Trane 120 GEH manual Schrader Connections 1/2 to 5-ton, Co-axial Water-to-Refrigerant Coil

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Features and

Benefits

Figure 11: Schrader connections

Figure 12: Water connections - small ton

Figure 13: Water connections - large ton

Figure 14: Thermal expansion valve

Schrader Connections: 1/2 to 5-ton

The connections for the low and high side of the refrigeration system are located directly beside the control box at the front, service access panel. See Figure 11 for schrader connection lotion.

Co-axial Water-to-Refrigerant Coil

The unit’s internal heat exchanging water coil is engineered for maximum heat transfer.

The copper or cupro-nickel seamless tubing is a tube within a tube design. The inner-water tube contains a deep fluted curve to enhance heat transfer and minimize fouling and scaling. It is available in either copper or cupro-nickel (selectable option) coil.The outer refrig- erant gas tube is made from steel mate- rial. The coil is leak tested to assure there is no cross leakage between the water tube and the refrigerant gas (steel tube) coil. Co-axial heat exchangers are more tolerant to freeze rupture. See Figure 11 for co-axial water coil.

Compressor and Co-axial Coil Isolation: 1/2 to 5 ton

Vibration isolation of the compressor and co-axial water coil is accomplished by increasing the rigidity and stiffness at the base. The platform provides double isolation to the compressor and single isolation to the co-axial water coil for additional attenuation during compres- sor start and stop.

Water Connections: 1/2 to 5-ton

The water-in/water-out connections to the co-axial water coil are located on the right-hand chamfered corner of the unit. The fittings are mounted flush to the chamfered wall to help limit shipping damage.

The water connection devices are con- structed of copper or bronze material and include a National Female Pipe

Thread (NFPT) junction. The connections are attached to the unit’s chamfer corner to alleviate the need for a back-up wrench during installation. See Figure 12 for water connection device.

Water Connections: 6 to 20-ton

Water hookups for the 6 through 20 ton units are located internal to the equip- ment to help alleviate damage to the water copper during shipment or job storage of units prior to installation. Each unit (although dual circuited) con- tains a single supply and return water connection. See Figure 13 for large ton- nage water hook-up, model GEV. Fittings for the supply and return are internally threaded.

Expansion Valve

All Trane water-source systems include an expansion valve flow metering device. This thermal expansion valve (TXV) allows the unit to operate with an entering fluid temperature from 25 F (3.9

C)to 110 F (43 C), and entering air tem- peratures from 40 F (4.4 C) to 90 F (32 C). The valve is designed to meter refriger- ant flow through the circuitry to achieve desired heating or cooling.

The expansion valve device allows the exact amount of refrigerant required to meet the coil load demands. This precise metering by the TXV increases the effi- ciency of the unit.

Reversing Valve

A system reversing valve (4-way valve) is included with all heating/cooling units. This valve is piped to be energized in the cooling mode to allow the system to provide heat if valve failure were to occur. Once the valve is energized for cooling, it will remain energized until the control system is turned to the OFF posi- tion, or a heating cycle is initiated.

Units with the cooling only option will not receive a reversing valve.

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Contents WSHP-PRC003-EN Introduction Contents Model Number Digits 1-3 Unit ConfigurationTable G1 General Data GEH 006 to General DataTable G2 General Data GEH 024 to Table G3 General Data GEH 060 toTable G5 General Data GEV 024 to Table G4 General Data GEV 006 toTable G6 General Data GEV 048 to 024 030 036 040 042Table G8 General Data GEH Table G7 General Data GEV 072 to072 090 120 150 180 240Table G9 GEH/GEV Air-to-Refrigerant CoilsTable G17 GEH/GEV 060 2-compr. circuit Design Advantages Features and BenefitsGEH 1/2 to 5-Ton Cabinet GEV 1/2 to 5-Ton CabinetGEH/GEV 6 to 20-Ton Cabinet Features BenefitsAirflow Options 1/2 to 5 ton Airflow Options 6 to 20-tonHanging Device 1/2 to 5-ton Access Panels 12-1/2 to 20-tonHanging Device 6 to 12-1/2-ton Drain PanCo-axial Water-to-Refrigerant Coil Schrader Connections 1/2 to 5-tonCompressor and Co-axial Coil Isolation 1/2 to 5 ton Water Connections 1/2 to 5-tonBlower Motor 1/2 to 5 ton Blower HousingBlower Motor 6 to 20 ton Air-Side FilterWaterside Economizer option Boilerless Control/Electric Heat optionCommon Reheat Applications Hot Gas Reheat optionProper Hot Gas Design Controls by Trane ControlsBasic Controls Safety DevicesBasic 24 Volt Controls Stand-alone SystemDeluxe 24V Electronic Controls Deluxe ControlsSmall Building Control Anti-short Cycle Timer Deluxe 24V features include Random StartCompressor Disable Safety ControlTracer ZN510 & ZN524 Controls ZN510 & ZN524 ControlsDirect Digital Controls Waterside Economizer Entering Water Temperature SamplingWater Isolation Valves Building Control Advantages Tracer ZN controller system installationHanging the Horizontal Application ConsiderationsHanging Devices and Duct Attachments Condensate Traps Condensate trap installation40 F/ 4 C may require antifreeze in the water loop Distributed Pumping SystemService Access Installation Made Easy

Model 180 GEV, 120 GEH, Model 012 GEH specifications

Trane, a leading name in HVAC (heating, ventilation, and air conditioning) systems, offers a diverse range of models designed to cater to different cooling needs. Among its notable products are the Trane Model 180 GEV, Model 120 GEH, and Model 012 GEH. Each of these units incorporates advanced technologies and features aimed at enhancing efficiency, durability, and overall performance.

The Trane Model 180 GEV is engineered for high-performance cooling and heating applications. One of its standout features is the variable-speed compressor, which allows for precise temperature control and significant energy savings. This model also integrates advanced inverter technology that optimizes energy consumption based on the load. The robust design of the unit ensures reliability even under extreme weather conditions, making it a favored choice for commercial and industrial sectors.

In contrast, the Trane Model 120 GEH is a versatile solution that focuses on efficiency and adaptability. This model is equipped with Trane’s exclusive Climatuff compressor technology, which enhances the reliability and longevity of the system. The Model 120 GEH also includes a user-friendly touchscreen interface, allowing for convenient adjustments and monitoring of the system's performance. Enhanced filtration systems contribute to improved indoor air quality, which is a critical factor for many users.

The Trane Model 012 GEH is designed for smaller spaces but does not compromise on performance. This compact unit boasts energy-efficient operation and is equipped with Trane’s proprietary Air-Cooled Scroll Compressors that enhance its cooling capacity while maintaining low operational noise levels. Its sleek design allows for easy installation in various settings, including residential areas. The Model 012 GEH also features enhanced reliability through its robust materials, ensuring that it can withstand varying environmental conditions.

All three models emphasize Trane’s commitment to sustainability and energy efficiency. With the incorporation of eco-friendly refrigerants and advanced heat exchange technologies, users can enjoy superior cooling performance while minimizing their environmental impact. Moreover, these models are backed by Trane’s comprehensive support, providing customers with peace of mind through warranties and service options.

In summary, Trane's Model 180 GEV, Model 120 GEH, and Model 012 GEH are exemplars of modern HVAC technology, offering various features tailored to meet specific cooling and heating requirements. Each model stands out for its unique capabilities, efficient operation, and robust design, reaffirming Trane's position as a trusted leader in the HVAC industry.
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