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Carrier R-410A manual

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Table of contents for the manual

  • Page 1

    Inst allation, S t art-Up and Service Instructions T ABLE OF CONTENTS SA FE TY C ON SI DE RA TI ON S . . . . . . . . . . . . . . . . . . . . . . . 1 PR E- IN ST AL LA T IO N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Mo vi ng a nd St or ag e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Ri gg in g . . . . . . . . . [...]

  • Page 2

    2 PRE-INST ALLA TION 1. The power supply (v , ph, and Hz) must correspond to that specified on unit rating plate. 2. The electrical supply provided by the utility must be suf- ficient to handle load imposed by this unit. 3. Refer to Installation, General section (page 2) and Fig. 2A and Fig. 2B for locatio ns of electrical inlets, con- densate drai[...]

  • Page 3

    3 Fig. 2A — Dimensions – Size 25 LEGEND TXV — Thermostatic Expansion V alve NOTES: 1. Dimensions in [ ] are in millimeters. 2. Direction of airflow . 3. Recommended clearance: • Rear: 3 in. (76 mm) • Front: 2 ft, 6 in. (762 mm) • Right Side: 2 ft, 6 in. (762 mm) • Left Side: 2 ft, 6 in. (762 mm) • Local codes or jurisdiction may pre[...]

  • Page 4

    4 Fig. 2B — Dimensions – Sizes 28 and 30 UNIT UNIT WEIGHT lb (kg) 40RUA*28 1050 (477) 40RUA*30 1062 (482) 40RUS*28 1035 (469) 40RUS*30 1042 (473) LEGEND TXV — Thermostatic Expansion V alve NOTES: 1. Dimensions in [ ] are in millimeters. 2. Direction of airflow . 3. Recommended clearance: • Rear: 3 in. (76 mm) • Front: 2 ft, 6 in. (762 mm)[...]

  • Page 5

    5 Table 1A — 4 0RUA Physical Data, En glish — Cooling Unit s LEGEND UNIT 40RUA* 25 28 30 NOMINAL CAP ACIT Y (T o ns) 20 25 30 OPERA TING WEIGHT (lb) Base Unit with TXV 730 1050 1062 Plenum 225 325 3 25 FA N S Qty ...Diam. (in.) 2...15 2...18 2...18 Nominal Airflow (cfm) 8,000 10,000 12,000 Airflow Range (cfm) 6,000 – 10,000 7,500 – 12,500 9[...]

  • Page 6

    6 Table 1B — 40RUA Physical Data, SI — Cooling Units LEGEND U N I T 4 0 R U A * 2 52 83 0 NOMINAL CAP ACITY (kW) 70 87 105 OPERA TING WEIGHT (kg) Base Unit with TXV 331 477 482 Plenum 102 148 148 FA N S Qty ...Diam. (mm) 2...381 2...457 2...457 Nominal Airflow (L/s) 3775 41 19 5663 Airflow Range (L/s) 2831 – 4719 3539 – 5899 4247 – 7079 N[...]

  • Page 7

    7 Table 1C — 40RUS Physical Data, Eng lish — Chilled Water Units LEGEND U N I T 4 0 R U S * 2 52 83 0 NOMINAL CAP ACITY (T ons) 20 25 30 OPERA TING WEIGHT (lb) Base Unit 683 1035 1042 Plenum 225 325 325 FA N S Qty ...Diam. (in.) 2...15 2...18 2...18 Nominal Airflow (cfm) 8,000 10,000 12, 000 Airflow R ange (cfm) 6,000 – 10,000 7,500 – 12,50[...]

  • Page 8

    8 Table 1D — 40RUS Physical Data, SI — Chilled Water Units LEGEND U N I T 4 0 R U S * 2 52 83 0 NOMINAL CAP ACITY (kW) 70 87 105 OPERA TING WEIGHT (kg) Base Unit 310 469 473 Plenum 102 148 148 F ANS Qty ...Diam. (mm) 2...381 2...457 2...457 Nominal Airflow (L/s) 3775 4719 5663 Airflow Range (L/s) 2831 – 4719 3539 – 5899 4247 – 7079 Nomina[...]

  • Page 9

    9 Fig. 3 — Model Number Nomenclature Fig. 4 — Serial Number Nomenclature Unit Positioning — The unit can be mounted on the floor for vertical application with return air entering the face of the unit and supply air dischar ging vertically through the to p of the unit. The unit can also be applied in a horizontal arrangement with return air en[...]

  • Page 10

    10 Fig. 6 — Preferred Suspension Techn i que OVERHEAD SUSPENSION ACCESSORY UNIT SIZE 25 UNIT SIZES 28, 30 NOTE: Dimensions in [ ] are millimeters[...]

  • Page 11

    11 Unit Isolation — Where extremely quiet operation is essential, install isolators betw een floor and base of unit, or between ceiling and top section of unit. Be sure that unit is level and adequately supported. Use channels at front and sides of unit for reference points when leveling. Refrigerant and Chilled W ater Piping Access — The 40RU [...]

  • Page 12

    12 Fig. 8 — Face-Split Coi l Suction and Liquid Line Pi ping (Typical) Fig. 9 — Typical Evaporator Co il Connections (40RU) Fig. 10 — TXV Sensing Bulb Location LEGEND: TXV – Thermo static Expansion V alve NOTE: Component location arrang eme t shown for field installatio n of sight glasses, sole noi d valves, filter driers, and TXV sensin g [...]

  • Page 13

    13 Table 2 — Factory-Installed Nozzle and Distribu tor Data Table 3 — Fitt ing Requirements UNIT COIL TYPE STD TXV Qty ...Part No. DISTRIBUTOR Qty ...Part No. FEEDER TUBES PER DISTRIBUTOR † Qty ...Size (in.) NOZZLE Qty ...Part No. 40RU*25 4 Row 2...BBIZE-8-GA 2...1 135 18... 3 / 16 2...G6 40RU*28 4 Row 2...BBIZE-15-GA 2...1 126 20... 3 / 16 2[...]

  • Page 14

    14 Table 3 — Fit ting Requirement (cont) ‡ See Fig. 7 for acc es s hole location by numbe r . † Fittin gs are listed in order fr om header or tee stub con nection out to access hole in corner support post. UNIT ACCESS HOLE NO. ‡ CONNECT ION TYPE CIRCUIT FITTINGS REQUIRED † (in.) 40RUA28 1 Suction Lower 1 3 / 8 S treet Elbow 1 3 / 8 Nipple[...]

  • Page 15

    15 Chillled W ater Piping — See T ables 1C and 1D for chilled water connecton sizes. Fo r ease in bazing, it it recom- mended that all internal solder joints be made before unit is placed in final position. Knockouts are provided in the unit corner posts for 40RUS re- frigerant piping. Additional field -fabricated acces s holes are re- quired for[...]

  • Page 16

    16 Condensate Drain — Install a trapped condensate drain line to unit connection as shown in Fig. 12. The unit drain con- nection is a PVC stub. See Fig. 13. Some areas may require an adapter to connect to either galvanized steel or copper pipe. For these applications, install a field-supplied threaded PVC adapter . Fig. 12 — Condensate Dra ins[...]

  • Page 17

    17 Power Supply and Wiring — Check the unit data plate to ensure that available power supply matches electrical characteristics of the unit. Provide a disconnect switch with an integrated lock-out feature of size required to provide adequate fan motor starting current. See T ables 4-6 for unit electrical data. Fig. 14 — Disconne ct Swi tch and [...]

  • Page 18

    18 Table 4 — Electrical Data , Sta nda rd Mot ors See Legend and Notes below . Table 5 — Electrica l Da ta, Alternate Motor s See Legend and Notes below . Legend and Notes For T ables 4 and 5 UNIT V -PH-Hz † V O LTA G E LIMITS F AN MOTOR POWER SUPPL Y Hp (kW) FLA Minimum Circuit Amps MOCP 40RUA*25 40RUS*25 208/230-3-60 187-253 5.0 (3.73) 14.6[...]

  • Page 19

    19 Fig. 17 — Unit Wiring LEGEND NOTE: Use copper conductors only . EQUIP — Equipment GND — Ground HC — Heating Con tactor HTR — Electric Hea ter IFC — Indoor-Fan C ontactor IFM — Indoor-Fan Motor TB — Te r m i n a l B l o c k T’ST A T — Thermostat Factory Wiring Field Control Wi ring[...]

  • Page 20

    20 Table 6 — Fan Contac to r Coil Data Connecting Ductwork — Refer to the Carrier System Design Manual for the recommended design and layout of ductwork. Fig. 18 shows recommended duct connection to units with 2 fans. DISCHARGE CONNECTIONS — D uct fl an ge s a re factory-supplied; they are shi pped inside the unit attached to the hairpin end [...]

  • Page 21

    21 Fig. 19 — Duct Flange Ins t a lla tio n ST AR T -UP Before starting unit, check the following and correct as necessary: • Is unit solidly supported? • Is fan adjusted for speed and pulley alignment? • Are pulleys, motor , and b earings securely mounted? • Are there any loose parts that will rattle or vibrate? • Is condensate drain pa[...]

  • Page 22

    22 Centering Fan Wheel — If fan and fan shaft assembly are not properly centered, blades may scrape against the blower side scroll plate or may create an objectionable whistling noise. It may be necessary to adjust individual fan wheels or move en- tire fan shaft. See the following two sections. Fan Shaf t Position Adjustment — Loosen set- scre[...]

  • Page 23

    23 Fig. 23 — Fa n Rotation Fan Pulley Alignment — Align as follows: 1. Loosen setscrews on pulleys. 2. Align pulleys visually and tighten setscrews on fan pulley to lock it in place. 3. Use the methods shown in Fig. 24 to check proper pulley alignment. 4. If pulleys are not in correct alignment, loosen the motor holddown bolts and slide the mot[...]

  • Page 24

    24 Replacing Filters — Filters can be removed and in- stalled from either side of the unit. Install new filters in units that have one fan as follows: 1. Remove the side access panel (retain screws). 2. Remove the filter retainer clip (see Fig. 25). 3. Remove old filters by lifting and tilting them out of the filter track. See Fig. 15 and 26. Use[...]

  • Page 25

    25 Table 8A — Fan Motor Data, Standard Motor — English Table 8B — Fan Motor Data, Alternate Motor — English UNIT 40RUA*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 208/230-3-60 and 460-3-60 Speed (rpm) 1745 1745 1745 Hp 5.0 7.5 10.0 Frame (NEMA) S184T S213T S215T Shaft Dia (in.) 1 1 / 8 1 3 / 8 1 3 / 8 575-3-60 Speed (rpm) 1745 1755 1755[...]

  • Page 26

    26 Table 8C — Fan Motor Da ta, Standard Motor — SI Table 8D — Fan Motor Da ta, Alternate Motor — SI UNIT 40RUA*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 208/230-3-60 and 460-3-60 Speed (r/s) 29.08 29.08 29.08 Shaft kW 3.73 5.60 7.46 Frame (NEMA) S184T S213T S215T Shaft Dia (mm) 2 8 . 63 4 . 93 4 . 9 575-3-60 Speed (r/s) 29.08 29.25 29[...]

  • Page 27

    27 Table 9A — Standard Drive Data, 60 Hz — English Table 9B — Medium-Static Drive Data, 60 Hz — English UNIT 40RUA*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 MOTOR DRIVE Motor Pulley Pitch Diameter (in.) 3.7-4.7 4.3-5.3 4.3-5.3 Pulley Factory Setting Full T urns Open 3.0 3.0 3.0 F AN D RIVE Pulley Pitch Dia (in.) 9.4 1 1.0 1 1.0 Pulley[...]

  • Page 28

    28 Table 9C — High-Stat ic Drive Data, 6 0 Hz — English Table 9D — Standa rd Drive Data, 60 Hz — SI UNIT 40RUA*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 MOTOR DRIVE Motor Pulley Pitch Diameter (in.) 4.3-5.3 4.3-5.3 4.3-5.3 Pulley Factory Setting Full T urns Open 3.0 3.0 3.0 F AN D RIVE Pulley Pitch Dia (in.) 7.4 8.6 8.6 Pulley Bore (i[...]

  • Page 29

    29 Table 9E — Medium-Static Drive Data, 60 Hz — SI Table 9F — High-Static Drive Data, 60 Hz — SI UNIT 40RUA*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS830 MOTOR DRIVE Motor Pulley Pitch Diameter (mm ) 109.2- 134.6 109.2- 134.6 109.2- 134.6 Pulley Factory Setting Full T urns Open 3.0 3.0 3.0 F A N DRIVE Pulley Pitch Dia (mm) 239 239 239 Pul[...]

  • Page 30

    30 Table 10A — 40RU Standard Fan Performa n ce Data — 0.0-2.4 in. wg External Static Pressure — English See Legend and Notes on page 34. Table 10A — 40RU Standard Fan Performa n ce Data — 0.0-2.4 in. wg Extern al Static Pressure — English (cont) See Legend and Notes on page 34. UNIT AIRFLOW (Cfm) EXTERNAL ST A TIC PRESSURE (in. wg) 0.0 [...]

  • Page 31

    31 Table 10B — 40RU Standard Fan Performance Data — 0-600 kPa External Static Pressure — SI See Legend and Notes on page 34. Table 10B — 40RU Standard Fan Performance Data — 0-600 kPa External Static Pressure — SI (cont) See Legend and Notes on page 34. UNIT AIRFLOW (L/s) EXTERNAL ST A TIC PRESSURE (kPa) 0 50 100 150 200 250 300 r/s kW [...]

  • Page 32

    32 Table 10C — 4 0RU High-Capacity Fan Performance Data — 0.0-2.4 in. wg External Static Pressure — English See Legend and Notes on page 34. Table 10C — 4 0RU High-Capacity Fan Performance Data — 0.0-2.4 in. wg Extern al Static Pressure — English (cont) See Legend and Notes on page 34. UNIT AIRFLOW (Cfm) EXTERNAL ST A TIC PRESSURE (in. [...]

  • Page 33

    33 Table 10D — 4 0RU High-Capacity Fan Performance Data — 0-600 kPa External Static Pressure — SI See Legend and Notes on page 34. Table 10D — 4 0RU High-Capacity Fan Performance Data — 0-600 kPa External Static Pressure — SI (cont) See Legend and Notes on page 34. UNIT AIRFLOW (L/s) EXTERNAL ST A TIC PRESSURE (kPa) 0 50 100 15 0 200 25[...]

  • Page 34

    Copyright 2009 Ca rrier Corp • 7310 W . Morris S t. • Indianapolis, IN 46231 Printed in Mexico Edition Date: 09/09 Catalog No: 40RU-03SI Manufacturer reserves the right to change, at any time, spec ifica tions and designs without notice and without obligations. Replaces: New 34 Legend and Notes for T ables 10A and 10C LEGEND NOTES: 1. Maximum a[...]

  • Page 35

    CL-1 ST A RT -UP CHECKLIST (SPLIT SYSTEMS WITH 40RU UNITS) I. PRELIMINAR Y INFORMA TION OUTDOOR: MODEL NO. _______________ __________ SERIAL NO. __________________ _________________ INDOOR: MODEL NO. ________ ___________________ SERIAL NO. __ ________________________________ _ ADDITIONAL ACCESSORIES ____ ___________________________ ________________[...]

  • Page 36

    Copyright 2009 Carr ier Corp • 7310 W . Morris S t. • Indianapolis, IN 46231 Printed in Mexico Edition Date: 09/09 Catalog No: 40RU-03SI Manufacturer reserves the right to change, at any time, spec ifications and designs without notice and without obligations. Pg CL -2 Replaces: New - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [...]