Table of Contents
Advertisement
Quick Links
Carrier
International
Sdn. Bhd.
®
Malaysia
42XQ : Cooling only direct expansion Fan Coil Unit (Wireless Remote Control)
42XQA : Cooling only direct expansion Fan Coil Unit (Wired Remote Control)
42XQ
MODEL
42XQ/XQA 020/004*
42XQ/XQA 025/006*
42XQ/XQA 030/007*/008*
42XQ/XQA 040/010*
42XQ/XQA 050/012*
42XQ/XQA 060/014*
*Model code for Thailand market only (50Hz)
INSTALLATION AND
START-UP INSTRUCTIONS
UNDERCEILING/CONSOLE FAN COIL UNIT
42XQA
W (mm)
1020
1200
1650
D (mm)
H (mm)
625
232
42XQ/XQA
50/60Hz
Weight (kg)
23
23.5
26.1
27.2
37.6
40.1
1
Advertisement
Table of Contents
Related Manuals for Carrier 42XQ Series
Summary of Contents for Carrier 42XQ Series
- Page 1 INSTALLATION AND 42XQ/XQA Carrier START-UP INSTRUCTIONS 50/60Hz International Sdn. Bhd. ® UNDERCEILING/CONSOLE FAN COIL UNIT Malaysia 42XQ : Cooling only direct expansion Fan Coil Unit (Wireless Remote Control) 42XQA : Cooling only direct expansion Fan Coil Unit (Wired Remote Control)
-
Page 2: Table Of Contents
CONTENTS - Introduction........................ 3 - Safety Instructions..................... 3 2.1 - Capacity Label....................3 - Receiving and Inspecting the Units................4 - Installation 4.1 - General Recommendations................5 4.2 - Basic Installation Procedures................5 4.3 - Installing the Indoor Units..................6 - Interconnection Pipes 5.1 - Suspending and Mounting the Interconnection Pipes........ -
Page 3: Introduction
Only professionals accredited and trained technical personnel may install, start-up and perform any maintenance on the equipment discussed in this manual. Please contact the nearest Carrier representatives if you still need additional information after reading this manual! -
Page 4: Receiving And Inspecting The Units
RECEIVING AND INSPECTING THE UNITS • To prevent damage during movement or transportation, do not remove the units from their packaging until they arrive at the final installation location. • Prevent ropes, chains or other equipment from leaning on the units. •... -
Page 5: Installation
INSTALLATION General Recommendations First of all, consult the applicable standards or regulatory codes for installing the equipment in the selected location to ensure that the envisages system is compliant with these standards and regulations. In addition, prepare a careful plan of the positions of the units to prevent possible interference with any kind of pre-existing (or scheduled) equipment or facilities, such as electrical installations, water mains, sewerage systems, etc. -
Page 6: Installing The Indoor Units
Installing the Indoor Units 4.3.1 GENERAL RECOMMENDATIONS Before performing the installation, read these instructions carefully to ensure that you are familiar with the specifications of the unit. The dimensions and weight of the unit can be found in the cover page. The rules presented below are applicable to all installations: a) Prepare a careful plan of the positions of the units to prevent possible interference with any kind of pre-existing (or scheduled) equipment or facilities, such as electrical installations,... - Page 7 4.3.2 PLACEMENT AT THE LOCATION a) The unit must only be installed at the following positions: Horizontal under the ceiling, vertical on the wall. (See Fig. 5 and 6). b) The unit’s position must permit the uniform circulation of air throughout the entire environment (Fig.
- Page 8 4.3.3 REMOVING THE SIDES • Fig. 9 shows the position of the screws to be removed to disassemble the plastic sides of the indoor unit. • To access the two screws indicated by the number , it is necessary to remove the air filters from the ends.
- Page 9 4.3.5 DRAINING OF THE CONDENSATE Depending on whether the unit is installed on the wall (console) or ceiling (underceiling), the pipes for draining off the condensate and also the interconnection pipes must be routed differently. Fig. 11, 12 and 13 show the installations on the wall and ceiling and where these pipes must be routed, as well as where it is necessary to break the indentation in the right-hand side cover of the indoor unit.
- Page 10 To guarantee efficient drainage: a) Ensure that the unit is level, with a slight inclination towards the drainage side - approximately 2 (Fig. 14). b) The unit uses gravity drainage. However, the drainage pipe must have a downward slope. Avoid the situation shown in Fig.
-
Page 11: Interconnection Pipes
INTERCONNECTION PIPES Suspending and Mounting the Interconnection Pipes Always insist that the interconnection pipes are fixed appropriately by means of supports or crossbeams, preferably both. Insulate them using circular neoprene rubber and then wrap finishing tape around them (Fig. 16). IMPORTANT !!! Since the expansion system is located in the outdoor unit, it is necessary to create the... -
Page 12: Adjusting The Gas Load
Since the interconnection pipes are created on site, it is essential to clean and evacuate the pipes and the indoor and outdoor units. NOTE ATTENTION !!! Cleaning must be performed by circulating Never load liquid into the suction service nitrogen through the pipes of the system. valve. -
Page 13: Gap Between The Units
Gap Between the Units In the event that there is a gap of more than IMPORTANT !!! 5m in the level of the units and the indoor unit is at the lower level, a siphon for a 3m The equivalent length limits and gap gap must be installed in the suction pipe (see indicated for the units must be respected. - Page 14 To make the connection between the Remove the flange nut from the unit and refrigerant pipes of the respective service position it with care in the copper pipe. Create valves, proceed as follows: the flange at the end of the pipe using a flange.
-
Page 15: Expansion System
EXPANSION SYSTEM For the capacities 20,000 to 30,000 Btu/h, the expansion is performed via a capillary located in the outdoor unit. For 40,000 Btu/h and above, the expansion is performed in the indoor unit by means of a system called the “piston”. NOTE The expansion system kit accompanies the indoor unit models 40, 50 and 60,000 Btu/h and... -
Page 16: Electrical Installation And Diagrams
ELECTRICAL INSTALLATION AND DIAGRAMS Between the Units Electrical Installation Instructions For all indoor connections (between the units) and outdoor connections (power supply and unit), low-voltage electrical installations must be observed. The main power supply and control cables must be made of copper and/or aluminium, with PVC-type insulation for a minimum temperature of 70 The maximum distance between the two voltage points is 50m. -
Page 17: Changing The Wireless Remote Control To A Wired Remote Control
Electrical wiring Depending on whether the unit is installed on the wall (console) or the ceiling (underceiling), the electrical wiring of the indoor unit must be routed differently. Fig. 24 shows the positions where the existing indentation in the left-hand side cover of the indoor unit must be broken to route the wiring. - Page 18 Fig. 25 - Changing the remote control use option (external connections)
- Page 19 Internal connection of the wired remote control: - Remove the rear cover of the wired remote control to connect the threeway cable. - The terminals are located in the rear part of the cover: Terminal (P) - Yellow Terminal (G) - Orange Terminal (C) - Brown - Insert the cables in the terminals according to the correspondence of...
-
Page 20: Electrical Diagram For Indoor Unit (220-240V Output Signal To Compressor)
Electrical Diagram for Indoor Unit (220-240V output signal to compressor) Fig. 26 Electrical interconnection in the Terminal Plate of the Indoor Unit 42XQ Fig. 27... -
Page 21: Electrical Diagram For Indoor Unit (24V Output Signal To Compressor)
Electrical Diagram for Indoor Unit (24V output signal to compressor) Fig. 28 Electrical interconnection in the Terminal Plate of the Indoor Unit 42XQ Fig. 29... -
Page 22: Electrical Diagram And Cold-Cycle Interconnection Diagram
Electrical Diagram and Cold-Cycle Interconnection Diagram (50Hz Cooling only) ELECTRICAL INTERCONNECTION 42XQ/XQA 020 & 025 42XQ/XQA 030 42XQ/XQA 040, 050 & 060... -
Page 23: Configuring The System
CONFIGURING THE SYSTEM The indoor units leave the factory configured for cooling only. If a cooling and heating system is installed, it is necessary to change the configuration of the equipment. The installer is able to configure the system used in the user interfaces (wireless or wired remote control). -
Page 24: Configuring The Unit
Configuring the Unit • Check all the electrical connections (instructions and diagram of the electrical connections). • Insert the batteries into the remote control and leave it disconnected. • Connect the system to the electrical current. • Press the button of the remote control and keep them pressed down for at least 5 seconds. -
Page 25: Configuring The Wireless Remote Control
Configuring the Wireless Remote Control • Insert the batteries into the remote control and leave it disconnected. • Connect the system to the electrical current. • Press the button the remote control and keep them pressed down for at least 5 seconds. -
Page 26: Configuring The Wired Remote Control (Crc)
Configuring the Wired Remote Control (CRC) To enter the system configuration: • Keep the buttons pressed down (at the same time) for 5 seconds, while the CRC is in off mode. After 5 seconds, a “20” appears; this shows that the user is adjusting the first item in the software configuration. - Page 27 Configuration Item 10 - The CRC permits and displays the following modes: Disconnected (off), Ventilation (fan), Automatic (auto), Cold (cool), Dehumidification (dry) and Hot (heat). - The CRC permits and displays the following modes: Disconnected (off), Ventilation (fan), Cold (cool) and Dehumidification (dry). Configuration Item 11 On - Cancellation of the active environment sensor.
-
Page 28: Function Test
Selecting the DEFLECTOR mode (louver) To enter the deflector model selection: • Check that the CRC is ON and keep the button pressed down for 5 seconds. Then the selected setting of the deflector is displayed. • Pressing the buttons permits the user to modify the setting of the deflector between oscillating and auto. -
Page 29: Selecting The Addresses Of The Units
Selecting the Addresses of the Units If the two indoor units are being installed in the same room and it is desired that they should operate independently, it is necessary to provide an individual address for each unit, so that each of them can function by means of its own remote control. -
Page 30: Error Codes
Error Codes In normal operation, the green LED, indicated by the signal receiver symbol is illuminated. When a malfunction occurs in the unit, the LED will flash at 5-second intervals. The error code is shown by the number of times the LED flashes. A pause of 5 seconds between the cycles in which the LED flashes. -
Page 31: Initial Start-Up
60,000 Btu/h units) 4) Distance and vertical Refer technical spec For greater distances, consult your Carrier gap between the units representative. Before starting up the unit, observe the above conditions and the following items: • Check that all of the electrical connections are securely connected;... - Page 32 USE ONLY SWITCHES ON WIRELESS OR WIRED REMOTE CONTROL TO AVOID DAMAGE TO OUTDOOR COMPRESSOR. Carrier International Sdn. Bhd. ® Malaysia Carrier International Sdn. Bhd. (3385-T) Lot 4, Jalan P/6, 43650 Bandar Baru Bangi, Selangor, Malaysia. Tel: 03-8925 8001 Fax: 03-8925 3578 REV-2 42XQ 2006 Parent Pt No.: 42XQ-402-001...
Need help?
Do you have a question about the 42XQ Series and is the answer not in the manual?
Questions and answers