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®
WEATHERMASTER
48/50Z030-105
Single Package Large Rooftop Units with
COMFORTLINK™ Version 4.X Controls
Controls, Start-Up, Operation,
Service and Troubleshooting
Page
CONTENTS
CONTROLS OPERATION . . . . . . . . . . . . . . . . . . . . . 40-83
Page
Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2
• SYSTEM MODES
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Page CONTENTS (cont) Control Circuit, 115 V. . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Page Control Circuit, 24 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Smoke Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Gas Heat (48Z Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 • FIRE SMOKE INPUTS Compressor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . 132 • AIRFLOW CONTROL DURING THE FIRE/SMOKE Compressor Replacem
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The 48/50Z units contain the factory-installed ComfortLink GENERAL control system which provides full system management. The This book contains Start-Up, Controls, Operation, Trouble- main base board (MBB) stores hundreds of unit configuration shooting and Service information for the 48/50Z Series settings and 8 time of day schedules. The MBB also performs rooftop units. See Table 1. These units are equipped with self diagnostic tests at unit start-up, monitors the operation of ComfortLink™ cont
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Co m f o r t Lin k Alarm Status N A V I G A T O R 1 2 . 58 5 4 . 6 F 4 4.1 F 4 4 . 0 F M O D E ES C ENTER Run Saus Service Tes Temperaures Pressures Setpoins Inpus Outpus Configu ation Time Clo Operating Modes Alarms t t t t t t t r ck TIME EWT LWT SETP instead of the local display. The CCN tables are located in Appendix B of this manual. MODE Run Status Service Test BASIC CONTROL USAGE Temperature Pressures Setpoints ComfortLink™ Controls — The ComfortLink con- Alarm Status Inputs trols are a
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with the ENTER key and then pressing the and Operation — All units are shipped from the factory with the scrolling marquee display, which is located in the main con- arrow keys simultaneously. trol box. See Fig. 1. In addition, the ComfortLink™ controls Depending on the unit model, factory-installed options and also supports the use of the handheld Navigator™ display. field-installed accessories, some of the items in the various Both displays provide the user with an interface to the mode cate
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Table 2 — Scrolling Marquee Menu Display Structure RUN SERVICE TIME OPERATING TEMPERATURES PRESSURES SETPOINTS INPUTS OUTPUTS CONFIGURATION ALARMS STATUS TEST CLOCK MODES Auto View of Service Test Mode Air Air Pressures Occupied Heat General Inputs Fans Unit Time of Day System Currently Run Status (TEST) Temperatures (AIR.P) Setpoint (GEN.I) (FANS) Configuration (TIME) Mode Active (VIEW) (AIR.T) (OHSP) (UNIT) (SYS.M) Alarms ↓ ↓ ↓ ↓ ↓ (CURR) ↓ ↓ ↓ ↓ ↓ ↓ Software Refrigerant Compressor Cooling Mon
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direction. See Tables 26-28 for motor limitations. See Table 29 IMPORTANT: The computer system software for air quantity limits. Static pressure drop is shown in (ComfortVIEW™, Service Tool, etc.) that is used to Tables 30A-30C. interact with CCN controls always saves a template of FIELD-SUPPLIED FAN DRIVES — Supply fan and power items it considers as static (e.g., limits, units, forcibil- exhaust fan drives are fixed-pitch, non-adjustable selections, for ity, 24-character text strings, and poin
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Table 3 — Fan Performance — 48ZG,ZN030 and 50ZG,ZN030 Units Without Discharge Plenum* AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 6,000 222 0.59 284 0.91 339 1.27 388 1.66 430 2.07 469 2.50 504 2.93 536 3.38 7,500 248 0.94 300 1.28 350 1.68 395 2.11 437 2.57 475 3.05 511 3.54 544 4.05 9,000 278 1.46 323 1.80 366 2.22 407 2.69 446 3.19 483 3.71 517 4.25 550 4.81 10,500 311 2.16 349 2.52 3
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Table 4 — Fan Performance — 48ZG,ZN035 and 50ZG,ZN035 Units Without Discharge Plenum* AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (Cfm) RpmBhp RpmBhp RpmBhp Rpm Bhp RpmBhp RpmBhp RpmBhp RpmBhp 7,000 246 0.84 301 1.19 352 1.58 398 2.01 440 2.46 479 2.93 514 3.40 547 3.90 8,000 266 1.14 315 1.50 362 1.92 406 2.37 447 2.85 484 3.35 519 3.87 552 4.39 10,000 310 1.98 350 2.36 389 2.80 427 3.30 464 3.83 499 4.38 532 4.96 564 5.55 12,000 357 3.20 390 3.60 424 4.0
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Table 5 — Fan Performance — 48ZG,ZN040 and 50ZG,ZN040 Units Without Discharge Plenum* AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 8,000 252 0.98 303 1.33 350 1.72 394 2.14 434 2.58 472 3.06 507 3.55 540 4.07 10,000 290 1.67 333 2.11 373 2.55 412 3.01 448 3.51 483 4.03 517 4.58 549 5.16 12,000 330 2.65 369 3.18 404 3.70 438 4.23 470 4.78 501 5.35 532 5.94 562 6.56 14,000 372 3.96 407 4.61 439
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Table 6 — Fan Performance — 48ZG,ZN050 and 50ZG,ZN050 Units Without Discharge Plenum* AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 9,000 276 1.34 323 1.73 366 2.15 407 2.60 445 3.08 482 3.58 516 4.11 549 4.66 10,000 296 1.74 339 2.17 379 2.62 418 3.09 454 3.59 489 4.12 522 4.68 554 5.26 12,000 339 2.76 376 3.29 411 3.81 445 4.35 477 4.91 509 5.49 539 6.09 568 6.71 14,000 382 4.15 416 4.79 448
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Table 7 — Fan Performance — 48ZG,ZN055 and 50ZG,ZN055 Units Without Discharge Plenum* AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 10,000 207 1.04 253 1.50 295 2.03 334 2.66 371 3.41 405 4.26 438 5.20 468 6.20 12,500 235 1.69 276 2.23 312 2.78 346 3.40 379 4.10 410 4.88 440 5.75 469 6.70 15,000 265 2.59 302 3.23 335 3.85 365 4.51 394 5.20 422 5.96 449 6.78 476 7.67 17,500 295 3.78 331 4.5
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Table 8 — Fan Performance — 48ZG,ZN060 and 50ZG,ZN060 Units Without Discharge Plenum* AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 12,000 234 1.54 276 2.03 312 2.57 348 3.20 382 3.93 415 4.74 446 5.63 476 6.58 15,000 271 2.65 309 3.27 341 3.88 370 4.53 399 5.24 428 6.04 455 6.91 482 7.85 18,000 308 4.22 344 5.00 374 5.73 400 6.46 426 7.22 450 8.02 474 8.88 498 9.81 21,000 348 6.36 380 7.29 40
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Table 9 — Fan Performance — 48ZG,ZN070 and 50ZG,ZN070 Units Without Discharge Plenum* AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 14,000 258 2.23 297 2.80 330 3.38 362 4.02 392 4.73 422 5.53 451 6.42 480 7.37 17,500 302 3.92 338 4.67 368 5.39 395 6.10 421 6.84 446 7.64 471 8.50 495 9.42 21,000 348 6.36 380 7.29 408 8.18 434 9.04 457 9.88 479 10.74 501 11.64 522 12.57 24,500 397 9.74 424 10.8
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Table 10 — Fan Performance — 50ZG,ZN030 Units With Discharge Plenum and 50Z2,Z3030 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 6,000 255 0.95 313 1.35 364 1.82 411 2.35 454 2.92 494 3.52 530 4.14 563 4.78 7,500 291 1.51 340 1.93 386 2.41 428 2.94 468 3.51 505 4.13 541 4.78 574 5.46 9,000 330 2.28 372 2.73 413 3.22 451 3.76 487 4.34 522 4.96 555 5.61 587 6.30 10,500 371 3.28 408 3.7
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Table 11 — Fan Performance — 50ZG,ZN035 Units With Discharge Plenum and 50Z2,Z3035 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 7,000 285 1.35 337 1.78 384 2.26 428 2.80 469 3.38 507 4.00 542 4.66 576 5.34 8,000 311 1.81 358 2.25 402 2.75 442 3.29 481 3.87 517 4.50 551 5.16 584 5.86 10,000 367 3.04 406 3.52 443 4.05 479 4.61 512 5.21 545 5.84 576 6.51 606 7.21 12,000 426 4.74 459 5.
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Table 12 — Fan Performance — 50ZG,ZN040 Units With Discharge Plenum and 50Z2,Z3040 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 8,000 293 1.62 344 2.10 390 2.62 432 3.18 470 3.76 507 4.36 541 4.97 573 5.60 10,000 343 2.66 385 3.19 425 3.76 463 4.36 498 4.99 532 5.64 563 6.31 594 7.00 12,000 395 4.09 431 4.68 466 5.29 500 5.93 532 6.60 562 7.30 592 8.01 620 8.75 14,000 449 5.97 481 6.62
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Table 13 — Fan Performance — 50ZG,ZN050 Units With Discharge Plenum and 50Z2,Z3050 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 9,000 324 2.15 369 2.67 412 3.23 452 3.83 488 4.44 523 5.08 556 5.73 587 6.40 10,000 349 2.74 392 3.28 431 3.87 469 4.48 504 5.12 537 5.78 569 6.46 599 7.16 12,000 403 4.23 439 4.82 474 5.45 507 6.11 539 6.80 570 7.51 599 8.23 627 8.98 14,000 459 6.17 490 6.83
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Table 14 — Fan Performance — 50ZG,ZN055 Units With Discharge Plenum and 50Z2,Z3055 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 10,000 217 1.21 258 1.71 296 2.29 334 2.97 371 3.76 407 4.63 440 5.56 471 6.51 12,500 248 2.01 286 2.63 319 3.26 349 3.95 380 4.71 410 5.58 440 6.52 469 7.54 15,000 281 3.13 317 3.90 347 4.64 374 5.38 400 6.18 425 7.03 450 7.95 476 8.95 17,500 315 4.64 348 5.55
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Table 15 — Fan Performance — 50ZG,ZN060 Units With Discharge Plenum and 50Z2,Z3060 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20.4 0.60.8 1.01.2 1.41.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 12,000 241 1.82 280 2.41 314 3.04 346 3.72 376 4.47 405 5.26 433 6.11 460 7.01 15,000 281 3.14 316 3.87 346 4.61 374 5.38 400 6.19 426 7.05 450 7.95 474 8.90 18,000 323 5.03 355 5.92 382 6.80 408 7.68 431 8.58 454 9.53 476 10.50 498 11.52 21,000 366 7.61 395 8.
