Drummond MRC-24CWN1-M13T Installation Instructions Manual Download Page 1

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INSTALLATION INSTRUCTIONS

PACKAGE 13 SEER - AIR CONDITIONER

2 - 5 TONS.

MAN-I-IDP13-0418

MRC-24CWN1-M13T, MRC-36CWN1-M13L,

MRC-48CWN1-M13L, MRC-60CWN1-M13L.

R-410A Refrigerant

Summary of Contents for MRC-24CWN1-M13T

Page 1: ...INSTALLATION INSTRUCTIONS PACKAGE 13 SEER AIR CONDITIONER 2 5 TONS MAN I IDP13 0418 MRC 24CWN1 M13T MRC 36CWN1 M13L MRC 48CWN1 M13L MRC 60CWN1 M13L R 410A Refrigerant...

Page 2: ...ABLE 7 4 REFRIGERANT CHARGE FOR TABLE 7 5 REFRIGERANT CHARGE FOR TABLE 7 6 REFRIGERANT CHARGE FOR TABLE 8 1 THERMOSTAT SIGNALS FIG 2 1 COMPONENT LOCATION 5 FIG 2 2 UNIT DIMENSIONS 6 FIG 2 3 UNIT DIMEN...

Page 3: ...or death WARNING You should be aware that the use of unauthorized components accessories or devices may adversely affect the operation of the air conditioner and responsibility for such loss or injur...

Page 4: ...ransportation damage 1 1 INSPECTION Refer to Fig 2 2 2 3 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...

Page 5: ...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 6: ...Fig 2 2 Unit Dimensions Low vlotage entrance 7 8 Dia High voltage conn 1 23 64 Dia Unit size The above figure for reference purpose only Hi Lo pressure detected valve 1 4 SAE Side supply air opening S...

Page 7: ...stalled outdoors Over hanging structure or shrubs should not obscure condenser air discharge outlet 2 The minimum clearance without economizer fresh air damper For distance with Economizer fresh air d...

Page 8: ...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 sc...

Page 9: ...devices may be either fuses or HACR type circuit breakers Two 1 3 8 knockouts on the back panel are provided for connection of power wiring to electric heater Power wiring is connected to the power te...

Page 10: ...mpartment 6 3 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 volt...

Page 11: ...tables to size the disconnect Field supplied disconnect Single 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...

Page 12: ...8 7 55 7 50 60 EHK 15E 11 3 15 2 54 2 62 5 71 3 81 7 80 90 None None 29 1 45 EHK 05E 3 8 5 1 18 1 20 8 27 2 30 6 30 40 EHK 08E 5 6 7 5 1 27 1 31 3 38 5 43 7 40 45 EHK 10E 7 5 10 1 36 1 41 7 49 7 56 7...

Page 13: ...64 37 23 32 24 13 16 335 1 10 17 2 20 9 32 interlaced 3 36 4 17 9 32 interlaced Orifice 22 3 64 Prop Direct 1 1 1 6 825 2565 1 9 9 Centrifugal 3 3 4 1075 48 1 22 14 1 Scroll 1 spd MRC 36CWN1 M13L 3 0...

Page 14: ...mps CFM L S RPM Watts Amps 36 Low Middle High 889 419 1170 525 1143 539 1110 524 1070 505 1021 428 694 752 806 859 902 390 376 360 343 326 1 88 1 81 1 73 1 66 1 58 1251 590 1206 569 1148 541 1080 509...

Page 15: ...PM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps Motor Speed Model Number 24 Low Middle High External Static Pressure Inches W C kPa CFM L S Watts CFM L S RPM Watts Amps CFM L S RPM Watts A...

Page 16: ...the air speed according to the actual setting static pressure Please refer to the Table 7 1 AIRFLOW PERFORMANCE DATA In any stituation the airflow of the unit should be in the range of 80 to 130 of 4...

Page 17: ...0 396 421 452 483 514 545 285 304 324 343 368 394 419 450 481 512 543 264 283 302 322 341 366 392 417 448 479 510 541 262 281 300 320 339 364 390 415 446 477 508 539 260 279 298 318 337 362 388 413 44...

Page 18: ...1 392 413 446 478 511 543 263 284 305 327 348 369 390 411 444 476 509 541 261 282 303 325 346 367 388 409 442 474 507 539 259 280 301 323 344 365 386 407 440 472 505 537 235 257 278 299 321 342 363 38...

Page 19: ...he heater is energized for at least 12 hours before the compressor is started Disconnect switch on and wall thermostat off The crankcase heater start up conditions If the outdoor ambient temp is 37 4...

Page 20: ...s delay necessary In stand by status if low pressure protection was checked out the compressor would not start running If protection cycles occur four times within 30 mins the system must power on onc...

Page 21: ...Blower instant ON Compressor and outdoor fan instant ON Compressor and outdoor fan instant OFF Blower fan delay 90 sec OFF Blower instant ON Compressor and outdoor fan instant ON Compressor and outdo...

Page 22: ...nstruction when making wire connections WARNING 9 0 OPERATION CHECK UP Cooling Startup 1 Turn thermostat to OFF and turn power to ON 2 Turn ON thermostat and set as high as possible 3 Turn Fan switch...

Page 23: ...23 AC System W iring Diagram GMCC LG compressor 1 2 3 4 6 5 1 2 0...