Carrier T-326 manual

R OPERA T OR’S MANUAL for SPLIT SYSTEM Bus Air Conditioning Units T - - 326 Rev - - T ransport Air Conditioning TRANSPORT AIR CONDI TIONIN G[...]

OPERA T OR’S MANUAL BUS AIR CONDITIONING UNITS GEN I V & GE N V[...]

i CONTENT S Pag e Intr oduction 1 ............................ Safety 3 .................................. Unit/System Information 4 ................. 1.1 WHA T IS A IR CO NDI TI ONI NG 4 ............. 1.2 SPL IT SYSTEM 4 .......................... 1.3 SYSTEM DESIGNA TIONS 4 ................ 1.4 SYSTEM COMPONENTS 4 ................. 1.5 MODEL AN D [...]

1 I NTRO DUCTI O N S PLIT S YSTEM O PER A T OR ’S M ANUAL This guide has been prepared f or t he oper ator of Car rier Transport Air Conditioning syst ems. I t cont ains basic inst ruct ions for the daily operation of the air c onditioni ng system as well as safet y inform ation, and other inf ormat ion t hat will help you to maintain a comf ort [...]

3 T - - 326 S AFET Y Y our Carri er Transport Air Conditi oning syst em has been designed with t he saf ety of the operat or in m ind. Dur ing normal oper ation, all moving par ts are f ully enclosed t o help prev ent injur y . During all pre-t rip inspect ions, daily inspec tions , and problem tr oubleshooting, you may be ex posed to m oving part [...]

4 T - - 326 U NIT / S YSTEM I NFOR MA TION 1.1 W HA T I S AI R CO NDI TI O NING Air C onditioning is t he cooling, heat ing, dehumidif icat ion, and filt rat ion of t he air wit hin the pas senger com part ment of a vehic le. 1.2 SPLIT SYST EM A Split Sys tem normally inc ludes an Ev aporat or(s ), a Condenser(s ) a Compres sor( s) and interc onnec[...]

5 T - - 326 Air In Air Out Air In Air Out 10 1 2 3 4 5 6 7 8 9 1. Co mpressor 2. Elec tr o - - Magnet ic Clut ch 3. Disc harge Line 4. Condenser 5. F ilter Dr yer/ Sight Glass Assembl y 6. Liquid Line 7. Evapor ator 8. Bloc k V alv e (T XV) 9. Fr eezest at - - (Coil fr eeze - - up t herm ost at) 10. Suct ion Line Figure 1- 1 C ompone nt Locat ions [...]

6 T - - 326 Pressu re Swi tch - - T he systems use hi gh and low pre ssure swit ches wir ed in s eries to cont rol the power circ uit of t he compr essor c lutc h relay . If either pressur e swit ch opens, inter rupting t he cir cuit t o the c lutc h relay , t he operat ion of t he compr essor w ill stop. When condit ions r etur n t o normal the sw[...]

7 T - - 326 Figure 1- 3 R oof Mounted Conde nse rs EM- - 9 Locati on Figure 1- 4 R ea r/Side M ounted Gen IV Eva pora tor s NOT E The EM - - 9 evapor ator data t ag is located on the side of the evaporat or assem bly , not between t he blower as semblies . Figure 1- 5 R ea r/Side M ounted Gen V Eva pora tor s[...]

8 T - - 326 1.6 SYSTEM REQUIREMENTS LABEL The system requirem ent s label (See F igure 1 -6) is convenient ly located w ithin t he vehicle’s engine com part ment. T his label, when properly c omplet ed by t he inst aller , will give the ser vicing technic ian the ref rigerant and oil charge(s) , evaporat or( s), c ondenser( s), and compr essor (s[...]

9 T - - 326 U NIT O PERA TIO N 2.1 O PERA T ING INS TRUCT IO NS Before at tempting t o operate t he syst em, power must be available fr om the v ehicle bat ter y . If t he engine is not running, s tar t the engine. Most syst ems will not operate unless a signal is received to t he cont roller f rom the vehic le ignition. Carrier T ransport Air Cond[...]

10 T - - 326 Ther e will be some applic ations wher e the s witc h mount ing plate, ther most at and f an speed switc h are mounted in the driv ers area without the cont rol panel hous ing. On ot her applicat ions t he vehic le manuf act urer ( OE M) will s upply different t ype cont rols f or t he ai r condit ioning syst em. Ref er to O EM technic[...]

11 T - - 326 Move t he ON/ O FF s witc h to t he ON pos ition. A green light will illuminat e indicat ing that the cont roller has power . At t he same t ime the evapor ator f ans will oper ate in either Low , M edium or High speed, depending on t he F an Speed swit ch loc ation. 1 2 3 4 5 1F a c e P l a t e 2 Gr een Light 3 Rocker Swit ch, 2 Posit[...]

12 T - - 326 Fus e 3A m p In - - Line Fuse & Holder Fus e Cover Figure 2- 3 In - - Line Fuse & H older ( 3 Am p) 2.3. 4 In - - li n e Fu se The cont roller is prot ect ed by a 3 Amp A TO type in - - line fuse (F igure 2-3) . T o replace the f use do t he following: a. Make sure ignit ion power is off. b. Grasp f use c over at finger gr ips [...]

13 T - - 326 S YSTEM M AINT ENANCE 3.1 M AINTENANCE S CHEDULE SYSTEM O P E R A T I O N ON OFF O P E R A T I O N a. D aily Mainte nanc e X X X Pre - - tr ip inspect ion - - aft er st art ing. (Refer t o para- graph 2. 4) Check t ension and condit ion of drive belt s. b. Weekl y Main ten an ce X X Perf orm daily inspec tion Check c ondenser , ev apor[...]

14 T - - 326 SYSTEM O P E R A T I O N ( C o n t i n u e d ) ON OFF O P E R A T I O N ( C on t i nue d ) e. Semi - - Annual Ins pec tion a nd Maint ena nce X X X X X X X Che ck system pressure s. Check ref rigerant in sight glass . Check elem ent in t he the s ight glas s. ( Gr een is dry - - Y ellow is wet) Ins pect c ondenser f an blades. Open bus[...]

Index 1 I NDEX C Clutch - - Elec tr o - - Magnet ic, 4 Comp ressor , 4 Condenser , 4 Contr ol Panel - - F lorida, 10 Contr ol Panel - - S tandar d, 9 E Evapor ator, 5 F Filt er/ Dryer, 5 Fus e, In - - Line, 12 I Int roduct ion, 1 M Maint enance Schedule, 13 Max System, 4 Model T ag, 6 O Oper ating I nst ruct ions, 9 P Pre - - T rip I nspect ion, 12[...]

Index 2 I NDEX ( C ONTI NUED) U Un it In form ati on , 4 Unit Oper ation, 9 V V alve - - E xpansion/ Bloc k, 5 W W arrant y/ Ser vice, 14 What I s Air Conditioning, 4[...]

© 2005 Carrier Corporatio n D Print ed in U. S. A. 0605 A mem ber of t he Unit ed T ec hnologies Corporatio n fam ily. St ock sy mbol UT X Carrier Transport A ir Condit ioni ng 50 Grumbac her Road Y ork PA 17402 U.S A T el: 1 - -800 - - 673 - - 2431 Fax : 1 - - 717 - -764 - - 0401 Carr ier Transic old D ivis ion, Carr ier Cor poration Transport A [...]