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Manual Carrier 40RM

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  • Carrier 40RM - page 1

    Installation, Start-Up and Service Instructions CONTENTS Page SAFETY CONSIDERA TIONS ................. 1 PRE-INST ALLA TION ........................ 1 Moving and Storage ........................ 1 Rigging .................................... 1 INST ALLA TION ........................... 1-23 General .................................... 1 Uncrating . ...

  • Carrier 40RM - page 2

    T able 1A — 40RM Physical Data, English UNIT 40RM 007 008 012 014 016 024 028 034 NOMINAL CAP ACITY (T ons) 67 1 ⁄ 2 10 12 1 ⁄ 2 15 20 25 30 OPERA TING WEIGHT (lb) Base Unit with TXV 381 385 405 670 685 690 1020 1030 Plenum 97 97 97 140 140 140 180 180 F ANS Qty ...Diam. (in.) 1...15 1...15 1...15 2...15 2...15 2...15 2...18 2...18 Nominal Ai ...

  • Carrier 40RM - page 3

    T able 1B — 40RMQ Physical Data, English UNIT 40RMQ 008 012 016 NOMINAL CAP ACITY (T ons) 7 1 ⁄ 2 10 15 OPERA TING WEIGHT (lb) Base Unit with TXV 385 427 713 Plenum 97 97 140 F ANS Qty ...Diam. (in.) 1...15 1...15 2...15 Nominal Airflow (cfm) 3000 4000 6000 Airflow Range (cfm) 2250-3750 3000-5000 4500-7500 Nominal Motor Hp (Standard Motor) 20 ...

  • Carrier 40RM - page 4

    T able 1C — 40RMS Physical Data, English UNIT 40RMS 008 010 012 014 016 024 028 034 NOMINAL CAP ACITY (T ons) 7 1 ⁄ 2 8 1 ⁄ 2 10 12 1 ⁄ 2 15 20 25 30 OPERA TING WEIGHT (lb) Base Unit 390 391 391 661 677 683 1035 1042 Plenum 97 97 97 140 140 140 180 180 F ANS Qty ...Diam. (in.) 1...15 1...15 1...15 2...15 2...15 2...15 2...18 2...18 Nominal ...

  • Carrier 40RM - page 5

    T able 1D — 40RM Physical Data, SI UNIT 40RM 007 008 012 014 016 024 028 034 NOMINAL CAP ACITY (kW) 21 26 35 43 52 70 87 105 OPERA TING WEIGHT (kg) Base Unit with TXV 173 175 184 304 31 1 313 463 467 Plenum 44 44 44 63 63 63 82 82 F ANS Qty ...Diam. (mm) 1...381 1...381 1...381 2...381 2...381 2...381 2...457 2...457 Nominal Airflow (L/s) 1 133 ...

  • Carrier 40RM - page 6

    T able 1E — 40RMQ Physical Data, SI UNIT 40RMQ 008 012 016 NOMINAL CAP ACITY (kW) 26 35 52 OPERA TING WEIGHT (kg) Base Unit with TXV 175 194 323 Plenum 44 44 63 F ANS Qty ...Diam. (mm) 1...381 1...381 2...381 Nominal Airflow (L/s) 1604 1888 2831 Airflow Range (L/s) 1203-2006 1416-2360 2124-3539 Nominal Motor kW (Standard Motor) 208/230-1-60 1.7 ...

  • Carrier 40RM - page 7

    T able 1F — 40RMS Physical Data, SI UNIT 40RMS 008 010 012 014 016 024 028 034 NOMINAL CAP ACITY (kW) 26 29 35 43 52 70 87 105 OPERA TING WEIGHT (kg) Base Unit 177 177 177 300 307 310 469 473 Plenum 44 44 44 63 63 63 82 82 F ANS Qty ...Diam. (mm) 1...381 1...381 1...381 2...381 2...381 2...381 2...457 2...457 Nominal Airflow (L/s) 1416 1605 1888 ...

  • Carrier 40RM - page 8

    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 prevail. 4. Liquid piping not supplied by Car ...

  • Carrier 40RM - page 9

    Fig. 1B — Dimensions — Sizes 014-024 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 preva ...

  • Carrier 40RM - page 10

    Fig. 1C — Dimensions — Sizes 028,034 UNIT UNIT WEIGHT lb (kg) 40RM028 1020 (463) 40RM034 1030 (467) 40RMS028 1035 (469) 40RMS034 1042 (473) 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 S ...

  • Carrier 40RM - page 11

    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 discharging vertically through the top of the unit. The unit can also be applied in a horizontal arrangement with return air entering horizontally and the sup- ply air discharging horizontally . When apply ...

  • Carrier 40RM - page 12

    Unit Isolation — Where extremely quiet operation is essential, install isolators between 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 40RM Ser ...

  • Carrier 40RM - page 13

    IMPOR T ANT : Never attach the sensor to the suction manifold. Do NOT mount the sensor on a trapped por - tion of the suction line. 40RM Series evaporator coils have a face-split design. En- sure that lower circuit of coil is first on/last of f when con- nected to the condensing unit and/or system controls. See Fig. 6. External TXV equalizer conne ...

  • Carrier 40RM - page 14

    T able 2 — Factory-Installed Nozzle and Distributor Data UNIT TXV Qty ...Part No. DISTRIBUTOR Qty ...Part No. FEEDER TUBES PER DISTRIBUTOR* Qty ...Size (in.) NOZZLE Qty ...Part No. 40RM007 1...XVE-5 1...1 1 16 12 1...E5 40RM008 1...SVE-8 1...1 126 15 1...C6 40RMQ008 1...SVE-8 1...1657 15 1...C6 40RM012 2...XVE-4 2...1 1 15 9 2...E4 40RMQ012 2...X ...

  • Carrier 40RM - page 15

    T able 3 — Fitting Requirements UNIT ACCESS HOLE NO.* CONNECTION TYPE CIRCUIT FITTINGS REQUIRED† (in.) 40RM 007 1 Suction — 1 1 ⁄ 8 Street Elbow 1 1 ⁄ 8 Nipple, 10 5 ⁄ 8 L 1 1 ⁄ 8 Long Radius Elbow 3 Liquid — 5 ⁄ 8 Street Elbow 5 ⁄ 8 Nipple, 8 5 ⁄ 8 L 5 ⁄ 8 Long Radius Elbow 40RM 40RMQ 008 1 Suction — 1 1 ⁄ 8 Street Elbo ...

  • Carrier 40RM - page 16

    T able 3 — Fitting Requirements (cont) UNIT ACCESS HOLE NO.* CONNECTION TYPE CIRCUIT FITTINGS REQUIRED† (in.) 40RM 016 1 Suction Lower 1 1 ⁄ 8 Street Elbow 1 1 ⁄ 8 Nipple, 2 3 ⁄ 4 L 1 1 ⁄ 8 Long Radius Elbow 2 Liquid Lower 5 ⁄ 8 Street Elbow 5 ⁄ 8 Nipple, 1 3 ⁄ 8 L 5 ⁄ 8 Long Radius Elbow 3 Liquid Upper 5 ⁄ 8 Street Elbow 5 ? ...

  • Carrier 40RM - page 17

    T able 3 — Fitting Requirements (cont) UNIT ACCESS HOLE NO.* CONNECTION TYPE CIRCUIT FITTINGS REQUIRED† (in.) 40RMS 028, 034 5 Supply Lower 2 1 ⁄ 8 Long Radius Elbow 2 1 ⁄ 8 Nipple, 3 1 ⁄ 2 L 2 1 ⁄ 8 Long Radius Elbow 6 Return Lower 2 1 ⁄ 8 Long Radius Elbow 2 1 ⁄ 8 Nipple, 3 L 2 1 ⁄ 8 Long Radius Elbow 7 Return Upper 2 1 ⁄ 8 Lo ...

  • Carrier 40RM - page 18

    Condensate Drain — Install a trapped condensate drain line to unit connection as shown in Fig. 10. The unit drain connection is a PVC stub. See Fig. 1 1. Some areas may re- quire an adapter to connect to either galvanized steel or copper pipe. For these applications, install a field-supplied threaded PVC adapter . NOTE: A trap must be installed ...

  • Carrier 40RM - page 19

    Power Supply and Wiring — Check the unit data plate to ensure that available power supply matches electri- cal characteristics of the unit. Provide a disconnect switch of size required to provide adequate fan motor starting current. See T able s4-6f o r unit electrical data. Install disconnect switch and power wiring in accordance with all applic ...

  • Carrier 40RM - page 20

    T able 4 — Electrical Data, Standard Motors UNIT V*-PH-HZ VOL T AGE LIMITS F AN MOTOR POWER SUPPL Y Hp FLA Minimum Circuit Amps MOCP 40RM 007 208/230-1-60 187-253 1.3 7.6 9.5 15 208/230-3-60 187-253 2.4 5.8 7.3 15 460-3-60 414-528 2.4 2.6 3.3 15 575-3-60 518-632 1.0 1.35 1.7 15 230-3-50 207-253 2.4 5.8 7.3 15 400-3-50 360-440 2.4 2.6 3.3 15 40RM ...

  • Carrier 40RM - page 21

    T able 5 — Electrical Data, Alternate Motors UNIT V*-PH-HZ VOL T AGE LIMITS F AN MOTOR POWER SUPPL Y Hp FLA Minimum Circuit Amps MOCP 40RM 007 208/230-1-60 187-253 2.4 1 1.0 13.8 20 208/230-3-60 187-253 2.9 7.5 9.4 15 460-3-60 414-528 2.9 3.4 4.3 15 575-3-60 518-632 2.0 2.4 3.0 15 40RM 40RMQ 40RMS 008 208/230-3-60 187-253 2.9 7.5 9.4 15 460-3-60 ...

  • Carrier 40RM - page 22

    T able 6 — Fan Contactor Coil Data UNIT 40RM, 40RMQ 40RMS VOL T AGE (vac) MAXIMUM HOLDING VA 007-034 24 10 Connecting Ductwork — Refer to the Carrier Sys- tem Design Manual for the recommended design and layout of ductwork. Figure 15 shows recommended duct connec- tion to units with 2 fans. DISCHARGE CONNECTIONS — Duct flanges are factory su ...

  • Carrier 40RM - page 23

    ST ART -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 bearings securely mounted? • Are there any loose parts that will rattle or vibrate? • Is condensate drain pan pitched for correct drainage? • Are coil ba ...

  • Carrier 40RM - page 24

    Centering Fan Wheel — If fan and fan shaft assem- bly are not properly centered, blades may scrape against scroll or may create an objectionable whistling noise. It may be necessary to adjust individual fan wheels or move entire fan shaft. See the following two sections. Fan Shaft Position Adjustment — Loosen set- screw or locking collar of eac ...

  • Carrier 40RM - page 25

    Fan Pulley Alignment — Align as follows: 1. Loosen setscrews on pulleys. 2. Align pulleys visually and tighten setscrews on fan pul- ley to lock it in place. 3. Use the methods shown in Fig. 21 to check proper pulley alignment. 4. If pulleys are not in correct alignment, loosen the motor holddown bolts and slide the motor axially until the pul- l ...

  • Carrier 40RM - page 26

    T able 8A — Fan Motor Data, Standard Motor — English UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 208/230-1-60 Speed (rpm) 1725 1725 1725 — — — — — — Hp 1.3 2.4 2.4 — — — — — — Frame (NEMA) 56Y 56Y 56Y — — — — ? ...

  • Carrier 40RM - page 27

    T able 8C — Fan Motor Data, Standard Motor — SI UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 208/230-1-60 Speed (r/s) 28.75 28.75 28.75 — — — — — — Shaft kW 0.97 1.79 1.79 — — — — — — Frame (NEMA) 56Y 56Y 56Y — — — ...

  • Carrier 40RM - page 28

    T able 9A — Standard Drive Data, 60 Hz — English UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 MOTOR DRIVE Motor Pulley Pitch Diameter (in.) 2.4-3.4 2.8-3.8 2.8-3.8 3.4-4.4 2.8-3.8 2.8-3.8 3.7-4.7 4.3-5.3 4.3-5.3 Pulley Factory Setting Full T ur ...

  • Carrier 40RM - page 29

    T able 9C — High-Static Drive Data, 60 Hz — English UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 MOTOR DRIVE Motor Pulley Pitch Diameter (in.) 3.4-4.4 3.4-4.4 3.4-4.4 3.4-4.4 3.7-4.7 4.3-5.3 4.3-5.3 4.3-5.3 4.3-5.3 Pulley Factory Setting Full T ...

  • Carrier 40RM - page 30

    T able 9E — Medium-Static Drive Data, 50 Hz — English UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 MOTOR DRIVE Motor Pulley Pitch Diameter (in.) 3.4-4.4 3.4-4.4 3.4-4.4 3.4-4.4 3.4-4.4 3.7-4.7 4.0-5.0 4.3-5.3 4.3-5.3 Pulley Factory Setting Full ...

  • Carrier 40RM - page 31

    T able 9G — Standard Drive Data, 60 Hz — SI UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 MOTOR DRIVE Motor Pulley Pitch Diameter (mm) 61.0- 86.4 71.1- 96.5 71.1- 96.5 86.4- 1 1 1.8 71.1- 96.5 71.1- 96.5 94.0- 1 19.4 109.2- 134.6 109.2- 134.6 Pu ...

  • Carrier 40RM - page 32

    T able 9I — High-Static Drive Data, 60 Hz — SI UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 MOTOR DRIVE Motor Pulley Pitch Diameter (mm) 86.4- 1 1 1.8 86.4- 1 1 1.8 86.4- 1 1 1.8 86.4- 1 1 1.8 94.0- 1 19.4 109.2 134.6 109.2- 134.6 109.2- 134.6 ...

  • Carrier 40RM - page 33

    T able 9K — Medium-Static Drive Data, 50 Hz — SI UNIT 40RM 007 40RM 40RMQ 40RMS 008 40RMS 010 40RM 40RMQ 40RMS 012 40RM 40RMS 014 40RM 40RMQ 40RMS 016 40RM 40RMS 024 40RM 40RMS 028 40RM 40RMS 034 MOTOR DRIVE Motor Pulley Pitch Diameter (mm) 86.4- 1 1 1.8 86.4- 1 1 1.8 86.4- 1 1 1.8 86.4- 1 1 1.8 86.4- 1 1 1.8 94.0- 1 19.4 101.6- 127.0 109.2- 13 ...

  • Carrier 40RM - page 34

    T able 10A — Fan Performance Data — 0.0-1.2 in. wg ESP — English UNIT AIRFLOW (Cfm) EXTERNAL ST A TIC PRESSURE (in. wg) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 40RM 007 1,800 320 0.22 442 0.32 534 0.42 61 1 0.52 678 0.61 739 0.70 795 0.80 2,100 373 0.31 483 0.42 569 0.53 642 0.63 708 0.73 767 0.82 8 ...

  • Carrier 40RM - page 35

    T able 10B — Fan Performance Data — 1.4-2.4 in. wg ESP — English UNIT AIRFLOW (Cfm) EXTERNAL ST A TIC PRESSURE (in. wg) 1.4 1.6 1.8 2.0 2.2 2.4 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 40RM 007 1,800 847 0.89 896 0.98 942 1.07 986 1.16 1027 1.25 — — 2,100 872 1.02 920 1.1 1 965 1.21 1008 1.30 1050 1.40 — — 2,400 899 1.16 946 1. ...

  • Carrier 40RM - page 36

    Legend and Notes for T able 10A and 10B LEGEND Bhp — Brake Horsepower Input to Fan ESP — External Static Pressure NOTES: 1. Maximum allowable fan speed is 1 100 rpm for unit sizes 028 and 034; 1200 rpm for all other sizes. 2. Fan performance is based on deductions for wet coil, clean 2-in. filters, and unit casing. See right for factory-suppli ...

  • Carrier 40RM - page 37

    T able 10C — Fan Performance Data — 0-300 Pa ESP — SI UNIT AIRFLOW (L/s) EXTERNAL ST A TIC PRESSURE (Pa) 0 50 100 150 200 250 300 r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW 40RM 007 850 5.34 0.17 7.38 0.25 8.91 0.32 10.20 0.39 1 1.30 0.46 12.30 0.53 13.30 0.60 1000 6.28 0.24 8.10 0.32 9.53 0.40 10.80 0.48 1 1.80 0.55 12.80 0.63 13.70 0. ...

  • Carrier 40RM - page 38

    T able 10D — Fan Performance Data — 350-600 Pa ESP — SI UNIT AIRFLOW (L/s) EXTERNAL ST A TIC PRESSURE (Pa) 350 400 450 500 550 600 r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW 40RM 007 850 14.10 0.67 15.00 0.74 15.70 0.81 16.50 0.87 17.20 0.94 — — 1000 14.60 0.77 15.40 0.84 16.10 0.91 16.90 0.98 17.60 1.06 — — 1 150 15.10 0.88 15.90 0.96 ...

  • Carrier 40RM - page 39

    Legend and Notes for T ables 10C and 10D LEGEND ESP — External Static Pressure NOTES: 1. Maximum allowable fan speed is 18.3 r/s for unit sizes 028 and 034; 20 r/s for all other sizes. 2. Fan performance is based on deductions for wet coil, clean 51-mm filters, and unit casing. See right for factory-supplied filter pres- sure drop. 3. Refer to ...

  • Carrier 40RM - page 40

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  • Carrier 40RM - page 41

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  • Carrier 40RM - page 42

    Copyright 1995 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Ta b 3 c 2 e PC 1 1 1 Catalog No. 534-053 Printed in U.S.A. Form 40RM-9SI Pg 42 596 1 1-95 Replaces: 40RM-1SI ...

  • Carrier 40RM - page 43

    ST ART -UP CHECKLIST (SPLIT SYSTEMS WITH 40RM/RMQ/RMS UNITS) A. Preliminary Information OUTDOOR: MODEL NO. SERIAL NO. INDOOR: MODEL NO. SERIAL NO. ADDITIONAL ACCESSORIES B. Pre-Start-Up OUTDOOR UNIT IS THERE ANY SHIPPING DAMAGE? (Y/N) IF SO, WHERE: WILL THIS DAMAGE PREVENT UNIT ST ART -UP? (Y/N) CHECK POWER SUPPL Y . DOES IT AGREE WITH UNIT? (Y/N) ...

  • Carrier 40RM - page 44

    CHECK VOL T AGE IMBALANCE LINE-TO-LINE VOL TS: AB VA C VB C V (AB + AC + BC)/3 = A VERAGE VOL T AGE = V MAXIMUM DEVIA TION FROM A VERAGE VOL T AGE = V VOL T AGE IMBALANCE = 100 X (MAX DEVIA TION)/(A VERAGE VOL T AGE) = % IF OVER 2% VOL T AGE IMBALANCE, DO NOT A TTEMPT TO ST ART SYSTEM! CALL LOCAL POWER COMP ANY FOR ASSIST ANCE. C. Start-Up CHECK EV ...

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