection of the accessory relay to operate with the compressor or fan Fan Comp 4 NOT USED N A N A 5 NOT USED N A N A 6...

Page 23: ...n should be painted with UV resistant paint or covering to insure long insulation life Refrigeration Replace caps after opening system Service ports for attaching refrigerant gauges Insulated Suction...

Page 24: ...te for the additional 20 ft line set Additional refrigerant to be added 20 ft x 0 5 oz 10 oz Solution 10 oz should be added to the recommended charge of 86 oz found in the Charge Amount with NAH Air H...

Page 25: ...izes NOTES The Charge Amount with NAH Air Handler column is based on the charge amount for a NAH Air Handler Compressor Section Split Additional charge will have to be added accordingly for line set l...

Page 26: ...8 5 586 146 5 108 35 4 228 78 1 348 106 7 468 128 8 588 146 8 110 36 4 230 78 7 350 107 2 470 129 1 590 147 1 112 37 3 232 79 2 352 107 6 472 129 4 592 147 3 114 38 2 234 79 8 354 108 0 474 129 8 594...

Page 27: ...2 Heating No Hot Water Generator Entering Water Temp F Water Flow GPM Ton NSZ022 thru NSZ060 NSZ070 NSZ022 thru NSZ070 Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG Discharge Pre...

Page 28: ...2 2 14 8 12 24 39 3 0 145 160 330 360 140 160 375 425 7 17 7 15 4 9 24 39 Second Stage Operation Cooling No Hot Water Generator Entering Water Temp F Water Flow GPM Ton NDZ026 thru NDZ064 NDZ072 NDZ02...

Page 29: ...6 0 5 7 5 3 4 9 4 6 21 7 8 7 3 6 8 6 4 5 9 10 2 3 2 1 2 0 1 9 1 7 13 3 6 3 3 3 0 2 8 2 6 16 5 0 4 6 4 3 4 0 3 7 19 6 5 6 2 5 8 5 4 5 0 5 30 06 038 full load 049 part load 064 full load 072 part load...

Page 30: ...ng set point several degrees and 8 verify high speed blower operation Adjust the cooling setpoint above the room 9 temperature and verify that the compressor and water valve or loop pumps deactivate U...

Page 31: ...suction temperature here at TXV bulb in cooling modes Cooling Cycle Analysis COOLING TXV ACTIVE RIGHT TO LEFT ClgTXV Measure liquid line temperature and pressure here in both heating and cooling mode...

Page 32: ...it LED NORMAL DISPLAY MODE DIAGNOSTIC MODES CURRENT FAULT STATUS INPUTS OUTPUTS 1 OUTPUTS 2 Field Selection DIPS SW2 1 On SW2 1 Off SW2 1 NA SW2 1 NA SW2 1 NA SW2 6 On SW2 6 On SW2 6 Off SW2 6 On SW2...

Page 33: ...erated without a filter Obtaining Parts When ordering service or replacement parts refer to the model number and serial number of the unit as stamped on the serial plate attached to the unit If replac...

Page 34: ...01 TXV 33P609 01 33P609 03 33P609 05 33P609 06 33P609 01 33P609 03 33P609 05 33P609 06 Reversing Valve 33P506 04 33P503 05 33P526 04 33P506 04 33P503 05 33P526 04 Filter Dryer 36P500B01 36P500B02 36P...

Page 35: ......

Page 36: ...Manufactured by WaterFurnace International Inc 9000 Conservation Way Fort Wayne IN 46809 www waterfurnace com 2010 WaterFurnace International Inc 9000 Conservation Way Fort Wayne IN 46809 9794 WaterFu...

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