Instruction/ maintenance manual of the product 90MU Carrier
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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.
Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.
Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.
Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.
Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.
Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.
Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Manufacturer reserves the right to discont inue, or change at any time, specifications or designs without notice and without incurring obligations Printed in U.
An important point after buying a device Carrier 90MU (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 90MU 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 90MU - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 90MU you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 90MU will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 90MU, 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 90MU.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 90MU. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 90MU 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
