Nortek P7RE Series Installation Instructions Manual Download Page 1

Single Package air conditioner - Single Stage, r-410a

14 Seer

P7re / PPa3re SerieS

inStallation inStructionS

iMPortant

attention inStallerS:

it is your responsibility to know this product better than your customer. this includes being 
able to install the product according to strict safety guidelines and instructing the customer on 
how to operate and maintain the equipment for the life of the product. Safety should always be 
the deciding factor when installing this product and using common sense plays an important 
role as well. Pay attention to all safety warnings and any other special notes highlighted in the 
manual. improper installation of the furnace or failure to follow safety warnings could result in 
serious injury, death, or property damage.
these instructions are primarily intended to assist qualified individuals experienced in the proper 
installation of this appliance. Some local codes require licensed installation/service personnel 
for this type of equipment. Please read all instructions carefully before starting the installation. 
return these instructions to the customer’s package for future reference.

do not deStroY. PleaSe read careFullY & keeP in a SaFe Place For Future reFerence.

Summary of Contents for P7RE Series

Page 1: ...e plays an important role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety warnings c...

Page 2: ...tions 8 Cooling Only Thermostat 8 Heat Cool Thermostat 10 Blower Speed ECM Motor 10 START UP ADJUSTMENTS 10 Pre Start Checklist 10 Start Up Procedure 10 System Cooling 10 System Heating 10 Refrigerant...

Page 3: ...he information listed below must be followed during the installation service and operation of this unit Unqualified individuals should not attempt to interpret these instructions or install this equip...

Page 4: ...ly and return ducts If practical place the air conditioner and its ducts in an area where they will be shaded from the afternoon sun when the heat load is greatest The length of the supply and return...

Page 5: ...ollar so the edge of the unit opening fits between the flange and the bead 2 Overlap the collar ends keeping the small screw holes underneath 3 Align the holes in the crimped area and install one scre...

Page 6: ...n the air box Connecting the Return Supply Air Flexible Ducts Flexible ducts can be connected to the corresponding fittings with the clamps provided with the ducts See Figure 9 Table 4 page 12 NOTE To...

Page 7: ...installer should become familiar with the wiring diagram before making any electrical connections to the unit Anelectricaldisconnectmustbelocatedwithinsight of and readily accessible to the unit This...

Page 8: ...reaker and do not in any case exceed the maximum size listed on the data label of the unit Thermostat Low Voltage Connections The unit is designed to operate from a 24 VAC Class II control circuit The...

Page 9: ...27 1104 29 1051 30 992 32 Tap T3 1460 22 1415 22 1385 23 1335 24 1275 25 1225 26 1170 27 1120 28 Tap T4 1502 21 1466 22 1437 22 1388 23 1345 23 1305 24 1251 25 1204 26 Tap T5 1565 20 1525 21 1490 21 1...

Page 10: ...Cool Thermostat For the highest efficiency the use of a 2 stage Heating Cooling thermostat is recommended The heat cool thermostatpreventssimultaneousoperationoftheheating and cooling units and is eq...

Page 11: ...valve 2 Measure the liquid refrigerant temperature F at the service valve 3 For the temperature measured determine the required liquid refrigerant pressure from Table 5 page 15 Table 6 page 15 Table 7...

Page 12: ...12 13 1 38 3 2 3 2 5 29 Side View Figure 9 Unit Dimensions A 3 Opening for 12 Diameter Supply Duct 9 15 17 50 9 0 Opening for 14 Diameter Return Duct 10 15 5 5 B 1 3 15 Rear View 3 5 4 5 Ton Model Nu...

Page 13: ...ment des conducteurs en cuivre 3 Ne convient pas aux installations de plus de 150 V a la terre FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE WIRING DIAGRAM Packaged Air Conditioner Single Phase NOTES 1...

Page 14: ...vant de faire letretien 2 Employez uniquement des conducteurs en cuivre 3 Ne convient pas aux installations de plus de 150 V a la terre FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE WIRING DIAGRAM Pack...

Page 15: ...358 150 146 294 137 316 141 338 145 359 150 381 154 148 317 141 338 145 360 149 381 154 404 158 150 317 141 339 145 361 149 382 153 404 158 152 340 145 362 149 383 153 405 157 154 363 149 384 153 406...

Page 16: ...55 146 357 182 378 171 398 162 415 160 148 380 181 401 172 421 164 150 403 181 423 173 152 426 182 154 Suct Press OUTDOOR TEMPERATURE F 70 75 80 85 90 95 100 105 Liq Press Dis Temp Liq Press Dis Temp...

Page 17: ...147 378 172 399 172 421 172 443 172 149 403 176 424 177 446 177 151 428 181 449 181 153 453 185 155 Suct Press OUTDOOR TEMPERATURE F 70 75 80 85 90 95 100 105 Liq Press Dis Temp Liq Press Dis Temp Li...

Page 18: ...40 360 380 400 420 440 460 480 500 520 540 560 580 600 75 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Pressure psig Liquid Temperature F Remove refrigerant when above curve Add refrigerant when...

Page 19: ...19...

Page 20: ...uid Pressure high side _________________________ Stage 1 Suction Pressure low side _________________________ ELECTRICAL SYSTEM Electrical connections tight YES NO Line voltage polarity correct YES NO...

Reviews: