Instruction/ maintenance manual of the product 90MA/MF/MU Carrier
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62 - - 10458 - - 00 Models 90MA/MF/MU, Design Series T wo Beginning Serial Number C00400 INST ALLA TION OPERA T ION & SER VICE Marine /Industria l Sing le Packag e Cooling Unit.
Carr ier C orporation 2000 D Printed in U . S. A. 0700 OPERA TION AND SER VICE MANUAL MARINE/INDUSTRIAL S INGLE P ACKAGE COOLING UNIT MODELS 90MA/ MF/M U, Design Series T wo Beginning Serial Number C00400 Carr ier Transic old, Car rier C orporat ion, P .
Safe ty- 1 62 - - 10458- - 00 SA FETY S UMMA R Y GENE RAL SAF ET Y NOT I CES The following ge nera l safe ty notices supplement the specific war nings and c autions appear ing elsew here in this manual. They are recomm ended precautions t hat mu st be understood and applied during operation and maintenance of the e quipment cover ed he rein.
Safe ty-2 62- - 10458 - - 00 CAUTIO N Sharp edges of coil fins ar e exposed. T o pr event injury , cover top of evaporator with cardboard or a few layers of heavy tape. CAUTIO N T o avoid coil d amage, cover e vaporator fac e with plywood or other rigid sh eet mat erial.
i 62- - 10458 - - 00 T ABLE O F CONT ENTS P ARAGRAPH NUM BER Page GENERAL S AFETY NOTIC ES Safety -1 ..................................................... FIRST A ID Safet y-1 ...................................................................... OPER A TING P RE CAUTIONS Safety -1 .
ii 62- - 10458 - - 00 LIS T OF ILLU STR A TIONS FI GURE NUM BER Page Figure 1 Base Un it Interior D eta ils (T ypical) 1 ................................................ Figure 2 Unit Dimensions 5 ......................................................
1 62- - 10458 - - 00 1. INT RODUCT I ON The 90M series single- - pac kage cooling units (See Figure 1) are de signed to provide air conditioning aboar d mar ine vesse ls and in industrial applica tions. The 90MA units are fitted with se a wate r c ooled conde nsers while the 90MF units are fitte d with fr esh water cooled c ondense rs.
2 62- - 10458 - - 00 T abl e 1 90MA/ MF / MU Ph ysi cal Dat a - - Refri geran t 22 R - - 22 - - English U nits R- -2 2 - - Me t r i c U ni t s BASE UNIT 90MA/MF/M U UNITS Englis h ( Metr ic ) 204 206 208 212 204 206 208 212 NOMI NAL CAP ACITY T ons (k W) 3 5 7.
3 62- - 10458 - - 00 T abl e 2 90MA/ MF / MU Ph ysi cal Dat a - - Refri geran t 407C R - - 407C - - Eng l ish Un i ts R - - 407C - - Met ric Un i ts BASE UNIT 90MA/MF/M U UNITS Englis h ( Metr ic ) 404 406 408 412 404 406 408 412 NOMI NAL CAP ACITY T ons (k W) 3 5 7.
4 62- - 10458 - - 00 T abl e 3 90MA/ MF Physi cal Data - - Ref rig eran t 134a R - - 134a - - Eng l ish Un i ts R - - 134a - - Metri c Uni ts BASE UNIT 90MA/M F UNITS Englis h ( Metr ic ) 308 312 308 312 NOMI NAL CAP ACITY T ons (k W) 5.5 8 19.3 28. 1 OPERA TING WEIGHT Base Unit Pounds (k g) 895 950 406 431 Dis c harge Plenum Pounds (k g) 50 50 22.
5 62- - 10458 - - 00 UNIT 004 006 008,012 A B C 36.19( 919) 21.88( 556) 59.12( 1501) 48(1219) 29.62( 752) 69.50( 1765) D SEE NOTE 2 E 24(610) F G H J 13.81( 351) 13.13( 333) 0.75( 19) 12.5( 318) 16.44( 418) 15(381) 0.75( 19) 10.62( 270) 19.38( 492) 17.
6 62- - 10458 - - 00 90MA/M F004/ 006 UNI TS 90MU004/006 UNI T S 90MA/M U008/012 UNI T S 90MU008/012 UNI T S UNIT A* B* C* D* E F G 90MA/MF004 1/ 2 1/2 -- -- ¾ FPT -- -- -- -- 1.
7 62- - 10458 - - 00 T able 4 Re com me nded Line Size s, Re mote Conde nse r UNIT L ENG TH O F RUN (90MU) 0- -2 5 26 - - 50 51 - - 75 76 - - 100 ( ) DISCH LIQUID DIS CH LIQUID DISCH LIQUID DISCH LIQUID 004 1/2 (1.3) 1/2( 1.3) 5/8(1.6) 1/2(1.3) 5/8(1.
8 62- - 10458 - - 00 CONTROL WIRI NG - - On extende d voltage (208/230- - v) units, the control t ransf ormer is factor y wired for 208 - - v usage . If unit is to be used on 230- - v system, reconne ct primar y wiring on transfor mer . See F igure 13 (004/006 size) or Figure 15 (008/012 siz e).
9 62- - 10458 - - 00 switch T - - HIGH to ener gize liquid line solenoid (LLS) [to acti vat e the fu ll ev apor ator coi l and all co mp resso r cylinde rs]. If thermosta t switch T- - HIG H is not calling for cooling, power flows to e ner gize compressor unloader sole noid (US) [to unloa d compr essor cyli nd ers].
10 62- - 10458 - - 00 BEL T TENSION ADJUSTMENT - - S hut off unit power supply . Loosen fan motor from mounting bracke t. Do not loosen motor mounting bra cke t from unit. Move f an motor up or down until proper belt ten sion is a chieve d (appr oximate ly 3/4- - in.
11 62- - 10458 - - 00 c. Re gulate flow to condense r with a supply line valve. If pump is a non - - overloading type , the valve may be fully close d while pump is running. For aver age scale deposit, allow solution to remain in condenser over- night.
12 62- - 10458 - - 00 5.1 0 Eva porator Fa n Motor Re mov al a. S hut of f unit main powe r supply . W ARNI NG Lo ck op en an d tag u ni t d is con n ect before work in g o n fan mo tor . Remov e fu ses an d tak e them wi th you after n oti n g th is on tag.
13 62- - 10458 - - 00 BASED ON DRA WI NG 50BW 400093 USED ON A 004/006 SI ZE 40.25 52.00 B 22.00 27.31 C 38.25 50.00 D 36.25 48.00 E -- 1.25 F -- 45.50 G 18.005 23.31 H -- 0.75 J -- 25.81 K 3.18 -- L 2.56 -- M 8.75 -- N 2.00 -- P 1.00 -- R 5.00 9.00 S 7.
14 62- - 10458 - - 00 TB1- - 1 R B W FOR HO T WA TER /STEAM HEA T S EE NOTE 2 ORN (SEE NOTE 3) SUPPL Y POWER T- -LOW RED X2 X1 F RED RED TB1- - 5 TB1- - 4 YEL DPS BLU ORN SW SPS CL VIO GROUND L3 L2 G .
15 62- - 10458 - - 00 H1 CONTROLLING HEA T CONT ACTOR TRANSFORMER SUCTION PRESSURE SWI TCH INTERNAL PROTECT OR- - COMPRESSOR INDOOR F AN MOTOR INDOOR F AN CONT ACTOR BACKUP HEA T CONT ACTOR TB H2 IPC .
16 62- - 10458 - - 00 TB1- - 1 T- -HIG H R R 8 BLU BLK 90MA012 UN ITS ON L Y B W ORN B W 9 IPC CD T 2 BLK US BLK BLU CD T 1 2 OLA 1 BLU 2 OLB 1 FOR HO T WA TER /STEAM HEA T S EE NOTE 2 ORN (SEE NOTE 3.
17 62- - 10458 - - 00 OL OVER LOAD US UNLOADER SOLENOID H1 CONTROLLI NG HEA T CONT ACTOR TRANSFORMER SUCTION PRESSURE SWI TCH INTERNAL PROTECT OR- - COMPRESSOR INDOOR F AN MOTOR INDOOR F AN CONT ACTOR.
Index - - 1 62- - 10458 - - 00 A Access P anel , 9 Accesso ry Pl enu m, 1 Air Filte r , 5, 10 C Component Arr angeme nt, 15, 17 Condensate Drain, 7, 10 Condenser , 10 Condenser Connec tions, 6 Cran kc.
An important point after buying a device Carrier 90MA/MF/MU (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 90MA/MF/MU yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Carrier 90MA/MF/MU - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 90MA/MF/MU you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 90MA/MF/MU will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 90MA/MF/MU, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Carrier 90MA/MF/MU.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 90MA/MF/MU. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 90MA/MF/MU along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
