YASKAWA HV600 Installation & Startup page 162

Ac drive bypass for hvac fan and pump applications
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6.4 Common Bypass Specifications
Item
Heatsink Overheat
The bypass stops when the thermistor detects an IGBT temperature more than approximately 100 °C (212 °F). The trip temperature level is different for
Protection
different models.
(Drive Mode)
Stall Prevention
Stall prevention is available during acceleration, deceleration, and during run.
(Drive Mode)
Electronic circuit protection
Ground Fault
Note:
Protection
This protection detects ground faults during run. The bypass will not provide protection when:
(Drive Mode)
• There is a low-resistance ground fault for the motor cable or terminal block
• Energizing the bypass when there is a ground fault.
DC Bus Charge LED
Charge LED illuminates when DC bus voltage is more than 50 V.
(Drive Mode)
Item
Area of Use
Indoors
IP20/UL Type 1: -10 °C to +40 °C (14 °F to 104 °F)
Ambient Temperature
Setting
• Do not let the bypass freeze.
95% RH or less
Humidity
Do not let condensation form on the bypass.
Storage Temperature
-20 °C to +70 °C (-40 °F to +158 °F) (short-term temperature during transportation)
Pollution degree 2 or less
Install the bypass in an area without:
• Oil mist, corrosive or flammable gas, or dust
• Metal powder, oil, water, or other unwanted materials
Surrounding Area
• Radioactive materials or flammable materials, including wood
• Harmful gas or fluids
• Salt
• Direct sunlight
1000 m (3281 ft) maximum
Note:
Derate the output current by 1% for each 100 m (328 ft) to install the bypass in altitudes between 1000 m to 4000 m (3281 ft to 13123 ft).
Altitude
It is not necessary to derate the rated voltage in these conditions:
• When you install the bypass at 2000 m (6562 ft) or lower
• When you install the bypass between 2000 m to 4000 m (6562 ft to 13123 ft) and ground the neutral point on the power supply.
• 10 Hz to 20 Hz: 1 G (9.8 m/s
• 20 Hz to 55 Hz:
Vibration
D002 to D030, A002 to A028, B001 to B034: 0.6 G (5.9 m/s
D046 to D273, A042 to A248, B040 to B302: 0.2 G (1.96 m/s
Installation
Install the bypass vertically for sufficient airflow to cool the bypass.
Orientation
Item
c-UL-us
UL 508A
Item
Protection Design
IP20/UL Type 1
162
Table 6.7 Environment
2
, 32.15 ft/s
2
)
2
, 19.36 ft/s
2
, 6.43 ft/s
Table 6.8 Certifications and Standard Compliance
Table 6.9 Enclosure Ratings
YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation & Startup
Specification
Specification
2
)
2
)
Specification
Specification

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