Carrier 50HCQA Install External Condensate Trap and Line, Economizer Hood and Two-Position Hood

Page 10

Economizer Hood and Two-Position Hood —

NOTE: If the power exhaust accessory is to be installed on the unit, the hood shipped with the unit will not be used and must be discarded. Save the aluminum filter for use in the power exhaust hood assembly.

1.The indoor coil access panel will be used as the top of the hood. Remove the screws along the sides and bot- tom of the indoor coil access panel. See Fig. 10.

filter rack (hood divider). Push the filter into position past the open filter clips. Close the filter clips to lock the filter into place. See Fig. 12.

DIVIDER

OUTSIDE

50HCQA

CAULK

HERE

INDOOR

COIL

ACCESS

PANEL

SIDE

PANEL

TOP

SIDE

PANEL

INDOOR

COIL

ACCESS

PANEL

C06025

AIR

HOOD

CLEANABLE

ALUMINUM FILTER FILTER

BAROMETRIC RELIEF

FILTER CLIP

C08634

Fig. 12 - Economizer Filter Installation

6.Caulk the ends of the joint between the unit top panel and the hood top.

7.Replace the filter access panel.

Fig. 10 - Indoor Coil Access Panel Relocation

2.Swing out indoor coil access panel and insert the hood sides under the panel (hood top). Use the screws provided to attach the hood sides to the hood top. Use screws provided to attach the hood sides to the unit. See Fig. 11.

Step 9 — Install External Condensate Trap and Line

The unit has one 3/4-in. condensate drain connection on the end of the condensate pan and an alternate connection on the bottom. See Fig. 13. Unit airflow configuration does not determine which drain connection to use. Either drain connection can be used with vertical or horizontal applications.

LEFT

 

HOOD

 

SIDE

19 1/16”B

 

(483mm)

TOP

PANEL

INDOOR COIL

ACCESS PANEL

SCREW

33 3/8”

(848mm)

HOOD DIVIDER

C06026

When using the standard side drain connection, ensure the red plug in the alternate bottom connection is tight. Do this before setting the unit in place. The red drain pan can be tightened with a 1/2-in. square socket drive extension.

To use the alternate bottom drain connection, remove the red drain plug from the bottom connection (use a 1/2-in. square socket drive extension) and install it in the side drain connection.

Fig. 11 - Economizer Hood Construction

3.Remove the shipping tape holding the economizer ba- rometric relief damper in place.

4.Insert the hood divider between the hood sides. See Fig. 11 and 12. Secure hood divider with 2 screws on each hood side. The hood divider is also used as the bottom filter rack for the aluminum filter.

5.Open the filter clips which are located underneath the hood top. Insert the aluminum filter into the bottom

CONDENSATE PAN (SIDE VIEW)

 

ALTERNATE

STANDARD

DRAIN PLUG

BOTTOM DRAIN

SIDE DRAIN

(FACTORY-INSTALLED)

 

 

C08021

Fig. 13 - Condensate Drain Pan (Side View)

The piping for the condensate drain and external trap can be completed after the unit is in place. See Fig. 14.

10

Page 9 Page 11
Image 10
Page 9 Page 11
Contents Installation Instructions Safety Considerations Unit Dimensional Drawing 04 06 Size Units Unit Dimensional Drawing 04 06 Size Unit Plan for Unit LocationInspect unit Plan for Sequence of Unit InstallationProvide Unit Support Roof Curb Details Field Fabricate Ductwork For Units with Accessory Electric HeatersRig and Place Unit Convert to Horizontal and Connect Ductwork when required Rigging Details Positioning on CurbInstall Outside Air Hood Economizer Hood Removal and Setup Factory OptionInstall External Condensate Trap and Line Economizer Hood and Two-Position HoodField Power Supply Make Electrical ConnectionsUnits with Factory-Installed Disconnect Convenience OutletsWeatherproof Cover Installation Factory-Option Thru-Base ConnectionsUnits without Thru-Base Connections Field Control WiringHeat Anticipator Settings ThermostatField Control Wiring Raceway Heater Model NumberTypical Module Installation Single Point Boxes and Supplementary FuseSupply Air Temperature SAT Sensor PremierLink ControllerTypical PremierLink Wiring Schematic Field Connections Outdoor Air Temperature OAT SensorSpace Temperature SPT Sensors EconoMi$ert2Space Thermostat Connections PremierLink Sensor Usage Space Sensor Mode Thermostat ModeEconomizer Controls Indoor CO2 Sensor 33ZCSENCO2 Connections Power Exhaust output Filter Status SwitchSupply Fan Status Switch Space Relative Humidity SensorConnecting CCN bus Color Code Recommendations Recommended CablesRTU-MP Control System Typical RTU-MP System Control Wiring Diagram RTU-MP Controller Inputs and Outputs Type of I/O Connection PIN Name Numbers InputsSpace Temperature Sensor Typical Wiring 33ZCT59SPT Connecting Discrete Inputs RTU-MP / Outdoor CO2 Sensor 33ZCSENCO2 ConnectionsCommunication Wiring Protocols GeneralLocal Access RTU-MP TroubleshootingSystem LEDsLEDs on the RTU-MP show the status of certain functions ControllerSmoke Detector Locations Supply AirCompleting Installation of Return Air Smoke Sensor See Completing Installation of Return Air SmokeAdditional Application Data Unit Wire/Fuse or Hacr Breaker Sizing Data STDUnit No P.E 208/230 208/230---3 STD EconoMi$er IV Occupancy Switch Adjust Factory-Installed OptionsSmoke Detectors Install Accessories Pre-Start and Start-UpCatalog No 50HCQ---01SI

50HCQA specifications

The Carrier 50HCQA is a cutting-edge rooftop air conditioning unit designed for commercial applications, combining efficiency, reliability, and advanced technology to ensure optimal indoor climate control. This model stands out in Carrier's extensive range of HVAC solutions, showcasing a blend of innovative features suitable for diverse building types.

One of the key features of the Carrier 50HCQA is its high-efficiency compressor. With variable-speed capabilities, the compressor adjusts its output to meet the precise cooling or heating demands of the space, promoting energy savings and consistent temperature management. This flexibility results in reduced energy consumption, making the 50HCQA an environmentally friendly choice for businesses looking to lower their carbon footprint.

The 50HCQA integrates advanced microprocessor controls, streamlining operation and enhancing user interaction. This technology allows for sophisticated diagnostics, monitoring, and scheduling, giving facility managers the tools they need to optimize system performance. The user-friendly interface ensures that settings can be easily adjusted, and real-time performance metrics can be accessed to ensure efficient operation.

In terms of construction, the Carrier 50HCQA is built with durability in mind. The unit features a robust cabinet design with a galvanized steel construction that is resistant to corrosion. This feature enhances the longevity of the unit, making it suitable for a variety of weather conditions. Additionally, the insulated casing reduces sound levels, providing a quieter operation that is particularly beneficial in noise-sensitive environments.

Another significant characteristic of the 50HCQA is its environmentally responsible refrigerant options. It utilizes R-410A refrigerant, which has a lower Global Warming Potential (GWP) compared to traditional refrigerants. This aspect not only meets regulatory standards but also supports users in making eco-friendly choices in their HVAC systems.

The 50HCQA also supports a range of optional accessories, including economizers for enhanced energy efficiency and improved air quality. This allows for increased outdoor air intake during suitable conditions, which can significantly contribute to enhancing indoor air quality—an essential factor for occupant comfort and health.

In conclusion, the Carrier 50HCQA is an exemplary model in the commercial HVAC sector, delivering powerful performance, advanced control technologies, and robust construction. Its energy-efficient design, user-friendly controls, and eco-conscious refrigerant options make it a top choice for businesses aiming to invest in sustainable and reliable climate control solutions.
Top Page Image Contents