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COPYRIGHT © 1997-2017 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 insure 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.

Radome Environmental Control Unit

With Passport I/O Compact Digital Display

I

NSTALLATION

, O

PERATION

 & M

AINTENANCE

 M

ANUAL

Dometic Corporation
Rev. 20170601
L-2283 English
Part Number 297200038

Содержание Radome ECU

Страница 1: ...ic Corporation Every precaution has been taken in the preparation of this manual to insure 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 Radome Environmental Control Unit With Passport I O Compact Digital Display INSTALLATION OPERATION MA...

Страница 2: ... 4 Air Sensor 4 Fan Button 4 Power 4 MODES OF OPERATION 5 Off Mode 5 On Mode 5 Cool Mode 5 Heat Mode 5 Automatic Mode 5 Moisture Mode 5 Fan Modes 5 Automatic Fan Mode 5 Manual Fan Mode 5 Fan Only Mode 5 Cycled or Continuous Fan Operation 5 Program Mode 5 Important Programming Notes To Installer and End User 6 Using Program Mode 6 Programming 7 Programmable Parameters 7 OPERATION 10 TROUBLESHOOTING...

Страница 3: ...e packing list to ensure all cartons were received Move units in the normal up orientation as indicated by the arrows on each carton Examine cartons for shipping damage removing the units from the cartons if necessary If the unit is damaged the carrier should make the proper notation on the delivery receipt acknowledging the damage HOW IT WORKS The Radome ECU consists of four main components and a...

Страница 4: ...perates with compressed refrigerant at high pressures Proper care must be taken during installation operation and servicing to prevent injury or loss of life due to improper procedures DANGER This equipment is not ignition protected per CFR 183 410 and may not be installed in areas that may be exposed to flammable gases Do not install in spaces containing gasoline engines tanks LPG CPG cylinders r...

Страница 5: ... ducting is taught secure and as straight as possible to minimize bends Use insulated ducting to reduce heat gain to dome 4 Make electrical connections as described in Electrical below 5 Position the Passport I O Compact digital display inside the dome in a location that will sense dome temperature To avoid short cycling do not place near the supply air stream into dome 6 Use a diverter to positio...

Страница 6: ... Up or Down button The Radome ECU set point is 85 F AIR SENSOR Dome temperature is detected by the air sensor on the face plate FAN BUTTON Not used on Radome ECU POWER Press the Power button once to engage the system The display is blank when the system is off and indicates current room temperature when the system is on Figure 1 Passport I O Compact Display Panel and Indicators Table 1 Passport I ...

Страница 7: ...ome temperature must exceed the set point by at least 4 F 2 2 C in order for the system to switch from heating to cooling This behavior prevents small temperature overshoots from causing the system to switch between heating and cooling when it is not necessary To make the temperature differential between cooling and heating larger see See P 23 Auto Mode Heat Differential on page 9 MOISTURE MODE No...

Страница 8: ...P 1 parameter setting appear in the display The control is now in the Program Mode If no programming is attempted for one minute the control exits Program Mode and returns to Off Mode Exiting Program Mode Press the Power button once to exit Program Mode and return to Off Mode Or do not attempt any programming for 50 seconds then the control exits Program Mode and returns to Off Mode Any programmin...

Страница 9: ...U P 5 Temperature Calibration This feature calibrates the ambient sensor within a range of 10 F Adjust this parameter to display the correct room temperature reading Note that setting increments are in F even when the control is set to display C P 6 Failsafe Level To protect the equipment certain fault conditions trigger a lockout The control shuts down and will not restart until the fault is repa...

Страница 10: ...ut conditions If this low voltage condition occurs the fault code LAC appears in the LED display The fault will continue until the AC input voltage rises above the specified setting at which time the LAC fault code clears automatically and the cooling or heating cycle will commence After the compressor is started the low voltage monitor will not interfere with operation and the LAC fault will not ...

Страница 11: ...ferential Available only in software revision A25 and newer This parameter creates a larger temperature differential between cooling and heating operation in Automatic Mode It is adjustable between 4 F and 40 F and is OFF by default Typically in Automatic Mode with P 23 OFF the unit will maintain a single set point only switching between cooling and heating when a 4 F 2 2 C change in temperature o...

Страница 12: ...g or Electric Heat Only Option Installed nor nor Reverse Cycle Heating ELE Electric Heater Installed P 16 Fan Motor Type Split Capacitor or Shaded Pole SC SC Split Capacitor Fan Motor SP Shaded Pole Fan Motor P 17 Reset Memorized Programming Defaults nor rST Reset Defaults nor Normal P 18 Reserved for future use P 19 Reserved for future use P 20 Air Filter Cleaning Replacement Timer Setting x10 ho...

Страница 13: ...ove reasons Compressor needs to cool down Turn system off for a while it may take up to three hours to reset thermal overload System runs continuously 1 Set point temperature is set too low for cooling Raise set point to 85 F 2 Porthole or hatches open Close all port holes and hatches Passport I O Compact display panel not lit 8 pin display cable plugs are not making contact unplugged dirty bent o...

Страница 14: ...at set point is too low Raise to 85 F 2 Evaporator blower is not running Check to confirm Troubleshoot if necessary 3 Low pressure switch is open due to loss of refrigerant Check air conditioning unit for refrigerant oil leakage call service technician ASF is displayed Air Sensor Failure 1 Indicates failed face plate air sensor alternate air sensor or display cable Unplug alternate air sensor if i...

Страница 15: ...Radome Environmental Control Unit DIAGRAMS L 2283 ENGLISH 13 Figure 2 HSA 16K C CZ CZ50 Self Contained Wiring Diagram for units shipped after August 1 2009 ...

Страница 16: ...DIAGRAMS Radome Environmental Control Unit 14 L 2283 ENGLISH Figure 3 HSA 16K C CZ CZ50 Self Contained Wiring Diagram for units shipped prior to August 1 2009 ...

Страница 17: ...E PROPERTY OF DOMETIC CORPORATION ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF DOMETIC CORPORATION IS PROHIBITED PROPRIETARY AND CONFIDENTIAL DIMENSIONS ARE IN INCHES TOLERANCES FRACTIONAL 1 32 ANGULAR BEND 1 TWO PLACE DECIMAL THREE PLACE DECIMAL N A DRAWN CHECKED DATE NAME DESCRIPTION SIZE B DWG NO RE WEIGHT SCALE 1 8 UNLESS OTHERWISE SPECIFIED 0 DRR RAP 6 19 09 6 19 0...

Страница 18: ...DIAGRAMS Radome Environmental Control Unit 16 L 2283 ENGLISH TEMPLATE FOR INTERIOR UNIT Figure 5 Mounting Template For Interior Self Contained System ...

Страница 19: ...Radome Environmental Control Unit DIAGRAMS L 2283 ENGLISH 17 MOUNTING DIAGRAMS Figure 6 Mounting Diagram For Self Contained System ...

Страница 20: ...DIAGRAMS Radome Environmental Control Unit 18 L 2283 ENGLISH Figure 7 Mounting Diagram For System With Existing Hatchway Covers ...

Страница 21: ...NOTES ...

Страница 22: ...NOTES ...

Страница 23: ...NOTES ...

Страница 24: ...s 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 INTERNATIONAL SALES AND SERVICE Europe and the Middle East 44 0 870 330 6101 For all other areas visit our website to find your nearest distributor dometic com L 2283 06 01 2017 ...

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