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Manual Trane RAUC-C60

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  • Trane RAUC-C60 - page 1

    June 2008 SS-S VX09A -EN Installation Oper ation Maint enance Remot e Split S yst em Units Air Cooled Condensing Units and EVP Chillers Models “V” and Later Design Sequence RA UC-C20 RA UC-C40 RA UC-C25 RA UC-C50 RA UC-C30 RA UC-C60 ...

  • Trane RAUC-C60 - page 2

    © 20 08 T rane All righ ts reserved SS-SVX09A-EN W ar nings, Cautions and Notices W ar nings, Cautio ns and Notices. Note that warn ings, cautions and notices appear at appropriate interva ls throughout this manual. W arn ings are provide to alert instal ling contractors to potential haza rds that could result in per sonal inju ry or death. Cautio ...

  • Trane RAUC-C60 - page 3

    T able of Cont ents SS-SVX09A-EN 3 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Model Number Des cription . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Trane RAUC-C60 - page 4

    4 SS-SVX09A-EN Outside Air Thermost at (5S57 Field Provided) . . . . . . . . . . . . . . . . . . . . . 61 Constant Volume Control (Honeywel l 973) . . . . . . . . . . . . . . . . . . . . . . . . 63 System Pre-Start Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 System Evacua tion Procedures . . . ...

  • Trane RAUC-C60 - page 5

    SS-SVX09A-EN 5 Gener al Inf or mation Model Number Descr iption All T rane products are iden tified by a multiple-character model number that precisely identifies a particular type of unit. An explanation of the alphanumeri c identification code i s provided below. Its use will enable the owner/ operator , installing contractors, and service engine ...

  • Trane RAUC-C60 - page 6

    6 SS-SVX09A-EN Gener al Infor mation Ev apor ator Nameplat e (EVP Chiller Applications Only) The nameplate is lo cated on the same side of the refrigerant connections near the top. T o view the nameplate, remove the tape over the area and spr ead the insulation. R etape the insulation after viewing. Unit Descr iption All air cooled condensing units ...

  • Trane RAUC-C60 - page 7

    SS-SVX09A-EN 7 Installation Unit Inspection As soon as th e unit ar rives at the job site [ ] V e rify that the nameplate data matc hes the data on th e sales orde r and bill of lading (including electrical data). [ ] V erify that the power supply c omplies with the unit nameplate spec ifications. [ ] V isually inspect the exterior of the un it, in ...

  • Trane RAUC-C60 - page 8

    8 SS-SVX09A-EN Installation NO TICE T o pr even t inter nal c hiller damage due t o fr eezing, do not install the BPHE c hiller outdoors without adequate fr eeze prot ection. Allow adequate clearance for wate r and refrigerant piping con nections, space to perform service procedures, i.e. read g auges, thermomete rs, and operate water system valves ...

  • Trane RAUC-C60 - page 9

    SS-SVX09A-EN 9 Installation Figure 2. T ypical Installation Clearances f or Single, Multiple or Pit Appl ications ...

  • Trane RAUC-C60 - page 10

    10 SS-SVX09A-EN Installation Figur e 3. RAU C-C20 Unit Dimensional Data & Recommended Clear ances ...

  • Trane RAUC-C60 - page 11

    SS-SVX09A-EN 11 Installation Figur e 4. RAU C-C25 Unit Dimensional Data & Recommended Clear ances ...

  • Trane RAUC-C60 - page 12

    12 SS-SVX09A-EN Installation Figur e 5. RAU C-C30 Unit Dimensional Data & Recommended Clear ances ...

  • Trane RAUC-C60 - page 13

    SS-SVX09A-EN 13 Installation Figur e 6. RAU C-C40 Unit Dimensional Data & Recommended Clear ances ...

  • Trane RAUC-C60 - page 14

    14 SS-SVX09A-EN Installation Figur e 7 . RA UC-C50 Unit Dimensional D ata & Recommended Clearances ...

  • Trane RAUC-C60 - page 15

    SS-SVX09A-EN 15 Installation Figur e 8. RAU C-C60 Unit Dimensional Data & Recommended Clear ances ...

  • Trane RAUC-C60 - page 16

    16 SS-SVX09A-EN Installation Note: All water connections are V ictaulic. Figure 9. BPHE 20 Ev aporator Chiller Dimensio ns Evaporator mounting brakets and insulation are provided with ChillerBPHE Accessory for field installation - Field provided vinyl tape is required to seal insulation edges after installation . "6.752" "8.084" ...

  • Trane RAUC-C60 - page 17

    SS-SVX09A-EN 17 Installation Note: All water connections are V ictaulic. Figure 1 0. BPHE 25 Evapor ator Chiller Dimens ions 7.994 8.084 17.670 6.440 3.331 2.431 23.432 1.130 ID 2.431 2.261 17.720 2.261 3.451 SUCTION LIQUID ENTERING WATE R LEA VING WATE R 2X Ø2.00 2.138 Ø ID SW AGELOK B-4-P 1/4" NPT MALE PIPE PLUG OR EQUIVELENT FIELD PROVIDE ...

  • Trane RAUC-C60 - page 18

    18 SS-SVX09A-EN Installation Note: All water connections are V ictaulic. Figure 1 1 . BPHE 30 Evapor ator Chiller Dimens ions 17.670 2.431 3.331 23.432 10.004 6.440 2.431 2.261 10.604 1.130 ID 2.138 ID 2.261 2.261 17.720 3.451 SUCTION LIQUID SW AGELOK B-4-P 1/4" NPT MALE PIPE PLUG OR EQUIV ALENT FIELD PROVIDED ENTERING WATE R LEA VING WATE R 2 ...

  • Trane RAUC-C60 - page 19

    SS-SVX09A-EN 19 Installation Note: All water connections are V ictaulic. Figure 12. BPHE 40 Evapor ator Chiller Dimens ions 3.960 23.780 2.551 30.292 13.533 2.517 2.517 8.500 6.767 6.767 13.533 30.292 2.826 4.235 23.230 1.380 ID X 2 7.720 9.096 SUCTION CIR #1 LIQUID CIR #1 SUCTION CIR #2 LIQUID CIR #2 1.660 Ø ID X 2 ENTERING WATE R LEA VING WATE R ...

  • Trane RAUC-C60 - page 20

    20 SS-SVX09A-EN Installation Note: All water connections are V ictaulic. Figure 13. BPHE 50 Evapor ator Chiller Dimens ions 3.960 23.780 2.551 30.292 13.533 2.517 2.517 8.500 6.766 6.767 13.533 30.292 2.827 4.235 23.230 1.380 ID X 2 8.872 9.096 SUCTION CIR #1 LIQUID CIR #1 SUCTION CIR #2 LIQUID CIR #2 2.138 Ø ID X 2 ENTERING W A TER LEA VING W A T ...

  • Trane RAUC-C60 - page 21

    SS-SVX09A-EN 21 Installation Note: All water connections are V ictaulic. Figure 14. BPHE 60 Evapor ator Chiller Dimens ions 3.960 23.780 2.551 30.292 13.533 2.517 2.517 8.500 6.766 6.767 13.533 30.292 2.826 4.235 23.230 1.380 ID X 2 14.858 SUCTION CIR #1 LIQUID CIR #1 SUCTION CIR #2 LIQUID CIR #2 2.138 Ø ID X 2 ENTERING WATE R LEA VING WATE R Ø 3 ...

  • Trane RAUC-C60 - page 22

    22 SS-SVX09A-EN Installation T able 1 . T ypical Unit W eig hts & P oint Loading D ata Unit Size Operating Weight Unit Weight on Iso lator @ Mounting Location L o c a t i o n 1 23456 AL CU AL CU AL CU AL CU AL CU AL CU AL CU C20 1522 1720 509 559 398 439 345 404 270 317 C25 1640 1842 555 602 421 467 378 436 286 338 C30 1824 2115 580 640 635 708 ...

  • Trane RAUC-C60 - page 23

    SS-SVX09A-EN 23 Installation Rigging  WA R N I N G Heavy Objects! Do not use cables (c hains or slings) ex cept as sh o wn. Each of the cables (chai ns or slings) used to lif t the unit must be capable of suppor ting the entir e weight of the unit. Lif ting cables (c hains or slings) ma y not be of the same length. A djust as necessary f or even ...

  • Trane RAUC-C60 - page 24

    24 SS-SVX09A-EN Installation Unit Isolation T o minimize un it sound and vibratio n transmission, one of the f ollowing installation met hods should be used: 1 . Install the unit directly on an isolated (detac h e d) concrete pad or on isolated concrete fo otings located at eac h unit load point. 2. Install the op tional neoprene or spring isolator ...

  • Trane RAUC-C60 - page 25

    SS-SVX09A-EN 25 Installation Spr ing Isolat ors Install the spring isolat ors at eac h unit mounti ng (load) point using the follow ing procedure: 1 . Elevate the unit (one side at a time) to a llow access to the base rail mounting holes.  WA R N I N G Heavy Objects! Use solid type bloc ks, i.e. 4" X 4" w ood bl oc ks or simil ar mater ...

  • Trane RAUC-C60 - page 26

    26 SS-SVX09A-EN Installation T able 4. T ypical Spr ing Isolator Selection & Location Shipping F ast eners Compr essor Shipping Har dwar e Figure 16 illustrates the location of eac h tiedown bolt and rubber iso lator bolt for the compressor assembly in eac h circuit. Refer to the illustration and the following di scussion to locate and remo ve ...

  • Trane RAUC-C60 - page 27

    SS-SVX09A-EN 27 Installation Gener al Unit Requirements The c hec klist listed below is a su mmary of the s teps required to successfully inst al l a commercial air cooled condenser . This c hec klist is intended to acquaint the installing personnel with what is required in the installation process. It does no t replace the detailed inst ruction ca ...

  • Trane RAUC-C60 - page 28

    28 SS-SVX09A-EN Installation  WA R N I N G Hazard of Explosion! Never use an open flame t o detect g as leaks. Ex plosive conditions ma y occur . Use a leak test solution or other appr oved methods for leak test ing. F ailur e to follo w recommended saf e leak test pr ocedures could result in death or serious injury or equipment or property -onl ...

  • Trane RAUC-C60 - page 29

    SS-SVX09A-EN 29 Installation  WA R N I N G Gr ound Wir e! All field-installed wir ing must be complet ed by qualified personnel. All field -installed wir ing must comply wi th NEC and applicable local codes. F ailur e to f ollow th is instr uction could r esult in death or ser ious injur ies.  WA R N I N G Gr ounding Requir ed! Foll ow pr ope ...

  • Trane RAUC-C60 - page 30

    30 SS-SVX09A-EN Installation  WA R N I N G Gr ound Wir e! All field-installed wir ing must be complet ed by qualified personnel. All field -installed wir ing must comply wi th NEC and applicable local codes. F ailur e to f ollow th is instr uction could r esult in death or ser ious injur ies.  WA R N I N G Gr ounding Requir ed! Foll ow pr ope ...

  • Trane RAUC-C60 - page 31

    SS-SVX09A-EN 31 Installation Low V oltag e Wir ing (AC & DC)  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconnect power bef ore servicing could res ...

  • Trane RAUC-C60 - page 32

    32 SS-SVX09A-EN Installation Refer to Ta b l e 5 for filter/filter dr ier recommendations. Liquid Line Moist ure In dicator Sight Glass T o ai d in troubleshootin g, install a moisture indicato r sight glass in the liquid lin e near the evaporator , down stre am of the so lenoid valve prior to any branc h takeoffs to the expansion valve. The sight ...

  • Trane RAUC-C60 - page 33

    SS-SVX09A-EN 33 Installation Split Syst em Component Number Definitions (1)Interconnecting Suction Line T ubing (2)Suction Line Filter (3)Shutoff V alves - Manual ball valves (4)Interconnecti ng Liquid Line T ubi ng. If riser s exceed 1 0 feet, T rane must review the application (5)Shutoff valves - Manual ball valves (6)Access P orts (7)Liquid Line ...

  • Trane RAUC-C60 - page 34

    34 SS-SVX09A-EN Installation Refr ig erant Piping Refrigerant piping mu st be properly sized and a p plied. These two factor s have a very significant effect on both system pe rformance and reliability . NO TICE Use T ype “L ” refr ig erant gr ade co pper tubing only . Refri gerant Piping should be siz ed and laid out according to the job pl an ...

  • Trane RAUC-C60 - page 35

    SS-SVX09A-EN 35 Installation Liquid Line Piping Liquid line siz es are based on their abil ity to provid e a minimum of 5 degrees F (2.7ºC) of sub- cooling at the expansion valve throughout the unit’ s operating system. Increasing the liqui d line size does not increase the availab le sub-cooling. The un iform liquid line size, pre-sele cted in ...

  • Trane RAUC-C60 - page 36

    36 SS-SVX09A-EN Installation Ev apor ator Piping 1 . Install the TXV directly to the unit liquid connectio n. 2. Locate the TXV bu lb midway be tween the 90 degrees bends on top of th e suction line as illustrated in Figure 19 and Figure 20 . 3. Secure the bulb to the suction line with two clamps pro v ided by the manufact urer and insulate the bul ...

  • Trane RAUC-C60 - page 37

    SS-SVX09A-EN 37 Installation Hot Gas Bypass for Commer cial Comf ort-Cooling Applications Hot gas bypass is not recommended for use on RA UC units. Frostat™ is th e preferred method of protecting the evaporator from fr eez e-up. It turns off compressor s wh en the coil frosting is sensed. The compressor is al lowed to op erate when the coil tempe ...

  • Trane RAUC-C60 - page 38

    38 SS-SVX09A-EN Installation Brazing Pr ocedur es  WA R N I N G Hazard of Explosion and Deadly Gases! Never solder , braze or w eld on r efr igerant li nes or an y unit comp on ents th at ar e abov e atmospher ic pressur e or wher e refr ig erant may be present. Alw ays r emov e refr ig erant b y following the guidelines establish ed by the EP A ...

  • Trane RAUC-C60 - page 39

    SS-SVX09A-EN 39 Installation Leak T esting Pr ocedur e  WA R N I N G Hazard of Explosion! Use only dry nitrog en with a pressur e r egulato r for pr essur izing unit. Do not use acetylene, o xyg en or compressed air or mixt ures contai ning them for pr essur e testing. Do not use mixt ures of a h ydr ogen c ontaining refr ig erant and ai r abov ...

  • Trane RAUC-C60 - page 40

    40 SS-SVX09A-EN Installation 7 . If a leak i s located, use proper pr ocedures to remove the ref rigerant/nitrog en mixture, break the connection and remake as a new joint. R etest for leaks af ter making repairs. 8. Open the liquid line service valve an d the compressor disc harge service valve. Chilled W ater Piping Evaporator water inlet an d ou ...

  • Trane RAUC-C60 - page 41

    SS-SVX09A-EN 41 Installation Note: Factor to con vert “F eet of W ater” to “Lbs. pe r Sq . Inc h” (PSI): 2.3 F eet of W ater = 1 PSI Fi gu re 2 1. Evap ora to r Wate r - Pres su re D rop ...

  • Trane RAUC-C60 - page 42

    42 SS-SVX09A-EN Installation Air V e nts V en ts must be installed at hig h points in the piping system to fa cilitate air purgin g during the filling process. W at er Pr essur e Gaug es Install pressure gauge(s) to monit or the entering a nd le aving c hilled w ater pressure. NO TICE T o pr event ev aporat or damage, do not exceed 150 psig ev apor ...

  • Trane RAUC-C60 - page 43

    SS-SVX09A-EN 43 Installation NO TICE F ailure to use ther mal paste could r esult in err atic temperatur e sensing resulting in equipment damage. Fr eez estat A Bulb-well (located in side the remote panel) must be installe d in the leaving water piping as close to the c hiller barrel as possible. It should be located upstream of the T emperature S ...

  • Trane RAUC-C60 - page 44

    44 SS-SVX09A-EN Installation NO TICE F ailure to use ther mal paste could r esult in err atic temperatur e sensing resulting in equipment damage. Final W ater Piping Connections 1 . All water piping to the system should be fl ushed thoroughly be fore making the final connections . NO TICE If an acidic commer cial flushing sol ution is used, constr ...

  • Trane RAUC-C60 - page 45

    SS-SVX09A-EN 45 Installation 3. Install the drain plug, (if no drain is used ) or ensure the drain shutoff valve is closed. 4. While filling the c hiller system with sol ution, vent the air from the system at the highes t points. NO TICE T o pr event possible damag e to the equipment, do not use untreat ed or improper ly tr eated w ater in the syst ...

  • Trane RAUC-C60 - page 46

    46 SS-SVX09A-EN Installation Main Unit P ow er Wir ing  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconnect power bef ore servicing could result in dea ...

  • Trane RAUC-C60 - page 47

    SS-SVX09A-EN 47 Installation P o wer Wir e Sizing and Pr ot ection Device Equations T o correctly size the main power wiring for the unit, use the ap propriate calcul ation(s) listed below. Read the load definition s that follow an d use Calculation #1 for determ ining the MCA (Minimum Circuit Ampacity), MOP (Maximum Over cur ren t Protection), and ...

  • Trane RAUC-C60 - page 48

    48 SS-SVX09A-EN Installation Calculation #2 Disconnect Switc h Sizing (DSS) DSS = 1 .15 X (L OAD 1 + L O AD 2 + L O AD 4) T abl e 8. Electr ical Se rvice Sizing D ata Model Electrical Charac. Unit Characteristic s Condenser Fan Motor Compressor Motor Allow- able Voltage Range Min. Circuit Amp Max. Over- current Protect -ion Rec. Dual Element Fuse S ...

  • Trane RAUC-C60 - page 49

    SS-SVX09A-EN 49 Installation Field Installed Contr ol Wir ing  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconnect power bef ore servicing could result ...

  • Trane RAUC-C60 - page 50

    50 SS-SVX09A-EN Installation liquid line solenoid valve(s). Supply F an Int er lock (Contr ol options utilizing an Air Handler) The normally open evaporator fan interloc k auxili ary contacts and the evaporator fan controls; system On/Off switc h, fan star ter/contactor , and overloads, must be wire d as illustrated in the appropriate interloc k co ...

  • Trane RAUC-C60 - page 51

    SS-SVX09A-EN 51 Installation Contr ols using 24 V AC  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconnect power bef ore servicing could result in death ...

  • Trane RAUC-C60 - page 52

    52 SS-SVX09A-EN Installation These com ponents may incl ude: Field installed Disc harge Duct S ensor (6RT1 CV units); Field installed Return Duct S ensor (6RT6 CV units); Field installed Disc harge Ai r Sensor (6R T3 V A V units); Field installed Chilled W ater Sensor (6R T2 EVP units); 1 . Wiring for the components util izing a DC analog inputo u ...

  • Trane RAUC-C60 - page 53

    SS-SVX09A-EN 53 Installation No S ystem Contr ol T emperat ur e Control P aramet ers Eac h unit ordered wi th the “No Controls” opti on, requires a field pr ovided and field wired temperature controller . Single re frigerant circuit units require a 2-step control device, and dual refrigerant circuit units requ ire a 4-step control device. Eac h ...

  • Trane RAUC-C60 - page 54

    54 SS-SVX09A-EN Installation Refer to Wiring Notes on p. 55 Figur e 25. F ield Connection Diagr am or RA UC -C20 - C60 “ No S ystem Controls” Applications ...

  • Trane RAUC-C60 - page 55

    SS-SVX09A-EN 55 Installation Field Connection Diagram Not es fo r all S yst em Contr ol Options ...

  • Trane RAUC-C60 - page 56

    56 SS-SVX09A-EN Installation V ar iable Air V olume Control (Hone yw ell W71 00A) In a variable air v olume system, the desired sp ace temperature is maintained by varying the amount of condi tioned air being delivered to the spa ce. As the cooling re quirements of the space decreases, less ai r is deli vered to the z one; con versely , as the cool ...

  • Trane RAUC-C60 - page 57

    SS-SVX09A-EN 57 Installation Suction Line Ther mostat Eac h unit ordered with variable air vo lume contro ls (digit 9 in the model number) is ship ped with a suction line thermostat (6S63) that must be field installe d. Locate the thermo stat close to the e xpansion valve bu lb on a slightly flattened portion of the suction line. The thermostat mus ...

  • Trane RAUC-C60 - page 58

    58 SS-SVX09A-EN Installation Refer to Wiring Notes on Pa ge p. 55 EVP Chiller Contr ol Eac h unit orde red for EVP Chiller applications ( digit 9 in the model number), is shipped wi th the following contr ols: EVP Rem ote Panel w/ W71 0 0G Controller Freez estat (6S12) Chiller W ater T emperatur e Se nsor (6RT2) Freez estat Bulb well Chilled W ater ...

  • Trane RAUC-C60 - page 59

    SS-SVX09A-EN 59 Installation connection diagra m illustrated in Figure 29 for the intercon necting po ints between the remote panel and the unit’ s control panel.  WA R N I N G Gr ound Wir e! All field-installed wir ing must be complet ed by qualified personnel. All field -installed wir ing must comply wi th NEC and applicable local codes. F a ...

  • Trane RAUC-C60 - page 60

    60 SS-SVX09A-EN Installation Chilled W ater T emper atur e Sensor (Honeyw ell 6R T2) With the sensor installed in its proper location within the c h illed w ater piping ( Figure 18 ), c onnect shielded cable (Belden 8760 or equivalent) from th e sensor leads to the le ads inside the remote panel. Refer to Figure 2 8 for the electrical acce ss into ...

  • Trane RAUC-C60 - page 61

    SS-SVX09A-EN 61 Installation Outside Air Ther mostat (5S57 Field Pr ovided) The setpoint for the outside air thermostat is based upon the wo rking ambient selected when the unit w as ordered. A Zero (“0”) in the 1 1th digi t of the model number ind icates the system is designed for stan dard ambient op eration of 40ºF and above. A One (“1” ...

  • Trane RAUC-C60 - page 62

    62 SS-SVX09A-EN Installation Refer to Wiring Notes on Pa ge p. 55 Figur e 29. Field Connection Diagr am for RA UC-C20 - 60 “EVP Chiller” Applicatio ns ...

  • Trane RAUC-C60 - page 63

    SS-SVX09A-EN 63 Installation Constant V olume Contr ol (Honeyw ell 973) The descriptions of the following basic input devi ces used with the Honeywell 973 Master Energy Controller (MEC) are to acquaint the operator with their func ti on as they interface with the controller . R efer to the fi eld connection d iagram in Figure 32 for the specific co ...

  • Trane RAUC-C60 - page 64

    64 SS-SVX09A-EN Installation Figure 30. T7067 Electr on ic Zone The r mostat & Q667 Switching Subbase Figure 31 . Q667 S witching Subbase & T7 067 Ther mostat T er minal Identification ...

  • Trane RAUC-C60 - page 65

    SS-SVX09A-EN 65 Installation Discha rg e Air Sensor (Honeyw ell 6R T1) A disc harge air sensor ships with eac h un it when the constant volume control op tion is ordered. The sensor should be installed in a turbulent free area of the disc harge air duct at a location that will provide accurate su pply air se nsing. R efer to the illustration in Fig ...

  • Trane RAUC-C60 - page 66

    66 SS-SVX09A-EN Installation Refer to Wiring Notes on Pa ge p. 55 Figur e 32. Field Connection Diagr am for RA UC- C20 thr ough 60 “Constant volume ” Applications ...

  • Trane RAUC-C60 - page 67

    SS-SVX09A-EN 67 Installation Figur e 33. 6RT1 Disc harg e Air Sensor Assembly ...

  • Trane RAUC-C60 - page 68

    68 SS-SVX09A-EN S yst em Pr e-Star t Pr ocedur es Use the c hec klist provided below in conjunctio n with the “General Unit Requirement” c hec klist” to ensure that the unit is properly installed and read y for operation. Be sure to complete all of the procedures descri bed in this section befo re starting the unit for the fir st time.  WA ...

  • Trane RAUC-C60 - page 69

    SS-SVX09A-EN 69 Sy stem Pr e-Star t Procedur es before filling with water to disp lace any air in the bar rel. Close vent po rts or repl ace the vent plug after purging or filling . [ ] Once the system has been fill ed, inspect the entire c hilled w ate r piping system fo r leaks. Make any necessary repairs before proceeding. NO TICE T o a void pos ...

  • Trane RAUC-C60 - page 70

    70 SS-SVX09A-EN S ystem Pr e-Star t Pro cedures Note: It is unlawful to release refr igerant into the atmo sphere. When service procedures requir e working with refrigerants, the service tec hnician m ust comply with all Federal, Sta te, and local laws. Refer to the General Servic e Bulletin MSCU-SB- 1 (latest edition). Standing V acuum T est Once ...

  • Trane RAUC-C60 - page 71

    SS-SVX09A-EN 71 Sy stem Pr e-Star t Procedur es Dischar g e Air Controller Chec k out (Hone ywell W71 00A) Note: The following chec ko ut procedure must be performe d in its entirety and in the sequence given.  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lo ...

  • Trane RAUC-C60 - page 72

    72 SS-SVX09A-EN S ystem Pr e-Star t Pro cedures 5. Install a jump er across the P and P1 terminal s (remote setpoint inpu t), and an other jumper across terminals 6 and 7 (reset input) if reset is enabled. 6. Disconnect the wires fr om terminals T and T1 (disc harge air sensor). 7 . Remo ve the 3,40 0 ohm resistor (blue leads) from the test kit and ...

  • Trane RAUC-C60 - page 73

    SS-SVX09A-EN 73 Sy stem Pr e-Star t Procedur es In approximately 5 minut es; me asure the voltage across terminal s R (-) & W (+). The measured voltag e should drop to approximately 0.2 VDC. 20. T urn the control circ uit switc h 1S2, in the unit control panel, and the main po wer disconnect switc h to th e “ OFF” position. 21 . Remove the ...

  • Trane RAUC-C60 - page 74

    74 SS-SVX09A-EN S ystem Pr e-Star t Pro cedures Dischar g e Air Sensor Check o ut (Hone ywell Sensor)  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconn ...

  • Trane RAUC-C60 - page 75

    SS-SVX09A-EN 75 Sy stem Pr e-Star t Procedur es EVP Chiller Contr ol Check out (Hone ywell W71 0 0G) Note: The following chec ko ut procedure must be performe d in its entirety and in the sequence given.  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out ...

  • Trane RAUC-C60 - page 76

    76 SS-SVX09A-EN S ystem Pr e-Star t Pro cedures 1 0. “Close” the main power disconnec t switc h an d turn the control ci rcuit switc h 1S2, in the unit control panel, “ ON” .  WA R N I N G High V oltage is Pr esent at T er min al Block 1TB1 or Unit Disconnect Swi t ch 1 S1. T o pr ev ent injury or death f or m electrocu tion, it is the r ...

  • Trane RAUC-C60 - page 77

    SS-SVX09A-EN 77 Sy stem Pr e-Star t Procedur es Chilled W ater Sensor Chec k out (Honeyw ell Sensor)  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconne ...

  • Trane RAUC-C60 - page 78

    78 SS-SVX09A-EN S ystem Pr e-Star t Pro cedures Mast er Energ y Contr ol Check out  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconnect power bef ore s ...

  • Trane RAUC-C60 - page 79

    SS-SVX09A-EN 79 Sy stem Pr e-Star t Procedur es 1 0. M easure the voltage ag ain across T e rminals R (-) and W (+). The measured v oltage should now be approximately 0.2 VDC. 1 1 . T urn the control circuit switc h 1S2, in th e unit control pane l, to the “ OFF” position . 12. R emove the wires from T erminals R, B, W , & Y . 13. Measure t ...

  • Trane RAUC-C60 - page 80

    80 SS-SVX09A-EN S ystem Pr e-Star t Pro cedures Dischar g e Air Sensor Check out (Hone yw ell 6RT1)  WA R N I N G Hazardous V oltag e! Disconnect all electr ic po wer , including r emote d isconnects befor e servicing. F ollo w proper lock out/ tagout pr ocedur es to ensur e the po wer can not be inadver tently ener gized. F ailure t o disconnec ...

  • Trane RAUC-C60 - page 81

    SS-SVX09A-EN 81 Sy stem Pr e-Star t Procedur es Figur e 39. 6RT1 Disc harg e Duct Sen sor “T emper atur e vs Res istance ” Curv e Figure 40. W97 3 Mast er En erg y Controller (M EC) 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 55 60 65 70 75 80 85 90 95 100 105 T emp eratu re - Deg ree F (C) Resi st an ce ...

  • Trane RAUC-C60 - page 82

    82 SS-SVX09A-EN S ystem Pr e-Star t Pro cedures V oltage Imbalance Excessive thr ee phase voltage imbalance between phases will cause moto r s to overheat and eventually fail. The maximum allowable voltage im balance is 2%. Measure and record the voltage between phases 1, 2, and 3 and calculat e the amount of imbalance as follows: % V oltage Imbala ...

  • Trane RAUC-C60 - page 83

    SS-SVX09A-EN 83 S yst em Star t-Up Sequence of Oper ation V A V W71 0 0A Disc harg e Air Controller (7U1 1) The disc harge air controller used in V ariable Air V olume applications is a Honeywell W71 0 0A. This microprocessor contro ller is designed to maintain an avera ge disc harge air (D/A) temperatur e by: 1 . monitoring the discharge air tempe ...

  • Trane RAUC-C60 - page 84

    84 SS-SVX09A-EN Syst em Star t-Up Chilled W a ter T emper atur e Control ler (6U1 1) The c hill ed water tem perature controller used with EVP c hiller ap plications is a Honeywell W71 0 0G. This microprocessor controller is designed to maintain an a verage lea ving w ater temperature using an inte grating control band conce pt that matc hes the re ...

  • Trane RAUC-C60 - page 85

    SS-SVX09A-EN 85 Syst em Star t-Up a. Could cause seri ous compressor damage due to ref rigerant floodbac k. b. Remo ves working surface from the evapor ator nor mally used for heat transfer . Systems operating with superheat in excess of 16 degrees: c. Could cause excessive compresso r cycling on int ernal winding thermostat whic h leads to compres ...

  • Trane RAUC-C60 - page 86

    86 SS-SVX09A-EN Syst em Star t-Up Low Ambien t Dampers Low Ambient Dampers are available as a factory inst alled option or can be field-installed. Dampers are used to extend the operation of these units fr om the standard operatio nal temperatures to a minimum of 0ºF without hot g as bypass or 1 0ºF with hot gas bypass. (These values apply when w ...

  • Trane RAUC-C60 - page 87

    SS-SVX09A-EN 87 Syst em Star t-Up Low Ambien t Ther mostats In addition to the low ambient dampers on 25, 30 , 50 & 60 T on units, a low am bient thermostat is installed to furt her restrict the airflow across the condenser by cycling the 2B3 co ndenser fan on 25 & 30 T on units plus 2B6 on 50 & 60 T on un its. The thermostat opens when ...

  • Trane RAUC-C60 - page 88

    88 SS-SVX09A-EN Syst em Star t-Up EVP Chiller Applications Start th e c hilled water circulati ng pump by closing the field pro vided pump disconnect switc h and turn the pump control circuit switc h 5S1 “ On ” . Chec k the flow device to ensure it opens and close properly . With water circulating through the system, c hec k the EVP c hiller pr ...

  • Trane RAUC-C60 - page 89

    SS-SVX09A-EN 89 Syst em Star t-Up “ Air Ov er” Ev apor ator Application V erify ing Proper Supply F an Rotation 1 . Ensure that the “System” selection switc h at th e remote panel is in the “ Of f” po sition and the “Fan ” selection switc h for the ap prop riate controls application is in th e “ Auto ” position. (V A V units do ...

  • Trane RAUC-C60 - page 90

    90 SS-SVX09A-EN Syst em Star t-Up 3. Plot this value onto the appr opriate component p ressure drop curve that shippe d with the Air Handling eq uipment. Use the data to a ssist in calculating a new fan dri ve if the CFM is not at design specification s. 4. Plug the holes af ter the proper CFM has been established. T urn the 1 15 v olt control circ ...

  • Trane RAUC-C60 - page 91

    SS-SVX09A-EN 91 Syst em Star t-Up  WA R N I N G Live Electr ical Components! Dur ing instal lation, testing, servicing and tr oublesho oting of this product, it may be necessary to w or k with live electr ical comp onents. Have a qualified licensed electr ician or other individual who has been pr oper ly trai ned in handling liv e electr ical co ...

  • Trane RAUC-C60 - page 92

    92 SS-SVX09A-EN Syst em Star t-Up 1 1 . After the compressors and co ndenser fans for th e operating circuit have been operati ng for approximately 30 minutes, obse rve the operatin g pressures. Use the appropriate pressure curve in Figure 47 to determine the proper operating pr essures. If the op erating pressures indicate a refrigerant shorta ge, ...

  • Trane RAUC-C60 - page 93

    SS-SVX09A-EN 93 Syst em Star t-Up 1 4. T urn the 1 15-v olt control circuit switc h 1S2 to the “ OFF” p osition and open the field pro vided or optional factory mou nted disconnect switc h. 15. Af ter shut ting the system o f f, c h ec k the compresso r oi l appearance. Discoloration of the oil indicates that an abnormal condition has occur red ...

  • Trane RAUC-C60 - page 94

    94 SS-SVX09A-EN Syst em Star t-Up Unit Size With HGBP No HGBP With HGBP No HGBP 20-60 45° 40° 10° 0° Note: Mini mum starting amb ients in degrees F and is based on th e unit oper ating at minimum step of unloading and 5 mph wind across conden ser . T able 16. Compr essor Sequence Unit Size Control Step Circuit 1 Circuit 2 20 1A 5 0 % 2 A, B 100 ...

  • Trane RAUC-C60 - page 95

    SS-SVX09A-EN 95 Syst em Star t-Up Figur e 45. T ypical Compressor Locations Figur e 46. T ypical Compre ss or T er minal Bloc k ...

  • Trane RAUC-C60 - page 96

    96 SS-SVX09A-EN Syst em Star t-Up Figure 47 . 20 T on Pressure Curv e ...

  • Trane RAUC-C60 - page 97

    SS-SVX09A-EN 97 Syst em Star t-Up Figure 48. 25 T on Pressur e Curve ...

  • Trane RAUC-C60 - page 98

    98 SS-SVX09A-EN Syst em Star t-Up Figur e 49. 30T on Pressur e Curve ...

  • Trane RAUC-C60 - page 99

    SS-SVX09A-EN 99 Syst em Star t-Up Figure 50. 40 T on Pressur e Curve per Circuit ...

  • Trane RAUC-C60 - page 100

    10 0 SS-SVX09A-EN Syst em Star t-Up Figure 51 . 50 T on Pressur e Curve per Circuit ...

  • Trane RAUC-C60 - page 101

    SS-SVX09A-EN 101 Syst em Star t-Up Figure 52. 60 T on Pressur e Curve per Circuit ...

  • Trane RAUC-C60 - page 102

    10 2 SS-SVX09A-EN Syst em Star t-Up Final S ystem Set up After co mpleting the Pre-star t and Star t-up procedur es outlined in the previous sections, perform these final c hec ks before leaving the unit: [ ] T urn the 1 15 v olt control circuit switc h 1S2 “ Of f” . [ ] Program the Night S etb ac k (NSB) panel (if applicable) for proper u nocc ...

  • Trane RAUC-C60 - page 103

    SS-SVX09A-EN 10 3 Syst em Star t-Up T able 1 8. Sample Maintenance Log Date Current Ambient Temp. (F) Refrigerant Circuit #1 Refrigerant Circuit #2 Compr. Oil level Suct. Press. (Psig) Disch. Press. (Psig) Liquid Press. (Psig) Super- heat (F) Subcool (f) Compr. Oil level Suct. Press. (Psig) Disch. Press. (Psig) Liquid Press. (Psig) Super- heat (F) ...

  • Trane RAUC-C60 - page 104

    10 4 SS-SVX09A-EN Service & Maint enance Compr essor Operational Sounds Because of the scroll compressor d esign, it emits a higher frequency tone (sound ) than a reciprocating compressor . It is designed to accommo date liquids, both o il and refrigerant, without causing compressor damage. The fol lowing discussi on describes some of the opera ...

  • Trane RAUC-C60 - page 105

    SS-SVX09A-EN 10 5 Service & Maint enance T able 1 9. Compressor Circuit Br eak er Data Voltage Comp RLA LRA Must Must Tons Hold Trip 200 9 41.4 269.0 50.4 58.0 230 9 41.4 251.0 50.4 58.0 460 9 18.1 117.0 22.0 25.3 575 9 14.4 94.0 17.5 20.2 380/415 9 17.2 110.0 20.9 24.1 200 14 60.5 404.0 73.7 84.7 230 14 60.5 376.0 73.7 84.7 460 14 26.3 178.0 3 ...

  • Trane RAUC-C60 - page 106

    10 6 SS-SVX09A-EN Service & Maint enance Fu se Replacement Data T able 20 lists the re placement fuses for the control circuit, comp ress or s, and condenser fans. Monthly Maint enance Air Handling Equipment Before completing the following c hec ks, turn the system control ci rcuit switc h 1S2 and 5S1 to the "Off" position. Open the m ...

  • Trane RAUC-C60 - page 107

    SS-SVX09A-EN 10 7 Service & Maint enance [ ] V erify that all wire te rminal connections are tight. [ ] Generally inspect th e unit for unusual condit ions (e.g., loose access panels , leaking piping connections, etc.) [ ] Make sure that all retainin g screws are reinstalled in the un it access panels once these c hec ks are complete. Condensin ...

  • Trane RAUC-C60 - page 108

    10 8 SS-SVX09A-EN Service & Maint enance  WA R N I N G Hazardous Pr essures! Coils contain refr ig erant under pr essur e. When cleaning coils, main tain coil clea ning solution temper ature under 150°F t o av oid excessiv e pressur e in the coil. Failur e to follow these saf ety pr ecautions could r esult in coil bursting, wh ic h could r ...

  • Trane RAUC-C60 - page 109

    SS-SVX09A-EN 10 9 W ARRANT Y AND LIABILIT Y CLA USE COMMERCIA L EQUIPMENT RA TED 20 T ONS AND LARGER AND RELA TED A CCESSORIES PRODUCTS CO VERED - This war ranty* is extended by T rane Inc. and a pplie s only to commercial equipment rated 20 T ons and la rger and re late d accessories. The Company war rants for a pe riod of 12 months from initial s ...

  • Trane RAUC-C60 - page 110

    11 0 SS-SVX09A-EN Symbols “EVP” Chiller Units 29 ”No Controls” Units 29 Numerics 115 Volt Control Wiring (All Units) 29 A AC Conductors 51 Access Valves (Ports) 32 Air Handling Equipmen t 106 Air Vents 42 B balancing cock 42 Balancing Valves 42 Ball Shutoff Valves 32 C Chilled Water Controller 59 Chilled Water Tempera ture Controller (6U11 ...

  • Trane RAUC-C60 - page 111

    SS-SVX09A-EN 111 Index Supplied) 31 Suction Line Inter connecting Tubing 34 Suction Line Ther mostat 57 Supply Fan Interlock 50 T T7067 Thermostat Terminal Identification 64 Temperatu re Control Parameters 53 Temperature vs Re sistance Curve 81 Thermometers 42 Thermostat Checkout 63 Thermostat Wiring 63 Thermostatic Expa nsion Valve 84 Thermostatic ...

  • Trane RAUC-C60 - page 112

    www .trane.com For more information, contact your local T rane office or e-mail us at comfort@trane.com Literature Order Number SS-S VX09A-EN Date June 2008 Supersedes RAUC-IOM-1 4 June 2007 T rane has a policy of continuous product and pro duct data improvement and reserves the right to c hange design and specific ations without notice. ...

Manufacturer Trane Category Air Conditioner

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