Sterling 25001301 Installation And Maintenance Manual Download Page 1 | Manualshive

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SC3-600 March

2000

Part No. 25001301

Direct Drive

Fluid Coolers

Installation and

Maintenance Data

Table of Contents

Inspection
System Warranty
Installation ........................................2

Rigging Instructions ...........................3

Internal Volume and Weight ..............4

Electrical Wiring ............................ 4-6

System Installation
Piping Installation
Glycol Charge ...................................7

Mixing Glycol and Water
Glycol Sludge Prevention
Fluid Circulating Pump....................................8

Start-up
Space and Location Requirements ............9-10

Typical Piping
In-Warranty Return Material Procedure..........11

Replacement Parts ....................................... 12

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Summary of Contents for 25001301

Page 1: ... Installation 2 Rigging Instructions 3 Internal Volume and Weight 4 Electrical Wiring 4 6 System Installation Piping Installation Glycol Charge 7 Mixing Glycol and Water Glycol Sludge Prevention Fluid Circulating Pump 8 Start up Space and Location Requirements 9 10 Typical Piping In Warranty Return Material Procedure 11 Replacement Parts 12 ...

Page 2: ...is recommended The roof must be strong enough to support the weight of the unit Concrete slabs used for unit mounting should be installed level and be properly supported to prevent settling A one piece concrete slab with footings extending below the frost line is recommended The dry cooler should be located far enough away from any wall or other obstruction to provide sufficient clearance for air ...

Page 3: ...acent units Sufficient free area should be left around and below unit to avoid air restriction to coil Vertical airflow type units should be located no closer than the width of the unit from a wall or other obstruction It two or more units are to be positioned in the same area a 3 ...

Page 4: ...iagrams shown are only basic and do not show fuses disconnect switches etc which must be provided in the field All standard motors have internal inherent overload protectors Therefore contactors can be used instead of starters requiring thermal protectors eliminating the problem of furnishing the proper heating elements All dry coolers or units are furnished with either single phase or three phase...

Page 5: ...5 Double Row of Fans Single Row of Fans Diagram 1 Typical Fluid Cooler Wiring Diagram Without Fan Cycle Controls ...

Page 6: ...Double Row of Fans Single Row of Fans Diagram 2 Typical Fluid Cooler Wiring Diagram With Standard Fan Cycle Controls 6 ...

Page 7: ...ture Any refill should be controlled so as to main tain the proper glycol to water ratio Table 3 shows pressure drops for various pipe sizes at flow rates commonly used with a typical dry cooler These pipe sizes are not necessarily always correct for the run from the condenser to the dry cooler Proper pipe size will depend on available pump head This can be determined by subtract ing from the tota...

Page 8: ...ate inhibitor treatment must be used 4 The glycol manufacturer should provide inhibitor check service and supply additional inhibitor as required Fluid Circulating Pump Mechanical seal type pumps must be used for glycol systems Gland type pumps would cause glycol waste and if used with a pressure reducing valve will lead to dilution of the glycol mixture and eventual freeze up Pump is selected for...

Page 9: ...uid or air This is necessary so you will build a head of fluid which will force the air from the system Once all the air is out you will have a steady flow of only fluid At this joint you should close off the two hose bibbs and open the shut off valve See Diagram 3 3 Flow Adjustment Procedure Once the system is completely full of fluid start the fluid circulating pump To assure proper fluid flow a...

Page 10: ...its placed side by side the minimum distance between units is the width of the largest unit If units are placed end to end the minimum distance between units is 4 feet Multiple Units room is left for maintenance work through access doors and panels Overhead obstructions are not permitted When the unit is in an area where it is enclosed by three walls the unit must be installed as indicated for uni...

Page 11: ...lude part number model number and serial number of the unit involved Material may not be returned except by permission of authorized factory service personnel of Sterling Inc in New Berlin Wisconsin A Return Goods tag will be sent to be included with the returned material Enter the required information on the tag in order to expedite handling at our factories and prompt issuance of credits All par...

Page 12: ...Sterling Inc 2900 S 160th Street New Berlin WI 53151 262 641 8610 y Fax 262 641 8653 www sterlco com ...

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