Operation Manual

ManualsBrandsDometic ManualsAir ConditioningElite Control DX systems

No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means

electronic, mechanical, photocopying, recording or otherwise without prior written consent by Dometic Marine. Every precaution has

been taken in the preparation of this manual to ensure its accuracy. However, Dometic Marine assumes no responsibility for errors

and omission. Neither is any liability assumed for damages resulting from the use of this product and information contained herein.

Elite Control (for DX systems)

OPERATIONS MANUAL

Dometic Marine

Rev. 20091102

L-2230 English

Summary of content (24 pages)

PAGE 1
Elite Control (for DX systems) OPERATIONS MANUAL Dometic Marine Rev. 20091102 L-2230 English COPYRIGHT © 2007-2009 Dometic Marine. All Rights Reserved. No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means electronic, mechanical, photocopying, recording or otherwise without prior written consent by Dometic Marine. Every precaution has been taken in the preparation of this manual to ensure its accuracy.
PAGE 2
Table of Contents INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 READ THIS MANUAL BEFORE PROCEEDING . . . . . . . . . 1 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Optional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 DESCRIPTION OF CONTROL . . . . . . . . . . . . . . . . . . . . Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 3
Elite Control Operations Manual Read This Manual Before Proceeding INTRODUCTION The Elite Control is a microcontroller-based unit designed for use with direct expansion, reverse-cycle air conditioning systems. READ THIS MANUAL BEFORE PROCEEDING Read this manual completely before you proceed with the installation and operation of the Elite. If you have questions or require assistance with your Elite control, contact the Dometic Marine Service Department at +1 954-973-2477.
PAGE 4
Description of Control Elite Control Operations Manual FAN Fan-speed operation is automatic, allowing fan speed to decrease as set-point temperature is approached in the Cool Mode. The fan operates at low speed when set point is satisfied. Normally the automatic fan speed operation is reversed in the Heating Mode, however, you can program the fan to operate the same as in the Cooling Mode. Press the Fan button to select manual fan speeds if you want to override automatic operation.
PAGE 5
Important Programming Notes To Installer And End User Elite Control Operations Manual IMPORTANT PROGRAMMING NOTES TO INSTALLER AND END USER 1. If your air conditioning unit is Cool Only (if it does not have a reversing valve), then you MUST select Cool Only Mode. DO NOT select Automatic Mode for a Cool Only unit. If Automatic Mode is selected and the thermostat calls for heat, the compressor will run.
PAGE 6
Mounting the Display Elite Control Operations Manual IMPORTANT The system’s air sensor is located in the control’s display panel, therefore the display MUST be located on an interior wall at eye level. It must NOT be located in direct sunlight or inside a cabinet. If these conditions cannot be met, you must purchase the Optional Remote Air Sensor and install it in the return-air stream. MOUNTING THE DISPLAY 1. Make the cut-out for the display panel. Cut-out size is 3-5/16” (8.
PAGE 7
Elite Control Operations Manual Modes of Operation • Manual Fan Indicator - One of three Manual Fan Indicator LEDs lights when a manual fan speed (high, medium, or low) is selected. • Auto Fan Indicator - The Auto Fan LED lights when the automatic fan speed is selected. • Digital Display - The 3-digit, 7-segment digital display shows inside air temperature when the control is on. It displays the set point when either the Up or Down button is pressed.
PAGE 8
Modes of Operation Elite Control Operations Manual AUTOMATIC MODE When Automatic Mode is selected, the system provides both heating and cooling as required. The Auto Mode LED is lit as well as either the Heat Mode LED or Cool Mode LED, depending on which mode is in use. Cabin temperature in a given mode is maintained within 2°F (1.1°C) of set point by default. (See “P-23: Set Point Temperature Differential” on page 10 for instructions on how to reduce this variation to 1°F [0.55°C].
PAGE 9
Elite Control Operations Manual Using Program Mode for speed three. Press and release a fourth time to turn off the fan. Turning on the control will revert the fan to the Automatic Mode or the last selected manual fan setting. Cycled or Continuous Fan Operation The fan can be set to run continuously whenever the system is turned on, or it can be set to cycle on and off in conjunction with the cooling or heating cycles. To change this fan operational setting, press and hold the Fan button for five seconds.
PAGE 10
Programming Elite Control Operations Manual NOTE If you have any reason to contact Dometic about the system or programming the control, you must have the software identification number and air conditioning unit serial number available. The serial number may be found on the dataplate label. PROGRAMMING PROGRAMMING PROCEDURE 1. Enter Program Mode. (See “Entering Program Mode” on page 7 for details.) 2. Press and release the Mode button to increment from one program parameter to the next.
PAGE 11
Elite Control Operations Manual Programming delay, the system will be restarted. As with all faults, system lockout (sustained shutdown) will occur after the fourth consecutive LAC fault. See “Failsafe and Fault-Handling Codes” on page 13 for further details on system lockout. P-7: De-Icing Cycle The de-icing cycle prevents ice build up on the evaporator coil during extended periods of cooling operation.
PAGE 12
Programming Elite Control Operations Manual • For software revision A13 and older: When this parameter is programmed for electric heat, only the electric-heat relay located toward the middle of the circuit board is energized during a heating cycle (see “Sample Wiring Diagram” on page 21). • For software revision A15 and newer: When programmed for electric heat, both the electric-heater relay and the valve relay are energized.
PAGE 13
Elite Control Operations Manual Programming of 2°F (1.1°C) is adequate for maintaining a comfortable temperature variation around the desired set point. If you desire less variation in temperature, set this parameter to 1°F (0.55°C). P-24: Moisture Mode Minimum Temperature (Available only in software revision B23 and newer.) This parameter is the minimum room temperature in Fahrenheit for which Moisture Mode will run a cooling cycle to remove moisture from the air.
PAGE 14
Programming Elite Control Operations Manual Table 2: Programmable Parameters - Ranges and Factory Defaults Parameter Number Factory Default Description Parameter Range P-1 High Fan-Speed Limit 95 56 - 95 P-2 Low Fan-Speed Limit 50 30 - 75 P-3 Compressor Staging Time Delay 15 5 - 135 seconds P-4 Temperature-Sensor Calibration Ambient temp Ambient plus or minus 10° F P-5 Failsafe Level 3 0 = Minimal Protection 1 = Continuous No Display 2 = Continuous With Display 3 = Four Failures Res
PAGE 15
Elite Control Operations Manual FAILSAFE AND Failsafe and Fault-Handling Codes FAULT-HANDLING CODES To protect the equipment, certain fault conditions trigger a lockout: The control shuts down and will not restart until the fault is repaired. The lockout condition depends on a combination of the failsafe level you have programmed as well as the type of fault detected. One of the following fault codes displays when a fault is detected: • ASF – Indicates air sensor failure.
PAGE 16
General Troubleshooting Elite Control Operations Manual TROUBLESHOOTING GENERAL TROUBLESHOOTING See also “Digital-Controls Troubleshooting” on page 15. Table 3: General Troubleshooting PROBLEM POSSIBLE REASON/SOLUTION System will not start. 1. Air conditioner circuit breaker is off. Turn circuit breaker on at ship’s panel. 2. Digital control is not turned on. Turn on the control. 3. Wrong wiring at terminal strip. Check wiring diagram; correct if necessary. 4. Input-line voltage is insufficient.
PAGE 17
Digital-Controls Troubleshooting Elite Control Operations Manual Table 3: General Troubleshooting (continued) PROBLEM POSSIBLE REASON/SOLUTION Low airflow. 1. Airflow is blocked. Remove any obstructions in return-air stream. Clean return-air filter and grille. Check for crushed or restricted ducting; ducting must be as straight, smooth and taut as possible. 2. Fan speed is set to Manual Low.
PAGE 18
Digital-Controls Troubleshooting Elite Control Operations Manual Table 4: Digital-Controls Troubleshooting (continued) PROBLEM POSSIBLE REASON/SOLUTION No cooling or heating. 1. Digital control programmed for heat or cool only. Press Mode button to achieve desired mode. 2. "HPF" or "LPF" is displayed. See below. No heat. Digital Control may be set to Electric Heat, not Reverse Cycle. Reprogram parameter P-13. Unit switches to heat while in Cool Mode. De-icing feature enabled due to coil icing up.
PAGE 19
Elite Control Operations Manual System Components MAINTENANCE SYSTEM COMPONENTS REVERSING VALVE Reverse-cycle (cooling and heating) units have a reversing valve that must be energized periodically to keep the internal parts moving freely. To do this, switch the air conditioner unit into Heat Mode for a few seconds once a month. SEAWATER STRAINER Ensure your pump receives adequate seawater flow by regularly cleaning the strainer basket.
PAGE 20
Automated Factory Self-Test Program • Elite Control Operations Manual Use pressurized air injected at the seawater intake fitting to force system water through the seawater overboard discharge fitting, thus expelling any trapped water from the system. In addition, since the seawater pump utilizes a magnetically driven impeller, remove the impeller from the wet-end assembly, wipe with an alcohol solution, and store in a warm, dry area until commissioning takes place.
PAGE 21
Elite Control Operations Manual Service Utilities • To view the service history log, disconnect AC power then reconnect it and immediately press the Mode button while all LEDs are illuminated (“888”). The display flashes the most recently detected fault, followed by the event chronology number. To view other detected events, press the Up button or the Down buttons. • To clear the service history log, simultaneously press the Power and Down buttons.
PAGE 22
Operational Elite Control Operations Manual SPECIFICATIONS OPERATIONAL Set Point Operating Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°F to 85°F (18.3°C to 29.4°C) Ambient Temperature Operating Range Displayed . . . . . . . . . . . . . . 5°F to 150°F (-15°C to 65.6°C) Sensor Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .± 2°F @ 77°F (±1.1°C @ 25°C) Low Voltage Limit 115 Volt Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 23
Elite Control Operations Manual Sample Wiring Diagram DIAGRAMS SAMPLE WIRING DIAGRAM IMPORTANT This is a sample diagram. Wire colors may vary. See unit’s specific diagram located in electrical box or in air conditioning unit’s installation manual. Turn power off before opening electrical box.
PAGE 24
Dometic Marine Rev. 20091102 L-2230 English www.dometicusa.