Trane Performance Air Handlers Manual de instalación Pagina 77
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CAH-SVX01B-EN 77
Start-Up
Unit Operation
WARNING
Rotating Components!
During installation, testing, servicing and troubleshooting of this product it may be necessary to
measure the speed of rotating components. Have a qualified or licensed service individual who
has been properly trained in handling exposed rotating components, perform these tasks.
Failure to follow all safety precautions when exposed to rotating components could result in
death or serious injury.
WARNING
Live Electrical Components!
During installation, testing, servicing and troubleshooting of this product, it may be necessary
to work with live electrical components. Have a qualified licensed electrician or other individual
who has been properly trained in handling live electrical components perform these tasks.
Failure to follow all electrical safety precautions when exposed to live electrical components
could result in death or serious injury.
Before complete startup, bump-start the unit and confirm the fan wheel rotates properly, as
indicated by the rotation arrow located on the fan housing. After initial startup:
• Calculate the motor voltage imbalance, notifying the power company to correct unacceptable
imbalances.
• Periodically check the fan belt tension.
Calculate Motor Voltage Imbalance
After startup, measure the motor voltage and amperage on all phases to ensure proper operation.
The readings should fall within the range given on the motor nameplate. The maximum allowable
voltage imbalance is 2 percent.
Voltage imbalance is defined as 100 times the sum of the absolute deviation of the three voltages
from the average, divided by twice the average voltage. For example, if the three measured
voltages are 221, 230 and 227, the average voltage would be 226 volts. The percent of voltage
imbalance is then calculated:
Voltage imbalance =
where:
A = (226-221) + (230-226) + (227-226)
Voltage imbalance = 2.2% (not acceptable)
In the example, 2.2 percent imbalance is not acceptable and the power company should be notified
to correct it.
100A
2
AvgVoltage×
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- Custom Climate Changer™ 1
- Air Handlers 1
- WARNING 2
- WARNING 3
- Table of Contents 4
- CAH-SVX01B-EN 5 5
- 6 CAH-SVX01B-EN 6
- CAH-SVX01B-EN 7 7
- General Information 8
- Pre-Installation Requirements 10
- Resolving Shipping Damage 11
- Storage Recommendations 11
- Preparing the Unit Site 12
- Roof Curb Structurally Sound 13
- Suggested Tools 14
- Installation - Mechanical 15
- Lifting Considerations 16
- Unit Assembly 17
- TCP Standard Roof Curb 18
- TCP Flat Concrete Pad 20
- TCP Wall Section Assembly 25
- TCP Stacked Unit Assembly 31
- Remove shipping blocks 33
- Butyl tape 34
- Insert hardware in each hole 34
- Rod threaded 35
- 62-11x13.38, THD 35
- Lockwasher .625 35
- Nut 62-11 35
- Washer .563 ID x 1.375 OD 36
- Bolt .500-13 x 3.500 Hex 36
- Nut .500-13 Hex Mach 36
- TCC Stacking Procedure 40
- Pipe Cabinet Installation 43
- Duct Connections 46
- Isolator Adjustment 48
- Side Load Filters 50
- 2-inch or 4-inch flat filters 50
- Bag or Cartridge Filters 51
- Outdoor Unit Weather Hood(s) 52
- Coil Piping and Connections 53
- Steam Coil Piping 56
- Breaker Cracking Pressure! 57
- Coil Condensate! 57
- Water Coil Piping 58
- Refrigerant Coil Piping 60
- Valve Damage! 62
- Suction Lines 62
- Installation - Electrical 69
- Penetration Leaks! 71
- Quick Connects 72
- Controls Interface 73
- External Communications Port 74
- Start-Up 75
- Coil-Related Checks 76
- Proper Water Treatment! 76
- Motor-Related Checks 76
- Voltage imbalance = 77
- AvgVoltage× 77
- Tension the Fan Belt 78
- Belt Tension! 78
- Determine Fan Speed 79
- Align Fan and Motor Sheaves 80
- Check Multiple Belts 80
- Traq™ Dampers 81
- Transmitter Sizing 82
- Transmitter Calibration 83
- Constant Factor K 83
- Microbial Growth! 84
- Routine Maintenance 85
- Fan Bearing Lubrication 89
- Bearing Failure! 89
- Bearing Set Screw Alignment 89
- Coil Winterization 93
- CAUTION 97
- Troubleshooting 98
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