Table of Contents
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Table of Contents
Drawings and Diagrams ................................................................... 4
Air Conditioner Basics ...................................................................... 4
The Effect of Seawater Temperature ................................................ 4
The Modulating System .................................................................... 4
How it Works in General ................................................................... 4
How it Works in Detail ...................................................................... 5
Subsystems ..................................................................................... 6
Condensate Drain ............................................................................ 6
Installation Procedures ..................................................................... 7
Electrical System ............................................................................. 7
Voltage and Frequency ..................................................................... 7
Selecting the Site ............................................................................. 7
Site Location Checklist ..................................................................... 7
Mounting the Condensing Unit ......................................................... 7
Importance of a Self-Draining System .............................................. 8
Through-Hull Inlet Fitting .................................................................. 8
Seacock ........................................................................................... 8
Strainer ............................................................................................. 8
Seawater Pump ................................................................................ 8
Manifolds .......................................................................................... 8
Overboard Discharge ....................................................................... 9
Seawater Piping ............................................................................... 9
Bonding ............................................................................................ 9
Selecting the Site ............................................................................. 9
Site Location Checklist ..................................................................... 9
Mounting the Cooling/Heating Unit ................................................. 10
Installing the Refrigerant Tubing ...................................................... 10
Return Air Grill ............................................................................... 10
Ducts .............................................................................................. 10
Ducting Guidelines ......................................................................... 10
Discharge Air Grill .......................................................................... 11
SMX II Control System ................................................................... 11
Installing the Power/Logic Box ........................................................ 11
Installing the SMXir Keypad/Display ............................................... 11
SMX Interconnect Cable ................................................................ 11
Installing the Temperature Sensor .................................................. 12
Location .......................................................................................... 12
Operation ....................................................................................... 12
Voltage and Triggers ....................................................................... 12
General Electrical Notes ................................................................ 12
Three Phase Power ........................................................................ 13
Inspecting the Seawater Cooling System ....................................... 13
Inspecting the Condensing Unit ...................................................... 13
Inspecting the Cooling/Heating Unit ............................................... 13
Inspecting the Refrigerant Connections .......................................... 14
Inspecting the Air Distribution System ............................................ 14
Inspecting the Control and Electrical Wiring ................................... 14
Initial Charging, New System ......................................................... 14
Adjusting the Charge ...................................................................... 15
Removing Refrigerant from the System .......................................... 16
Initial Start Up ................................................................................. 16
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The SMX Keypad/Display ............................................................... 17
The SMXir Remote Control ............................................................ 18
Power On ....................................................................................... 19
System Off ..................................................................................... 19
Selecting Setpoint .......................................................................... 19
Displaying Temperature .................................................................. 19
Cool Mode ...................................................................................... 19
Heat Mode ...................................................................................... 19
Automatic Changeover ................................................................... 19
Manual Fan Speed Control ............................................................. 19
Automatic Fan Speed Control ......................................................... 19
Adjusting Brightness ...................................................................... 19
Using The Humidity Control Routine ............................................... 19
Custom Programming Record ........................................................ 20
Programming Summary Table ........................................................ 21
Factory Memory Reset ................................................................... 21
Auxiliary (Electric) Heat .................................................................. 21
Fahrenheit/Celsius Display ............................................................. 21
Setpoint Differential ........................................................................ 21
Fan Response Differential .............................................................. 21
Continuous Or Intermittent Fan ...................................................... 22
Low Fan Speed Adjustment ............................................................ 22
High Fan Speed Adjustment ........................................................... 22
Temperature Calibration ................................................................. 22
Programming The Time Period ....................................................... 23
Programming The Dehumidification Time ....................................... 23
Recommended Humidity Control Settings ...................................... 23
Software Error ................................................................................ 23
Determining Your Software Version Number ................................... 24
Condensate Drains ......................................................................... 24
Air Filters ........................................................................................ 24
Seawater Connections ................................................................... 24
Seawater Pump .............................................................................. 24
Seawater Strainer ........................................................................... 24
Refrigerant Gas .............................................................................. 24
Winterizing the System .................................................................. 24
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