Nordyne Q3RA-024K User'S Manual & Installation Instructions Download Page 1 | Manualshive

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Summary of Contents for Q3RA-024K

Page 1: ...l system appliance The basic operation of the heating cooling system is described and illustrated on page 1 of this manual The surprising fact that heat exists in air even at below freezing temperatures is actually the basic law of physics which the heat pump uses to provide energy saving heating comfort At outdoor temperatures of 47 Fahrenheit or or 8 Celsius your heat pump can deliver approximat...

Page 2: ...2 ...

Page 3: ...ew these responsibilities with your dealer or service company OPERATING INSTRUCTIONS To Operate Your Heat Pump For Cooling 1 Set the thermostat system switch to COOL and the thermostat fan switch to AUTO See Figure 1 2 Set the thermostat temperature selector to the desired cooling temperature The outdoor unit fan the indoor blower and the compressor will all cycle on and off to maintain the indoor...

Page 4: ...it Thermostat The single package air conditioner is completely assembled factory wired and factory runtested The units are ready for easy and immediate installation Use of components other than those specified may invalidate ARI Certification Code Agency Listing and limited warranty on the air conditioner PRE INSTALLATION CHECK Before any installation is attempted the cooling load of the area to b...

Page 5: ...oosen the four screws that hold the transition duct in order to install the supply fitting Re tighten when installation is complete Tap collar as necessary to ensure engagement with unit opening and install second screw Tighten first screw Rotate collar clockwise so joint is near three o clock position RETURN DUCT The 12 return duct is installed in the same mannerasthesupplyduct Iftheduct hasa 14 ...

Page 6: ...e box Floor joists generally are located on 16 centers leaving 14 3 8 between joists After measuring the return air box approximately 12 1 4 x 20 1 4 cut the hole through the floor so that the box will fit between the floor joists Care should be taken when cutting through carpeting to avoid snags In most installations it will be necessary to cut a similar hole in the fiberboard directly under the ...

Page 7: ...or more efficient cooling Note The Y fitting should be insulated for maximum performance Blower Speed The blower speed is preset at the factory for operation at the same speed for heating and cooling For optimum system Elbow P Trap Figure 6 Drain Trap performance and comfort it may be necessary to change the factory set speed To change the blower speed 1 Disconnect all electrical power to the unit...

Page 8: ... fitting making sure it is level Route the condensate from the trap to a suitable drain Any tubing or hose connected must have the outlet below trap level for proper drainage WARNING Turn off electrical power before servicing controls Severe electrical shock may result unless power is turned off Unit must be installed in compliance with the National Electrical Code NEC and local codes ELECTRICAL C...

Page 9: ...Electric Heat FROM BLOWER RELAY I _ _ Green m C W2 Yt R G I i O I _ i 7 I i E INDOOR THERMOSTAT SUB BASE i I L _L I T t J i J J J t J i_ i i J _ _ _ o _Z_ o_ O DEFROST BOARD Optional Outdoor Thermostat Field Supplied Brown i Orange Accessory Heat Plug Typical Wiring Field Supplied for 1 Stage Cool 2 Stage Electric Heat with an Optional Outdoor Thermostat Figure 10 Typical Heat Pump Thermostat Conn...

Page 10: ...tat base See Figure 10 See the ther mostat instructions for details on setting the outdoor thermostat 4 DEFROST CYCLE CONTROL The defrost cycle is initiated via a signal from the defrost sensor on the outdoor coil to the defrost control board inside the control panel indicating the coil temperature is low enough to start accumulating frost The board has interval settings of 30 minutes 60 minutes a...

Page 11: ...m air at the supply registers c System Cooling Set the thermostat system switch to COOL and set the thermostat fan switch to AUTO Position the thermostat temperature selector below the existing room temperature Allow the cooling system to operate for several minutes and check for the discharge of cool air at the supply registers d Short cycle protection The control circuit is equipped with a time ...

Page 12: ...4O 5O 6O 60 Press 2L 21 2a 2__4 2 _s 2O OUTDOOR TEMPERATURE Suc Presa 27 28 29 3O 3t 32 33 4O Suc _eSS 50 51 52 53 54 55 56 5O 60 Note All pressures am listed in psig and all temperatures in degrees F Shaded Boxes indicate flooded conditions I Rated Design Values Suction Pressure v_ll be lower than design value if indoor air flow entedng dry bulb or entebng wet bulb temperatures are lower than des...

Page 13: ...press 3 __ s 36 3 _ Z_7 38 39 i 40 I 181 41 J 185 5O 6O m pressi z_ 2_ 2___8 2g 3o 3_Z 2 OUTDOOR TEMPERATURE 20 30 29 30 31 32 33 6O Dise h T_mp 140 40 Suc res_ 58 59 60 61 62 63 64 50 6O Note All pressures are listed in psig and all temperatures in deg F Shaded Boxes indicate flooded conditions r _ _ F_ ted Design Values Suction Pressure will be lower than design value if indoor air flow entedng ...

Page 14: ...198 257 200 269 204 90 261 203 272 206 92 276 208 94 96 2 1 2 Ton OUTDOOR TEMPERATURE F 70 75 80 85 90 95 100 Suct Press DIS Press 3is Temp Dis Press DR Temp DIS Press DIS Temp D_ Press DIS Temp is Press _ Temp DIS Press Dis Temp DIS Press DIS Temp 72 205 163 74 204 163 216 163 76 203 163 216 164 229 164 78 195 158 216 165 229 166 242 167 80 201 163 212 163 230 167 243 169 256 169 82 218 168 23D 1...

Page 15: ...9 292 189 304 191 _1 88 284 192 295 192 308 193 _1 90 299 195 311 195 323 196 m 92 314 197 326 198 _1 94 329 199 I 96 _I1 3 1 2 Ton OUTDOOR TEMPERATURE F _ _ 70 75 80 85 90 95 I 100 185 Suct Press Dis Press ls Temp is Press Dis Temp is Press Dis Temp Dis Press Dis Temp Dis Press DIs Temp Dis Press Dis Temp iDis Press Dis Temp is Press Dis Temp O 70 208 170 O 72 207 171 219 171 _1 74 206 171 219 17...

Page 16: ... 184 ii_ i_ _ 83 257 182 270 184 283 186 85 274 187 286 188 299 191 87 290 190 302 192 89 305 193 91 5 Ton OUTDOOR TEMPERATURE F 70 75 80 85 90 95 100 105 Suct Press Dk Press Dis Tamp DIS Press Dis Temp Dis Press Dis Tamp _is Press Dis Temp Dis Press Dis Temp DIS Press Dis Temp DIS Press Dis Tamp _ is Press Dis Temp 62 198 166 64 197 166 211 167 66 196 166 211 16E 226 170 68 187 160 211 169 226 17...

Page 17: ...46 153 _c _ _ r _ 93 239 156 249 155 260 156 rJ___ 95 253 158 263 157 I 97 266 159 fJ_ I 99 _ 1 o u 2 1 2 Ton _ h OUTDOOR TEMPERATURE I F 70 75 80 85 90 95 100 105 _uct Press D_ Press Dis Temp D_ Press D_ Temp D_ Press 3is Temp Dis Press D_ Temp D_ Press Dis Temp D_ Press Dis Temp Dk Press Dis Temp D_ Press Db Temp 72 172 143 74 171 43 184 144 _ 76 170 143 184 145 197 146 J_ 78 163 139 184 146 197...

Page 18: ...5 245 164 258 164 i_ili_ i_i_i_i 89 249 167 261 166 274 166 91 265 168 276 167 93 279 169 95 3 1 2 Ton OUTDOOR TEMPERATURE F 70 75 80 85 90 95 100 105 Suct Press Dis Press D_ Temp DE Press Dis Temp D_ Press DB Temp D_ Press D_ Temp D_ Press D_ Temp D_ Press D_ Tamp D_ Press D_ Temp _D_ Press D_ Temp 69 178 148 71 176 148 189 149 73 175 148 188 150 201 151 75 163 140 188 151 202 153 215 154 77 169 ...

Page 19: ...7 227 168 242 169 257 171 80 232 172 245 173 259 174 82 84 86 88 90 92 O Pre O Temp 0 o_ 237 176 250 176 263 177 277 179 2 _ 179 26T 180 280 1B_ _ _i _ 271 183 284 183 297 185 287 185 300 186 303 1B8 _ Note All pressures are listed in psig and all temperatures in F o I I o Shaded Boxes indicate flooded conditions I Rated Design Values Suction Pressure will be lower than design value if indoor air ...

Page 20: ...LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER II III III III IIIII IIIII 708299A 708299A Replaces 7082990 Specificationsand illustrationssubjectto change without notice and withoutincurring obligations 11 03 ...

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