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ISEC
-1
July 1997
INSTALLATION AND OPERATION
MANUAL
Evaporative Coolers
EC-40, -80, -120, -160, -220, -300, -400,
-500, -600, and -750
N O T I C E
Read These Instructions Before Installation
Upon arrival, inspect the unit for shipping damage and
completeness. If any part is missing or damaged, notify
the carrier immediately. Always refer to the unit's serial
and model numbers located on the specification plate
when making an inquiry regarding maintenance and
parts.
To insure unit integrity, use only Factory
Authorized Replacement Parts.
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Table of Contents
Summary of Contents for Hastings EC-40
- Page 1 ISEC July 1997 INSTALLATION AND OPERATION MANUAL Evaporative Coolers EC-40, -80, -120, -160, -220, -300, -400, -500, -600, and -750 N O T I C E Read These Instructions Before Installation Upon arrival, inspect the unit for shipping damage and completeness.
- Page 2 CONTENTS Precautions .………………………………………………………………………..... Page 2 Specifications ………………………………………………………………………....Page 3 Unit Installation ………………………………………………………………………………….. 1. Evaporative Cooler ……………………………………………………...... Page 3 2. Wiring …………………………………………………………………………………... Page 3 3. Water connections ……………………………………………………………………. Page 4 Operation 1. Standard Unit ………………………………………………………………………….. Page 4 2. Unit with automatic Drain Kit ……………………………………………....Page 5 3.
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Page 3: Specifications
SPECIFICATIONS Model (EC) Dry Weight 1067 Operation Weight** 1135 1680 1930 2085 2635 Pump Cap/GPH req.* 540+ 630+ 630+ 630+ Cap/GPH @ Lift* 1135 1135 1135 1135 1100 1080 1080 1060 1060 Pump Lift/ft. * These figures do not include the 3 to 6 percent bleed-off rate required to reduce scaling for standard unit. **Unit in operation, media fully saturated. -
Page 4: Operation
CAUTION: the electrical wiring must comply with all applicable local, state, or provincial and national ordinances and codes. Water connections (refer to "Specifications') should, and must follow, local codes and ordinances. Connections are provided on each unit with standard pipe thread sizes. Refer to pages 4 and 5 for your system. For units with automatic drain kit and freeze protection, the minimum pressure should be 10 PSI so valves will operate properly;... -
Page 5: Start Up Procedure
SOLENOID & TIMED DRAIN VALVE WITH FREEZE PROTECTION START UP PROCEDURE 115 VOLT 1 PHASE OPEN MANUAL SHUT OFF ALVE (WV). TIMER WHEN EVAPORATIVE COOLER IS ACTIVATED IT CLOSES DUMP VALVE (DV). 3 WAY VALVE (TV) OPENS AND ALLOWS FRESH FREEZE STAT WATER TO FLOAT VALVE. -
Page 6: Service And Parts
SERVICE AND PARTS Evaporative cooler media may be removed from the rear for cleaning or replacement, as required, by removing the upper rear panel. Use only standard garden hose variety, with minimal water pressure, to avoid damaging the filter media when cleaning. It would be advisable to replace evaporative cooler media every five years on units that are subject to contaminated atmospheres, or where water has a high mineral content. - Page 7 - 7 -...
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Page 8: Troubleshooting Guide
Evaporative Cooler……………….. 2. Damaged media. Replace. 3. If these problems, contact your service or unit representatives: A. Lack of CFM. B. Improper static pressure. P.O. Box 669 · Hastings, Nebraska 68902-0669 Phone (402) 463-9821 · Fax (402) 462-8006 www.hastingshvac.com E-mail:...