SPX Cooling Technologies Marley MH 05-116E User Manual Download | Manualshive

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Marley

MH

Fluid Cooler

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User Manual 05-116E

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Summary of Contents for Marley MH 05-116E

Page 1: ...Marley MH Fluid Cooler User Manual 05 116E...

Page 2: ......

Page 3: ...n and operation of your fluid cooler Carefully read the manual before installation or operation of the fluid cooler and follow all instructions Save this manual for future reference Indicates presence...

Page 4: ...te located on the access door Safety First The location and orientation of the fluid cooler can affect the safety of those responsible for installing operating or maintaining the fluid cooler However...

Page 5: ...HF706 and MHF707 only Ladder extensions used where the base of the tower is elevated Safety cages for ladders External lube lines Access door platform Motor located outside the tower Double flow model...

Page 6: ...fluid cooler from the delivering carrier inspect the shipment for evidence of damage in transit If damage is apparent note the freight bill accordingly This will support your future recovery claim Fi...

Page 7: ...ooler to supporting steel with 3 4 diameter bolts and flat washers by others See support drawing for location and quantity Position flat washers between the bolt head and the fluid cooler basin flange...

Page 8: ...sconnect switch the motor should be wired to main power supply through short circuit protection and a magnetic starter with overload protection Motor Wiring Wire motor leads as shown on the motor name...

Page 9: ...limit amp draw to nameplate amps during cold weather operation If furnished with a mechanical O L set this at 110 over motor nameplate amps Motor rotation must be the same in both VFD mode and By pass...

Page 10: ...ual Improper use of a VFD may cause damage to equipment or personal injury Failure to correctly install the VFD drive will automatically void all warranties associated with the motor and any equipment...

Page 11: ...educer to the proper level with approved lubricant See Geareducer User Manual Check oil level at the Geareducer or dipstick standpipe located on fan deck if so equipped to confirm that the proper leve...

Page 12: ...th a 2 minute time delay between changes of direction These delays will prevent abnormal stress from being applied to the mechanical equipment and the electrical circuit components 5 Run the motor and...

Page 13: ...nue filling the system until the water reaches a level approximately 1 8 3 mm below the lip of the overflow 4 Start your pump s and check for proper rotation as indicated by the arrow on the pump cove...

Page 14: ...7 0 to 7 6 The chlorine re sidual must be held at 4 to 5 mg L ppm for six hours measurable with standard commercial water test kits If the fluid cooler has been in operation and then shut down for a d...

Page 15: ...e fluid cooler Reduced wet bulb temperatures will result in colder process fluid temperatures However the cold process fluid temperature will not vary to the same extent as the wet bulb For example a...

Page 16: ...equipped with a two speed motor s you will enjoy greater opportunity for process temperature control When the process fluid temperature becomes too cold switching the fan to half speed will cause the...

Page 17: ...he minimum allowable cold process fluid temperature is estab lished at or near minimum heat load it should be safe for all operat ing conditions Having established the minimum allowable cold water tem...

Page 18: ...ive Caution note on page 12 for fan speed change and reversing precautions Intermittent Wintertime Operation If periods of shutdown nights weekends etc occur during freezing weather measures must be t...

Page 19: ...r local Marley sales representative Operation Model Coil Volume US Gallons Model Coil Volume US Gallons MHF702__061 65 MHF705__061 235 MHF702__081 85 MHF705__081 315 MHF702__101 105 MHF705__101 390 MH...

Page 20: ...led between 6 5 and 8 0 with hardness and alkalinity levels between 100 and 300 ppm expressed as CaCO3 Chlorine if used shall be added intermittently with a free residual not to exceed 1 ppm maintaine...

Page 21: ...fill surfaces and the coil should be flushed by use of a moderate pressure water nozzle being careful not to cause physical damage A reliable water treatment program should be installed and maintaine...

Page 22: ...ied hardware located at the top and bottom of the motor support assembly before adjusting the jacking screws Do not remove the hardware it is required to support the motor Tighten the hardware after a...

Page 23: ...d of the rod next to the casing Turn the nut closest to the end of the rod to tighten the belt Turn the other nut to loosen the belt After achieving proper tension tighten the double nuts located on t...

Page 24: ...ier Sheave Alignment The motor sheave is to be positioned as close as possible to the motor in order to minimize stress on the motor bushings The motor and fan sheaves may have grooves that are not us...

Page 25: ...result in a fall Included with this instruction packet are separate User Manuals on each major operating component of the tower and it is recommended that you read them thoroughly Where discrepancies...

Page 26: ...gh pressure water may damage the eliminator and louver material Observe operation of the float valve Depress the operating lever to make sure that the valve is operating freely Inspect the suction scr...

Page 27: ...and fan guard Refer to Component User Manuals for torque values Inspect the fluid cooler thoroughly making maximum use of instructions given in the separate user manuals Check structural bolted conne...

Page 28: ...draining promotes corro sion inside the coil tubes See protecting coil in Freezing weather on page 18 During shutdown clean the fluid cooler see Warning page 21 and make any necessary repairs Elimina...

Page 29: ...Clean and lubricate motor at close of each operating season refer to motor manufacturer s recommendations Check motor anchor bolts and tighten as required See Page 28 for fluid coolers with motor loca...

Page 30: ...e shipped within 24 hours by air freight if necessary However you would obviously benefit from anticipating your need in ad vance thus avoiding the cost of special handling Be sure to mention your flu...

Page 31: ...x x Lube lines if equipped Check for oil leaks in hoses or fittings x R x Belt drive if equipped Fan shaft bearing lubrication every 3 mo every 3 months every 3 months Check and tighten support fasten...

Page 32: ...nbalanced voltage Check voltage and current of all three lines against nameplate values Overload Check fan blade pitch See Fan User Manual Check for drag in fan drivetrain as from damaged bearings Wro...

Page 33: ...haft bearing Belt drive Grease bearings Scale or foreign substance in circulating water system Insufficient blowdown See Water Treatment section of this manual Water treatment deficiency Consult compe...

Page 34: ...eld installation is required for fan guards double flow models piping inlets and piping outlets Some optional accessories such as handrails ladders and safety cages may also require field installation...

Page 35: ......

Page 36: ...PARK KANSAS 66213 UNITED STATES 913 664 7400 spxcooling spx com spxcooling com In the interest of technological progress all products are subject to design and or material change without notice 2008...

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