Dometic SMXir Description And Installation Manual

Dometic SMXir Description And Installation Manual

Dx modulating control system
Table of Contents

Advertisement

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

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SMXir and is the answer not in the manual?

Questions and answers

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