Nordyne R-410A Installation Instructions Manual Download Page 19 | Manualshive

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Summary of Contents for R-410A

Page 1: ... t eliminate your problem call your servicing contractor Heat Pump Principle of Operation USER S INFORMATION 5 4 1 2 3 6 5 4 3 2 1 6 SUMMER COOLING 1 Indoor air enters the air handler section 2 Cold heat transfer section indoor coil extracts heat from indoor air as refrigerant evaporates from a liquid to a cold gas 3 Refrigerant drawn to heat pump and compressed to a hot gas by heat pump carries t...

Page 2: ...2 ...

Page 3: ...ce ofheat Sustaineduseofelectricresistance heat in place of the heat pump will result in an increase in electric utility costs Defrost During cold weather heating operation the outdoor unit will develop a coating Figure 1 Typical Thermostat OPERATING INSTRUCTIONS TO OPERATE YOUR HEAT PUMP FOR COOLING 1 Set the thermostat system switch to COOL andthethermostatfanswitchtoAUTO See Figure 1 2 Set the ...

Page 4: ...r blower will start immediately and will run continually until the fan switch is reset to AUTO The continuous indoor blower operation can be obtained with the thermostat system switch set in any position including OFF The continuous indoor blower operation is typically used to circulate the indoor air to equalize a temperature unbalance due to a sun load cooking or fireplace operation TO MAINTAINY...

Page 5: ...theunitshould be hosed off after stroms and monthly otherwise to maintain its new appearance SAFETY CONSIDERATIONS Pressures within the System Split system heat pump equipment contains liquid and gaseous refrigerant under pressure Installation and servicing of this equipment should be accomplished by qualified trained personnel thoroughly familiar with this type of equipment Under no circumstances...

Page 6: ...her contaminants General Once outdoor and indoor unit placementhasbeendetermined routerefrigerant tubingbetweentheequipmentinaccordancewith sound installation practices Refrigerant tubing should be routed in a manner that minimizes the length of tubing and the number of bends in the tubing Refrigerant tubing should be supported in a manner that the tubing will not vibrate or abrade during system o...

Page 7: ...um Circuit Ampacity Electrical wiring to the equipment must be compatible and in compliance with the minimum circuit ampacity listed on the outdoor unit data label MaximumFuse CircuitBreakerSize Circuit protectionfortheoutdoorunitmustbecompatible withthemaximumfuse circuitbreakersizelisted on the outdoor unit data label DisconnectSwitch Anelectricallycompatible disconnect switch must be within lin...

Page 8: ...ostat Green Red Brown G R W2 Orange Grey O Y R C Air Handler Heat Pump OD Section Typical Heat Pump with Standard Air Handler W2 C W NOTE Jumper betweenW2 and E is required when no OD T Stat is used For 2 Stage Heater Kits ...

Page 9: ...n Red White G R Grey O Y R C Air Handler Heat Pump OD Section Typical Heat Pump with Outdoor Thermostat and Air Handler W2 C W E A typical installation with a heat pump thermostat air handler and heat pump with an outdoor thermostat ...

Page 10: ...ssure rises above 575 psig then the switch will open and de energize the outdoor unit The switch will close again once the discharge pressure decreasesto460psig Pleasenotethattheswitch interrupts the thermostat inputs to the unit Thus when the switch opens and then closes there will be a 5 minute short cycling delay before the outdoor unit will energize Short Cycle Protection With the system opera...

Page 11: ...r of times consecutively pause and then repeat the process To identify a Flash Code number count the number of consecutive flashes Every time the module powers up the last ALERT Flash Code that occurred prior to shut down is displayed for one minute The module willcontinuetodisplaytheLEDuntilthecondition returns to normal or if 24 VAC power is removed from the module Cooling Gradually lower the th...

Page 12: ... liquid refrigerant in compressor 4 Compressor bearings are seized Measure compressor oil level Yellow ALERT OpenCircuit 1 Outdoorunitpowerdisconnectisopen FlashCode5 2 Compressor circuit breaker or fuse s is open 3 Compressor contactor has failed open Check compressor contactor wiring and connectors Check for compressor contactor failure burned pitted or open Check wiring and connectors between s...

Page 13: ...nt at module s R and C terminals Review 24VAC Power W iring page 4 for R and C wiring Green LED intermittent Determine if R and Y terminals are wired in reverse module powers up only Verify module s R and C terminals have a constant when compressor runs source Review 24VAC Power W iring page 4 for R and C wiring TRIP LED is on but system Verify Y terminal is connected to 24VAC at contactor and com...

Page 14: ...umper is removed or C 10 minutes have elapsed board override Iftheabovestepswillnotinitiateadefrost replace the defrost board Anti Short Cycle Timer Test The5minutetimedelayfeaturecanbebypassed or shortened to 1 second by jumping the Test to C terminal Note If jumper is left on the Test to common pins permanently the defrost cycle will become inoperable Optional Equipment A functional checkout sho...

Page 15: ... CHARTS LEGEND FOR COOLING HEATING MODES OF OPERATION 018K OUTDOOR TEMPERATURE deg F 70 75 80 85 90 95 100 105 Suc Press Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp 133 135 232 89 137 233 100 251 99 139 235 112 253 109 270 107 141 236 120 255 119 273 116 291 116 308 118 143 237 137 258 128 2...

Page 16: ...9 140 149 320 185 341 170 360 158 378 150 393 145 151 343 181 362 168 382 157 398 151 153 365 178 384 166 403 156 155 387 175 406 165 157 408 174 159 030K OUTDOOR TEMPERATURE deg F 70 75 80 85 90 95 100 105 Suc Press Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp 130 132 243 120 134 245 132 265...

Page 17: ... 138 147 323 155 344 149 364 145 383 144 401 143 149 346 160 367 155 387 151 406 149 151 369 165 389 160 410 156 153 392 169 412 165 155 415 174 157 042K OUTDOOR TEMPERATURE deg F 70 75 80 85 90 95 100 105 Suc Press Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp 132 134 241 132 136 242 144 262 ...

Page 18: ...9 145 146 320 186 341 172 361 160 378 155 394 151 148 343 183 363 170 383 160 399 156 150 365 180 385 169 404 160 152 387 179 407 169 154 409 178 156 060K OUTDOOR TEMPERATURE deg F 70 75 80 85 90 95 100 105 Suc Press Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp 124 126 260 140 128 261 151 282...

Page 19: ... 57 261 101 71 276 104 86 291 107 101 320 111 119 346 117 136 373 122 43 254 96 58 267 99 72 281 102 87 295 105 102 327 108 120 353 112 137 380 116 024K OUTDOOR TEMPERATURE DEG F 0 10 20 30 40 50 60 Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Press Press Temp Press Press Temp Press Press Temp Press Press Temp Press Press Te...

Page 20: ...5 54 267 104 68 291 113 82 314 121 97 350 132 114 382 145 131 415 158 41 251 93 55 273 102 69 296 111 83 318 119 98 357 129 115 389 140 132 422 152 036K OUTDOOR TEMPERATURE DEG F 0 10 20 30 40 50 60 Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Press Press Temp Press Press Temp Press Press Temp Press Press Temp Press Press Te...

Page 21: ...6 55 265 104 69 283 113 83 300 121 98 332 130 114 363 140 130 393 150 42 254 94 56 271 102 70 287 111 84 304 119 99 339 127 115 370 136 131 400 144 048K OUTDOOR TEMPERATURE DEG F 0 10 20 30 40 50 60 Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Suc Liquid Disch Press Press Temp Press Press Temp Press Press Temp Press Press Temp Press Press Te...

Page 22: ...mp Press Press Temp 31 223 131 44 253 143 57 283 155 70 313 166 82 329 179 95 355 193 107 381 206 32 230 129 45 259 141 58 288 153 71 316 164 83 336 176 96 362 188 108 388 200 33 237 127 46 265 139 59 292 151 72 320 162 84 343 173 97 369 184 109 395 194 34 244 125 47 271 137 60 297 149 73 324 160 85 350 171 98 376 179 110 402 188 35 251 123 48 277 135 61 302 147 74 327 158 86 357 168 99 383 175 11...

Page 23: ...23 ...

Page 24: ... PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER 7084100 Specifications and illustrations subject to change without notice and without incurring obligations Printed in U S A 08 05 708410p 7084100 ...

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