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English
L-2086
Table of Contents
Copyright 2004 Dometic Corporation, All Rights Reserved - Every precaution has been taken in the preparation of this manual to insure its accuracy. However, Dometic Corporation assumes no
responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of this product and information contained herein.
DX Remote & Self-Contained A/C Systems
• Introduction
Drawings and Diagrams ..................................................................4
Air Conditioning Basics ....................................................................4
The Effect of Seawater Temperature ...............................................4
Types of DX Systems .......................................................................4
Subsystems ....................................................................................5
System Controls ..............................................................................5
Condensate Drain ............................................................................5
DX Remote & Self-Contained A/C Systems
• Installation
Installation Procedures ...................................................................6
Electrical System .............................................................................6
Installing The Self-Contained A/C Unit
6
Selecting the Site .............................................................................6
Site Location Checklist ....................................................................7
Mounting the Self-Contained Unit ....................................................7
Installing The Condensing Unit
7
Selecting the Site ............................................................................7
Site Location Checklist ....................................................................7
Mounting the Remote Condensing Unit ...........................................7
Installing The Cooling/Heating Unit
8
Selecting the Site ............................................................................8
Site Location Checklist ....................................................................8
Mounting the Cooling/Heating Unit ..................................................8
Installing the Refrigerant Tubing ......................................................8
Installing the Seawater Cooling System
9
Importance of a Self-Draining System .............................................9
Through-Hull Inlet Fitting .................................................................9
Seacock ...........................................................................................9
Strainer ............................................................................................9
Seawater Pump ...............................................................................9
Manifolds ....................................................................................... 10
Overboard Discharge ..................................................................... 10
Seawater Piping ............................................................................ 10
Bonding ......................................................................................... 10
Installing The Air Distribution System
10
Return Air Grill (RA Grills) ............................................................. 10
Ducts ............................................................................................. 10
Discharge Air Grill .......................................................................... 11
Installing the Control Unit
11
The SMX Control ......................................................................... 11
The Rotary Knob Switch Assembly ................................................ 11
Installing the Pump Relay
11
Location ......................................................................................... 11
Voltage and Triggers ...................................................................... 12
Electrical Connections
12
Three Phase Power ....................................................................... 12
Final Inspection
13
Inspecting the Seawater Cooling System ...................................... 13
Inspecting the Self Contained Unit ................................................ 13
Inspecting the Condensing Unit
(Remote Condensing Unit Systems Only) .................................. 13
Inspecting the Cooling/Heating Unit
(Remote Condensing Unit Systems Only) .................................. 13
Inspecting the Refrigerant Connections
(Remote Condensing Unit Systems Only) .................................. 13
Inspecting the Air Distribution System ........................................... 13
Inspecting the Control/Switch Assembly and Electrical Wiring ...... 13
Charging the System with Refrigerant
14
Charging a New System ................................................................ 14
Field Charging the System............................................................. 14
Removing Refrigerant from the System ......................................... 15
Initial Start Up
15
DX Remote & Self-Contained A/C Systems
• Operation
Operating Instructions - Rotary Controls
16
SA & SSA Models .......................................................................... 16
Operation Instructions - SMX Controls
16
SMX II/SMX Net Operation ............................................................ 16
Power On ....................................................................................... 16
System Off ..................................................................................... 16
Selecting Setpoint.......................................................................... 16
Displaying Temperature ................................................................. 16
Cool Mode ..................................................................................... 17
Heat Mode ..................................................................................... 17
Automatic Changeover ................................................................ 17
Manual Fan Speed Control ............................................................ 17
Automatic Fan Speed Control ....................................................... 17
Adjusting Brightness ...................................................................... 17
Using The Humidity Control Routine ........................................... 17
Anti-Ice Routine ............................................................................. 17
Owner Maintenance - Routine
18
Condensate Drains ........................................................................ 18
Air Filters ........................................................................................ 18
Seawater Connections ................................................................... 18
Seawater Pump ............................................................................. 18
Seawater Strainer .......................................................................... 18
Refrigerant Gas ............................................................................. 18
Winterizing the System .................................................................. 18
18
19
Trouble Shooting Limited
Descriptions of Figures
Summary of Contents for DX Remote & Self-Contained A/C
Page 2: ......
Page 23: ...23 L 2086 Fig 12 Plenum Configurations Fig 11 Duct and Grill Sizes Tables ...
Page 24: ...24 L 2086 Fig 13a Switch Dimensions and Templates ...
Page 25: ...25 L 2086 Fig 13b Switch Dimensions and Templates ...
Page 26: ...26 L 2086 Fig 14 SHR5 16 StowAway Wiring 082611 Fig 15 SH24C StowAway Wiring 080264 ...
Page 30: ...30 L 2086 Fig 22 R F24 72 3 Ph Cond Unit Wiring 082556 Fig 23 SA3 Z Switch Wiring ...
Page 31: ...31 L 2086 Fig 25 PR3X Pump Relay Wiring Fig 24 SA5 Z Switch Wiring ...
Page 32: ...32 L 2086 Fig 26 PR8X Pump Relay Wiring Fig 27 WFAH System Wiring 115V ...
Page 33: ...33 L 2086 Fig 28 WFAH System Wiring 230V Fig 29 WFAH System Wiring 230V w Aux Heat ...
Page 35: ...35 L 2086 Fig 32 R F Type System Wiring SA3 Z Switch 3Ph ...
Page 36: ...36 L 2086 Fig 33 Refrigerant Charging Curves R22 ...
Page 38: ...NOTES ...
Page 39: ...NOTES ...
