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40RM
40RMQ
40RMS
Packaged Air-Handling Units
50/60 Hz
Installation, Start-Up and
Service Instructions
filters.All other operations should be performed by trained
CONTENTS
service personnel.
Page
When working on the equipment, observe precautions in
SAFETY CONSIDERATIONS ................. 1
theliteratureandontags,stickers,andlabelsattachedtothe
PRE-INSTALLATION ........................ 1
equipment.
Moving and Storage ........................ 1
•Follow all safety codes.
Rigging ....................
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Table 1A — 40RM Physical Data, English UNIT 40RM 007 008 012 014 016 024 028 034 1 1 NOMINAL CAPACITY (Tons) 67⁄2 10 12 ⁄2 15 20 25 30 OPERATING WEIGHT (lb) Base Unit with TXV 381 385 405 670 685 690 1020 1030 Plenum 97 97 97 140 140 140 180 180 FANS Qty...Diam. (in.) 1...15 1...15 1...15 2...15 2...15 2...15 2...18 2...18 Nominal Airflow (cfm) 2400 3000 4000 5000 6000 8,000 10,000 12,000 1800- 2250- 3000- 3750- 4500- 6,000- 7,500- 9,000- Airflow Range (cfm) 3000 3750 5000 6250 7500 10,000 12,500
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Table 1B — 40RMQ Physical Data, English UNIT 40RMQ 008 012 016 1 NOMINAL CAPACITY (Tons) 7 ⁄2 10 15 OPERATING WEIGHT (lb) Base Unit with TXV 385 427 713 Plenum 97 97 140 FANS 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) 208/230-1-60 2.4 — — 208/230-3-60 and 460-3-60 2.4 2.4 3.7 575-3-60 2.0 2.0 3.0 230-3-50, 400-3-50 2.4 2.9 2.9 Motor Speed (rpm) 208/230-1-60 1725 — — 208/230-3-60 and
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Table 1C — 40RMS Physical Data, English UNIT 40RMS 008 010 012 014 016 024 028 034 1 1 1 NOMINAL CAPACITY (Tons) 7 ⁄2 8 ⁄2 10 12 ⁄2 15 20 25 30 OPERATING WEIGHT (lb) Base Unit 390 391 391 661 677 683 1035 1042 Plenum 97 97 97 140 140 140 180 180 FANS Qty...Diam. (in.) 1...15 1...15 1...15 2...15 2...15 2...15 2...18 2...18 Nominal Airflow (cfm) 3000 3400 4000 5000 6000 8000 10,000 12,000 Airflow Range (cfm) 2250-3750 2250-4250 3000-5000 3750-6250 4500-7500 6000-10,000 7500-12,500 9000-15,000 Nomin
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Table 1D — 40RM Physical Data, SI UNIT 40RM 007 008 012 014 016 024 028 034 NOMINAL CAPACITY (kW) 21 26 35 43 52 70 87 105 OPERATING WEIGHT (kg) Base Unit with TXV 173 175 184 304 311 313 463 467 Plenum 44 44 44 63 63 63 82 82 FANS Qty...Diam. (mm) 1...381 1...381 1...381 2...381 2...381 2...381 2...457 2...457 Nominal Airflow (L/s) 1133 1604 1888 2360 2831 3775 4719 5663 Airflow Range (L/s) 850-1416 1203-2006 1416-2360 1770-2949 2124-3539 2831-4719 3539-5899 4247-7079 Nominal Motor kW (Standard M
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Table 1E — 40RMQ Physical Data, SI UNIT 40RMQ 008 012 016 NOMINAL CAPACITY (kW) 26 35 52 OPERATING WEIGHT (kg) Base Unit with TXV 175 194 323 Plenum 44 44 63 FANS 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 1.79 — — 208/230-3-60 and 460-3-60 1.79 1.79 2.76 575-3-60 1.49 1.49 2.24 230-3-50, 400-3-50 1.79 2.16 2.16 Motor Speed (r/s) 208/230-1-60 28.8 — — 208/230-3-60 and
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Table 1F — 40RMS Physical Data, SI UNIT 40RMS 008 010 012 014 016 024 028 034 NOMINAL CAPACITY (kW) 26 29 35 43 52 70 87 105 OPERATING WEIGHT (kg) Base Unit 177 177 177 300 307 310 469 473 Plenum 44 44 44 63 63 63 82 82 FANS 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 2360 2831 3775 4719 5663 1062- 1204- 1416- 1770- 2124- 2831- 3539- 4247- Airflow Range (L/s) 1770 2006 2360 2949 3539 4719 5899 7079 Nominal Motor kW (Standard
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TXV — Thermostatic Expansion Valve 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 Carrier. 5. Duct flange is factory supplied and field installed. 6. 40RMSunitsmayrequirealternateorad- ditionalfield-fabricatedpipingaccessholes. UNIT WEIGHT UNIT lb (kg) 40RM00
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TXV — Thermostatic Expansion Valve 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 Carrier. 5. Duct flange is factory supplied and field installed. 6. 40RMQ016 and 40RMS units may re- quirealternateoradditionalfield-fabricated piping access holes. UNIT WEIGHT
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UNIT WEIGHT UNIT lb (kg) 40RM028 1020 (463) 40RM034 1030 (467) 40RMS028 1035 (469) 40RMS034 1042 (473) TXV — Thermostatic Expansion Valve 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 Carrier. 5. Ductflangeisfactorysuppliedandfield installed. 6. 40RMSunitsm
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*YC and WD option codes for all 034 size units and 008, 010 units with 208/230-1-60 power designate standard motor and high-static drive. NOTE: See the following table for the sizes available for each unit. UNIT 007 008 010 012 014 016 024 028 034 40RM XX XXXXXX 40RMQ XXX 40RMS XXXXXXXX Fig. 2 — Model Number Nomenclature Unit Positioning — The unit can be mounted on the floorforverticalapplicationwithreturnairenteringtheface oftheunitandsupplyairdischargingverticallythroughthe top of the unit. Th
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Unit Isolation — Where extremely quiet operation is RefrigerantPiping— SeeTables1A,1B,1D,1Efor essential, install isolators between floor and base of unit, or refrigerant pipe connection sizes. For ease in brazing, it is between ceiling and top section of unit. recommended that all internal solder joints be made before unit is placed in final position. Be sure that unit is level and adequately supported. Use channelsatfrontandsidesofunitforreferencepointswhen The 40RM and 40RMQ direct-expansion un
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IMPORTANT: Neverattachthesensortothesuction manifold.DoNOTmountthesensoronatrappedpor- tion of the suction line. 40RMSeriesevaporatorcoilshaveaface-splitdesign.En- sure that lower circuit of coil is first on/last off when con- nected to the condensing unit and/or system controls. See Fig. 6. ExternalTXVequalizerconnectionsareprovidedandfactory- brazed into the coil suction manifolds. If suction line must be horizontal, clamp bulb to suction line at least 45 degrees above bottom, at approximately
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Table 2 — Factory-Installed Nozzle and Distributor Data FEEDER TUBES TXV DISTRIBUTOR NOZZLE UNIT PER DISTRIBUTOR* Qty...Part No. Qty...Part No. Qty...Part No. Qty...Size (in.) 40RM007 1...XVE-5 1...1116 12 1...E5 40RM008 1...SVE-8 1...1126 15 1...C6 40RMQ008 1...SVE-8 1...1657 15 1...C6 40RM012 2...XVE-4 2...1115 9 2...E4 40RMQ012 2...XVE-4 2...1655 9 2...E4 40RM014 2...XVE-5 2...1115 9 2...E5 40RM016 2...XVE-8 2...1116 12 2...E6 40RMQ016 2...SVE-8 2...1126 16 2...C6 40RM024 2...XVE-10 2...1116
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Table 3 — Fitting Requirements ACCESS CONNECTION FITTINGS REQUIRED† UNIT CIRCUIT HOLE NO.* TYPE (in.) 1 1 ⁄8 Street Elbow 1 5 1 Suction — 1 ⁄8 Nipple, 10 ⁄8 L 1 1 ⁄8 Long Radius Elbow 40RM 5 007 ⁄8 Street Elbow 5 5 3 Liquid — ⁄8 Nipple, 8 ⁄8 L 5 ⁄8 Long Radius Elbow 1 1 ⁄8 Street Elbow 1 5 1 Suction — 1 ⁄8 Nipple, 8 ⁄8 L 40RM 1 1 ⁄8 Long Radius Elbow 40RMQ 5 ⁄8 Street Elbow 008 5 5 3 Liquid — ⁄8 Nipple, 8 ⁄8 L 5 ⁄8 Long Radius Elbow 3 3 1 ⁄8 Nipple, 4 ⁄8 L 3 1 ⁄8 Long Radius Elbow 4 Return — 3 3
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Table 3 — Fitting Requirements (cont) ACCESS CONNECTION FITTINGS REQUIRED† UNIT CIRCUIT HOLE NO.* TYPE (in.) 1 1 ⁄8 Street Elbow 1 3 1 Suction Lower 1 ⁄8 Nipple, 2 ⁄4 L 1 1 ⁄8 Long Radius Elbow 5 ⁄8 Street Elbow 5 3 2 Liquid Lower ⁄8 Nipple, 1 ⁄8 L 5 ⁄8 Long Radius Elbow 40RM 5 ⁄8 Street Elbow 016 5 1 3 Liquid Upper ⁄8 Nipple, 11 ⁄2 L 5 ⁄8 Long Radius Elbow 1 5 1 ⁄8 Nipple, 5 ⁄8 L 1 1 ⁄8 Long Radius Elbow 4 Suction Upper 1 1 ⁄8 Nipple, 13 L 1 1 ⁄8 Long Radius Elbow 1 1 ⁄8 Nipple, 3 L 3 Suction L
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Table 3 — Fitting Requirements (cont) ACCESS CONNECTION FITTINGS REQUIRED† UNIT CIRCUIT HOLE NO.* TYPE (in.) 1 2 ⁄8 Long Radius Elbow 1 1 5 Supply Lower 2 ⁄8 Nipple, 3 ⁄2 L 1 2 ⁄8 Long Radius Elbow 1 2 ⁄8 Long Radius Elbow 1 6 Return Lower 2 ⁄8 Nipple, 3 L 1 2 ⁄8 Long Radius Elbow 40RMS 1 028, 034 2 ⁄8 Long Radius Elbow 1 7 7 Return Upper 2 ⁄8 Nipple, 6 ⁄8 L 1 2 ⁄8 Long Radius Elbow 1 2 ⁄8 Long Radius Elbow 1 7 8 Supply Upper 2 ⁄8 Nipple, 11 ⁄8 L 1 2 ⁄8 Long Radius Elbow 3 1 ⁄8 Street Elbow 3 1
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outlet at both ends of the unit, push drain pan down in CondensateDrain— Installatrappedcondensatedrain the slots near the drain connection, and up in the slots line to unit connection as shown in Fig. 10. The unit drain on the opposite end. Retighten screws. The pan should connection is a PVC stub. See Fig. 11. Some areas may re- 1 haveapitchofatleast ⁄4-in.overitslengthtowardthedrain quire an adapter to connect to either galvanized steel or connection. copper pipe. For these applications, inst
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21 22 23 230-v,3-ph,60Hzoperation.Rewirethemotoraccordingto Power Supply and Wiring — Check the unit data thediagramplateonthemotor.Afterreconfiguringthemo- plate to ensure that available power supply matches electri- tor,placethestickerspecifying230-voperation(suppliedin calcharacteristicsoftheunit.Provideadisconnectswitchof installation packet) over the 460-v sticker on the units cor- sizerequiredtoprovideadequatefanmotorstartingcurrent. ner post. See Tables4-6for unit electrical data. Fan moto
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Table 4 — Electrical Data, Standard Motors FAN MOTOR POWER SUPPLY VOLTAGE UNIT V*-PH-HZ Minimum LIMITS Hp FLA MOCP Circuit Amps 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 40RM 007 575-3-60 518-632 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 15 208/230-1-60 187-253 2.4 11.0 13.8 20 208/230-3-60 187-253 2.4 5.8 7.3 15 40RM 460-3-60 414-528 2.4 2.6 3.3 15 40RMQ 40RMS 575-3-60 518-632 2.0 2.4 3.0 15 008 230
