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Passport I/O Digital Control
(for Direct Expansion Systems)
O
M
PERATIONS
ANUAL
Passport I/O Compact
Passport I/O (legacy model)
Dometic Corporation
Rev. 20170816
L-2231 English
Part Number: 297200023
COPYRIGHT © 2007-2017 Dometic Corporation. 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 Corporation. Every precaution
has been taken in the preparation of this manual to ensure its accuracy. However, Dometic Corporation 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.
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Table of Contents
Troubleshooting
Related Manuals for Dometic Passport I/O Compact
Summary of Contents for Dometic Passport I/O Compact
- Page 1 Dometic Corporation. Every precaution has been taken in the preparation of this manual to ensure its accuracy. However, Dometic Corporation assumes no responsibility for errors and omission. Neither is any liability assumed for damages resulting from the use of this product and information contained...
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Page 2: Table Of Contents
Table of Contents INTRODUCTION ....... 1 ......7 ROGRAMMING Programming procedure . -
Page 3: Introduction
Read this manual completely before you proceed with the installation and operation of the Passport I/O. If you have questions or require assistance with your Passport I/O, call your dealer or the Dometic Marine Service Department at +1 954-973-2477. The Passport I/O is covered under the Owner’s Limited Warranty Policy. Incorrect installation, neglect and system abuse are not covered under the Owner’s Limited Warranty Policy. - Page 4 Passport I/O Control Operations Manual Description of Control Figure 1: Passport I/O Display Panel and Indicators Compact model Legacy model Table 1: Passport I/O Display - Diagram Legend Cool Mode indicator Temperature sensor Fan indicator Down button - Lower temperature set point Heat Mode indicator Fan button Digital display...
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Page 5: Important Programmingn
Passport I/O Control Operations Manual Important Programming Notes To Installer and End User MPORTANT ROGRAMMING OTES NSTALLER AND If your air conditioning unit is Cool Only (if it does not have a reversing valve), then you MUST program Cool Only Mode into parameter P-1 (factory default is Automatic Mode). -
Page 6: Mounting The Display
Passport I/O Control Operations Manual Mounting the Display above or below a supply-air or return-air grille. Do not mount the display behind a door, in a corner, under a stairwell or any place where there is no freely circulating air. If you can not mount the display in a suitable location for accurately sensing room temperature, install the optional remote air sensor. -
Page 7: Button Functions - Single
Passport I/O Control Operations Manual Modes of Operation codes. When the control resumes operation after a power interruption, "888" appears in the display and all the LEDs light for one second. This is normal Power-On Reset operation. UTTON UNCTIONS INGLE •... -
Page 8: Cool Mode
Passport I/O Control Operations Manual Using Program Mode When Cool Mode is selected, the Cool LED is lit and the cooling system operates as required. If the ambient temperature drops below the set point, the system will not automatically switch to the Heat Mode. When Heat Mode is selected, the Heat LED is lit and the heating system operates as required. -
Page 9: Changing Parameters
Off Mode. 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. - Page 10 Passport I/O Control Operations Manual Programming P-3: Low Fan Limit Values for the lower fan-speed limit range from 30 to 75. Set a higher number to increase the fan speed or a lower number to slow the fan speed. IMPORTANT Once the high and low fan speed limits are set, the unit automatically readjusts the remaining speeds to produce six equally spaced fan speeds in both Automatic and Manual Fan Modes.
- Page 11 Please consult with Dometic Customer Service or with an authorized service technician for assistance.
- Page 12 The parameter entered represents that number times 10 hours. Select the number of operating hours until the filter reminder appears. Parameter choices are between 10 (100 hours) and 250 (2500 hours). Dometic recommends that you check the air filter at least every 500 hours of operation. The default setting is off, designated with “00”.
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Page 13: Ailsafe And
Passport I/O Control Operations Manual Failsafe and Fault-Handling Codes Table 2: Programmable Parameters - Ranges and Factory Defaults (continued) Parameter Factory Custom Number Description Default Default Parameter Range P-11 Display Temperatures in F = Fahrenheit Displayed Fahrenheit or Celsius C = Celsius Displayed P-12 Cycle Pump With Compressor OFF = Cycle With Compressor... -
Page 14: Failsafe Level 2
Passport I/O Control Operations Manual Quick-Start Operations Checklist AILSAFE EVEL This level provides the failsafe actions of levels 0 and 1, plus all faults are displayed. The system shuts down for 2 minutes or until the fault is cleared, whichever is longer. The system restarts when the fault is cleared. AILSAFE EVEL This level provides the failsafe actions of levels 0, 1, and 2, plus the system will lockout after four consecutive HPF or LPF... - Page 15 Passport I/O Control Operations Manual General Troubleshooting Table 3: General Troubleshooting (continued) PROBLEM POSSIBLE REASON/SOLUTION No cooling or heating. 1. Temperature set point is satisfied. Lower or raise set point. 2. Obstructed seawater flow. Clean seawater strainer. Check for obstructions at speed scoop thru-hull inlet.
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Page 16: Digital-Controls Troubleshooting
Passport I/O Control Operations Manual Digital-Controls Troubleshooting Table 3: General Troubleshooting (continued) PROBLEM POSSIBLE REASON/SOLUTION Water coil is iced in the Seawater temperature is below 40°F (4.4°C). Shut down system to prevent damage to Heating Mode. condenser. Allow coil to defrost. System runs continuously. -
Page 17: Maintenance
Passport I/O Control Operations Manual System Components Table 4: Digital-Controls Troubleshooting (continued) PROBLEM POSSIBLE REASON/SOLUTION "ASF" is displayed. 1. Indicates failed face plate air sensor, alternate air sensor or display cable. (Air Sensor Failure) Unplug alternate air sensor if installed or plug in alternate air sensor if not installed. Try another display cable. -
Page 18: Return-Air Filter
Passport I/O Control Operations Manual Automated Factory Self-Test Program Use chemical-resistant hoses (white PVC 5/8" I.D., etc.) to connect the inlet of the condenser coil to the outlet of a chemical resistant, submersible pump (P-500 pump, etc.) and let the hose connected to the coil outlet flow freely into the container mentioned below. -
Page 19: Service Utilities
Passport I/O Control Operations Manual Service Utilities Turn on Heat Mode and supply heating for ten minutes. Stop heating and run only the fan for five minutes. Switch to Cool Mode and continue cooling for ten minutes. Stop cooling and run only the fan for five minutes. Return to step one and repeat procedure until interrupted. -
Page 20: Specifications
Passport I/O Control Operations Manual Operational SPECIFICATIONS PERATIONAL Set Point Operating Range....... . 65°F to 85°F (18.3°C to 29.4°C) Ambient Temperature Operating Range Displayed . -
Page 21: Sample Wiring Diagrams
Passport I/O Control Operations Manual System Inputs SAMPLE WIRING DIAGRAMS IMPORTANT This is a sample diagram. Wire colors may vary. See unit’s specific diagram located in electrical box. Turn power off before opening electrical box. Figure 2: Sample Passport I/O Digital Control Wiring Diagram L-2231 ENGLISH... - Page 22 Passport I/O Control Operations Manual System Inputs Figure 3: Sample U-Board Passport I/O Digital Control Wiring Diagram See Parameter P-15 for more information on Electric Heat. L-2231 ENGLISH...
- Page 23 NOTES...
- Page 24 DOMETIC MARINE DIVISION 2000 N. Andrews Ave. Pompano Beach, FL 33069 USA +1 954-973-2477 +1 954-979-4414 Email MarineSales@dometic.com 24/7 TECH SUPPORT FOR UNITED STATES AND CANADA 8:00 AM to 5:00 PM Eastern Time: +1 800-542-2477 After hours and weekends: +1 888-440-4494...
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