Drummond MRB-36HWN1-X14B Installation Instructions Manual Download Page 1

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INSTALLATION INSTRUCTIONS

PACKAGE 14 SEER - HEAT PUMP

3 - 5 TONS.

R-410A Refrigerant

MAN-I-IDP14HP-1115

MRB-36HWN1-X14B, MRB-48HWN1-X14,

MRB-60HWN1-X14.

3Ph

Summary of Contents for MRB-36HWN1-X14B

Page 1: ...INSTALLATION INSTRUCTIONS PACKAGE 14 SEER HEAT PUMP 3 5 TONS R 410A Refrigerant MAN I IDP14HP 1115 MRB 36HWN1 X14B MRB 48HWN1 X14 MRB 60HWN1 X14 3Ph...

Page 2: ...ng 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 pers...

Page 3: ...0 TROUBLE SHOOTING 21 LIST OF TABLES TABLE 2 1 UNIT CLEARANCE 6 TABLE 6 1 14 SEER HEAT PUMP W WITHOUT ELECTRIC HEAT 12 TABLE 6 2 14 SEER COOLING ONLY W WITHOUT ELECTRIC HEAT 12 TABLE 6 3 14 SEER PHYS...

Page 4: ...e 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 s...

Page 5: ...Manufacturer or distributor will not accept the claims from dealer for any transportation damage 1 1 INSPECTION Refer to Fig 2 2 2 3 for unit physical data and to Table 7 1 for electrical data If comp...

Page 6: ...AUTION 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...

Page 7: ...ection Distance in Top Front Rear Right Left Bottom 30 60 18 12 24 0 Duct clearance 1 inch clearance for all sides of air supply duct 1 Units must be installed outdoors Over hanging structure or shrub...

Page 8: ...supply air opening Bottom supply air opening Do not drill or install screw in this area Side return air opeing Bottom return air opening Bottom power entry 7 8 and 1 31 32 dia knockout Bottom control...

Page 9: ...f second connection is not used 4 Use a sealing compound on male pipe threads Install the condensate drain line NPT to spill into an open drain A closed return duct system shall be used This shall not...

Page 10: ...be kept clean When filter become dirt laden insufficient air will be delivered by the blower decreasing your units efficiency and increasing operation costs and wear and tear on the unit and controls...

Page 11: ...it breakers installed within the unit do not provide over current protection of the supply wiring and therefore may be sized larger than the branch circuit protection Supply circuit power wiring must...

Page 12: ...isconnect Field supplied disconnect T h r e e 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...

Page 13: ...ons 2 45A 1 08A 24 9A 048 4 0 208 230 3 60 13 7A 83 1A 060 5 0 21 4A 73A 10 4A 208 230 3 60 036 3 0 MCA 1 Amps Electric Heat Option Max Fuse 2 Breaker 3 Size Amps 16 3A Compressors each OD Fan Motors...

Page 14: ...croll 1 spd Scroll 1 spd 1 1 1 y t i t n a u Q CONDENSER COIL DATA Face area Sq Ft 14 49 17 39 17 39 3 3 7 2 s w o R Fins per inch 20 20 20 Tube diameter 9 32 9 32 9 32 Circuitry type interlaced inter...

Page 15: ...531 RPM 747 779 811 843 871 903 932 972 Watts 510 500 489 478 464 449 431 405 Amps 2 33 2 3 2 26 2 23 2 19 2 14 2 09 2 02 CFM L S 1837 868 1776 839 1724 814 1647 778 1576 744 1502 709 1413 667 1295 61...

Page 16: ...1 1 46 1 41 1 34 1 29 CFM L S 1510 713 1468 693 1420 671 1369 647 1292 610 1218 575 1128 533 934 441 RPM 701 741 779 814 854 892 928 987 Watts 447 438 428 419 408 394 377 347 Amps 1 95 1 92 1 88 1 84...

Page 17: ...410 434 457 105 200 219 239 258 278 293 308 335 362 385 408 431 454 MRB 36HWN1 X14B Cooling Mode Cooling Charge Chart Outdoor Ambient Temperature F High Pressure Detected Valve psig Vanne D tect de P...

Page 18: ...ling Charge Chart Cooling Mode Outdoor Ambient Temperature F 60 62 64 66 68 70 72 74 76 78 80 82 135 333 340 347 354 361 370 382 390 398 406 414 426 128 325 332 339 346 353 360 376 383 390 397 404 416...

Page 19: ...g Mode Outdoor Ambient Temperature F 60 62 64 66 68 70 72 74 76 78 80 82 135 341 353 364 376 388 400 404 408 414 420 426 432 128 337 349 360 372 384 396 400 404 408 412 416 428 121 329 340 351 362 373...

Page 20: ...e compressor will be off When discharge temp is 194 F the compressor will start running High pressure protection When high pressure is 638PSIG the compressor and the outdoor fan motor will stop runnin...

Page 21: ...FF 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 Heater 1 instant ON Heater 2 i...

Page 22: ...es 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 running properly 2 Is compressor running correctly 3 C...

Page 23: ...N O G N I N R A W E B T S U M T E N I B A C Y L T N E N A M R E P O T G N I R I W L L A D N A D E D N U O R G O T M R O F N O C C E I C E N C E C D N A C L C E L B A C I L P P A S A S E D O C L A C O...