Carrier 50BV020-064 manual

Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53500001-0 1 Printed in U .S.A. F orm 50BV -3SI Pg 1 10-08 Replaces: 50BV -2SI Installation, Star t-Up and Ser v ice Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS . . . . . . . . [...]

2 equipment. Follow all safety c odes. W ear safety glasses and work gloves. GENERAL Omnizone™ 50BV indoor packaged units are very flexible for a variety of applications. These self-contained units are available as water-cool ed or re mote air-cooled air conditioning units. The 50BV units are available with either constant vol- ume (CV) or variab[...]

3 INST ALLA TION Omnizone™ 50BV units are intended for indoor installa- tion only . Determine building alterations required to run piping, wiring, and ductwork. Read all installation instructions before installing the unit. Step 1 — Complete Pre-Installation Chec ks EXAMINE THE UNIT — Ex a mi ne t he u nit fo r s hip pin g damage. File a clai[...]

4 S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION Fig. 2 — 50BVC,J ,Q020 -034 Dimensions NOTES: 1. Dimensions in inches [mm]. 2. V A V mode ls (50BVJ) ar e rear ret urn, top supply only . 3. Compressor , controls, and condenser acce ss are through front panels . 4. Field [...]

5 S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION S T ANDARD BLOWER ORIENT A TION OPTIONAL BLOWER ORIENT A TION Fig. 3 — 50BVE,K020- 034 Dimensi ons NOTES: 1. Dimen sions in inches [mm]. 2. V A V models (50 BVK) are re ar return, top supply only . 3. Compressor , controls, a nd condenser access are throug h front panels . 4. Field p[...]

6 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 15.00 13.00 31.00 BLOWER SECTION ACCESS EVAPORATOR ACCESS 2.88 2.00 EVAPORATOR ACCESS BLOWER SECTION ACCESS LEFT SIDE VIEW FILTER ACCESS ECONO COIL (Optional) DIRECT EXPANSION EVAPORATOR REHEAT COIL (Optional) STANDARD DISCHARGE REAR DISCHARGE (Optional) WATER IN (ECONO COIL OPT[...]

7 Fig. 5 — 50 BVT ,V ,W034 (Low-Boy) Dimensions a50-8202 NO TES: 1. Dimensions i n inches. 2. All units are rear return airflo w configu ration. 3. Recommended mi nimum ser vice clearances are as f ollow s: a. Front and rear — 30 in. (762 mm) b. Left or right side — 65 in. (1651 mm) for coil remov al c. Side opposi te coil remo v al — 20 in[...]

8 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 15.00 13.00 31.00 COMPRESSOR ACCESS EVAPORATOR ACCESS EVAPORATOR ACCESS ELECTRICAL BOX ACCESS COMPRESSOR ACCESS BLOWER SECTION ACCESS BLOWER SECTION ACCESS EVAPORATOR ACCESS ELECTRICAL BOX 2.88 21.75 49.75 2.00 EVAPORATOR ACCESS BLOWER SECTION ACCESS LEFT SIDE VIEW FILTER ACCESS[...]

9 Fig. 7 — 50BVT ,V ,W044-064 (Lo w-Bo y) Dimensions CONNECTIONS REPLACEMENT FIL TERS : SIXTEEN (16) A T 17 x 27 x 4 INCHES. UNIT SIZE 04 4 054 064 A WA TER OUT 2-1/2 in. FPT 3 in. FPT 3 in. FPT B W A TER IN 2-1/2 in. FPT 3 in. FPT 3 in. FPT C CONDENSA TE DRAIN 1-1/ 4 in. FPT 1 -1/4 in. FPT 1-1/4 in. FPT D ECONOMIZER DRAIN 1-1/4 in. FP T 1-1/4 in[...]

10 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 13.00 31.00 BLOWER SECTION ACCESS EVAPORATOR ACCESS 2.88 2.00 EVAPORATOR ACCESS BLOWER SECTION ACCESS LEFT SIDE VIEW FILTER ACCESS ECONO COIL (Optional) DIRECT EXPANSION EVAPORATOR REHEAT COIL (Optional) STANDARD DISCHARGE REAR DISCHARGE (Optional) WATER IN (ECONO COIL OPTIONAL[...]

11 a50-8206 Fig. 9 — 50BVU ,X034 (Low-Bo y) Dimensions NO TES: 1. Dimensions in inches . 2. All unit s are rear r eturn airflow configur ation. 3. Recommended co ndenser match is ONE (1) 09DK0 34 (50/50 spl it). 4. Use proper p iping prac tice f or remote refrigeran t connections . Ref er to Carrier Sy stem Design Manual Part 3. 5. Recommended mi[...]

12 REAR VIEW RETURN AIR VIEW LEFT SIDE VIEW 80.00 FRONT VIEW 54.38 8.75 13.00 31.00 COMPRESSOR ACCESS EVAPORATOR ACCESS EVAPORATOR ACCESS ELECTRICAL BOX ACCESS COMPRESSOR ACCESS BLOWER SECTION ACCESS BLOWER SECTION ACCESS EVAPORATOR ACCESS ELECTRICAL BOX 2.88 21.75 49.75 2.00 EVAPORATOR ACCESS BLOWER SECTION ACCESS LEFT SIDE VIEW FILTER ACCESS ECON[...]

13 a50-8208 NOTES: 1. Dimensi ons in inches. 2. All units are rear return airflow configuration. 3. Use prope r piping practice for remot e refrigerant co nnections. Refer to Carrier Sy stem Design Manual Part 3. 4. Recommen ded minimum service clearances ar e as follows: a. Front and rear — 30 in. (76 2 mm) b . Left and right sides — 65 in. (1[...]

14 Fig. 12 — 50BVC,J,Q020-028 with Optional W a terside Economizer Dimensions NOTES: 1. Dimensi ons in inches [mm]. 2. Refer to base unit cer tified drawing fo r additional unit dimen sions, service clearance , and alternate air flow confi gurations . a50-7306ef[...]

15 Fig. 13 — 50BVC,J ,Q034 with Optional W a terside Economizer Dimens ions NOTES: 1. Dimensions in inches [mm]. 2. Refer to base unit certifi ed drawing for additional unit dime nsions, servi ce clearances , and alte rnate airflow configura tions. a50-7307ef[...]

16 * * a50-8235 Shipping Weights (lb) *High-boy/lo w-bo y . 50BVT ,U,V ,W ,X UNIT HIGH-BO Y U NIT LO W-BO Y UNIT 034 044 054 064 034 044 054 064 MAIN AIR CONDITIONING SECTION (EACH) NUMBER OF SECTIONS 12221222 SECTION WEIGHT 1450 1175 1550 1575 2100 1825 2200 2225 REHEA T COIL OPTION 40 40 40 40 40 40 40 40 FIL TER/ECONOMIZER SECTION (EA CH) NUMBER[...]

17 Table 3A — Physic al Data — 50BVC,E,J,K,Q LEGEND *R-410A models. UNIT 50BVC,E,J,K,Q 020 024 028 034 NOMINAL CAP ACITY (T ons) 18 20 25 30 OPERA TING WEIGHT (lb) 50BVC,Q…50BVJ 1192…1227 1 378…1413 1428…1473 1680…1725 50BVE…50BVK 1110…1145 1290…1325 1320…13 65 1520…1565 COMPRESSOR Copeland Scroll Quantity 2222 Number of Ref[...]

18 Table 3B — Physical Data — 50BVT,U,V,W,X UNIT 50BVT ,U,V ,W ,X 034 044 054 064 NOMINAL CAP ACITY (T ons) 30 40 50 60 OPERA TING WEIGHT (lb) 50BVT ,V…50BVW 2580…2645 4334…4404 5198…5298 5230…5 330 50BVU…50BVX 2420…2485 4094…4164 4938…5038 4970…5070 COMPRESSOR Copeland Scroll Quantity 2444 Number of Refrigerant Circuits 244[...]

19 ACOUSTICAL CONSIDERA T IONS — P r op e r a c o u st i ca l considerations are a critical part of every system’ s design and operation. Each system design and instal lation should be reviewed for its own unique requirements. For job specific requirements, contact an acoustic al consultant for guidance and recommendations. In general, to reduc[...]

20 acceptable system static pressure. If the exis ting duct system is too small, larger ductwork must be installed. The duct system and diffusers sh ould be sized to hand le the design airflow volum es quietly . T o maximize soun d attenuation of the unit's blowe r(s), the supply and return air plenum s should be insulated for a length of at l[...]

21 Step 4 — Make Piping Connections CONDENSER W A TER PIPING (W ater-Cooled Only) — Always follow national and local codes when installing water piping to ensure a safe and pr oper installation. Connections to the unit should incorporate vibration eliminators to reduce noise and vibration to the building, and shutoff valves t o facili- tate ser[...]

22 Table 5A — Condenser Pressu re Drop 50BVC,J,Q Units LEGEND Table 5B — Condenser Pressu re Drop 50BVT,V,W Units LEGEND Pressure and temperature por ts are recommended in both the supply and return lines for system flow balancing. These openings should be 5 to 10 pipe diameters from the unit water connections. For thorough mixing and temperatu[...]

23 Table 6A — Hot Water Pressur e Drop 50BVC,E,J,K,Q Units LEGEND Table 6B — Hot Water Pressur e Drop 50BVT,U,V,W,X Units LEGEND Pipe sizes should be selected based on the head pressure available from the pump. W ater velocity should not exceed 8 fps. Design the piping system for approximately 3 ft of loss per 100 equivalent ft of pipe. The pip[...]

24 Table 7B — Economizer Pressure Drop Curve (ft wg), 50BV T,U,V,W,X Units LEGEND REMOTE REFRIGERANT PIPI NG (Remote Air - Cooled O nl y ) — Carrier 50BVE,K,U,X units are supplied without condensers. T o complete the in stallation, these units must be field connected to a suitable remote condenser . The 50BV units from 18 to 30 tons contain 2 e[...]

25 For an unbalanced 3-phase supply voltage, use the follow- ing formula to determine the percent of voltage imbalance: Percent V oltage Im balance Example: Supply voltage is 460-3-60. AB = 452 V BC = 464 V AC = 455 V Determine maximum deviation from average voltage: (AB) 457 – 452 = 5 V (BC) 464 – 457 = 7 V (AC) 457 – 455 = 2 V Maximum devia[...]

26 Table 9B — Electric al Data — 50BVT,U,V, W,X LEGEND UNIT SI ZE 50BVT ,U,V ,W ,X NOMINAL VO LT AG E (3 Ph, 60 Hz) VO L T AG E RANGE COMPRESSOR INDOOR F AN MO T OR PO WER SUPPL Y DISCONNECT SIZE No. 1 / No. 2 No. 3 / No. 4 Min Max RLA LRA RLA LRA Qty HP (ea) FLA (ea) MCA MOCP FLA 034 208/230 187 253 62.2 376 — — 1 7.5 19.4 159.4 200 143.8 [...]

27 Modular Units — For units with multiple main air- conditioning sections, connect the high voltage compressor power wiring to the line side of the high voltage terminal block in the second section’ s high volta ge electrical box. This wiring is located in the upper portion of the compressor compartment. Connect the low voltage wiring, located[...]

28 Table 10 — Recommended Cabl es NOTE: Conductors and drain wire must be at least 20 A WG (American W ire Gage), stranded, and tinned copp er . Individual conductors must be insulated with PVC, PVC/nylon, vinyl, Te f l o n ® *, or polyethylene. An aluminum/polyester 100% foil shield and an outer jacket of PVC, PVC/nylon, chrome vinyl, or T eflo[...]

29 TRANS-1 PCB1 TB2 CSMUX PCB1 TB2 TRANS-1 Fig. 27 — Modular Unit VAV Contro l Panel Fig. 28 — Single -Piece Unit VAV Control Panel Fig. 29 — Supply/Return Air Temperature Sensor (P/N HH79NZ043) Fig. 30 — Supply-Air Temperature Sensor Installation (Unit Discharge Loca tion) a50-7275ef a50-7276ef a39-1867t 39-312d[...]

30 Table 11 — Thermistor Resistance vs Temperature Values for Supply- Air Temperature Sens or (10 Kilo- ohm) SMOKE DETECTOR/FIRE ALARM SHUTDOWN ( F S D ) — T o allow a smoke detector to shut the 50BV down, remove the jumper from FSD to C and wire these terminals to a set of normally closed contacts on the smoke detector . ALARM (ALARM) AND W AR[...]

31 when it starts. Also, no cooling will be produced at the evaporator . If any of these conditions occurs, refer to the Service section to correct the compressor rotation before continuing. IN TE RN A L W IR IN G — Check all electrical connections in unit control boxes; tighten as required. RE TU R N- AI R F IL T ER S — Check that correct filt[...]

32 Table 14 — Fan Performance — 5 0BVC,E,Q024 LEGEND NO TES: 1. Units are a vailab le with the f ollowing motor and drive combina- tions: 2, 3, and 5 H P standard drive; 2, 3 HP medium static drive . F or 2, 3 HP standard dr iv es, the drive range is 753 to 952 rpm. F or medium static drives, the drive range is 872 to 1071 rpm. F or 5 HP standa[...]

33 Table 15 — Fan Performance — 5 0BVC,E,Q028 LEGEND NO TES: 1. Units are a vailab le with 3 or 5 HP standard drive or 3 HP medium static drive. F or 3 HP standard drives, the drive range is 753 to 952 rpm. F or medium static drives, the driv e range is 872 to 1071 rpm. 5 HP standard drives hav e driv e range of 967 to 1290 rpm. 2. Italics indi[...]

34 Table 16 — Fan Performance — 5 0BVC,E,Q034 LEGEND NO TES: 1. Unit is a vailab le with 5 HP standard drive only . The drive r ange is 967 to 1290 r pm. 2. Italics indicates field-s upplied drive required. 3. D o not operate in shaded area. 4. Static pressure losses must be applied to external static pres- sure before entering the fan perf or [...]

35 Table 17 — Fan Performance — 50BVT,U,V034 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm. F or 10, 15, 20 HP standard and [...]

36 Table 17 — Fan Performance — 50BVT,U,V0 34 (cont) LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm. F or 10, 15, 20 HP stand[...]

37 Table 18 — Fan Performance — 50BVT,U,V044 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive com- binations: 7.5, 10, 15 HP standard drive; 7.5, 10, 15 HP medium-static drive; 7.5, 10, 15 HP high-static dr iv e. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm. F or 10, 15 HP standard and 7.5 HP medium-st[...]

38 Table 19 — Fan Performance — 50BVT,U,V054 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive com- binations: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm. F or 10, 15, 20 HP standard and [...]

39 Table 19 — Fan Performance — 50BVT,U,V0 54 (cont) LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm. F or 10, 15, 20 HP stand[...]

40 Table 20 — Fan Performance — 50BVT,U,V064 LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm. F or 10, 15, 20 HP standard and [...]

41 Table 20 — Fan Performance — 50BVT,U,V0 64 (cont) LEGEND NO TES: 1. Unit is av ailable with the f ollowing motor and drive combina- tions: 7.5, 10, 15, 20 HP standard dr iv e; 7.5, 10, 15, 20 HP medium-static drive; 7.5, 10, 15, 20 HP high-static drive. F or 7.5 HP standard drives, the driv e range is 780 to 960 rpm. F or 10, 15, 20 HP stand[...]

42 V A V Unit Star t-Up PERFORM AUTOMA TIC RUN TEST — The 50BVJ,K, W ,X unit controls are programmed with an automatic run test that checks connection and ope ration of major components. T o perform the run test: V erify that the control display (LID [Local Interface Dis- play] device/system monitor) interface cable is connected to in- ternal jac[...]

43 23. The co ntrol forces CMP2 (compressor 2) on then waits 5 seconds. If CSMUX is not in range, the red LED will go on and the test will stop. If CSMUX is in range, the red LED blinks once and the test continues. 24. The control forces CMP2 of f. 25. The control forces CMP3 (compressor 3) on, if config- ured, then waits 5 seconds. If CSMUX is not[...]

44 If the LID display is in Edit mode, then the display will only show the word “password.” Press the key to toggle to the Status mode. Make sure the LID dis- play shows: Log in to Controller Enter Password 3. Key in the password and press . N O T E : Th e d e f a u l t p a s sw o r d i s 1111 . 4. The LID display will show: Log in to Controlle[...]

45 7. Enter the day of the month. Press then press . The LID display will show: Ye a r 95 8. Enter the last two digits of the current year . Press then press . The LID display will show: Update Clock No 9. Press 1 and then t o update the clock. The LID display will flash. Press twice to view the de- fault display and the clock should update to the [...]

46 Table 21 — Con troller Set Points CHECK SYSTEM P ARAMETERS — T o ch ec k sy s te m parameters, press the button. The LID display will show: “Hardware Points”. Press to view the hard- ware points. The user can navigate up and down through the points with the and keys. Press 2 and to display the software points. The user can navigate up an[...]

47 DISPLA Y ALARM HISTOR Y — If t he con t r ol l e r i s in d ic at- ing there are alarms , the user can view the alarm history by pressing the button. The LID display will show “Alarm History .” Press . The LID display will show the date and type of alarm. As an example, if the LID display shows: ALARM — 10:55 02-1 1-04 SFS That display i[...]

48 Sequence of Operation (V A V Only) — The fol- lowing control sequence of operation for the V A V units de- scribes the various sequences that occur depending upon the way an operation is triggere d and which software control points are involved. SU PP L Y F A N — The supply fan can be activated in any of the following ways: • Unoccupied sp[...]

49 SER VICE Compressor Rotation — T o determine whether or not the compressor is rotating in the pro per direction: 1. Conn ect service gages to suction and disch arge pressure fittings. 2. Ener gize the compressor . The suction pressure should drop and the dischar ge pres- sure should rise, as is normal on any start-up. If the suc- tion pressure[...]

50 GRA VITY FLOW METHOD (Fig. 34) — D o not a dd so l u - tion faster than the vent can exhaust the generated gases. When condenser is full, allow the solution to remain over- night then drain the condenser and flush with clean water . Fol- low acid manufacturer ’ s instructions. FORCED CIRCULA TION METHOD (Fig. 35) — Fully open the vent pipe[...]

51 Evaporator Fan P erformance Adjustment — T o change fan speeds from factory settings: 1. Shut off unit power suppl y . 2. Loosen nuts on the 4 carriage bolts in the mounting base. Using adjusting bolts and plate, slide the motor and remove the belt . 3. Loosen movable-pu lley flange setscrew . 4. Screw the movable flange toward the fixed flang[...]

52 Table 27 — Run Test Troubleshooting (VAV Units Only) NO TE: F or more inf ormation on V A V controls, ref er to t he 50BV ,XJ Controls Operati on and T roubleshooting Manual. PROBLEM POSSIBLE CA USE Control modules do not hav e lights when unit power is on. T ransfo rmer open. Circuit break er open. P ow er wiring open. Module fail ure. Contro[...]

53 Table 28 — Unit Troubleshooting LEGEND PROBLEM POSSIBLE CA USE CORRECTION PROCEDURE Unit Will Not Star t. Loss of unit power Check pow er source. Check fuses, circuit breakers , disconnect switch. Check electrical contacts. Unit voltage not correct Check and correct. Open fuse Check for short circuit in unit. Open protection device Check relay[...]

54 Table 29 — CV Units LED Diagnostic Codes *F reeze protection and condensate o verflo w lock out require optional sensors. NO TE: The main control board has a red LED (light-emitting diode) for f ault indication and will blin k a code as described above. Count the number of blinks to determine the lock out condition. For cing and Clearing an In[...]

55 Fig. 38 — 5 0BVC,E,Q020-034 Cons tant V olume Wiring Schematic a50-8250 LEGEND NO TES: 1. See u nit nameplate f or electrical rating. 2. All f ield wiring must be i n accordance with NEC-NFP A #70. 3. 208/2 30-v units are f actory wired for 208 -v operation. F or 230-v operation, remov e ORG lead and replace with RED lead. Cap all un used lead[...]

56 Fig. 39 — 50BVT ,U,V034 Constan t V olume Wiring Schematic A50-8251 LEGEND NO TES : 1. See uni t nameplate f or electrical rating. 2. All field wiring must be in accorda nce with NEC-NFP A #70. 3. 208/230 -v units are f actory wired fo r 230-v operation. For 208-v operation, r emov e ORG lead and replace with RED lead. Cap all unused lead s. 4[...]

57 Fig. 40 — 50BVT ,U,V044-06 4 Constant V olume Wiring Schematic LEGEND NO TES: 1. See u nit nameplate f or electrical rating. 2. All f ield wiring must be i n accordance with NEC-NFP A #70. 3. 208/2 30-v units are f actory wired for 2 30-v operation. For 208-v o peration, remo v e ORG lead and replace i t with RED lead. Cap all un used leads. 4[...]

58 a50-8236 Fig. 41 — 50B VJ ,K020-034 V ariable A ir V olume Lo w V ol t a ge Schema tic NO TE: Jumper installed f or condenser water flo w switch when not supplied.[...]

59 L1 L2 L3 T3 T2 COMPR2 CLO2 CURRENT LOOP CC2 T1 L3 L2 L1 COMPR 1 CC1 T2 T3 T1 CURRENT LOOP CLO1 TRANS-1 CBR PCB1 (J1-3) COMMON TBLK BM BM T2 L2 L3 T3 BR L1 T1 T2 L2 L3 T3 BR L1 T1 W VFD E U V R S T2 T3 T1 1 3 2 BYP ASS ) GND 4 5 6 L3 L1 L2 TRANFORMER PRIMARY LEAD CLR: - PUR OR YEL - BLK/RED 460 575 380 240 208 - GRY - ORG - RED L1 L2 L3 GND L3 L2[...]

60 a50-8237 NO TE: Jumper installed f or condenser water flow switch when not supplied. Fig. 43 — 50BVW ,X034-064 V ariable Air V olume Lo w V ol t a ge Schema tic[...]

61 L1 T1 L2 T2 L3 T3 CC2 COMPR2 CLO2 CURRENT LOOP L1 L2 L3 T3 T2 COMPR 4 CLO4 CURRENT LOOP CC4 T1 L1 L2 L3 T3 T2 COMPR 3 CLO3 CURRENT LOOP CC3 T1 L3 L2 L1 COMPR 1 CC1 T2 T3 T1 CURRENT LOOP CLO1 TRANS-1 CBR PCB1 (J1-3) COMMON TBLK TRANS-4 CMP 2&4 CMP 2&4 CBR BM BM T2 L2 L3 T3 BR L1 T1 T2 L2 L3 T3 BR L1 T1 W VFD E U V T R S T2 T3 T1 1 3 2 BYP[...]

62 TRANS-2 (24V AC) CBR 1 2 16 3 14 13 12 15 5 4 6 7 10 9 8 11 2 1 3 5 1 2 4 3 8 6 7 10 9 13 12 11 14 15 16 17 18 MA_RA FL TS 3 5 TRMOP COMMON TB 2 31 TO PCB1 (J7) J7 J3 J4 J1 PCB2 1 2 3 4 5 6 7 8 SW1 1 2 3 4 5 6 7 8 SW2 1 2 3 4 5 6 7 8 SW4 1 2 3 4 5 6 7 8 SW3 1 2 3 4 1 2 3 4 SW6 SW5 0 1 EXT INT 20MA OTHER OTHER 10VDC AO DO AO DO + TRMOP - MSR2 MSR[...]

63 TRANS-1 (24V AC) CBR 1 2 16 3 14 13 12 15 5 4 6 7 10 9 8 11 2 1 3 5 1 2 4 3 8 6 7 10 9 13 12 11 14 15 16 ALARM RED +- + WARN - - IN OUT SPEED VIA CC P24 CC S1 R SF 5 3 BYP AS VFD1 SF + - CMP1 CLO1 LOGIC 1 2 3 + - CLO2 LOGIC 2 - 1 3 + CMP2 17 18 S 1 3 2 4 V C EWT DHS 5 3 ROCC 5 CDWF 3 5 3 FSD 4 6 64 6 4 64 CMP1 CMP2 CMP3 CMP4 + - DSP TRANS-3 (24V[...]

64 TRANS-1 (24V AC) CBR 1 2 16 3 14 13 12 15 5 4 6 7 10 9 8 11 2 1 3 5 1 2 4 3 8 6 7 10 9 13 12 11 14 15 16 ALARM RED +- + WARN - - IN OUT SPEED VIA CC P24 CC S1 R SF 5 3 BYP AS VFD1 SF + - CMP4 + - 2 1 3 CLO4 LOGIC CLO3 LOGIC 2 - 1 3 + CMP3 CMP1 CLO1 LOGIC 1 2 3 + - CLO2 LOGIC 2 - 1 3 + CMP2 17 18 S 1 3 2 4 V C EWT DHS 5 3 ROCC 5 CDWF 3 5 3 FSD 4 [...]

65 LEGEND AND NOTES FOR FIG. 41-47 LEGEND ALARM — Unit Alar m Relay (Critical F ault) ALM-CM — Alarm/Warning Rela y Common AO — Analog Output AQ UA — Aquastat BM — Blower Motor BPS_S — F an Start/Stop Re la y (VFD Bypass Mode) BR — Blower Rela y BYP AS — VFD Bypass Control CBR — Circuit Breaker CC — Compressor Contactor CCN — [...]

Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53500001-0 1 Printed in U .S.A. F orm 50BV -3SI Pg 66 10-08 Replaces: 50BV -2SI Copy right 2008 Carrier Cor poration[...]

CL-1 ST ART -UP CHECKLIST (Fill out this form on Start-Up and file in job folder) I. PRELIMINAR Y INFORMA TION: 50BV UNIT : MODEL NO. ____________________ SERIAL NO. ____________________ ST AR T -UP DA TE: ______________________________________ II. PRE-ST ART -UP: VERIFY ALL SHIPPING MA TERIALS HA VE BEEN REMOVED FROM THE UNIT IS THERE ANY SHIPPING[...]

Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53 500001-01 Printed in U .S.A. Form 50BV -3SI Pg CL-2 10-08 Replaces: 50BV -2SI Copy right 2008 Carrier Cor poration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [...]