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WARNING

These instructions are intended as an aid to qualified,
licensed service personnel for proper installation,
adjustment and operation of this unit. Read these
instructions thoroughly before attempting installation
or operation. Failure to follow these instructions may
result in improper installation, adjustment, service or
maintenance possibly resulting in fire, electrical shock,
property damage, personal injury or death.

RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION

DO NOT DESTROY THIS MANUAL

Please read carefully and keep in a safe place for future reference by a serviceman.

INSTALLATION INSTRUCTIONS

PACKAGE HEAT PUMP & AIR CONDITIONER
FEATURING R-410A

14 SEER SERIES - (2-5Tons)

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Summary of Contents for EHK-08G

Page 1: ...ese instructions may result in improper installation adjustment service or maintenance possibly resulting in fire electrical shock property damage personal injury or death RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION DO NOT DESTROY THIS MANUAL Please read carefully and keep in a safe place for future reference by a serviceman INSTALLATION INSTRUCTIONS PACKAGE HEAT PUMP AI...

Page 2: ...1 UNIT CLEARANCE 10 TABLE 6 1 14 SEER HEAT PUMP W WITHOUT ELECTRIC HEAT 15 TABLE 6 2 14 SEER PHYSICAL DATA 16 TABLE 7 1 DUCT APPLICATION 208V 17 TABLE 7 2 DUCT APPLICATION 230V 18 TABLE 7 3 7 4 7 5 REFRIGERANT CHARGE FOR H P SYSTEM 20 TABLE 7 6 7 7 7 8 REFRIGERANT CHARGE FOR H P SYSTEM 21 TABLE 7 9 7 10 7 11 REFRIGERANT CHARGE FOR H P SYSTEM 22 TABLE 7 12 7 13 7 14 REFRIGERANT CHARGE FOR H P SYSTE...

Page 3: ...he use of unauthorized components accessories or devices may adversely affect the operation of the heat pump and may also endanger life and property The manufacturer disclaimer any responsibility for such loss or injury resulting from the use of such unauthorized components accessories or devices WARNING Disconnect all power to the unit before starting maintenance Failure to do so can result in se...

Page 4: ...sportation damage 1 1 INSPECTION Refer to Fig 2 2 2 3 2 4 2 5 for unit physical data and to Table 6 1 6 2 for electrical data If components are to be added to a unit they must meet local codes they are to be installed at the dealer s and or the customer s expense Size of unit for proposed installation should be based on heat loss heat gain calculations made in accordance with industry recognized p...

Page 5: ...oss the top of the unit CAUTION Before lifting make sure the unit weight is distributed equally on the rigging cables so it will lift evenly Units may be moved or lifted with a forklift Slotted openings in the base rails are provided for this purpose All panels must be secured in place when the unit is lifted The condenser coils should be protected form rigging cable damage with plywood or other s...

Page 6: ...ressure service port 1 4 SAE Condensate drain connection 3 4 NPTI Trap required Low voltage entrance 7 8 Dia High voltage conn 1 3 8 Dia Front Electrical service access compapartment panel 37 3 4 21 9 16 52 5 7 8 6 5 8 24 13 16 12 11 16 6 5 8 18 1 2 6 5 8 8 9 16 6 5 8 3 11 16 3 3 4 5 16 1 9 16 2 3 8 ...

Page 7: ...de return air opeing The above figure for reference purpose only Unit size 024 030 036 Fig 2 3 Dimensions Back and Bottom Bottom View Back View 50 1 4 1 3 4 1 3 4 35 15 16 1 5 8 14 1 2 4 1 4 14 1 2 18 14 1 2 4 3 8 1 13 16 1 13 16 ...

Page 8: ...n connection 3 4 NPTI Trap required Low voltage entrance 7 8 Dia High voltage conn 1 3 8 Dia Front Electrical service access compapartment panel The above figure for reference purpose only 42 1 16 24 8 1 16 6 5 8 33 1 16 12 11 16 6 5 8 22 1 2 6 5 8 10 3 8 6 5 8 3 11 16 3 3 4 7 16 1 9 16 2 3 8 58 1 2 ...

Page 9: ...rence purpose only Fig 2 5 Dimensions Back and Bottom Bottom View Back View Side supply air opening Side return air opeing Unit size 042 048 060 56 3 4 2 1 4 14 1 2 1 3 4 4 1 4 14 1 2 1 3 4 40 1 4 1 13 16 24 14 1 2 6 5 16 1 13 16 ...

Page 10: ... 2 The minimum clearance without economizer fresh air damper For distance with economicer fresh air damper please refer to the installation instructions provided with the accessory 3 Units may be installed on combustible floors made from wood or class A B or C roof covering materials Table 2 1 Unit Clearance NOTE For units applied with a roof curb the minimum clearance may be reduced from 1 inch t...

Page 11: ...rs or ventilation air intake Flexible joints may be used in the supply and return duct work to minimize the transmission of noise When fastening duct work to the side duct flanges on the unit insert the screws through the duct flanges only DO NOT insert the screws through the casing Outdoor duct work must be insulated and waterproofed CAUTION NOTE Be sure to note supply and return openings Refer t...

Page 12: ...pply circuit protective devices may be either fuses or HACR type circuit breakers 1 3 8 knockouts inside the cabinet are provided for connection of power wiring to electric heater Power wiring is connected to the power terminal block in unit electric cabinet See Electrical Heater Installation Instruction for details 6 0 ELECTRICAL WIRING Field wiring must comply with the National Electric Code NEC...

Page 13: ...CONTROL WIRING IMPORTANT Class 2 low voltage control wiring SHOULD NOT be run in conduit with main power wiring and must be separated from power wiring unless class 1 wire of proper voltage rating is used Low voltage control wiring should be 18 AWG color coded For lengths longer than 50 ft 16 AWG wire should be used Two 7 8 holes can be used for control wires going into the unit one on left side a...

Page 14: ...le phase power supply Fig 6 2 Typical Field Power Wiring Diagram R G Y W C R G Y W1 W2 C 24 volt transformer THERMOSTAT UNIT CONTROL BOARD THERMINAL STRIP B wire be used with heat pump system only reversing valve energizes at the heating mode and cut off at the cooling mode Minimum wire size of 18 AWG wire should be used for all field installed 24 volt wire Only required on units with supplemental...

Page 15: ... 15G 11 3 15 2 54 2 62 5 68 78 70 80 EHK 05G 3 8 5 1 18 1 20 8 23 26 25 30 EHK 08G 5 6 7 5 1 27 1 31 3 34 39 35 40 EHK 10G 7 5 10 1 36 1 41 7 45 52 45 60 EHK 15G 11 3 15 2 54 2 62 5 68 78 70 80 EHK 20G 15 20 2 72 2 83 3 90 104 90 110 EHK 05G 3 8 5 1 18 1 20 8 23 26 25 30 EHK 08G 5 6 7 5 1 27 1 31 3 34 39 35 40 EHK 10G 7 5 10 1 36 1 41 7 45 52 45 60 EHK 15G 11 3 15 2 54 2 62 5 68 78 70 80 EHK 20G 1...

Page 16: ...ect No speeds 1 1 1 Number of motors 1 1 1 Motor HP each 1 8 1 6 1 6 RPM 1075 825 825 Nominal total CFM 1960 2565 2565 DIRECT DRIVE EVAP FAN DATA Quantity 1 1 1 Fan Size Inch 10 9 10 9 10 9 Type Centrifugal Centrifugal Centrifugal No speeds 3 3 3 Motor HP each 1 4 1 2 1 2 RPM 1075 1075 1075 Motor frame size 48 48 48 FILTERS No Size Recommended in 1 22 14 1 1 22 14 1 1 22 14 1 Models Component Scro...

Page 17: ...152 0 78 0 77 0 75 0 73 776 831 884 930 228 220 213 203 1 1 1 06 1 03 0 99 929 970 1004 280 266 253 1 37 1 32 1 26 756 357 706 333 654 309 600 283 842 397 782 369 718 339 625 295 805 380 693 327 CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps 30 Low Middle High 978 462 631 687 743 786 298 288 276 265 1 44 1 39 1 33 1 28 822 858 890 921 317 302 285 267 1 55 1 47 1 41 1 34 917 9...

Page 18: ...9 782 252 250 248 246 1 1 1 09 1 08 1 07 1038 490 955 451 846 400 700 331 860 895 935 976 374 370 362 354 1 66 1 65 1 63 1 6 1004 474 847 400 604 285 975 1005 1036 492 481 468 2 26 2 22 2 17 1227 579 1185 560 1150 543 1122 530 1085 512 1055 498 1024 484 980 463 704 754 805 848 887 932 978 1018 203 217 230 237 250 262 274 282 1 6 1 7 1 8 1 9 1 95 2 03 2 12 2 18 1411 666 1365 645 1330 628 1298 613 1...

Page 19: ...o poor duct design Air supply diffusers must be selected and located carefully They must be sized and positoined to deliver treated air along the perimerter of the space If they are too small for their intended airflow they become noisy If they are not located properly they cause drafts Reture air grilles must be properly sized to carry air back to the blower If they are too small they also cause ...

Page 20: ...483 224 245 267 289 310 332 351 369 388 411 435 458 481 222 243 265 287 308 330 349 367 386 409 433 456 479 220 241 263 285 306 328 347 365 384 407 431 454 477 218 239 261 283 304 326 345 363 382 405 429 452 475 216 237 259 281 302 324 343 361 380 403 427 450 473 214 235 257 279 300 322 341 359 378 401 425 448 471 212 233 255 277 298 320 339 357 376 399 423 446 469 210 231 253 275 296 318 337 355 ...

Page 21: ...2 74 76 78 80 82 135 128 121 114 107 100 93 86 79 72 65 58 51 44 37 30 Mode De Chauffage High Pressure Service Port psig Vanne Détecté de Pression Haute en psig Low Pressure Service Port psig Vanne Détectée de Pression Basse en psig 36 Heating Charge Chart Tableau De Charge de Chauffage Heating Mode Indoor Dry Bulb Temperature o F Temperature Interieur au Themometre sec en o F 313 328 343 357 370 ...

Page 22: ... 482 220 242 263 284 306 327 345 364 382 407 431 456 480 218 240 261 282 304 325 343 362 380 405 429 454 478 216 238 259 280 302 323 341 360 378 403 427 452 476 214 236 257 278 300 321 339 358 376 401 425 450 474 212 234 255 276 298 319 337 356 374 399 423 448 472 210 232 253 274 296 317 335 354 372 397 421 446 470 208 230 251 272 294 315 333 352 370 395 419 444 468 206 228 249 270 292 313 331 350...

Page 23: ... 389 408 432 456 480 504 243 264 285 306 327 348 367 387 406 430 454 478 502 241 262 283 304 325 346 365 385 404 428 452 476 500 239 260 281 302 323 344 363 383 402 426 450 474 498 237 258 279 300 321 342 361 381 400 424 448 472 496 235 256 277 298 319 340 359 379 398 422 446 470 494 233 254 275 296 317 338 357 377 396 420 444 468 492 231 252 273 294 315 336 355 375 394 418 442 466 490 229 250 271...

Page 24: ...up or shut down according to the following logic 8 2 Protection 8 1 COMPRESSOR CRANKCASE HEATER OPTIONAL 8 2 1 Protection for HP system If sensors T3 T4 become open circuit or short circuit the compressor outdoor fan motor and reversing valve circuit will shut down Discharge temperature protection If discharge temp is 275 F the compressor will shut down If discharge temp is 194 F the compressor wi...

Page 25: ... and T3 is 32 F and last for 50 minutes When defrosting actions if the electrical heater kit is installed the unit would deliver the Aux heater operation signal to the electrical heater kit Low pressure protection When low pressure is 21PSIG the compressor and the outdoor fan motor will stop running When low pressure is 44PSIG the compressor and the outdoor fan motor will resume running 3 minutes ...

Page 26: ...an instant ON Compressor and outdoor fan instant OFF Blower fan delay 90 sec OFF 4 way valve instant OFF 4 way valve instant ON Blower instant ON Compressor and outdoor fan instant ON Heater 1 instant ON 4 way valve instant OFF Blower fan delay 90 sec OFF Compressor and outdoor fan instant OFF Heater 1 instant OFF 4 way valve instant ON Blower instant ON Compressor and outdoor fan instant ON Heate...

Page 27: ...un 4 Turn fan switch to AUTO system switch to COOL and thermostat tem perature setting below room temperature Unit should run in COOLING mode Heating Startup After normal cooling run 1 Turn thermostat switch to HEAT After unit stops wait about 5 minutes 2 Turn thermostat setting above room temperature Unit should run in HEATING mode After unit has run for a while check the following 1 Are fans run...

Page 28: ...28 HP System W iring Diagram 24 42 48 ...

Page 29: ...29 HP System W iring Diagram 30 60 ...

Page 30: ...30 HP System W iring Diagram 36 ...

Page 31: ...MD15IU 019CW 202000172699 ...

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