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FORM 145.18-IOM1
ISSUE DATE: 8/30/2018
TABLE OF CONTENTS
SECTION 1 - INSTALLATION ..................................................................................................................................9
Notice and Disclaimer ......................................................................................................................................9
Disclaimer ................................................................................................................................................9
Pre-Installation .................................................................................................................................................9
Literature .................................................................................................................................................9
Shipping ..................................................................................................................................................9
Inspection and Storage .........................................................................................................................10
Preparations for Installing the Unit ........................................................................................................10
Rigging .................................................................................................................................................. 11
Cabinet Riser Installation ............................................................................................................................... 11
Placing the Cabinet ............................................................................................................................... 11
Riser Loop ......................................................................................................................................................16
Hoses .............................................................................................................................................................16
Electrical Wiring ..............................................................................................................................................18
Field-Installed Power Wiring ..................................................................................................................18
Field-Installed Low Voltage Wiring ........................................................................................................18
Optional Surface Mount Thermostat Connection Wiring .......................................................................19
Optional Remote Mounted Thermostat Wiring ......................................................................................19
Optional ADA Door Mounted Thermostat ..............................................................................................20
EC Motor (ECM) Continuous Fan .........................................................................................................20
Closet and Drywall Installation .......................................................................................................................20
Acoustic Return Air (RA) Panel ......................................................................................................................20
Supply Air (SA) Ductwork ...............................................................................................................................24
Horizontal Supply Air .............................................................................................................................24
Top Discharge Supply Air ......................................................................................................................24
Top Mounted Fresh Air Intake ........................................................................................................................27
Top Mounted Fresh Air Intake with Motorized Damper .........................................................................27
System Flushing and Cleaning ......................................................................................................................28
Flushing the System ..............................................................................................................................28
Cleaning the System .............................................................................................................................29
Chassis Installation ........................................................................................................................................32
For Units with NPSH Valve Connection and Hose Sets ........................................................................32
For Units with NPT Style (Tapered Pipe Thread) Valve Connection and Hoses ...................................32
SECTION 2 - OPERATION .....................................................................................................................................35
Pre-Start-Up Checklist ....................................................................................................................................35
Initial Unit Start-Up .........................................................................................................................................35
System Loop Temperature .............................................................................................................................36
Fan Speed Adjustment ...................................................................................................................................36
Unit Controls ...................................................................................................................................................40
Sequence of Operation .........................................................................................................................40
Continuous Blower ................................................................................................................................40
Safety Control Reset .............................................................................................................................40
Operation Errors ....................................................................................................................................41
Safety Controls ......................................................................................................................................41
Random Start ........................................................................................................................................42
Compressor Protection ..........................................................................................................................42
Microprocessor Control Unit Flash Codes .............................................................................................42
Communication ....................................................................................................................................42
