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Manual Carrier 90MU

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  • Carrier 90MU - page 1

    90MA/MU Single-Package Marine Cooling Units Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 1 Installation, Operation and Service Instructions SAFETY CONSIDERATIONS The 90MA/MU Units ar ...

  • Carrier 90MU - page 2

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 2 TABLE 1A - 90MA /MU PHYSICAL DA TA – R-134A , ENGLISH UNITS (See Table 2A for SI units) LEGEND FPT = Female Pipe T hread MPT = Male P ...

  • Carrier 90MU - page 3

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 3 TABLE 1B - 90MA /MU PHYSICA L DATA – R-407C , ENGLISH UNITS (See Table 2B for SI units) LEGEND FPT = Female Pipe T hread MPT = Male P ...

  • Carrier 90MU - page 4

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 4 TABLE 1C - 90MA /MU PHYSICA L DATA – R-404A , ENGLISH UNITS (See Table 2C for SI units) LEGEND FPT = Female Pipe T hread MPT = Male P ...

  • Carrier 90MU - page 5

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 5 TABLE 2A - 90MA /MU PHYSICAL DA TA – R-134A , SI UNITS LEGEND FPT = Female Pipe T hread MPT = Male Pi pe Thread ODF = Outside Diamete ...

  • Carrier 90MU - page 6

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 6 TABLE 2B - 90MA /MU PHYSICA L DATA – R-407C , SI UNITS LEGEND FPT = Female Pipe T hread MPT = Male Pi pe Thread ODF = Outside Diamete ...

  • Carrier 90MU - page 7

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 7 TABLE 2C - 90MA /MU PHYSICA L DATA – R-404A , SI UNITS LEGEND FPT = Female Pipe T hread MPT = Male Pi pe Thread ODF = Outside Diamete ...

  • Carrier 90MU - page 8

    FIGURE 1 - BA SE UNIT INTERIOR DETAILS (TYPICA L UNIT SHOWN) Step 4 - Rig and Place Unit - NOTE: Install accessories before placing unit. a. Provide space around unit for service, filter access, and overhead clearance as indicated in Figure 2. b. Move and store unit in upright position. c. Use slings with spacer under base skid to prevent panel dam ...

  • Carrier 90MU - page 9

    DIMENSION “D” MUST BE EQUAL ALL AROUND FIGURE 3 - HORIZONTA L WHEEL CENTERING FIGURE 4 - CONCENTRIC WHEEL A LIGNMENT Step 6 – Check Fan Shaft and W heel Alignme nt - HORIZONTAL WHEEL CENT ERING - All wheels must be horizontally centered betw een the inside edges of their fan scroll ventures (Figure. 3). Adjust as follows: a. Loosen set screws ...

  • Carrier 90MU - page 10

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 10 a. Route regulating valve capilla ry w ith its flare nut to the fitting on refrigerant discharge line (Figure. 1), using any convenien ...

  • Carrier 90MU - page 11

    TA BLE 3 - RECOMMENDED LINE SIZ ES (INCHES) REMOTE CONDENSERS DISCH LIQ UID DISCH LIQUID DISCH LIQUID DISCH LIQ UID 404 R-407C 1/2 3/8 5/8 3/8 5/8 3/ 8 5/8 3/8 406 R-407C 5/8 3/8 3/4 3/8 3/4 3/ 8 3/4 3/8 408 R-407C 3/4 1/2 3/4 1/2 7/8 1/ 2 7/8 1/2 412 R-407C 7/8 1/2 7/8 1/2 7/8 1/2 1-1/8 5/8 504 R-404A 5/8 3/8 5/8 3/8 3 /4 3/8 3/4 3/8 506 R-404A 3/ ...

  • Carrier 90MU - page 12

    Step 12 - Make Electrical Connections GENERAL - Provide an adequate fused disconnect switch within sight of the unit. Provision for locking sw itch open (OFF) is advisable to prevent power from being turned on when unit is being serviced. POWER WIRING - Conduit opening for all units is on left side of unit near control box. Connect field power w ir ...

  • Carrier 90MU - page 13

    SERVICE WARNING NEVER reach into unit while fan is running. LOCK OPEN AND TAG unit disconnect before working on fan. Remove fuses and take them with you after noting this on tag . CAUTION 1. Sharp edges of coil fins are exposed. To prevent injury, cover top of evaporator with cardboard or a few layers of heavy tape. 2. To avoid coil damage, cover e ...

  • Carrier 90MU - page 14

    Eva porator Coil - Observe fan compartment Caution note at the beginning of the Service section. Remove dirt and debris from evaporator coil as required by condition. Clean coil w ith a stiff brush, vacuum cleaner or compressed air. Use a fin comb of the correct tooth spacing (Refer to Tables 1A/B/C/2A/B/C for coil fins/inch) when straightening mas ...

  • Carrier 90MU - page 15

    Charging the System (90MA) - These units are shipped with a full operating charge. If recharging is necessary (complete charge lost), wei gh in amount of refrigerant indicated on unit nameplate and in Table 1. If unit has partial charge, it must be recharged by removing existing charge and recharging by w eighing in the required amount of refr iger ...

  • Carrier 90MU - page 16

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 16 compressor equipped units and on the suction line on all other units. Oil Charge - All units are factory charged w ith oil. On 06D com ...

  • Carrier 90MU - page 17

    FOR NOTES AND LEGEND, SEE FIGURE 13 FIGURE 12 WIRING SCHE MATIC - 90MA/MU*04/*06 Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 17 ...

  • Carrier 90MU - page 18

    FIGURE 13 COMPONENT ARRA NGEMENT - 90MA/MU*04/*06 Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 18 ...

  • Carrier 90MU - page 19

    FOR NOTES AND LEGEND, SEE FIGURE 15 FIGURE 14 - ELECTRICAL SCHEMATIC - 90MA/MU*08/*12 Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 19 ...

  • Carrier 90MU - page 20

    FIGURE 15 - COMPONENT ARRANGEMENT - 90MA/MU008/012 Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 20 ...

  • Carrier 90MU - page 21

    FIGURE 16 – MOUNTING BASE ASSEMBLY – 90MA/MU*04/*06 Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 21 ...

  • Carrier 90MU - page 22

    Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009 Pg 22 FIGURE 17 – MOUNTING BASE ASSEMBLY – 90MA/MU*08/*12 ...

Manufacturer Carrier Category Air Conditioner

Documents that we receive from a manufacturer of a Carrier 90MU can be divided into several groups. They are, among others:
- Carrier technical drawings
- 90MU manuals
- Carrier product data sheets
- information booklets
- or energy labels Carrier 90MU
All of them are important, but the most important information from the point of view of use of the device are in the user manual Carrier 90MU.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Carrier 90MU, service manual, brief instructions and user manuals Carrier 90MU. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Carrier 90MU.

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A complete manual for the device Carrier 90MU, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Carrier 90MU by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Carrier 90MU.

A complete Carrier manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Carrier 90MU - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Carrier 90MU, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Carrier 90MU, that we can find in the current document
3. Tips how to use the basic functions of the device Carrier 90MU - which should help us in our first steps of using Carrier 90MU
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Carrier 90MU
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Carrier 90MU in a specific country, if it was not possible to solve the problem on our own.

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