DENSO AUTOMOTIVE SYSTEMS AUSTRALIA PTY LTD AL00Z00004E OWNERS MANUAL Published: October 2012 REV #1: May 2013 Width: 110 mm X Length: 210 mm Denso Reply Paid 88460 CROYDON SOUTH VIC 3136 Delivery Address: 2 -46 Merrindale Dr CROYDON SOUTH VIC 3136 Note: All components must be printed. The artwork components must not be re-scaled. Re-scaling will create processing problems.
Operation 1 TABLE OF CONTENTS 1. Foreword 2 2. Inventory 2 3. General Information 3 4. Controls 5 5. Operation 8 6. Maintenance 10 7. Technical Data 11 8. Trouble Shooting 13 © DENSO AUTOMOTIVE SYSTEMS AUSTRALIA PTY. LTD. May 2013 All rights reserved. This book may not be reproduced or copied, in whole or in part, without the written permission of the publisher. DENSO reserves the rights to make changes without prior notice.
Operation 2 1. FOREWORD DENSO’s RT1 air-conditioning unit is designed for installation on the roof top of fixed roof caravans and motor homes. Before using the unit, please take time to read this manual in detail, and follow the instructions on how to operate this product. Keep this manual in your caravan, and should you ever decide to sell your caravan, please make sure to pass this manual on to the next owner. 1.
Operation 3 3. GENERAL INFORMATION 3.1 3.2 The ability of the air-conditioner to maintain a desired temperature depends upon the heat entering or leaving your vehicle. The following simple guidelines should be followed to achieve the best comfort, lowest energy use and quietest operating noise. a. Park your vehicle in a shaded area. b. Keep all windows, doors, curtain and blinds closed while operating. c. Select higher fan speeds for higher cooling performance. d.
Operation 4 ! WARNING This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience or knowledge, unless they are supervised and given instructions concerning the use of the appliance by a person responsible for their safety. Children must be supervised at all times to ensure that they do not play with this appliance.
Operation 5 4. CONTROLS 4.1 REMOTE CONTROL A/ Power On/Off switch B/ Temperature Decrease Lowers to the desired room temperature (16-30˚C) C/ Temperature increase Raises to the desired room temperature (16-30˚C) D/ Fan Speed Cycles the interior fan through 3 speed settings.
Operation 6 E/ Timer (i) On Timer Pressing this button while the unit is off will set the on timer. Each button press adds 1 hour to the wait time until the unit starts (1-12 hours). After cycling through 12 hours, the next button press will cancel the ‘on’ timer. (ii) Off Timer Pressing this button while the unit is on will set the off timer. Each button press adds 1 hour to the wait time until the unit stops (1-12 hours).
Operation 7 4.2 UNIT H I J K H H/ Directional Airflow Controls Vertical airflow directional control. I/ Power Indicator (Blue) Illuminates when the air-conditioner is switched on. J/ Infrared Remote Control Receiver Electronic receiver for remote control signal.
Operation 8 OPERATION 5. Ensure that the caravan is connected to a clean 230 - 240V power supply. If connected to a generator, it must be of the sine-wave type, and adequately rated. ! CAUTION Always ensure that the caravan’s power supply cord is fully uncoiled before operating the unit to prevent overheating. The Power indicator (I) will illuminate briefly when the power supply is connected and switched on. 5.
Operation 9 The compressor and exterior fan speed are microprocessor controlled to automatically ensure a long life for your air-conditioner while maintaining the best possible comfort. Depending upon the conditions and air-conditioner settings, you may notice some of the following: a. Automatic Compressor Start Protection: The compressor start may be delayed for up to 3 minutes after selecting cooling or heating mode. b.
Operation 10 MAINTENANCE 6. ! WARNING Always ensure that the air-conditioner is isolated from the mains power supply by switching off the AC switch and safety circuit breaker, before performing and during any maintenance. 6.1 INLET AIR FILTER Two dust filters are fitted to the return air inlet of the air-conditioner. These filters are essential to prevent a build up of dust blocking the evaporator. The filters (Part No.
Operation 11 6.3 REMOTE CONTROL BATTERIES The infrared remote control is powered by 2 x AAA (LR03, 24A, MN2400) 1.5V batteries. Depleted batteries in the remote control will cause poor remote operating range. The batteries should be replaced as required with new batteries of the same type by removing the cover from the rear of the remote control. Take care to insert the new batteries with the correct polarity as indicated in the battery compartment.
Operation 12 BUZZER QUICK COOL LED IR RECEIVER 16 POWER LED 7.1 WIRING DIAGRAM 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 SUPPLY CONNECTION COMPRESSOR THERMAL SWITCH PRESSURE SWITCH CAPACITOR PTC STARTER CAPACITOR EXTERIOR FAN CAPACITOR INTERIOR FAN CAPACITOR TRANSFORMER SOLENOID MAIN PCB 10A FUSE REMOTE PCB REMOTE HARNESS BROWN RED ORANGE 10 11 BLUE BLUE 13 GREY GREY CONNECTION MUST COMPLY WITH LOCAL LAWS AND REGULATIONS.
Operation 13 8. TROUBLESHOOTING Symptom Cause Remedy Unit does not Power supply is off operate Check and confirm that the caravan main power is switched on. Check the AC switch and the safety circuit breaker on the caravan. All these should be switched on. Power interruption To protect itself from damage, the unit may switch off (return to standby) if power is momentarily interrupted.
Operation 14 8. TROUBLESHOOTING - cont... Symptom Cause Remedy Unit operating continously System unable to reach desired setpoint. Change temperature setting on remote control (confirmed by beep & LED blink). Close all doors, windows and curtains to improve insulation and reduce the load on the system. Both LED’s Both LED’s flash flashing. Unit together. does not operate. Condensate formation Power supply voltage is out of acceptable range for safe operation of the unit.
Operation 15 DENSO WARRANTY AN IMPORTANT MESSAGE FROM DENSO Thank you for purchasing a DENSO Product. To ensure that Your DENSO Product performs properly and to ensure the validity of DENSO’s Warranty, please follow all the instructions and recommendations concerning the installation, use, servicing, maintenance and repair of the Product, as set out in the documentation provided with the Product.
Operation 16 STEP 2 You must then take the Product to an Authorised Denso Service Repairer, the Supplier or us in accordance with our directions. You must provide satisfactory proof of purchase. STEP 3 Following inspection of the Product, You will be informed whether Your claim has been accepted and, if so, whether the Product will be repaired or replaced at our expense, or whether You will be paid an amount equivalent to the cost of repairing or replacing the Product.
Operation 17 REGISTRATION OF YOUR UNIT All electrical work and permanent wiring must be carried out by an appropriately qualified person in accordance with national wiring regulations and all other applicable local codes and regulatory authority requirements. This unit must be earthed & connected through a suitably rated twopole switch allowing disconnection of the active & neutral conductors.
