Enertech WD240, Installation & Operation Manual, Page: 2 / 32

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Enertech Global IOM, WD Models
Section 1: Model Nomenclature and AHRI Performance Data
Unit Model Nomenclature Decoder
................................................................................................................................... 3
AHRI Performance Data
.................................................................................................................................................... 3
Section 2: Installation Introduction
Introduction
.................................................................................................................................................................... 4
Pre-Installation Steps
........................................................................................................................................................ 5
Components
.................................................................................................................................................................... 5
Section 3: Installation Considerations
Unit Placement ................................................................................................................................................................ 6
Guidelines For Heating Mode Operation ............................................................................................................................ 7
Section 4: Unit Data Information
Unit Dimensional and Physical Data ................................................................................................................................... 8
Unit Electrical Data ........................................................................................................................................................... 9
Section 5: Unit Piping Installation
Water Quality ................................................................................................................................................................ 10
Section 6: Antifreeze
Antifreeze Overview ....................................................................................................................................................... 11
Antifreeze Percentages by Volume ................................................................................................................................... 12
Section 7: Controls
Features
........................................................................................................................................................................ 13
Sequence of Operation
................................................................................................................................................... 17
Section 8: Wiring Diagrams: WD 240 Series
WD 240 Series Wiring Diagram ........................................................................................................................................ 18
WD 360 Series Wiring Diagram ........................................................................................................................................ 19
Section 9: Equipment Start-Up Procedures
Equipment Start-up Form ................................................................................................................................................ 20
Equipment Start-up Process ............................................................................................................................................ 21
Pressure Drop Table ........................................................................................................................................................ 22
Heating & Cooling Calculations Table ................................................................................................................................ 23
Section 10: Troubleshooting
Troubleshooting Tips .................................................................................................................................................24-26
Refrigeration Troubleshooting ......................................................................................................................................... 27
Superheat/Subcooling Conditions .................................................................................................................................... 27
Typical R-410A Unit Superheat/Subcooling Values ............................................................................................................. 27
Section 11: Warranty Forms & Revision Table
Claim Form
.................................................................................................................................................................... 28
Registration Form
........................................................................................................................................................... 29
Revision Table
................................................................................................................................................................ 30