Bryant GT-PG (50YE) manual Reference Calculations & Legend, Cooling

Page 9

Bryant Geothermal Heat Pump Systems

Reference Calculations & Legend

Heating

LWT = EWT -

HE

GPM x 500

LAT = EAT +

HC

CFM x1.08

Cooling

LWT = EWT +

HR

 

 

 

LC = TC - SC

GPM x

500

 

LAT (DB) = EAT (DB)

-

 

SC

 

S/T =

SC

CFM x1.08

TC

 

 

 

 

Hot Water Generator capacities (HWC) are based on potable water flow rate of 0.4 gpm per nominal equipment ton and 90°F entering potable water temperature.

CFM

= airflow, cubic feet/minute

HE

= total heat of extraction, Mbtuh

EWT

= entering water temperature, ˚F

HWC

= Hot Water Generator (desuperheater) capacity, Mbtuh

GPM

= water flow in US gallons/minute

WPD

= Water coil pressure drop (psi & ft hd)

EAT

= entering air temperature, Fahrenheit (dry bulb/wet bulb)

EER

= Energy Efficiency Ratio = BTU output/Watt input

HC

= air heating capacity, Mbtuh

COP

= Coefficient of Performance = BTU output/BTU input

TC

= total cooling capacity, Mbtuh

LWT

= leaving water temperature, °F

SC

= sensible cooling capacity, Mbtuh

LAT

= leaving air temperature, °F

KW

= total power unit input, KiloWatts

LC

= latent cooling capacity, Mbtuh

HR

= total heat of rejection, Mbtuh

S/T

= sensible to total cooling ratio

 

 

 

 

UPFLOW

LEFT RETURN AIR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Left Return Air

 

 

 

Piping End

 

 

 

 

Piping End

Piping End

Left Return Air

 

Back Discharge

 

 

 

 

Side Discharge

Left Return Air

Piping End

Right Return Air

 

 

RIGHT RETURN AIR

Piping End

 

 

 

Right Return Air

Piping End

Right Return Air

Piping End

Back Discharge

 

Side Discharge

 

Residential Products Technical Guide

GT-PG

9

 

 

 

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Contents GT-PG 50YE Packaged Series GT-PG 50YE Series Table of ContentsWhats New with Bryant Geothermals GT-PG? Other New FeaturesPuron Refrigerant Tin-Coated Air CoilGT-PG Design Features Options & Accessories Series Revision Level Unit Model KeyAbout AHRI/ISO/ASHRAE About AHRI/ISO/ASHRAETest Condition Comparison Table Ground Water Heat Pump Ground Loop Heat Pump AHRI/ISO/ASHRAE/ANSI 13256-1 PerformanceBtuh/W BtuhCooling Reference Calculations & LegendSensible Power PowerAir Flow Correction Factors 75%Entering Air Correction Factors Air DBFAir WBF Performance Data Selection Notes This is due to the potential of the refrigerant temperaturePSI EER LAT Performance Data GT-PG Model 018 PSC BlowerPerformance Data GT-PG Model 018 ECM Blower PSI Performance Data GT-PG Model 024 PSC BlowerOperation Not recommended Performance Data GT-PG Model 024 ECM BlowerPerformance Data GT-PG Model 030 PSC Blower AOperation Performance Data GT-PG Model 030 ECM BlowerPerformance Data GT-PG Model 036 PSC Blower Performance Data GT-PG Model 036 ECM Blower 110 Performance Data GT-PG Model 042 PSC BlowerPerformance Data GT-PG Model 042 ECM Blower Performance Data GT-PG Model 048 PSC Blower Operation Performance Data GT-PG Model 048 ECM BlowerPerformance Data GT-PG Model 060 PSC Blower Performance Data GT-PG Model 060 ECM Blower Performance Data GT-PG Model 070 ECM Blower Physical Data Dimensions Vertical Upflow GT-PG 50YE Series Return Discharge Connection Return ConnectionDimensions Vertical Downflow GT-PG 50YE Series Floor Foot Print Dimensions Horizontal GT-PG 50YE Series +/- 0.20 in, +/- 5.1mm Model 1Discharge Connection Return ConnectionElectrical Data GT-PG ECM Electrical Wiring Diagram 96B0005N37 GT-PG PSC Electrical Wiring Diagram 96B0005N36 Bryant Whatever it Takes GT-PG ECM Control Features ECM Board Tap Settings Aux ECM Blower Performance DataIn. wg 640 800 400 500 620Airflow cfm at External Static Pressure in. wg PSC Blower Performance DataAuxiliary Heat Electrical Data Auxiliary Electric Heat Auxiliary Heat RatingsAuxiliary KW Rating Btuh Rating MinimumEngineering Guide Specifications Accessories & Warranty Warranty Information Accessories & OptionsGT-PG 50YE Series Bryant Geothermal Heat Pump Systems Revision History ECM Electrical Data Updated

GT-PG (50YE) specifications

The Bryant GT-PG (50YE) is a state-of-the-art gas-fired packaged unit ideal for both commercial and residential applications. Renowned for its efficiency and reliability, this model stands out in the competitive HVAC market. With its sleek design and advanced features, it promises optimal performance while maintaining energy efficiency, making it a favorite among building owners and contractors alike.

One of the most remarkable features of the Bryant GT-PG (50YE) is its high-efficiency gas heat exchanger. This component enhances energy transfer, ensuring that maximum heat is produced with minimal energy consumption. With an Annual Fuel Utilization Efficiency (AFUE) rating that meets and exceeds industry standards, users can count on significant savings in energy bills over time. Additionally, the unit is equipped with a multi-speed blower that further enhances its efficiency by providing a consistent flow of air while reducing noise levels.

Another significant characteristic of the GT-PG (50YE) is its advanced control system. Featuring a user-friendly interface, this system allows for precise temperature control and integration with smart home technologies. The modulating gas valve optimizes performance based on heating demand, providing customized comfort for any environment.

Reliability is key with the Bryant GT-PG (50YE). It is built with sturdy materials designed to withstand the elements, enhancing its lifespan and reducing maintenance needs. The inclusion of a robust stainless steel heat exchanger aids in preventing corrosion, ensuring durability in various climates.

Moreover, safety features are paramount in the design of the GT-PG (50YE). It includes integrated safety controls, such as a flame rollout switch and limit control, providing peace of mind for users.

Installation and maintenance are made easy with this model, which includes a compact design allowing for versatile placement options. Service access has been thoughtfully designed, ensuring technicians can perform routine maintenance without hassle.

In conclusion, the Bryant GT-PG (50YE) is a powerhouse of an HVAC solution, blending efficiency, reliability, and advanced technology. With its exceptional heating capabilities, user-friendly controls, and durable construction, this model is perfect for anyone looking to invest in long-term comfort and performance. Whether for residential or commercial use, the GT-PG reflects Bryant's commitment to quality and customer satisfaction.