Trane UH-SVX01A-EN manual Maintenance, Additional P Model Instructions, Fan and Motor Assembly

Page 56

Maintenance

Table 42. Troubleshooting Guide

Symptoms

 

Possible Cause(s)

 

Corrective Action

 

 

 

 

A. Leaking coil

1. Frozen coil.

1.

Replace.

 

2.

Defective coil.

2.

Replace.

 

3.

Corrosion.

3.

Replace

 

4.

Leak in joint.

4.

Braze joint if joint is exposed where leak has

 

 

 

occurred.

 

 

 

 

B. Poor output on steam

1. Check for air in coil.

1.

Repair or replace thermostatic air vent.

 

2.

Lint on coil fins

2.

Clean coil and fins. Check filter and clean.

 

 

 

 

C. Poor output on steam or hot water

1. No circulation of water through coil.

1.

Check circulation pump. Check for blocked tubes.

 

2.

Short cycling of motor.

2.

Check voltage and correct. Check for linted coil and

 

3.

Backward rotating motor.

clean. Check for defective overload and repair or replace

 

 

 

motor.

 

 

 

3. On single phase motor replace motor. On three phase

 

 

 

motor, reverse two leads to change rotation.

 

 

 

 

D. Noisy or vibrating unit

1. Damaged fan blade.

1.

Change fan blade.

 

2.

Dirty fan blade.

2.

Clean fan blade.

 

 

 

 

 

Table 43. Unit Equipment Start-Up

Customer____________________________________________

Job Name & Number___________________________________

Pre-Inspection Information (with power off)

Type of equipment: Unit Heater

Serial Number________________________________________

Model Number________________________________________

 

 

Name Plate Voltage___________________________________

Name Plate Amperage_________________________________

 

 

Steam______________________________________________

Hotwater____________________________________________

 

 

 

 

Questions/Checklist

 

 

 

Are all panels in place?

Has the unit suffered any external damage? If so, what:____________________________________________________________

Does the piping and electric wiring appear to be installed in a professional manner?

Has the piping and electric been inspected by the local authority having jurisdiction?

Is the supply properly sized for the equipment?

Were the installation instructions followed when the equipment was installed?

Have all field installed controls been installed?

Do you understand all the controls on this equipment?

Additional "P" Model

Instructions

Fan and Motor Assembly

For cleaning or maintenance purposes, the fan and motor assembly may be removed easily from the Unit Heater. The motor is attached to the fan guard which is, in turn, mounted to the top or back panel of the unit as shown in Figure 58.

On Vertical Units, reach up through the fan and remove the fan guard mounting screws. Lower the motor, fan and fan guard assembly down through the fan outlet. If desired, the top and bottom panels may be removed from the coil by taking out

the four panel mounting bolts. See Figure 58.

Top

Panel

Bottom

Panel

Figure 58. Cross Section View

Fan Guard Mounting Screws

Panel Mounting Bolts

56

UH-SVX01A-EN

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Contents Unit Heaters Preface and Warnings and Cautions Hazard IdentificationContents Description Service Model Number DescriptionModel Number Description Model Number Description Digit 8-VOLTAGELocation Model Maximum Mounting HT Approx. MaxThrow ft m 300 360Location Four Point Suspension-Shelf Mounted Motors OnlyForced HOT Water Forced HOT Water High Pressure Steam LOW Pressure Steam Gravity LOW Pressure Vapor or Vacuum Installation Periodic Service Heavy ObjectsLifting/Suspension Methods Structural IntegrityInstallation Unit Size Steam Pressure PSI17.5 = Low Speed = Low output model with all air ports openMaximum Spread Steam Pressure PSI Unit SizeModel No Spread ft mDiffuser Cone See a See B Standard Low Output Model Ft mTemperature Steam TemperatureWater PressurePiping Installation Installation S Type Unit Mounting Heavy ObjectsFan Guard/Louver Installation Louver Cone DiffuserVertical Unit with Louver Cone Diffuser Vertical Unit with Osha Fan GuardDimensional Data Dimensional Data P ModelModels Unit Capacity MBH Fan Dia MinDimensional Data Models Roughing in Dimensional Data Model SizeUnit Capacity Fan MBHDimensional Data S Model InchesNO. NOM. FAN DIAM. inches Ship WT. lbsHeader Type Models 18 thru Header Models NOM FAN Approx Diam ShipTechnical Data Technical Data S ModelsCorrections When Using Glycol Solution in System Approximate factors at varying altitudesCategory of Area Sound Rating Technical DataTechnical Data P Model Options Options S ModelsVertical Louver Cone Diffuser optional OptionsOptions P Models Thermostat Wiring and Location Electrical ConnectionsElectrical Connections P Model Hazardous Voltage OperationElectrical Connections Fan Motor Connections Low Voltage CCW Internal MarathonWiring Installation P Model Speed Controller with Manual Starting SwitchManual Control with Three Phase Motor Electrical Connections S Model Hazardous VoltageWiring Installation S Model Electrical Connections Motor Data Motor Data P Models Voltage SelectionsStandard Totally Enclosed Motor Type MT=1 AMP MCA MOP RPMMotor Data Explosion Proof with Thermal Overload Motor Type MT=2Unit Model 1145Totally Enclosed Motor Type Explosion Proof with Thermal Overload Motor TypeSteam Performance Data Model S Header Type OnlyOutput BTUSteam Performance Data Steam Calculations and Correction FactorsProperties of Saturated Steam Model P Standard UnitsSteam Pressure in Psig kPa Kg/hr Sq. mLow Output Standard Vertical Units with All Air Ports Open 037Steam Calculations and Correction Factors P Style Steam Correction Factors Based on 2 LBS. Steam 60 E.A.TEntering Steam Pressure LBS. PER SQ. IN. Saturated AIR Temp 13.8 34.5 68.9 103.4 137.9 206.8 275.8 344.7 517.1Hot Water Performance Data Model S Serpentine and Header TypeBTU/HR CFM FPMHot Water Performance Data Hot Water Calculations and Correction Factors S TypeIV. Capacity AT Other Rates Water FlowEntering Entering Water Temperature F C AIR Minimum Water FlowHeating Capacity Factors for Various Rates of Water Flow TemperatType Standard Output Units CFM117.6 24.24 108.8 34.5 529 318 42.7 720 152.2 37611,000 2250 237 1165 133 11.430 470.9 32.35 138.0 041Hot Water Performance Data HOT Water Calculations and Correction Factor P Style Capacity @ 20 TDII. Capacity AT Other TDs IV. Pressure Loss AT Other TDsMinimum Water Flow GPM 10 6 15 8 20Maintenance Periodic Service Hazardous VoltageCleaning the Unit Rotating ComponentsMaintenance Fan and Motor AssemblyTroubleshooting Guide Additional P Model InstructionsLimited Warranty P Model Warranty InfoLimited Warranty S Model Warranty Info Page Trane

UH-SVX01A-EN specifications

The Trane UH-SVX01A-EN is an advanced unit ventilator designed to provide efficient and reliable heating, cooling, and ventilation in various commercial and educational applications. This unit is particularly engineered for use in schools, offices, and healthcare facilities, ensuring optimal indoor air quality while maintaining energy efficiency.

One of the main features of the UH-SVX01A-EN is its innovative design that incorporates cutting-edge technologies for enhanced performance. The unit is equipped with a high-efficiency fan and motor system that operates quietly while delivering consistent airflow. This ensures a comfortable environment for occupants without the disruptive noise common in traditional ventilation systems.

Another standout characteristic of the UH-SVX01A-EN is its versatility. It offers multiple configuration options, allowing it to be tailored to meet specific building requirements and occupant needs. The unit can be integrated with various control systems, including advanced building management systems, which provide precise temperature control and enhance energy savings.

The use of variable air volume technology allows the UH-SVX01A-EN to adjust airflow rates based on real-time occupancy and environmental conditions. This intelligent airflow management not only improves comfort but also significantly reduces energy consumption, aligning with sustainable building practices.

Additionally, Trane has incorporated a range of filtration options within the unit, which contribute to improved indoor air quality by capturing dust, allergens, and other airborne particulates. This makes the UH-SVX01A-EN an ideal choice for settings where air purity is paramount, such as healthcare environments.

Maintenance of the UH-SVX01A-EN is also user-friendly, with easy access to key components for servicing and inspections. Trane's commitment to reliability and efficiency is manifested in the durable materials and construction of this unit, ensuring longevity and lower lifetime operational costs.

In summary, the Trane UH-SVX01A-EN combines advanced technology, versatile configurations, and a focus on energy efficiency and indoor air quality. This unit ventilator is designed to meet the demands of modern buildings while supporting environmental sustainability initiatives. With its robust features and flexible integration options, the UH-SVX01A-EN stands out as a reliable solution for any commercial heating, cooling, and ventilation needs.
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