Carrier 40QNQ installation instructions Catalog No 40QNC---Q---9SI

Page 24

Copyright 2009 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231

Printed in U.S.A.

Edition Date: 09/09

Catalog No: 40QNC---Q---9SI

 

 

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Replaces: 40QN--- 8SI

24

Image 24
Contents Safety Considerations 40QNC, QNQ UnitDimensions Indoor Dimensions OutdoorClearances Indoor Clearances OutdoorCoil Facing Wall --- in. mm Fan Facing Wall --- in. mm Parts List System RequirementsPower and Connecting Cables Field Supplied AccessoriesUser Interface Operating RangeInstallation Complete Pre-installation ChecksConsider System Requirements Refrigerant Line RoutingSide Or Bottom Piping Mounting on GroundMounting on Roof Complete Outdoor Refrigerant Piping Connec- tions Mounting Unit on WallConnection at Outdoor Unit 38HDF UnitsComplete Outdoor Power and Control Wiring Power Wiring38QRF Units 38QRF Control Terminal Strip 38HDF / 38QRF Electrical Data 40QNC, QNQ Fan Coil Electrical Data40QNC01824 Matched with 38HDF Typical Wiring Schematic 40QNQ018,024 Matched with 38QRF Typical Wiring Schematic 40QNC030, 036 Matched with 38HDF Typical Wiring Schematic 40QNQ030, 036 Matched with 38QRF Typical Wiring Schematic Run Power Wiring for Indoor Unit Location of Piping, Hose, and WiringUnit Configuration Remote Control ConfigurationWired Control Control Wiring Between Indoor and Outdoor Units Wiring for Zone Manager Zone ManagerUsing Vacuum Pump START-UPPreliminary Checks Evacuate and Dehydrate the SystemTest Mode Sequence of Operation Set Unit in Test Mode Using Wireless ControlSet Unit in Test Mode Using Wired Control To Start the UnitService Pump-down ProcedureRefrigerant Charging Filter DrierTroubleshooting Fault CodeGreen LED Indoor Unit Fault TroubleshootingCatalog No 40QNC---Q---9SI

40QNQ, 40QNC specifications

The Carrier 40QNC and 40QNQ are advanced rooftop packaged units designed for efficient heating and cooling in commercial applications. These units are particularly known for their reliability, versatility, and energy-efficient performance, making them a preferred choice for building owners and HVAC professionals alike.

One of the standout features of the Carrier 40QNC and 40QNQ units is their variable-speed technology. This innovative system allows for precise control of airflow and temperature, ensuring that indoor environments maintain consistent comfort levels while minimizing energy consumption. The variable-speed compressor operates at different speeds based on the cooling demand, leading to reduced energy costs and improved overall efficiency.

In terms of energy performance, both models boast high Seasonal Energy Efficiency Ratios (SEER) and Heating Seasonal Performance Factors (HSPF). This not only contributes to lower energy bills but also helps in meeting energy efficiency standards and regulations in various regions. This makes the 40QNC and 40QNQ ideal for environmentally conscious building projects aiming for sustainability.

Another notable feature is the advanced microchannel coil technology utilized in these units. Microchannel coils are lighter, more compact, and provide enhanced heat exchange capabilities compared to traditional coils. This technology contributes to a more efficient refrigerant flow and ultimately leads to improved performance and durability of the unit.

Moreover, both models come equipped with a robust control system that enhances user interface. With smart thermostat compatibility, users can easily manage their building's climate remotely, ensuring optimal comfort and energy management. These systems are designed to integrate seamlessly with building management systems (BMS), allowing for greater control and optimization.

The construction of the Carrier 40QNC and 40QNQ also deserves mention. The units are built with durable materials designed to withstand harsh weather conditions, providing longevity and reliability. Additionally, the low sound levels produced by these units make them suitable for noise-sensitive settings, ensuring comfort without disruptive operation.

In summary, the Carrier 40QNC and 40QNQ are exemplary rooftop packaged units that combine advanced technology, energy efficiency, and reliable performance. Their variable-speed operation, microchannel coil technology, and robust control systems make them ideal solutions for commercial heating and cooling needs, catering to both comfort and sustainability.