Manuel d'utilisation / d'entretien du produit RTAC 140-500 ton units (60 Hz) du fabricant Trane
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January 2006 RTAC-SVX01F-EN Installation Operation Maintenance P reliminary © American Standard Inc. 2006 S eries R Air -Cooled Helical Rotar y Liq uid Chiller s Models RT AC 14 0-50 0 t on units (60.
2 RTAC-SVX01F-EN NO TICE: W arnings and Cautions appear at appropriate se ctions through - out this literature. Read these carefully . W ARNING: Ind icates a potentially hazardous sit uation whic h, if not av oided, could re sult in death or serious injury .
RTAC-SVX01F-EN 3 T able of Contents General Informatio n ............. ...................... .................... ................... ................... 7 Literature History .... ................... ....................... ................... ......
4 RTAC-SVX01F-EN T able of Contents Leak Test and Ev acuation .......... ................... .................... ...................... .............. 58 Refrigerant a nd Additional Oil Charge .......... .................... ................... .....
RTAC-SVX01F-EN 5 T able of Contents Modes Screen .............. ................... .................... ................... ....................... ........ 95 Chiller Screen ............... .......................... ...................... .........
6 RTAC-SVX01F-EN T able of Contents Periodic Mainte nance ........... ................... ................... ....................... ................ 149 Weekly Ma intenance ....... .................... ................... ....................... ...
RTAC-SVX01F-EN 7 General Inf ormation Li tera ture H i sto ry R T A C-S VX00 1 -EN (December 200 0) New manual. R T A C-S VX0 1B-EN (September 200 1) New manu al describes installation, operation, and maint enance of RT A C units and the remote ev aporat or option.
8 RTAC-SVX01F-EN General inf ormation Unit Inspection When the unit is delivered, v erify that it is the correct unit and that it is pro perly equipped. Compare the inf ormation whic h appears on the unit nameplat e with the ordering and submit tal information.
RTAC-SVX01F-EN 9 General Inf ormation . Chilled water inlet and outlet openings ar e covered f or shipment. Eac h compressor has a separa te compressor moto r starter . T h e RT A C series f eatures T rane ’ s e xclusive Adap tive Control ™ logic, whic h monitors the control v ariables that go vern t he opera - tion of the c h iller unit.
10 RTAC-SVX01F-EN General inf ormation T able 1 General D ata — 140-250 T on 60 Hz Units - Standard Ef ficiency Size 140 155 170 185 200 225 250 T yp e STD STD STD STD STD STD STD Compr essor Quanti.
RTAC-SVX01F-EN 11 General Inf ormation T able 2 General D ata — 275- 50 0 T on 6 0 Hz Units - Standard Ef ficiency Size 275 30 0 350 40 0 450 50 0 T yp e STD ST D STD STD STD STD Compr essor Quantit.
12 RTAC-SVX01F-EN General inf ormation T able 3 General D ata — 140-400 T on 60 Hz Units - High Ef ficiency Size 140 155 1 70 1 85 200 225 250 275 300 350 400 T ype HIG H HIGH HIG H HIGH HIGH HIGH H.
RTAC-SVX01F-EN 13 General Inf ormation T able 4 Gen eral D ata - 120-400 T on 50 Hz Units-Standa rd Efficienc y Size 14 0 155 170 185 20 0 250 275 30 0 350 375 400 T ype STD STD STD STD STD STD STD ST.
14 RTAC-SVX01F-EN General inf ormation T able 5 General D ata - 120-40 0 T o n 50 Hz Units-High Ef ficienc y Size 140 155 170 185 200 250 275 30 0 350 375 40 0 T ype HIGH HIGH HIGH HIGH HIGH HIGH HIGH.
RTAC-SVX01F-EN 15 General Inf ormation Figur e 3 Unit Dimensions 185-200 T on Standard Efficienc y , 60 Hz and 155, 17 0 T on, High Ef ficiency , 50 and 60 Hz.
16 RTAC-SVX01F-EN Figure 4 Unit Dimensions 225-250 T on Standard Ef ficiency , 60 Hz and 185-200 T on, High Efficienc y , 50 and 60 Hz.
RTAC-SVX01F-EN 17 Figur e 5 Unit Dimensions 225-2 50 T on High Efficienc y , 60 Hz.
18 RTAC-SVX01F-EN Figur e 6 Unit Dimensions 250-275 T on Standard Ef ficienc y , 50 Hz and 250 T on High Efficienc y , 50 Hz and 275 T o n Standar d Ef ficiency , 60 Hz.
RTAC-SVX01F-EN 19 Figure 7 Unit Dimensions 275 T on High Efficienc y , 50 and 60 Hz; 300 T on, Standar d Ef ficienc y , 50 and 60 Hz and 350 T on, Stan dard Efficiency 60 Hz.
20 RTAC-SVX01F-EN Figure 8 U nit Dimensions 30 0 T on High Efficiency , 50 and 60 Hz.
RTAC-SVX01F-EN 21 Figure 9 Unit Dimensions 350-40 0 T on Standard Ef ficiency , Hz and 400 T on, Standard Ef ficiency , 60 Hz and 350 T on High Efficienc y , 50 and 60Hz.
22 RTAC-SVX01F-EN Figur e 1 0 Unit Dimensions 450-50 0 T on St anda r d Efficiency , 60 Hz and 375-400 T on, High Ef ficiency , 50 Hz and 400 T on High Efficiency , 60 Hz.
RTAC-SVX01F-EN 23 Figur e 1 1 Unit Dimensions of Condenser/Compr essor Unit f or Remote Ev aporat or Option.
24 RTAC-SVX01F-EN Figure 12 Unit Dim ensions for Remote Ev aporat or 140-1 70 T on Standard Ef ficiency and 140 T on High Ef ficiency.
RTAC-SVX01F-EN 25 Figur e 13 Unit Dimensions f or Remote Ev aporat or185-250 T on Standard Ef ficiency and 155-200 T on High Efficiency.
26 RTAC-SVX01F-EN Model Number Coding System The model numbers f or the unit and the starter are composed of number s and let ters that represent f eatures of the equipment. Sho wn in the f ollowing table is a sample of typical unit model number and the coding sy stem for eac h.
RTAC-SVX01F-EN 27 D igi t 1 - 4 Un i t Model RT AC Air Cooled Series R® c hiller D igi t 5-7 Un i t Nom i n a l C apaci ty 1 40 1 40 No m inal T ons 1 55 1 55 No m inal T ons 1 70 1 70 No m inal T on.
28 RTAC-SVX01F-EN Installation - Mec hanical Installation Responsibilities Generally , the contractor must do the f o llowing when insta lling an RT A C unit: • Install unit on a flat foundation , lev el (within 1/4” [6 mm] across the length an d width of the unit), and str ong enough to support unit load ing .
RTAC-SVX01F-EN 29 Installation - Mec hanical Stor ag e Extended storage of the ou tdoor unit prior to installation requires the f ollowing p re - cautionar y measures: 1 .
Figure 15 Lif ting the Unit (P ackag e and Remote) 30-36-foot Base Figur e 16 Lif ting the Unit 39-45-f oot Base 30 RTAC-SVX01F-EN Installation - Mec hanical 1 . Lifti ng c hains/cabl es will not be the s ame length. A djust to keep unit le vel while lif ting.
RTAC-SVX01F-EN 31 Installation - Mec hanical : T able 6 Lif ting W eights and CG Dimensions (Ref er to Figure 1 4 - Figure 1 5 ) Unit W1 W2 W3 W4 W5 W6 W7 W8 Shipping We i g h t Xcg Ycg lbs kg lbs kg .
32 RTAC-SVX01F-EN Installation - Mec hanical 275 T on 50 Hz Std Ef f 3668 3194 3478 30 04 3356 2877 NA NA 1 9577 1 72 41 1 665 1 450 1 579 1 364 152 4 1 306 NA NA 8888 437 6 1 046 275 T on 60 Hz High .
RTAC-SVX01F-EN 33 Installation - Mec hanical 1 55 T on 60 Hz Std Ef f 2967 3453 3399 3790 NA NA NA NA 136 08 90 45 1 346 1 566 1 542 1 71 9 61 73 2286 1 140 1 70 T on 50 Hz High Ef f 4055 4587 3604 41.
34 RTAC-SVX01F-EN Installation - Mec hanical 350 T on 50 Hz Std Ef f 3778 3757 3675 3654 3566 3545 3465 3444 28882 235 44 1 715 1 705 1 668 1659 1 61 9 1 61 0 1 573 1 563 1 31 1 3 5961 1 1 25 350 T on.
RTAC-SVX01F-EN 35 Installation - Mec hanical 1 85 T on 60 Hz S td Ef f 27 40 2991 2079 2329 NA NA NA NA 1 0 1 39 1 03 44 1 243 1 357 943 1 057 4599 261 9 1 1 23 200 T on 50 Hz High E f f 3156 3531 247.
Standard Ef f Pr emium Ef f To n n a g e lbs Kg 36 RTAC-SVX01F-EN Installation - Mec hanical Isolation and Sound Emission The most ef f ective form of isolation is to locate the unit aw ay from an y sound sensi - tive area. Struct urally transmit ted sound can be reduced b y elastomeric vibration elim - inators.
RTAC-SVX01F-EN 37 Installation - Mec hanical Noise Considerations Locate t he outdoor unit a wa y from sound sensitiv e areas. If required, install rubber vibration isolators in all w ater piping and use fle xible electrical co nduit. Consult an acoustical engineer for critical applications .
38 RTAC-SVX01F-EN Installation - Mec hanical Foundation Pro vide rigid, non-w arping mounting pads or a concrete foundat ion of suf ficient strength and mass to suppo rt the outdoor unit operatin g weight (i.e., includin g com - pleted piping, and full operating c harges of r efrigerant, oil and w ater).
Figur e 19 Recommended Unit Cl earances 1 8-21 foot bases Figur e 20 Recommended Unit Clear ances 30-45 foot bases RTAC-SVX01F-EN 39 Installation - Mec hanical.
Figur e 21 Recommended Remot e Evapor ator Unit Clearances 15-30 foot bases 40 RTAC-SVX01F-EN Installation - Mec hanical Unobstructed flo w of condenser air is esse ntial to maint ain c hiller capacit y and oper - ating ef ficienc y .
RTAC-SVX01F-EN 41 Installation - Mec hanical Debris, trash, supplies etc. shou ld not be allowed to accumula te in the vicinity of the unit. Supply air mo vement ma y draw debris int o the condenser coil, bloc king spaces between coil fins and cau sing coil star vation.
42 RTAC-SVX01F-EN Installation - Mec hanical Pro vide shutof f valv es in lines to the gauges to isolate them from the sy stem when they are not in use.
RTAC-SVX01F-EN 43 Installation - Mec hanical 2. T o prev ent switc h flut tering, remove all air from the water system. NO TE: The CH530 pro vides a 6-seco nd time delay af ter a “loss-of- flow” diagnostic bef ore shut ting the unit down. Contact a qualified ser vice represen t ativ e if nuisance mac hine shutdowns persist.
44 RTAC-SVX01F-EN Installation - Mec hanical Ev aporator W at er Pr essur e Dr op RT AC 250 - 500 T on Figure 24 Evapor ator W ater Pr essure Dr op CA UTION Pr oper W ater T r eatment! The use of untr eated or impr operly tr eated w ater in a unit ma y r esult in scaling, er osion, cor rosion, alg ae or slime.
RTAC-SVX01F-EN 45 Installation - Mec hanical Neither salt nor brac kish wa ter is recommended f or use in T rane air -coole d Series R ® c h illers. Use of either will le ad to a shortened lif e to an indeterminable degree.
46 RTAC-SVX01F-EN Installation - Mec hanical W ater Pr essur e Relief V alves CA UTION Shell D amag e! T o prev ent shell damag e, install pr essur e relief v alves in the ev aporator wat er syst em.
RTAC-SVX01F-EN 47 Installation - Mec hanical Important 1 . Additional gly col be yond the recommend ations will adversely ef f ect unit perfor - mance. The unit ef ficiency will be redu ced and the saturated e vaporator tempera - t ure will be reduced.
Ethylene Glycol Pro pylene Gly col DT [F] 468 10 12 14 16 468 10 12 14 16 [C] -15 -14 -13 -12 -1 1 -1 0 -9 -15 -14 -13 -12 -1 1 -1 0 -9 Leavin g W ater T emperat ure (F/C) % Glyc ol Ethylene Glycol Prop ylene Gly col Low Refr ig. T emp Cutout Solution F reez e P oint Low Refr ig.
RTAC-SVX01F-EN 49 Installation - Mec hanical Remote Ev aporator Option The R T AC 140-250 t on outdo or unit with the R emote Ev aporator option is shipped as two pieces: the outdoo r unit (condensing) and the e vaporator . Sho rt suction line connections are provided with th e outdoor cond ensing unit.
50 RTAC-SVX01F-EN Installation - Mec hanical Remote Ev aporator Option 7. Figure 26 , dra wing 1 depicts an installation where the remote e vap orator ele va - tion is the same as that of the outd oor condensing unit. T he suction and liquid lines are horiz ont al or do wn flow ing only .
RTAC-SVX01F-EN 51 Installation - Mec hanical Remote Ev aporator Option Figur e 26 Rem ot e Ev aporat or Installations.
52 RTAC-SVX01F-EN Installation - Mec hanical Remote Ev aporator Option Figure 27 Cir cuit Identification.
RTAC-SVX01F-EN 53 Installation - Mec hanical Remote Ev aporator Option Line Sizing T o determine the appropriat e outside diameter f or field installed liquid and suction lines, it is first necessar y to es tablish the equiv alent length of pipe for eac h line.
54 RTAC-SVX01F-EN Installation - Mec hanical Remote Ev aporator Option Liquid Line Sizing Steps The st eps to compute liquid line siz e are as f ollows: 1 . Compute the act ual length of field installed piping . 2. Multiply t he length from step # 1 by 1 .
RTAC-SVX01F-EN 55 Installation - Mec hanical Remote Ev aporator Option NO TE: Location and quantit y of suction accumulator is dependent upon the unit configuration. Example Liquid Line Sizing T able 13 Requir ed Length of Field Installed Suction A ccumulator 1 3/8" O.
56 RTAC-SVX01F-EN Installation - Mec hanical Remote Ev aporator Option F or this example, refer to Ta b l e 11 , T able 1 2 and Figure 28 . Assume a 70 ton circuit and a lea ving water tempe rature of 49 de grees F . 1. F r o m Figure 28 , the actual length of f ield inst alled piping is: 80 + 8 + 8 + 21 = 1 1 7 f eet 2.
RTAC-SVX01F-EN 57 Installation - Mec hanical Remote Ev aporator Option Suction A ccumulator Sizing Use Ta b l e 1 3 to calculate length and siz e of the required suct ion accumulator(s).
58 RTAC-SVX01F-EN Installation - Mec hanical Remote Ev aporator Option Refr ig erant Sensors All necessar y refrigerant devi ces, transducers an d solenoids are factory inst alled and wired to the evaporator terminal box.
RTAC-SVX01F-EN 59 Installation - Mec hanical Remote Ev aporator Option W ARNING Hazar d of Explosion! Use only dry nitr og en with a pr essur e r egulator f or pr essur izing unit. Do not use acetylene, o xyg en or compr essed air or mixt ures containing them for pr essure t esting.
Figur e 30 Field Wir ing between Remot e Evap orato r and Condensing Unit 60 RTAC-SVX01F-EN Installation - Mec hanical Remote Ev aporator Option Refr ig erant and A dditional Oil Char ge Refr ig erant.
RTAC-SVX01F-EN 61 Installation - Mec hanical Remote Ev aporator Option 1 . T o determ ine the appropriate c harge, first ref er to the General Data T ables in Sec - tion 1 to establish the required c harge without the field-installed piping. 2. Ne xt, determine the c harge required fo r the field-installed piping by ref erring to Ta b l e 1 6 .
62 RTAC-SVX01F-EN Installation - Electrical General Recommendations All wiring must comply with local codes and the National Electric Code. T ypical field wiring diagrams are included at the end of the manu al. Minimum circuit ampacities and other unit electrical data ar e on the unit namepl ate and in Ta b l e 1 7 though T able 19 .
RTAC-SVX01F-EN 63 Installation - Electrical T able 1 7 Unit Electr ical Data f or Std. Efficienc y at All A mbient Operation Unit Size Rat ed Vo l t a g e Unit Wir ing Motor D ata # of Pow e r Conns (1) MCA (3) Ckt1/Ckt2 Max. Fuse, HACR Break er or MOP (1 1) Ckt1/Ckt2 Rec.
64 RTAC-SVX01F-EN Installation - Electrical RT AC 200 200/60/3 1 947 1 200 1 200 2 386-386 2156-21 56 70 1 -70 1 12 1 .5 6.5 0.83 200/60/3 2 522/522 800/80 0 700/70 0 2 386/386 21 56/21 56 70 1/70 1 6/6 1 .5 6.5 0.83 230/60/3 1 8 34 1 00 0 1 00 0 2 336-336 1 756-1 75 6 571 -571 1 2 1 .
RTAC-SVX01F-EN 65 Installation - Electrical RT AC 300 200/60/3 1 NA 200/60/3 2 947/522 1 200/80 0 1200/700 3 386/386/386 2156/21 56/2156 70 1/70 1/70 1 12/ 6 1 .5 6.5 1 .2 230/60/3 1 NA 230/60/3 2 834/459 1 0 00/70 0 1 00 0/600 3 33 6/336/336 1 756/1 756/1 756 571/571/571 12/6 1 .
66 RTAC-SVX01F-EN Installation - Electrical RT AC 450 200/60/3 1 NA 200/60/3 2 1 1 24/947 1200/1 200 1 20 0/1 200 4 459/459/386/ 386 2525/2525/21 56/ 21 56 821/821/70 1/ 70 1 1 4/1 2 1 .5 6.5 1 .59 230/60/3 1 N A 230/60/3 2 9 89/834 1 200/1 00 0 1 200/1 000 4 399/399/336/ 336 21 26/21 26/1 756/ 1 756 691/691/571/ 571 1 4/1 2 1 .
RTAC-SVX01F-EN 67 Installation - Electrical T able 18 Unit Electr ical Data f or High Ef ficiency at Std. Ambient Operation Unit Size Rated Vo l t a g e Unit Wir ing Motor D ata # of Pow e r Conns (1) MCA (3) Ckt1/ Ckt2 Max. Fuse, HACR Break er or MOP (1 1) Ckt1/Ckt2 Rec.
68 RTAC-SVX01F-EN Installation - Electrical RT AC 200 200/60/3 1 931 1 200 1 200 2 373-373 2156-21 56 70 1 -70 1 14 1 .5 6.5 0.83 200/60/3 2 51 2/512 800/800 700/70 0 2 373/373 2156/21 56 70 1/70 1 7/7 1 .5 6.5 0.83 230/60/3 1 820 1 000 1 0 00 2 324-324 1 756-1 756 571 -571 1 4 1 .
RTAC-SVX01F-EN 69 Installation - Electrical RT AC 300 200/60/3 1 NA 200/60/3 2 931/506 1 20 0/800 1 200/60 0 3 373/373/373 21 56/21 56/21 56 70 1/70 1/70 1 1 4/6 1 .5 6.5 1 .2 230/60/3 1 NA 230/60/3 2 820/444 1 000 /700 1 0 00/600 3 324/324/324 1 756/1 756/1 756 571/571/571 14/6 1 .
70 RTAC-SVX01F-EN Installation - Electrical RT AC 400 20 0/60/ 3 1 NA 200/60/3 2 931/93 1 1 200/1 200 1 20 0/1 200 4 373/373/ 373/373 21 56/21 56/ 21 56/2 1 56 70 1/70 1/ 70 1/70 1 14 / 14 1. 5 6 . 5 1. 5 9 230/60/3 1 NA 230/60/3 2 820/820 1 0 00/1 00 0 1 0 00/1 0 00 4 324/324/ 324/324 1 756 /1 756/ 1 756 /1 756 571/571/ 571/571 14 / 14 1.
RTAC-SVX01F-EN 71 Installation - Electrical T able 19 Unit Electr ical Data f or High Ef ficiency at High Ambient Operation Unit Size Rat ed Vo l t a g e Unit Wir ing Mot or Data # of Powe r Conns (1) MCA (3) Ckt1/Ckt2 Max. Fuse, HACR Break er or MOP (1 1) Ckt1/Ckt2 Rec.
72 RTAC-SVX01F-EN Installation - Electrical RT AC 200 200/60/3 1 960 1 20 0 1 200 2 386-386 2156-21 56 70 1 -70 1 14 1 .5 6.5 0.83 200/60/3 2 528/528 80 0/800 700/70 0 2 386/386 21 56/21 56 70 1/70 1 7/7 1 .5 6.5 0.83 230/60/3 1 847 1 00 0 1 000 2 336-336 1 756-1 756 571 -571 1 4 1 .
RTAC-SVX01F-EN 73 Installation - Electrical RT AC 300 200/60/3 1 NA 200/60/3 2 960522 1 200 /800 1 20 0/700 3 386/386/386 21 56/21 56/ 21 56 70 1/70 1/70 1 14/6 1 .5 6.5 1 .2 230/60/3 1 NA 230/60/3 2 847/459 1 00 0/700 1 0 00/600 3 336/336/336 1 756/1 756/ 1 756 571/571/571 1 4/6 1 .
74 RTAC-SVX01F-EN Installation - Electrical RT AC 400 200/60/3 1 NA 200/60/3 2 960/960 1200/1 200 1 200 1200 4 386/386/386/ 386 21 56/2156/ 21 56/2156 70 1/70 1/70 1/ 70 1 1 4/1 4 1 .5 6.5 1 .59 230/60/3 1 NA 230/60/3 2 847/847 1 0 00/1 000 1 00 0/1 0 00 4 336/336/336/ 336 1 756/1 756/ 1 756/1 756 571/571/571/ 571 1 4/1 4 1 .
RTAC-SVX01F-EN 75 Installation - Electrical Installer -Supplied Components Customer wiring interf ace connections are sho wn in the electrical sc hematics and connection diagrams that are ship ped with the unit.
76 RTAC-SVX01F-EN Installation - Electrical 1 1 5 volt field-provided connect ions (either contro l or pow er) ar e made through knoc kouts on the low er lef t side of the panel ( Figure 31 ). A dditional grou nds may be required f or eac h 1 1 5 volt po wer sup ply to the unit.
RTAC-SVX01F-EN 77 Installation - Electrical CA UTION Heat T ape! Contr ol panel main pr ocessor does not chec k for loss of pow er to the heat tape nor does it v er ify ther mostat oper ation.
78 RTAC-SVX01F-EN Installation - Electrical NO TE: Except ions are listed below . When going from Stop to A uto, the EWP rela y is energiz ed immediately . If e vaporator water f low is not established in 4 minutes and 1 5 sec., the CH530 de-energiz es the EWP rela y and generates a non-latc hing diagnostic.
RTAC-SVX01F-EN 79 Installation - Electrical Relay Assignment s Using T echV iew CH530 Ser vice T ool (T ec hVie w) is used to install the Alarm and Statu s Rela y Option pac kage and assign any of the abo ve list of e vents or status to eac h of the four relay s pro vided with the option.
80 RTAC-SVX01F-EN Installation - Electrical Silver or gold-plated contacts are recommended. Th ese customer -furnished contacts must be compatible with 24 VDC, 1 2 mA resistiv e loa d.
RTAC-SVX01F-EN 81 Installation - Electrical permit the ice build ing mode to be reentered unt il the unit has been switc hed out of ice building mode (open 5K1 8 cont acts) and then switc hed bac k into ice building mode (close 5K18 contacts. ) In ice building , all limits (freez e av oidance , e vaporator , condenser , curr ent) will be ignored.
82 RTAC-SVX01F-EN Installation - Electrical If the ECL S input dev elops an open or short, the LLID will report ei ther a very high or very low value bac k to the man processo r . T his will generate an informational diagnostic and the unit will default to usin g the F ront Panel (DynaV iew) Cur rent Limit Setpoint.
RTAC-SVX01F-EN 83 Installation - Electrical • St art Reset Set P oints. • Maximum R eset Set P oints. The e quations for eac h type of reset are as follo ws: Retur n CWS' = CWS + RA TIO (ST A.
84 RTAC-SVX01F-EN Installation - Electrical When the c hiller is not running the CWS is reset immediately (within one minute) for Ret urn R eset and at a rate of 1 degree F e very 5 minutes for Outdoor R eset. T he c h iller will start at the Dif f erential to Start value abov e a fully reset CWS or CWS' for both R etu rn and Outdoor R eset.
RTAC-SVX01F-EN 85 Installation - Electrical T able 24 LonT alk P oints List LonT alk Communications Interf a ce Inputs V ar iable type SNVT_T ype Chiller Enable/Disable binar y st art(1)/stop(0) SNVT_.
86 RTAC-SVX01F-EN Operating P rinciples This sectio n cont ains an o verview of the operation and maintenance of RT A C units equipped with CH5 30 control sy stems.
RTAC-SVX01F-EN 87 Operating P rinciples Figur e 34 Sy stem Schematic.
88 RTAC-SVX01F-EN Operating P rinciples Refr ig erant R134a The R T A C c hiller uses environmentally friend ly R1 34a. T rane believes that responsible refrigerant practices are impo rt ant to the en vironment, our customers, and th e air conditioning industry .
RTAC-SVX01F-EN 89 Operating P rinciples some fa ns are shut of f to maintain the pressure di f f erential. F an staging depends on the c h iller load, e vaporator pr essure, condenser ef f ectiven ess, ambient temperat ure, and numbers and siz es of fans installed on the circuit.
90 RTAC-SVX01F-EN Operating P rinciples Oil that gets past the oil separators flo ws through the con denser , subcooler and expansion v alve into the e vaporator . This oil is collected in the poo l of refrigerant t hat is maintained in the bot tom of the evapo rator .
RTAC-SVX01F-EN 91 Contr ols Interface CH530 Communications Ov erview Th e T rane CH530 control system that ru ns the c hiller consists of sev eral elements: • The main processor collects dat a, stat us, and diagnostic inf ormation and commu - nicates commands to the st arter module and the LLID (f or Lo w Lev el Intelligent De vice) bus.
92 RTAC-SVX01F-EN Contr ols Interface Ke y Functions In this touc h screen application , ke y functions are det ermined completely b y sof tware and c hange depending upon the su bject mat t er curren tly being display ed. Th e basic touc h screen functions are outlined belo w .
RTAC-SVX01F-EN 93 Contr ols Interface its tab, thereby making it look lik e a part of the curre nt folder (as w ould an open folder in a file cabinet).
94 RTAC-SVX01F-EN Contr ols Interface The ALARMS but t on appears only when an alarm is present, and blinks (by alternating between normal and rev erse video) to dra w at tention to a diagnostic condit ion. Press - ing the ALARMS but ton t ak es you to the co rresponding tab fo r additional infor mation.
RTAC-SVX01F-EN 95 Contr ols Interface If the Displa y and T ouc h Screen Loc k feat ure is disabled, the follo wing screen is auto - matically display ed if the DynaVie w T emperature is belo w freezing and has been 30 minutes af ter the last ke y stroke.
96 RTAC-SVX01F-EN Contr ols Interface T able 25 Chiller Modes Chiller Modes Description T op Lev el Mode Sub-modes Stopped The c hiller is not running and cannot run without inter- vention. F ur ther information is pro vided by the sub- mode: Local Stop Chiller is stoppe d by DynaView Stop but ton command- cannot be remotely over ridden.
RTAC-SVX01F-EN 97 Contr ols Interface Star t Inhibited by BA S The c hiller is inhi bited from starting (and running ) by command from a Bu ilding Au tomation S ystem via the digital communicati on link (com 3 or com 5). W aiting for BAS Communications This is a transient mode - 15 -min.
98 RTAC-SVX01F-EN Contr ols Interface Unit is Building Ice The c hiller is running in the Ice Building Mode, and eith er at or mo ving towards full capa city available. Ice m ode is terminated either with the removal of the ice mode command or with th e return brine temperature falling below the Ice T ermination Setpo int.
RTAC-SVX01F-EN 99 Contr ols Interface Aut o The given circuit is not currently running but can be expected to start at any moment giv en that the proper conditio ns and interloc ks are satisfied. No Sub Modes Starting The given circuit is going through the ne cessar y steps to allow the lead compressor on that circuit to start.
100 RTAC-SVX01F-EN Contr ols Interface T able 27 Compressor Modes Compr essor Modes Description T op Lev el Mode Sub-modes Stopped The given compressor is not running and cannot run without inter- vention.
RTAC-SVX01F-EN 101 Contr ols Interface Chiller Scr een The c hiller screen is a summar y of the c hiller activit y . A uto Stop Chiller Compressor Evap Leaving W ater Temperature: Evap Entering Wat er Te m perature: A ctive C hilled Water Setp oint: 44.
102 RTAC-SVX01F-EN Contr ols Interface Eac h compressor has its own scre en depending on whic h radio k ey is pressed. Whe n toggling between compre ssor screens, say t o compare starts and run time, th e same lines can be seen wit hout additional key strok es.
RTAC-SVX01F-EN 103 Contr ols Interface Setpoint Scr een The set point screen is a t w o-part screen. Screen 1 lists all setpoints a vailable to c hange along with their current v alue. The operator selects a se tpoint to c hange b y touc hing either the verbal description or s etpoint value.
104 RTAC-SVX01F-EN Contr ols Interface Diagnostic Scr een The diagn ostic screen (shown follow ing) is accessible by either pressing the blinking ALARMS key or b y pressing the Diagnostic t ab on the screen tab selection. A hex code and a verbal description appears on the display as shown typically abov e.
RTAC-SVX01F-EN 105 Contr ols Interface tics, consistent with the circuit to whic h they belong. One circuit not opera ting will not shut the c h iller do wn. Vi e wing the “Compressor” scre en will indic ate whether a circuit is not operating and for what reason .
RTAC-SVX01F-EN 106 Te c h V i e w T ec hVie w is the PC (laptop) based tool used f or servicing T racer CH530. T ec hnicians that make any c hiller co ntrol modification or ser vice any diagnostic wit h T racer CH530 must use a laptop r unning the sof tware application “T ec hVie w .
RTAC-SVX01F-EN 107 Te c h V i e w Minimum PC r equir ements to install and oper ate T echV iew • P entium II or higher proce ssor • 1 28M b RAM • 1 024 x 7 68 resolution of displa y • 56K mode.
108 RTAC-SVX01F-EN Te c h V i e w Upon successful Local Connect T e c h View will displa y UNIT VIEW . RT A C Unit Vie w is shown below Figure 38 Unit View.
RTAC-SVX01F-EN 109 Te c h V i e w Compr essor Service View The Compressor View provides conv enient acc ess to ser vice fun ctions for pumping do wn circuits and test st arting comp ressors. V arious operational loc kouts allow ope ration of the rest of the c hiller while some parts are aw aiting repa ir .
110 RTAC-SVX01F-EN Te c h V i e w Status V iew Status Vie w displays, in real time, all non-set point dat a organized by subsystem tabs. As data c hanges on the c hiller it is automatically updated in Status V iew .
RTAC-SVX01F-EN 111 Te c h V i e w T able 34 Status V iew Item s Ta b Te x t U n i t s Chiller Chiller T op Level Operating Mode T ext Chiller Sub Operating Mode T ext Operating Mode T ext Chiller Sub .
112 RTAC-SVX01F-EN Te c h V i e w Compressor Line 3 Current % RLA Maximum Line Current Amps Supply Oil T emperature T emperature Intermediate Oil P ressure Pres sure Female Step Loader Loaded/Unloaded.
RTAC-SVX01F-EN 113 Te c h V i e w Setpoint View Setpoint vie w display s the activ e setpoints and allows y ou to make c hanges. Figur e 41 Setpoint View Setpoint List The center of the window di splay s the scrollable list of setpoi nt panels.
114 RTAC-SVX01F-EN Te c h V i e w Setpoint Numer ic P anel A setpoint numeric panel contains a la bel with the setpoint de scription, a Defa ult but ton, a te xt field with a unit label, and a slider . The Default but ton c hanges the setpoint to th e product's fact or y set ting.
RTAC-SVX01F-EN 115 Te c h V i e w T able 35 Setpoints V iew Items Ta b Te x t Min Va l u e Max Va l u e Default V alue Unit T ype Chiller Front Panel Di splay Units E nglish, SI English Disp lay Units Chiller Fro nt Panel Chil led W ater Setpoint 10 (-12.
116 RTAC-SVX01F-EN Te c h V i e w Chiller Outdoor Maximum R eset 0 20 (1 1 .1 1) 5 (2.78) Differential Te m p D e g F ( C ) Chiller External Chilled W ater S etpoi nt Enable, Disable Disable Enabled /.
RTAC-SVX01F-EN 117 Te c h V i e w Diagnostics V iew This wind ow lists the activ e and inacti v e (history) diagnostics. There ca n be up to 60 diagnostics, both activ e and historic. F or e xample, if there w ere 5 active diagnostics, the possib le number of historic diagnos tics w ould be 55.
118 RTAC-SVX01F-EN Te c h V i e w Configuration V iew This vie w displa ys the activ e configuration and allo ws you to mak e c hanges. Figur e 43 Configuration V iew Configuration Vie w allows y ou to defi ne the c hiller's components, ratings, and configuration set tings.
RTAC-SVX01F-EN 119 Te c h V i e w Selecting the Undo All bu t ton will undo any configuration set ting c hanges made during the present T ec hV iew connection and since the last time the Load Config uration bu t ton was selected.
120 RTAC-SVX01F-EN Te c h V i e w Feature Condenser F an/Motor Configurati on N - Condenser fans with O DP motors W - Low Noise fans T - Condenser fans with TEA O motors Compressor Motor Starter T ype.
RTAC-SVX01F-EN 121 Te c h V i e w Features Installation Accessories N - No installation accessories R - Neoprene Isol ators F - Flanged water connection kit G - Neoprene isol ators and flange wtr conn.
122 RTAC-SVX01F-EN Te c h V i e w Sof twar e V iew Sof t ware vie w allows you to v erify the version of c hiller sof t ware currently r unning on the Eas yV iew or DynaVie w and download a new v ersion of c hiller sof t ware t o the EasyVie w or DynaV iew .
RTAC-SVX01F-EN 123 Te c h V i e w Binding Vi ew Binding Vie w allows y ou to assess th e status of the network and all the devices connected as a whole, or the st at us of individual devices b y using status icons and func tion but t ons.
124 RTAC-SVX01F-EN Te c h V i e w Replacing o r A dding Devices If a device is communicating but incorrectly c onfigured, it might not be necessar y to replace it. If the prob lem with the de vice is related to communication, at tempt to rebind it, and if the de vice becomes correctly configured, it will then communicate properly .
RTAC-SVX01F-EN 125 Te c h V i e w 5. P roceed to “Main Pr ocessor Sof tware Do wnload” page and read the instructions to do wnload the latest ve rsion of main processor installation files. Note: you will first select the c hiller t y pe to obt ain the a vailable file v er - sions.
126 RTAC-SVX01F-EN Diagnostics The f ollowing Diagnostic T able contains all diagnostics possible ar ranged alphabetically b y the name assigned to eac h diagnostic. Not all diagnostics are av ailable unless T ec hVie w is inst alled. Legen d to Diagnostics T able Hex Code : 3-digit code used t o uniquely identify diagnostics.
RTAC-SVX01F-EN 127 Diagnostics 69F Comm Loss: E vap Oil R eturn V alve , Cprsr 2B Normal Latch Same as Comm Loss: Chilled W ater Flow Switc h Remote 5E4 Comm Loss: Ev aporator Entering W ater T empera.
128 RTAC-SVX01F-EN Diagnostics 698 Comm Loss: Fan Inverter P ower , Circuit #2 or Circuit #2 Drive 1 and 2 Normal Latch Same as Comm Loss: Fan Inverter Fault, Circuit #1 or Circuit #1, Drive 1 Remo te.
RTAC-SVX01F-EN 129 Diagnostics 5E2 Comm L oss: Ou tdoor Air T emperature Normal Lat c h Conti nual loss of communicat ion between the MP and the F unctional ID has occurred for a 30 sec ond period.
130 RTAC-SVX01F-EN Diagnostics 6B9 Evaporator Rfgt Drain - Circuit 1 NA Latch This diagnostic is ef f ecti ve only with Remote Evap units. The liquid level of the respective evaporator was not seen to be below the level of -21 .2 mm (0.83 in) within 5 minu tes of the commanded ope ning of its Drain V alve Solenoid .
RTAC-SVX01F-EN 131 Diagnostics BE High Pressure Cutout - Compressor 2A Immediate Latc h S ame as High Pressure Cutout - Co mpressor 1A Local BF Hi gh Pressure Cutout - Compressor 2B Immediate Latc h S.
132 RTAC-SVX01F-EN Diagnostics B5 Low Suction Refrigerant Pressure - Circui t 1 Immediate Latc h a. T he Suct ion Refrigerant Pressure (or ei ther of the compres sor suction pr essures) dropped b elow 1 0 Psia just prior to compressor start (af ter EXV pr eposition).
RTAC-SVX01F-EN 133 Diagnostics 1 9D Phase L oss - Compressor 1B Immediate Latc h Same as Phase L oss - Compre ssor 1A Local 1 9E Phase L oss - Compressor 2A Immediate Latc h Same as Phase L oss - Comp.
134 RTAC-SVX01F-EN Diagnostics CC St arter Cont actor Inte rr upt Failur e - Compressor 2A Special Mode Latc h Detected compressor currents greater tha n 1 0% RLA on any or all phases when the c ompressor was commanded off . Detection time shall be 5 second mi nimum and 1 0 secon ds maximum.
RTAC-SVX01F-EN 135 Diagnostics 5C8 St arter Module Memor y Error T ype 1 - Starter 2B Info Latc h Same as Starter Modul e Memor y Err or T ype 1 - Starter 2A Lo cal 5C5 St arter Module Memor y Error T.
136 RTAC-SVX01F-EN Diagnostics D8 U nder V ol tage Normal NonLat c h a. Line volt age below - 1 0 % of nominal or the Und er/Ov er voltag e transformer is not co nnected. [Must hold = - 1 0 % of nomin al. Must trip = - 1 5 % o f nominal. Reset diff ere ntial = min.
RTAC-SVX01F-EN 137 P re-Star t Chec kout Installation Checklist Complete this c hec k list as the unit is inst alled and verify that all recommended proce - dures are acc omplished before the unit is started.
138 RTAC-SVX01F-EN P re-Star t Chec k out Electr ical Wir ing W A RNING Hazar dous V oltage w/Capacit ors! Disconnect all electr ic pow er , including r emot e disconnects befor e servicing. Follo w pr oper lock out/tagout pr ocedur es to ensur e the pow er cannot be inadv ert ently ener gized .
RTAC-SVX01F-EN 139 P re-Star t Chec k out • If alarm and s tatus relay outputs are used , install lea ds from the pa nel to the proper terminals on cir cuit board. • If the emergency stop function is used, inst all low v oltage leads to terminals on circuit board.
140 RTAC-SVX01F-EN P re-Star t Chec k out CA UTION Compr essor D amag e! It is imper ative that L1, L2, L3 in the star t er be connected in the A -B-C phase sequence t o pr event equip ment damage due t o r everse r otation. 5. Fill the ev aporator c hilled w ater circuit.
RTAC-SVX01F-EN 141 P re-Star t Chec k out CA UTION Equipment D amag e! Pr ovide adequat e v oltage t o the unit. F ailure t o do so can cause contr ol components t o malfunction and short en the lif e of rela y contact, compr essor motors an d contactors.
142 RTAC-SVX01F-EN P re-Star t Chec k out W A RNING Hazar dous V oltage w/Capacit ors! Disconnect all electr ic pow er , including r emot e disconnects befor e servicing. Follo w pr oper lock out/tagout pr ocedur es to ensur e the pow er cannot be inadv ert ently ener gized .
RTAC-SVX01F-EN 143 P re-Star t Chec k out CH530 Set-Up Use of T ec hVie w ser vice tool is required to vie w and adjust most set ting s. Ref er t o the Controls Interf ace section f or instruct ion on adjustment of the set tings.
144 RTAC-SVX01F-EN Unit Star t-Up P r ocedures D aily Unit Start-Up The time line for sequence of oper ation is shown at the end of this section and depicts the nominal delay s and sequence s that a c hiller would e xperience during a typical operational cycle.
RTAC-SVX01F-EN 145 Unit Star t-Up P r ocedures Once the sy stem has been operating f or appro ximately 30 minutes and has become stabilized, complete the remainin g st art-up procedures, as f ollows: 1 . Chec k the ev aporator refrigerant pr essure and the condenser refrige rant pressure under R efrigerant R eport on the CH530 T ec hVi ew .
146 RTAC-SVX01F-EN Unit Star t-Up P r ocedures Syst em Restar t Aft er Ext ended Shutdown F ollow th e procedures belo w to restart the unit af ter ex tended shutdo wn: 1 . V erify that the liquid line ser vice valv es, oil line, compressor disc harge ser vice valv es and suction ser vice v alves are open (bac kseated).
RTAC-SVX01F-EN 147 Unit Shutdo wn P r ocedures T empor ary Shutdown And Restar t T o shut the unit do wn f or a short time, use the f ollo wing procedure: 1 .
148 RTAC-SVX01F-EN Unit Shutdo wn P r ocedure CA UTION Disconnect P ow er! Lock the d isconnects in the “ OPEN” position t o prev ent accidental star t- up and damag e to the syst em when it has been setup f or extended shutdown.
RTAC-SVX01F-EN 149 P eriodic Maintenance P erform all mainte nance procedures and in spections at the recommended intervals. This will prolong the lif e of the c hiller and mi nim iz e the possibility of costly failures. Use an “ Operator’ s Log” , suc h as that shown at the end of the sect ion, to record an operating history for the unit.
150 RTAC-SVX01F-EN P eriodic Maintenance W A RNING Hazar dous V oltage w/Capacit ors! Disconnect all electr ic pow er , including r emot e disconnects befor e servicing. Follo w pr oper lock out/tagout pr ocedur es to ensur e the pow er cannot be inadv ert ently ener gized .
RTAC-SVX01F-EN 151 P eriodic Maintenance Sales Order # Job Elevation (f t. above sea level) Chiller Appearanc e on arrival: ckt1/ckt2 ckt1/ckt2 Volts Hz lbs gal Vacuum after leak test= mm Standing Vac.
152 RTAC-SVX01F-EN P eriodic Maintenance RTA C Unit Con figuration Job Nam e J ob Location Serial # CRC # Sales Or der # Ship Date J ob Elevation (f t.
RTAC-SVX01F-EN 153 P eriodic Maintenance RTA C Chiller Log Job Name Job Location Model # Serial # Status View : * Chiller T ab: 15 m in 30 min 45 m in 15 min 30 min 45 m in Operating Mode Outdoor Air Tem perature F or C Active Chill W ater Setpoint F or C Active Curr ent Limit Setpoint Evaporator Entering W ater Tem p.
154 RTAC-SVX01F-EN P eriodic Maintenance Compressor 2A Tab Compressor 2B T ab Operating Mode Hours Hrs/m ins Hrs/mins Starts 15 m in 30 m in 4 5 min 15 min 30 m in 45 m in Phase A - B Voltage volts Av.
RTAC-SVX01F-EN 155 Maintenance P r ocedures Refr iger ant and Oil Charg e Manag ement Pr oper oil and refrigerant c harge is essential for proper unit ope ration, unit perfor - mance, and enviro nment al protect ion. Only trained and licensed serv ice personnal should ser vice the c hiller .
156 RTAC-SVX01F-EN Maintenance P r ocedures • Lo w oil sump lev el af ter normal shut down • Lo wer than normal oil concentrations in e vaporator R134a Field Char ging Proce dure Be certain th at the electrical power to th e unit is disconnected bef ore perf orming this procedure.
RTAC-SVX01F-EN 157 Maintenance P r ocedures 2. At t ac h c harging ho se to e vaporat or ser vice va lve (3/8” (9mm) flare). Open se r vice val ve. 3. A dd c harge to e vaporator to brin g total circuit c harge up to the le vel indicated in the abo ve c hart.
158 RTAC-SVX01F-EN Maintenance P r ocedures NO TE: Units with a desig n sequence of A0 did not ha ve enough capacity in the condenser to hold the en tire c harge. T able 37 lists the amount of c harge that w ould flood the oil separator if th e c harge w as isolated in the high side.
RTAC-SVX01F-EN 159 Maintenance P r ocedures The e v aporator is large enough to hold all the c harge for any unit to belo w the center - line of the shell. T herefor e, no special precautions are required to re st art the unit af ter isolating the c harge in the ev aporator .
160 RTAC-SVX01F-EN Maintenance P r ocedures oil will result in high oil circulation rates whic h will foul the cond enser and evaporator performance. T his will result in inef ficien t operation of the c hiller .
RTAC-SVX01F-EN 161 Maintenance P r ocedures 1. T o measur e oil lev el , use the oil drain valv e on the oil line and a service valv e on the disc harge line.
162 RTAC-SVX01F-EN Maintenance P r ocedures CA UTION Equipment D amage! Use only T rane OIL00 048 in the R T AC units t o a void an y catastrophic damage t o the compressor or unit. • Have the unit in vacuum. Note that t he vacuum connection sh ould be made on the unit at the service valv e that is on the disc harge line.
RTAC-SVX01F-EN 163 Maintenance P r ocedures 7 . When oil comes out of the flare fit ting on t he oil line shut of f valve the filter is full. Stop adding oil. 8. P ut the cap on the flare on the oil line shut of f valv e, remo ve the c harging hose and put the cap bac k on the flare on the filter housing.
164 RTAC-SVX01F-EN Maintenance P r ocedures 2. Disconnect po wer t o the c hiller . Remo ve the electrical junction bo x cov er and disconnect the wires. W A RNING Hazar dous V oltage! Disconnect all electr ic pow er , including r emot e disconnects befor e servicing.
RTAC-SVX01F-EN 165 Unit Wiring Th is section provides field wirin g diagrams , electrical sc hematics and connection dia - grams for 1 4 0-500 t on RT A C units .
166 RTAC-SVX01F-EN 2227.
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168 RTAC-SVX01F-EN 2228.
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172 RTAC-SVX01F-EN 2230.
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174 RTAC-SVX01F-EN 1 988.
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190 RTAC-SVX01F-EN 2202.
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198 RTAC-SVX01F-EN 2242.
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200 RTAC-SVX01F-EN 2231.
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202 RTAC-SVX01F-EN 487 6.
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204 RTAC-SVX01F-EN 1 992.
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208 RTAC-SVX01F-EN 4877.
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210 RTAC-SVX01F-EN 2205.
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212 RTAC-SVX01F-EN 1 352.
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214 RTAC-SVX01F-EN 4880.
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216 RTAC-SVX01F-EN 4882.
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218 RTAC-SVX01F-EN 4883.
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220 RTAC-SVX01F-EN 1 353.
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228 RTAC-SVX01F-EN 4899.
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230 RTAC-SVX01F-EN 4871.
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232 RTAC-SVX01F-EN 487 4.
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248 RTAC-SVX01F-EN 4872.
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250 RTAC-SVX01F-EN 19 7 4.
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T rane h as a policy of continuous product d ata and product improvement and reser ves the right to c hange design and specifications without notice. Only qualified technicians should perform the installation and ser vicin g of equipment ref erred to in this bulletin.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Trane RTAC 140-500 ton units (60 Hz) c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Trane RTAC 140-500 ton units (60 Hz) - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Trane RTAC 140-500 ton units (60 Hz), vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Trane RTAC 140-500 ton units (60 Hz) va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Trane RTAC 140-500 ton units (60 Hz), mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Trane RTAC 140-500 ton units (60 Hz).
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Trane RTAC 140-500 ton units (60 Hz). Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Trane RTAC 140-500 ton units (60 Hz) ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
