Carrier 42XQA Owner's Manual
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- Owner's manual (28 pages) ,
- Installation and start-up instructions manual (32 pages)
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Summary of Contents for Carrier 42XQA
- Page 1 42XQ 42XQA 42XQ : Cooling only direct expansion Fan Coil Unit (Wireless Control) 42XQA : Cooling only direct expansion Fan Coil Unit (Wired Control)
- Page 2 Thank you for choosing Carrier! You can be sure that you’ve made a wise choice, because the same pride we take in manufacturing the Carrier equipment installed in the Astrodome in Texas, in the Sistine Chapel, in the Capitol – the seat of the US Congress – and in thousands of other installations worldwide, is embodied in the design of the unit you have just purchased.
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Page 3: Table Of Contents
CONTENTS CONTENTS PRECAUTIONS Safety considerations DISPLAYS OF THE INDOOR UNIT, LED INDICATORS & CONTROLS Error codes Emergency operation REMOTE CONTROL Using the selected functions Using the wireless remote control Using the wired remote control Setting the operating mode INFORMATION ABOUT FILTERS CARE AND MAINTENANCE Operating conditions Operation during power outages... -
Page 4: Precautions
Carrier spare part by its network of indicated, or if the wiring is changed. authorized dealers. Consult... - Page 5 Do not spray flammable aerosols near to CAUTION the unit. The unit may be damaged if it comes into contact with gasoline, solvents, benzene, insecticides or other chemical substances. DISCONNECTING THE UNIT FROM THE MAIN POWER SUPPLY These units must be connected to the main electrical power supply through a circuit-breaker or switch fuse with an appropriate capacity and with a...
- Page 6 Use only a circuit-breaker with a suitable Keep the unit away from heat sources. High capacity. temperatures may cause physical damage to the unit. Do not obstruct the air discharge of any of the In summer, prevent sunlight from entering the indoor and outdoor unit.
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Page 7: Displays Of The Indoor Unit, Led Indicators & Controls
DISPLAYS OF THE INDOOR UNIT, DISPLAYS OF THE INDOOR UNIT, LED INDICATORS AND CONTROLS LED INDICATORS AND CONTROLS T : EMERGENCY and RESET button S : Receiver of remote control signal P : Green LED R : Yellow LED Q : Red LED NOTE Indoor Unit LEDs Information about the operating mode of the... -
Page 8: Emergency Operation
0 THE RED LED (Q) indicates the following NOTE information • During normal operation, the LED is switched off. • Positioning of the selector key: the • During defrosting, the LED is illuminated. units leave the factory configured for • During the testing of the electrical the underceiling position. -
Page 9: Remote Control
REMOTE CONTROL REMOTE CONTROL The remote control works with 1.5 V CAUTION batteries. When the battery icon appears on the display of the remote control, it’s time to replace the old batteries. Before replacing the batteries, the device must be disconnected. Inserting the batteries •... - Page 10 NOTE NOTE • Sunlight shinning directly onto the • The maximum distance for the signal reception area of the unit infrared remote control to work may cause difficulties in receiving properly is 5 metres. the signal emitted by the remote control.
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Page 11: Using The Selected Functions
USING THE SELECTED FUNCTIONS USING THE SELECTED FUNCTIONS 1. Operating mode (from left to right): Configuration of the unit • Ventilation (fan only) Low battery indicator • Cooling with dehumidification Position of the air deflector • Dehumidification only Fan speed 10. -
Page 12: Using The Wireless Remote Control
USING THE WIRELESS REMOTE CONTROL USING THE WIRELESS REMOTE CONTROL Indicated symbol Connect / Disconnect (Key B) Ventilation (fan only) When the air conditioner is disconnected, the control display shows only the hour of the Cooling with dehumidification day (if other icons are shown, disconnect the control by pressing the “... - Page 13 Selecting the airflow direction Selecting the fan speed (Key H) (Key E) The deflector direction must be set so as to The fan speed can be selected by pressing optimize the ambient airflow distribution. the button with the icon Press the button until one of the following Indicated symbol positions is displayed:...
- Page 14 2. HOUR and MINUTES buttons 7. Positioning the air deflector ∧ ∨ This icon now flashes. Use button buttons) select the desired position. If the unit is connected, the only possible selection is the time of starting operation. Press button to confirm.
- Page 15 Customization Daily timer (Button G and F) (DAILY - button J) If you want to save a customized operating Press button when timer ON or OFF is mode which you can reactive at any time, active. The icon appears on the display. In complete the following steps: this way, the saving of the timer ON and OFF is repeated daily.
- Page 16 If you want the daily operating mode to start at Programming the night timer (SLEEP - button M) 530pm and stop at 10:30pm, proceed as follows: Press this button to set the night timer (SLEEP) 1. Select timer ON for 5:30pm with the remote control connected.
- Page 17 CAUTION !!! The air conditioner will not work if there are Setting the hour curtains, doors or other objects blocking the (Button N) signal sent from the remote control to the unit. With remote control connected or disconnected, press button The numbers of the hour start flashing.
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Page 18: Using The Wired Remote Control
Specifications Control to the left and right • Operating Modes: If you want to set the direction of the air to Off (disconnected), Cool (refrigeration), the right or left, adjust the deflector by hand Dry (dehumidification), and after opening the horizontal deflector. Fan only (ventilation) •... - Page 19 Display the selected functions Control Powered Up All of the segments of the Remote Control Display must be powered up for five seconds. Information about the operating mode, fan speed, desired temperature and configuration must read from Microprocessor inside the Remote Control. If EEPROM values are not valid, the following must be used by default.
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Page 20: Setting The Operating Mode
SETTING THE OPERATING MODE COOL and DRY modes SETTING THE OPERATING MODE • ICON of the Operating Mode. “MODE” button • Ambient Temperature: if configured by Pressing the “MODE” button causes the canceling the temperature sensor of the operating mode to change. The “MODE”... - Page 21 FAN ONLY mode “FAN” button FAN ONLY Setting the fan speed. Operation with fan ventilation only When the “FAN” button is pressed, the fan speed is changed. To reach the desired speed, the “FAN” speed button must be pressed and then released.
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Page 22: Information About Filters
Air Deflector Control Information about Filters • Keep the “FAN” button pressed down for • Air Filters (optional) 5 seconds. - Option Electrostatic Filter • The selected air deflector setting is Activated Carbon Filter. displayed. - Option Electrostatic Filter • By pressing the “UP” and “DOWN” Photocatalyzer Filter. -
Page 23: Care And Maintenance
CARE AND MAINTENANCE CARE AND MAINTENANCE Operating Conditions Prevention of freezing in the indoor unit The temperature ranges compatible with the • When the unit is operating in conditions of unit are as follows: low ambient temperature, ice may appear on the coil of the indoor unit. -
Page 24: Practical Tips
PRACTICAL TIPS PRACTICAL TIPS If you know that your air conditioner will not be used for an extended Optimal comfort with low consumption period of time: • Ensure that you maintain the temperature of your house within the comfort zone. •... -
Page 25: Cleaning The Indoor Unit
Cleaning the Indoor Unit Cleaning the Outdoor Unit • Always disconnect the main power supply • From time to time, clean the area around before unit performing any cleaning work. the outdoor unit and remove the waste that may have accumulated and could •... -
Page 26: Cleaning The Filters
PRACTICAL TIPS PRACTICAL TIPS Cleaning washable cloth filters To determine how often these filters should Maintenance and User Guide be washed, you should take 1 month of operation as the basic length of time Cleaning the Filters between washings. • The cloth filters must be washed with water only. - Page 27 Photocatalyzer Filters Installer’s Guide After finishing the installation and testing, explain the main points of this Manual to the user, giving special attention to the main operating modes of the air-conditioning equipment as stated below: • How to switch the unit on and off. •...
- Page 28 42XQ 2005 Manufacturer reserves the right to discontinue, or Parent Pt No.: 42XQ-402-001 change at any time, specifications or designs without notice and without incurring obligations. OM Pt No.: 42XQ-502-002 Printed in Malaysia...