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Carrier 40RU - page 1
40RU P ackag ed Air - - - Handling Unit s 60 Hz W ith P uron R (R - - - 410A) Refrig erant Sizes 25, 28, 30 Installation, Start - - - Up and Service Instructions T ABLE OF CONTENTS SAFET Y CONSIDE RA TIONS 1 ................... PR E - - INS T ALLA TION 2 ......................... Moving and Storage 2 .......................... Rigging 2 ........... ...
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Carrier 40RU - page 2
2 ELECTRIC AL SHOCK H AZARD Failure t o follow thi s warning c ould ca use in personal injury or dea th. Before performi ng service or ma intena nce opera tions on unit, a lways turn off main power switch t o unit and install l ockout ta g. Unit may have more than one power switch. ! W ARNING UNIT OP ERA TION AND SAF ETY H AZARD Failure t o follow ...
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Carrier 40RU - page 3
3 T able 1A — 40RUA Physi cal D ata, Engli sh — Cooli ng Units UNI T 40RUA* 25 28 30 NOM INA L CA P A C IT Y ( T o ns ) 20 25 30 OPERA TIN G WEIGHT (l b) Base Unit wi th T XV 730 1050 1062 Plenum 225 325 325 FA NS Qty ...D iam . (in .) 2...15 2...18 2...18 No minal Airflow ( cfm) 8000 10000 12000 Airflo w Range (cfm) 6000 – 10000 7500 – 125 ...
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Carrier 40RU - page 4
4 T able 1B — 40RUA Physi cal Dat a, SI — Cool ing Unit s UNI T 40RUA* 25 28 30 NOM INA L CA P A C IT Y ( kW) 70 87 105 OPERA TIN G WEIGHT (k g) Base U nit wi th T XV 331 477 482 Plenum 102 148 148 FA NS Qty ...D ia m. (mm ) 2...381 2...457 2...457 Nomi na l A i rf lo w (L/s) 3775 4119 5663 Airflo w Range (L/s ) 2831 – 4719 3539 – 5899 4247 ...
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Carrier 40RU - page 5
5 T able 1C — 40RUQ Physi cal D ata, Engli sh — He at Pump Unit s UNI T 40RUQ* 25 NOM INA L CA P A C IT Y ( T o ns ) 20 OPERA TIN G WEIGHT (l b) Base U nit wi th T XV 720 Plenum 140 FA NS Qty ...D iam . (in .) 2...15 No minal Airflow ( cfm) 8000 Airflo w Range (cfm) 6000 - - - 10000 Nominal Motor Hp (Stan dard Motor) 208/230 - - - 3 - - - 60 an ...
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Carrier 40RU - page 6
6 T able 1D — 40RUA Physi cal D ata, SI — He at Pump Unit s UNI T 40RUQ* 25 NOM INA L CA P A C IT Y ( kW) 70 OPERA TIN G WEIGHT (k g) Base U nit wi th T XV 326 Plenum 44 FA NS Qty ...D ia m. (mm ) 2...381 Nomi na l A i rf lo w (L/s) 3775 Airflo w Range (L/s ) 2831 - - - 4719 Nominal Motor kW (Standa rd Motor) 208/230 - - - 3 - - - 60 and 460 - ...
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Carrier 40RU - page 7
7 T ab le 1E — 40 RU S Ph y sical Da ta , Eng lish — Ch illed W a ter Units UNI T 40RUS* 25 28 30 NOM INA L CA P A C IT Y ( T o ns ) 20 25 30 OPERA TIN G WEIGHT (l b) Base U ni t 683 1035 1042 Plenum 225 325 325 FA NS Qty ...D iam . (in .) 2...15 2...18 2...18 No minal Airflow ( cfm) 8000 10000 12000 Airflo w Range (cfm) 6000 – 10000 7500 – ...
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Carrier 40RU - page 8
8 T ab le 1F — 4 0R US P h ysica l D a ta, S I — C h illed Water Un its UNI T 40RUS* 25 28 30 NOM INA L CA P A C IT Y ( kW) 70 87 105 OPERA TIN G WEIGHT (k g) Base U ni t 310 469 473 Plenum 102 148 148 FA NS Qty ...D ia m. (mm ) 2...381 2...457 2...457 Nomi na l A i rf lo w (L/s) 3775 4719 5663 Airflo w Range (L/s ) 2831 – 4719 3539 – 5899 ...
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Carrier 40RU - page 9
9 UNIT UNIT WEIGHT lb (kg) 40RUA*25 730 (331) 40RUQ*25 720 (326) 40RUS*25 683 (310) LEGEND TXV — Thermostatic Expansion V a lve NOTES: 1. Dimensions in [ ] are in millimeters. 2. Direction of airflow . 3. Recommended clearance: • Rear: 3 in. [914 mm] (2 ft, 6 in. [762 mm] with electric heat accessory) • Front: 2 ft, 6 in. [762 mm] • Right S ...
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Carrier 40RU - page 10
10 6. 40RUS may require alternate or additional field favricated poping access holes UNIT 40RUA*28 40RUA*30 40RUS*28 40RUS*30 UNIT WEIGHT lb (kg) 1050 (477) 1062 (482) 1035 (469) 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. ...
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Carrier 40RU - page 11
11 Model T ype 40RU = Carrier Fan Coil Puron r R–410ARefrigerant Ty p e o f C o i l Q = Heat Pump A = StandardDXCoil S = Chilled Water Coil Refr igeran t Options A = None No minal T onnage 25 = 20 T ons 28 = 25 Tons 30 = 30 T ons Not U sed A=P l a c eH o l d e r Indoor Fan Options 1 = Fan Drive and Motor - Low / Motor Efficiency - Standard 2 = Fa ...
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Carrier 40RU - page 12
12 T ypical posit ioning and al terna te return a ir loca tions are shown in Fig. 6. Alt ernat e re turn ai r l ocat ions can be used by moving the unit panel from the alt ernate ret urn air locat ion to the standard ret urn a ir loca tion. Refe r to overh ead sus pension acces sory d rawing (F ig. 7) for preferre d suspension t echni que. The uni ...
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Carrier 40RU - page 13
13 Un it Isola tion - - W here extrem ely qui et operati on is ess ential, install isolato rs between floor and bas e of unit, or between ceilin g and top section o f unit. Be sure that unit i s level and adequa tel y supported. Use channe ls at front and sides of unit for refere nce point s when leve ling. Refrig erant an d Chilled W a ter Pip ing ...
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Carrier 40RU - page 14
14 LEGEND: TXV – Therm ostatic Expansio n V alve NOTE: Component location arrange metshown for field installation of sight glasses, solenoid val ves, filter driers, and TXV sensing bulbs. The TXVs an d equilizer lines are fact ory installed . UPPER SPLIT AIRFLOW LOWER SPLIT AIRFLOW 15 DIAMS MIN 10 DIAMS 8 DIAMS MIN TXV SENSING BULB EQUALIZER LINE ...
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Carrier 40RU - page 15
15 T able 2 – Factory- - Ins talled N ozzle and Distrib utor D ata UNI T COIL TYPE STD TXV Qty ...Pa rt No. DISTRIBUT OR Qty ...Pa rt No. FEEDER TUB ES PER DIST RIBUT OR { Qty ...S iz e (in .) NOZZL E Qty ...Pa rt No. 40RU A* 25 4R o w 2 . . . B B I Z E --- 8 --- G A 2...D196 - - - 18 - - - 3 / 16 18... 3 / 16 2...G6 40RU A* 28 4R o w 2 . . . B B ...
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Carrier 40RU - page 16
16 T abl e 3 — F it ting Re qui reme nt (c ont ) UNI T ACCES S HOL E NO . } CON NECTI ON TYPE CIRCUI T FIT TINGS R EQU IRED † (in.) 40RUA*28 1 Suction Lower 1 3 / 8 Street Elbow 1 3 / 8 Nippl e, 11 L 1 3 / 8 Long Radius El bow 2 Liqui d Lower 5 / 8 Street Elbow 5 / 8 Nippl e, 1 1 / 2 L 5 / 8 Long Radius El bow 3 Liqui d Upper 5 / 8 Street Elbow ...
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Carrier 40RU - page 17
17 Ch illed W ater Pipin g - - See T ables 1E and 1F for chilled water con nection sizes . For eas e in brazing, it it recommend ed that all intern al solder joints be made befor e unit is placed in f inal position . Knockouts are provided i n the unit corne r posts for 40RUS refrigera nt piping. Additi onal fiel d - - fabri cat ed access h oles ar ...
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Carrier 40RU - page 18
18 Conde nsate Dr ai n - - Install a trappe d c ondensate drai n line t o unit c onnect ion as shown in Fig. 13. T he unit drai n connectio n is a P VC stu b. See Fig . 14. S ome areas may requir e an adapter to con nect to either galvan ized steel or copper pi pe. For these applicat ions, insta ll a field - - supplied t hreade d PVC adapter . 3” ...
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Carrier 40RU - page 19
19 Po wer Suppl y a nd Wiri ng - - Check th e unit data plate to ensure that ava ila ble power supply ma tche s elect rical characteris tics of the un it. Pro vide a disconnect sw itch with an integrated lock- - out feature of size required to provide adequa te fan mot or starting curre nt. See T a bles 4- - 6 for u nit electrical data. ELECTRIC AL ...
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Carrier 40RU - page 20
20 T able 4 – Electrica l D ata, Sta ndard Motors UNI T V --- P H --- H z { VOL TAGE LIMITS FAN MOTOR POWER SUPPL Y Hp (k W) FLA Minimum Circui t Amps MOCP 40RUA*25 40RUQ*25 40RUS*25 208/230 - - - 3 - - - 60 187 - - - 253 5.0 (3.73) 14.7/13.6 18.4/17.0 30/25 4 6 0 --- 3 --- 6 0 414 - - - 506 5.0 (3.73) 6.8 8.5 15 5 7 5 --- 3 --- 6 0 518 - - - 632 ...
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Carrier 40RU - page 21
21 C10695 Fig. 18 - - Unit W ir ing T able 6 – Fan Contactor Coil Data UNI T 40RU* VOL TAGE (vac) MAXIMUM HOL DIN G VA 25, 28, 30 24 10 Conne cti ng Duc twor k - - Re fer to t he Carri er System Design Manual for t he recom mende d design and layout of ductwork. Fig. 19 shows recomm ended duc t conne ction to units w ith 2 fans. UNIT OP ERA TION ...
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Carrier 40RU - page 22
22 C10696 Fi g. 1 9 - - T ypica l Fa n Dischar ge Co nnec ti ons for M ult ipl e Fa n Units C10697 Fig. 20 - - Duct Flange Installation 40RU ...
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Carrier 40RU - page 23
23 ST ART- - UP Befor e starting un it, check the follow ing an d correct as neces sary: S Is unit soli dly supporte d? S Is fan adjusted for spee d and pull ey al ignment ? S Are pulle ys, motor , and beari ngs securely m ounted? S Are th ere any loo se parts that will r attle or vibrate? S Is condensate drain pan pit ched for c orrect drainage ? ...
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Carrier 40RU - page 24
24 Fan Motor Lub r icati on - - Fan motor supplie d with unit is permanen tly lubricated and requir es no fur ther lubrica tion. Fan Shaft Beari ngs - - Size 25- - 30 units have pillow- - block bearing s (F ig. 23) that must be lubr icated with su itable beari ng grease approximat ely e very 3 months. S e e T able 7 for suitable l ubrica nts. T abl ...
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Carrier 40RU - page 25
25 Indivi dual Fa n Whee l Adjustme nt - - Loosen the 2 locking bol ts holding fan w he el hub to shaft. See Fig. 23. Pos ition fan wheel in center of the fan housing and tighten locking bolt s. Clearanc e between whee l and housing should be the sa me on both side s. Fan Belts - - Motor mounti ng plat e and m otor support angles are slotted to per ...
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Carrier 40RU - page 26
26 Ch illed W ater Co il Freeze Pr otection - - Shut off water supply to unit. Remove side panel of unit a nd remove ve nt and drain pl ugs i n top and bottom of c oil heade r . Drai n coil and blo w out r emaining water . Reins tall plugs and side panel. Alternative freeze pr otection methods follow: S Circula te hot water withi n the wat er coil ...
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Carrier 40RU - page 27
27 Table 8A - - Fan Motor D ata, Standar d Motor — Engli sh UNI T 40RUA*25 40RUQ*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 208/230 - - - 3 - - - 60 and 460 - - - 3 - - - 60 Speed (rp m) 1745 1745 1745 Hp 5.0 7.5 10.0 Fr a me ( NE M A ) S184T S213T S215T Shaft Dia (in.) 1 1 / 8 1 3 / 8 1 3 / 8 5 7 5 --- 3 --- 6 0 Speed (rp m) 1745 1755 1755 ...
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Carrier 40RU - page 28
28 T able 8C - - Fan Motor Dat a, Standard Mot or — SI UNI T 40RUA*25 40RUQ*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 Fr a me ( NE M A ) S184T S213T S215T Shaft Dia (mm) 28.6 34.9 34.9 5 7 5 --- 3 --- 6 0 Speed (r/ s) 29.08 29.25 29.25 S ...
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Carrier 40RU - page 29
29 T able 9A - - Standar d Dri ve Data, 60 Hz — Englis h UNI T 40RUA*25 40RUQ*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 MOTOR DRI VE Moto r Pulley Pit ch Diamet er (in.) 3.7 - - - 4.7 4.3 - - - 5.3 4.3 - - - 5.3 Pu lle y Fa ctor y Se ttin g Ful l T u r n s O pe n 3.0 3.0 3.0 FA N DR I V E Pulley Pitch Dia (in.) 9.4 11.0 11.0 Pulley Bore (in ...
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Carrier 40RU - page 30
30 T ab le 9C - - High - - S tatic D rive D a ta, 6 0 H z — E ng lish UNI T 40RUA*25 40RUQ*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 MOTOR DRI VE Moto r Pulley Pit ch Diamet er (in.) 4.3 - - - 5.3 4.3 - - - 5.3 4.3 - - - 5.3 Pu lle y Fa ctor y Se ttin g Ful l T u r n s O pe n 3.0 3.0 3.0 FA N DR I V E Pulley Pitch Dia (in.) 7.4 8.6 8.6 Pull ...
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Carrier 40RU - page 31
31 T ab le 9E - - Mediu m - - S ta tic Driv e Da ta , 6 0 Hz — S I UNI T 40RUA*25 40RUQ*25 40RUS*25 40RUA*28 40RUS*28 40RUA*30 40RUS*30 MOTOR DRI VE Moto r Pulley Pitc h Diameter (mm) 109.2 - - - 134.6 109.2 - - - 134.6 109.2 - - - 134.6 Pu lle y Fa ctor y Se ttin g Ful l T u r n s O pe n 3.0 3.0 3.0 FA N DR I V E Pulley Pitch Dia (mm) 239 239 23 ...
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Carrier 40RU - page 32
32 T able 10A - - 40RU Standard Fan Perf ormanc e Data — 0.0- -2.4 in. wg Exte rnal Stat ic Pr es sur e — Engl ish UNIT AIRFL OW (Cfm ) EXTER NAL STATIC PRE SSU RE ( 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 40RUA* 25 40RU Q* 25 40RU S* 25 6,000 532 1.25 569 1.39 639 1.69 711 2.06 781 2.48 846 ...
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Carrier 40RU - page 33
33 T able 10B - - 40RU Standard Fan Perf ormanc e Data — 0- - 600 kPa Exte rnal St atic Pr e ss ure — SI UNIT AIRFL OW (L/s) EXTER NAL STATIC PRE SSU RE ( kPa) 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 40RUA* 25 40RU Q* 25 40RU S* 25 2830 8.86 0.94 9.48 1.04 10.65 1.26 11.84 1.53 13.01 1.85 14.10 2.19 15.08 2.53 ...
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Carrier 40RU - page 34
34 T able 10C - - 40RU High- - Capaci ty Fan Per form ance Data — 0.0- -2.4 in. wg Exte rnal Stat ic Pr es sur e — Engl ish UNIT AIRFL OW (Cfm ) EXTER NAL STATIC PRE SSU RE ( 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 40RUA* 25 40RU Q* 25 40RU S* 25 6,000 542 1.29 577 1042 646 1.72 716 2.09 785 ...
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Carrier 40RU - page 35
35 T able 10D - - 40RU High- - Capaci ty Fan Per form ance Data — 0- - 600 kPa Exte rnal St atic Pr e ss ure — SI UNIT AIRFL OW (L/s) EXTER NAL STATIC PRE SSU RE ( kPa) 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 40RUA* 25 40RU Q* 25 40RU S* 25 2830 9.03 0.96 9.62 1.06 10.77 1.29 11.94 1.56 13.08 1087 14.15 2.20 15 ...
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Carrier 40RU - page 36
36 Legend and No tes for T ables 10A an d 10C LEGEND Bhp - - - Brake Ho rsep ower I nput to F an ESP - - - E xternal Stati c Press ure NOTES: 1. Maximum allowable fan speed for size 25 un its i s 1200 rpm . Maximum allowable f an speed for si ze 28 a nd 30 units is 1100 rpm. 2. Fan performance i s bas ed on deducti ons for wet c oil, clean 2-in. f ...
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Carrier 40RU - page 37
37 40RU ...
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Carrier 40RU - page 38
38 Copyright 2011 Carrier Corp. D 7310 W . Mo rr i s St. D In dianapolis, IN 46231 Prin ted in U.S.A. Edition Date: 01/11 Manufacturer reser ves the right to change , at any time, specifications and designs without notice and without obligations. Catal og No: 40RU - - - 07SI Replaces : 40RU - - - 05SI 40RU ...
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Carrier 40RU - page 39
39 ST AR T - - UP CHECKLIST (SPL IT SYST E MS WIT H 40 RU UNIT S) I. PRELIMINAR Y INFORMA TION OUTDOOR: MODE L NO. I NDOOR: MODE L NO. SERI AL NO. SERI AL NO. ADDITI ONAL ACCE SSORI ES II. PR E - - S T AR T - - U P OUTDOOR UNIT IS THE RE ANY SHIPPING DAMAGE ? ( Y/N) IF SO, WHERE: WIL L T HIS DAMAGE PREVE NT UNIT ST AR T - - UP? (Y/ N) CHEC K POWE R ...
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Carrier 40RU - page 40
40 CHECK VOL T AGE IMBALANCE LINE -TO-L INE VOL TS: AB V AC V BC V (AB + AC + BC)/ 3 = A VERAGE VOL T AGE = V MAXIMUM DEVI A TI ON FROM A VE RAGE VOL T AGE = V VOL T AGE IMBAL ANCE = 1 00 X (MAX DE VIA T ION)/ (A VE RAGE VOL T AGE) = IF O VER 2 % VOL T A GE IMB ALAN CE, DO N OT A TTEMPT T O S T AR T SYS TEM! CALL LOC AL POW ER COMP ANY FOR ASSIST A ...
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