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Hastings EC-40 User Manual

Hastings EC-40
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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.
ISEC-1
July 1997
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Hastings EC-40 Specifications

General IconGeneral
BrandHastings
ModelEC-40
CategoryAccessories
LanguageEnglish

Summary

Precautions and Safety Guidelines

Power Off for Repairs

Shut off and lock main power before making repairs or replacements.

Electrical Testing Safety

Use extreme caution during voltage tests on live circuits following safety procedures.

Qualified Personnel for Electrical Repairs

Electrical repairs must be performed by trained and qualified personnel only.

Avoid Bypassing Circuits

Do not attempt to operate the unit by jumping or bypassing any circuit.

Reservoir Maintenance

Keep the evaporator reservoir clean and prevent sediment or scale accumulation.

Water Pressure Limits

Do not exceed the water pressures recommended in this manual.

Product Specifications

Water Connections

Details of water connections including overflow, drain, and float valve.

Electrical Specifications

Electrical specifications including pump motor, HP, amperage, and voltage.

Bleed-Off Flow Rates

Approximate bleed-off flow rates for different unit models.

Construction and Media Specifications

Specifications for construction materials, media, temperature, and pH range.

Installation Instructions

Unit Positioning and Support

Proper positioning, electrical supply, water supply, and structural support for the cooler.

Electrical Connections and Wiring

Guide for making electrical connections and referring to wiring schematics.

Trouble Shooting Guide

Troubleshooting Green Water

Addresses causes and corrections for green water issues, including rinsing and algae.

Troubleshooting Foaming

Covers natural foaming and when to use a defoamer for the unit.

Troubleshooting Scaling

Explains scale formation and adjustments to bleed-off rate and water flow.

Troubleshooting Water Flow Issues

Addresses issues with water depositing into transition and reservoir not draining.

Troubleshooting Dry Reservoir

Checks for issues causing the reservoir to become dry, like valve problems.

Troubleshooting Water Leakage

Investigates water exiting the backside of the cooler and related causes.