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MicroMetl ECD-SRT34SA-DWES - User Manual

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Foremost HVAC Accessory Manufacturer
Economizer ECD-SRTSA-DW
Install Guide
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MicroMetl ECD-SRT34SA-DWES Specifications

General IconGeneral
BrandMicroMetl
ModelECD-SRT34SA-DWES
CategoryIndustrial Equipment
LanguageEnglish

Summary

Safety Considerations

Cut Hazard

Sheet metal parts may have sharp edges or burrs. Use care and wear protective clothing.

Electrical Shock Hazard

Failure to follow this warning could cause personal injury or death. Disconnect power.

Installation Procedures

Unit Power and Panel Removal

Steps for disconnecting power, removing access panels before installation.

Economizer Hood and Damper Assembly

Instructions for assembling the hood, installing the damper assembly, and securing the unit.

Sensor and Wiring Connections

Guidance on relocating the outside air sensor and installing the supply air temperature sensor.

Economizer Control Modes Overview

Control Mode Determination

Determine control mode based on required sensors; kits include SAT, lockout switches, and OA sensors.

Specific Control Modes

Fixed Dry Bulb Control

Economizer adjusts dampers based on a fixed 70°F outdoor air temperature setpoint for free cooling.

Adjustable Outdoor Dry Bulb Control

Economizer adjusts dampers based on a selectable outdoor temperature setpoint for free cooling.

Configuration Settings

Damper Position Control

Demand Controlled Ventilation (DCV)

DCV Setup Procedure

Steps to set up DCV by adjusting minimum/maximum damper and CO2 setpoints for IAQ.

CO2 Sensor Configuration

Economizer Operation

Sequence of Operation

Checkout and Troubleshooting

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