Bard QH602, QH243, QH482, QH422, QH362 Unit Mounted Thermostat Wiring Diagram Thermostat Option

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FIGURE 17

UNIT MOUNTED THERMOSTAT WIRING DIAGRAM

“A” THERMOSTAT OPTION

NOTE: On option X or A the CS2000A1 (or other field provided means to control ventilation) must be used if any of the motorized ventilation options are installed.

Manual

2100-420H

Page

19 of 34

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Contents Instructions Models QH243 QH302 QH362 QH422 QH482 QH602 Qtec Series Packaged Heat Pump InstallationContents For More INFORMATION, Contact These Publishers Getting Other Information and PublicationsFactory BUILT-IN Electric Heat Table Qtec Model NomenclatureElectrical Specifications on page 6 a Electrical SpecificationsModel Unit Dimensions Removal of Unit from Skid Shipping DamageUnit Removal from Skid AIR Seal Under Qtec UnitUnit on Appliance Cart Minimum Installation HeightHandling Unit After Removal from Skid GeneralInstallation with Free Blow Plenum Ducted Application Filter Location Duct WorkFilters Supply Duct ConnectionsStandard Rear Drain Optional Side Drain Side View InstallationFresh AIR Intake Condensate DrainRear Drain TOP View Service LightUnit Mounting Mounting the Unit Installation InstructionsRemoving Locking Screws from Wheels Operating Voltage Range Wiring Main PowerWiring LOW Voltage Wiring Component LocationLOW Voltage Connections for DDC Control LOW Voltage ConnectionsWall Thermostats Thermostat Predominant FeaturesRemote Thermostat Wiring Diagram Thermostat Option Unit Mounted Thermostat Wiring Diagram Thermostat Option Unit Mounted Thermostat Wiring Diagram Thermostat Option Start UP Mist Eliminator Service Service HintsBarometric Fresh AIR Damper Standard Vent OptionsFresh AIR Damper Removal Qerv Removal Heat Pump Control Board HPC Pressure Service PortsSequence of Operation Optional Climate Controls Sequence of OperationDefrost Cycle LOW Pressure Control Bypass TimerTroubleshooting TroubleshootingChecking Temperature Sensor Solid State Heat Pump Control Troubleshooting ProcedureTemperature F VS Resistance R of Temperature Sensor Don’t Troubleshooting GE ECM MotorsReplacing ECM Control Module Troubleshooting GE ECM Motors CONT’DIndoor Blower Performance FAN Blade Setting Dimensions Refrigerant ChargeFAN Blade Setting FAN Blade Dimensions Super Heat AT CompressorModel Temp Pressure Cooling Pressure ALL Temperatures in Degrees FReturn AIR Temperature Entering Outdoor Coil Model Pressure Heating Pressure ALL Temperatures in Degrees F

QH482, QH243, QH302, QH422, QH602 specifications

Bard has established itself as a leader in the heating, ventilation, and air conditioning (HVAC) industry with its innovative line of products, including the Bard QH series. Models such as QH362, QH602, QH422, QH302, and QH243 showcase the perfect blend of performance, efficiency, and advanced technology.

The Bard QH362 is built for both affordability and efficiency, making it ideal for smaller commercial spaces. This model offers a cooling capacity of 36,000 BTUs, providing optimal comfort with minimal energy consumption. Its robust design ensures long-lasting performance, while the air-cooled condenser enhances reliability in various climates.

The QH602 model takes it a step further with enhanced cooling capabilities, boasting a 60,000 BTU rating. This unit is particularly well-suited for larger commercial applications. Its advanced heat pump technology allows for efficient heating and cooling, ensuring indoor comfort year-round. The QH602 features a user-friendly control system that optimizes energy use and simplifies operation.

Next up, the QH422 model is designed for mid-sized commercial environments, offering 42,000 BTUs of cooling power. This model is distinguished by its energy-efficient design, significantly reducing operational costs while maintaining high-performance levels. The QH422 includes a smart thermostat that allows users to monitor and adjust settings remotely, further enhancing energy management.

The QH302 model is perfect for businesses looking for a balance between power and efficiency. With a capacity of 30,000 BTUs, this unit effectively meets the needs of medium-sized spaces. Its compact design allows for easy installation and maintenance, making it a favorite among commercial property managers.

Lastly, the QH243 model rounds out the series with a 24,000 BTU capacity, ideal for smaller commercial applications. This model showcases Bard's commitment to energy efficiency, equipped with environmentally friendly refrigerants and advanced insulation materials that minimize energy loss.

These Bard models feature innovative technologies such as variable-speed fans, which ensure consistent airflow regardless of outdoor conditions. Additionally, noise-reduction technologies provide a quieter operation, creating a more pleasant indoor environment.

In summary, the Bard QH series, including the QH362, QH602, QH422, QH302, and QH243, offers a comprehensive range of HVAC solutions tailored to diverse commercial needs. With their efficient designs, advanced technology, and focus on reliability, these models set the standard for modern heating and cooling equipment.