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Enviro Manuals
Fan
HDD
Installation operation & maintenance
Enviro HDD Installation Operation & Maintenance
Direct drive blower-coil units
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Safety Symbols
Safety Considerations
Section One - Receipt & Initial Installation
Direct Drive Blower-Coil Series Features
Preface
Unpacking & Inspection
Code Compliance
Handling and Installation
Unit Rigging and Placement
Drain Pan
Coils
Cooling/Heating Medium Connections
Ductwork Connections
Electrical Connections
Electrical Enclosure
Condensate Drain and Traps
Service and Clearance Requirements
Clearance
Section Two - Start-Up
General
Cooling/Heating System
Air System Balancing
Motor & Fan Data
Water System Balancing
Controls Operation
Section Three - Normal Operation & Periodic Maintenance
General
Motor/Blower Assembly
Coil
Electric Resistance Heater Assembly
Electrical Wiring & Controls
Filters, Throwaway
Drain
Optional Item Installation
Condensate Float Switch Installation
Replacement Parts
Section Four - Discrete Components
Fan Motor Control
Installation
Reference Wire Diagram
Inputs and Outputs
Tools Needed for Installation/Troubleshooting
Jumpers
Checking Wire Harnesses
Discrete Components
Section Five - Troubleshooting
EC Motor
Cooling System
Electric Heat
Section Six - Inspection & Start-Up Checklist
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Table of Contents
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Direct Drive Blower-Coil Series Features
3
Electrical Connections
4
Motor & Fan Data
5
Controls Operation
6
Reference Wire Diagram
7
Ec Motor
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DIRECT DRIVE BLOWER-COIL UNITS
INSTALLATION, OPERATION & MAINTENANCE
Form ET115.24-NOM12 (718)
Model VDD
Model HDD
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Table of Contents
Troubleshooting
Inputs and Outputs
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Section Five - Troubleshooting
26
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