Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Dometic Manuals
Industrial Equipment
SMXir
Description and installation manual
Dometic SMXir Description And Installation Manual
Dx modulating control system
Hide thumbs
1
2
Table Of Contents
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
page
of
48
Go
/
48
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Modulating A/C Systems • Introduction
Drawings and Diagrams
Air Conditioner Basics
The Effect of Seawater Temperature
The Modulating System
How It Works in General
How It Works in Detail
Subsystems
Condensate Drain
Modulating A/C System • Installation
Installation Procedures
Electrical System
Voltage and Frequency
Installing the Condensing Unit
Selecting the Site
Site Location Checklist
Mounting the Condensing Unit
Installing the Seawater Cooling System
Importance of a Self-Draining System
Through-Hull Inlet Fitting
Seacock
Strainer
Seawater Pump
Manifolds
Overboard Discharge
Seawater Piping
Bonding
Installing the Cooling/Heating Unit
Selecting the Site
Site Location Checklist
Mounting the Cooling/Heating Unit
Installing the Refrigerant Tubing
Installing the Air Distribution System
Return Air Grill
Ducts
Ducting Guidelines
Discharge Air Grill
Installing the Cooling Unit Control
SMX II Control System
Installing the Power/Logic Box
Installing the Smxir Keypad/Display
SMX Interconnect Cable
Installing the Temperature Sensor
Installing the Pump Relay
Location
Operation
Voltage and Triggers
Electrical Connections
General Electrical Notes
Three Phase Power
Final Inspection
Inspecting the Seawater Cooling System
Inspecting the Condensing Unit
Inspecting the Cooling/Heating Unit
Inspecting the Refrigerant Connections
Inspecting the Air Distribution System
Inspecting the Control and Electrical Wiring
Charging the System with Refrigerant
Initial Charging, New System
Adjusting the Charge
Removing Refrigerant from the System
Initial Start up
Modulating A/C Systems • Operation
Operating Instructions - SMX II Control Systems
The SMX Keypad/Display
The Smxir Remote Control
Basic Operation Power on
System off
Selecting Setpoint
Displaying Temperature
Cool Mode
Heat Mode
Automatic Changeover
Manual Fan Speed Control
Automatic Fan Speed Control
Adjusting Brightness
Using the Humidity Control Routine
Custom Programming Record
Programming the SMX II System
Programming Summary Table
Factory Memory Reset
Auxiliary (Electric) Heat
Fahrenheit/Celsius Display
Setpoint Differential
Fan Response Differential
Continuous or Intermittent Fan
Low Fan Speed Adjustment
High Fan Speed Adjustment
Temperature Calibration
Humidity Control Program
Programming the Time Period
Programming the Dehumidification Time
Recommended Humidity Control Settings
Fault Shutdowns and Error Messages
Software Error
Determining Your Software Version Number
Compressor Time Delay
Owner Maintenance Condensate Drains
Air Filters
Seawater Connections
Seawater Pump
Seawater Strainer
Refrigerant Gas
Winterizing the System
Trouble Shooting
Limited Warranty Periods
Owner's Limited Warranty
Description of Figures
Cruisair Worldwide Service Dealer Locator
Advertisement
Quick Links
1
Drawings and Diagrams
2
The Smx Keypad/Display
3
Programming the Smx II System
Download this manual
DX Modulating A/C System
INSTALLATION • OPERATION
For DX Modulating SMX II Control Systems using
SMXII and SMXir displays
Revised: 08-29-06
L-0952
English
Part Number: LP-28
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the SMXir and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Dometic SMXir
Industrial Equipment Dometic SMX II Description And Installation Manual
Dx modulating control system (48 pages)
Industrial Equipment Dometic SeasStar Power Assist Installation And User Manual
Hydraulic power assist (52 pages)
Industrial Equipment Dometic D+ Assembly, Installation And Operating Manual
Active simulator (72 pages)
Industrial Equipment Dometic SEASTAR POWER ASSIST PA1200-2HP Installation And User Manual
Hydraulic power assist for seastar steering systems (52 pages)
Summarization of Contents
Modulating A/C Systems Introduction
Drawings and Diagrams
References figures throughout the manual; some installation sheets may supersede.
Air Conditioner Basics
Explains heat movement in DX AC systems and its effect on comfort and humidity control.
Effect of Seawater Temperature
Details how seawater temperature impacts system efficiency and potential high-pressure shutdowns.
The Modulating System
Introduces the Cruisair modulating system for independent zone control and optional heating.
System Operation Overview
Describes system components: condensing unit, evaporators, microprocessor control, and refrigerant flow.
Cooling/Heating Unit Operation
Describes independent units, their operation modes (cool/heat), and fan control.
SMX II System Controls
Explains SMX II microprocessor controls for comfort, protection, and monitoring.
Modulating A/C System Installation
Installation Procedures
Covers installation steps for the Cruisair Modulation System, including electrical and SMXir control setup.
Electrical System and Connections
Details power supply, voltage, frequency, grounding, bonding, and wiring practices.
Condensing Unit Installation
Covers site selection, mounting, and ignition protection warnings for the condensing unit.
Seawater System Installation
Guides installation of the seawater system, emphasizing self-draining, piping, and bonding.
Cooling/Heating Unit Installation
Covers site selection, mounting, and safety for the cooling/heating unit, including condensate drains.
Refrigerant Tubing Installation
Instructions and cautions for installing refrigerant tubing, including bending and flare connections.
Air Distribution System Installation
Guidance on installing ducting, grills, and plenums for the air distribution system.
SMX II Control System Installation
Details installation of SMX II control components: Power/Logic box, Keypad/Display, and Temperature Sensor.
Pump Relay Installation
Instructions for installing the pump relay for systems with a single seawater pump serving multiple units.
Final Inspection and Charging
Checklists for final inspection and procedures for charging the system with refrigerant.
Charge Adjustment and Start Up
Instructions for final charge adjustment, superheat measurement, and initial system startup.
Modulating A/C Systems Operation
SMX Keypad/Display Overview
Describes the SMXir and SMX II keypad/displays, their layout, and button functions.
Basic Operation Modes
Covers powering on, turning off, selecting setpoint, displaying temperature, and basic modes.
Fan Control Modes
Explains manual and automatic fan speed control, including SLOW-FAST keys.
Humidity Control Program
Details the SMX dehumidification program, its stages, and factory default settings.
Programming the SMX II System
Guide to programming SMX II system settings for optimal performance.
Fault Shutdowns and Error Messages
Information on the SMX control's self-check routine and troubleshooting error messages.
Owner Maintenance Procedures
Routine maintenance tasks: condensate drains, air filters, and seawater connections.
Troubleshooting Common Issues
Lists common problems and their possible solutions for quick diagnosis.
Limited Warranty Periods
DX and Modulating Systems Warranty
Details warranty periods for new DX and Modulating system installations and retrofits.
Tempered Water Systems Warranty
Warranty periods for Tempered Water systems, including pump coverage notes.
Other Product Warranties
Covers warranties for Refrigerators/Freezers/Fish Boxes, Ice Makers, and Sentry Battery Chargers.
Replacement Parts Warranty
Details warranty periods for replacement parts and components, including compressors.
Owner's Limited Warranty
Limited Warranty Coverage
Details what the limited warranty covers, including replacement or repair of defective components.
Warranty Exclusions
Lists exclusions from the warranty, such as improper installation, abuse, or non-Dometic parts.
Warranty Period Reference
Refers to the 'Limited Warranty Periods' document for specific coverage durations.
Obtaining Service and Safety
Explains warranty procedures and general safety warnings for product use and installation.
Cruisair Worldwide Service Dealer Locator
USA Domestic Dealers
Lists USA domestic service dealers by state, including contact information.
Canada and Caribbean Dealers
Lists service dealers in Canada and various Caribbean islands.
European and African Dealers
Lists service dealers in European countries and African regions.
Asian, Pacific, and Americas Dealers
Lists service dealers in Asian, Pacific, and Americas regions outside USA/Canada.
Table of Contents
Save PDF
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the SMXir and is the answer not in the manual?
Questions and answers