Trane Round In/Round Out Detailliste Seite 110

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Seitenansicht 109
110 VAV-PRC011M-EN
DDC Controls
Proportional Water Valve
The direct digital controller uses a time-based signal to drive the motor to its proper position. When
power is removed from the valve, it remains in its last controlled position.
Specifications
Valve Design:
Ball valve construction designed for chilled/hot water or water with up to 50% glycol
Temperature Limits
32 to 201°F (0 to 94°C) Fluid
23 to 122°F (-5 to 50°C) Ambient
Rated Body Pressure
300 psi (2.06 mPa)
Maximum Actuator Close-Off Pressure
60 psi (0.4 mPa)
Electrical Rating
Motor Voltage – 24 VAC, 50/60 Hz
Power Consumption – 3.0 VA at 24 VAC
Valve Offerings
All valves are proportional control with ½" (12.7 mm) O.D. NPT connections
Cv offered:
0.7
2.7
6.6
8.0
The proportional water valve is used to provide accurate control of a hot
water heating coil to help maintain a zone temperature setpoint. The valve
is a ball design and comes in available in four different flow capacities for
proper controllability. The valves are field-adjustable for use as a two- or
three-way configuration. The valves ship in a two-way configuration with a
plug that is installed loose in the bypass port. Conversion to three-way
operation is accomplished by removing the plug from the "B" port. The valve
actuator contains a three-wire synchronous motor.
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