Mestek Alton Manual Download Page 8

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  Turbocell Units

  The water regulator valve should be adjusted so 

that the media is damp from top to bottom. If water 

is flowing down the outside surface of the media, 

the water flow is too high. Adjust the water regula-

tor valve so that media is only damp on the enter-

ing air side.

  After unit has been shut down, check ductwork 

downstream for any signs of water carry over. If 

water is in the ductwork, the water flow is too high. 

Adjust the water regulator valve until this condition 

has been corrected.

3.  Adjust water bleed-off valve. The unit is provided 

with a manually adjustable bleed-off valve which 

will allow for continuous bleed-off of water into the 

overflow connection on the sump.

  The bleed-off required is dependent on the qual-

ity of water used and the rate of evaporation. As 

climate conditions change, the rate of evaporation 

may increase, thereby requiring an increase in the 

bleed-off rate. It is recommended that the bleed-

off rate be set for the condition of maximum water 

evaporation.

  An indication of insufficient bleed-off is a uniform 

build-up of minerals on the entering air face of 

the cooling media. If this condition is observed, 

increase the rate of bleed-off until the mineral 

deposits dissipate. Repeated drying of the cooling 

media will also cause the rapid build-up of insolu-

ble mineral deposits.

SECTION VI - UNIT SHUTDOWN

A. Extended Shutdown —

1.   Disable the cooling for 30 seconds, then disable 

the fan.

2.  Open the electrical disconnect switch.

3.  Drain sump(s) and shut-off all water valves.

B. Emergency Shutdown ONLY —

1. Open the electrical disconnect switch.

Summary of Contents for Alton

Page 1: ...this appliance is hazardous FOR YOUR SAFETY If you smell gas 1 Open Windows 2 Don t touch electrical switches 3 Extinguish any open flame 4 Immediately call your gas supplier WARNING Improper install...

Page 2: ...s filed They will give you disposition instructions Packing We comply with the packing requirements of the transportation companies and your bill of lading proved that everything was in good condition...

Page 3: ...or to beginning installation of a module that has been in storage for weeks or months the module and its components should be closely inspected Shipments are made F O B Dallas Texas by flat bed truck...

Page 4: ...electrical connections must conform to the current edition of ANSI NFPA No 70 National Electrical Code and applicable local codes The following recommen dations are not intended to supplant any requi...

Page 5: ...ke up water inlet NOTE Soft water equipment should not be attached to water lines going to the evaporative cooler Soft Water will cause corrosion and decrease the effective life of the cooler Proper w...

Page 6: ...the power lines to the line side of the main disconnect switch 2 Mount and wire remote control panel thermostats temperature sensors and any other field installed con trols as indicated on the unit co...

Page 7: ...ntrol inspection However these settings should be verified at the job site 11 Depending on local water pressure a pressure regulating valve may be required to stabilize the make up water flow and the...

Page 8: ...p The bleed off required is dependent on the qual ity of water used and the rate of evaporation As climate conditions change the rate of evaporation may increase thereby requiring an increase in the b...

Page 9: ...ive media damaged or partially blocked 2 Media water distribution header or orifices plugged 1 Localized media face velocity exceeding 500 FPM 2 Evaporative media is damaged 3 Too much recirculating w...

Page 10: ...f rate is excessive 2 Verify that water level in direct evaporative section s sump is correct 3 Direct evaporative section s sump water fill and level control valve defective 1 Minimum bleed off rate...

Page 11: ...or death Periodic maintenance is essential to the efficient operation and extended service life of this equipment Failure to provide maintenance as recommended may void the equipment warranty A Maint...

Page 12: ...ered MODEL NUMBER SERIAL NUMBER FACTORY ORDER F O and PART NUMBERS are required Contact the Technical Services Department at 214 638 6010 for all warranty issues All warranty parts will be shipped fre...

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