Emerson Vission Manual de Serviço descarregar pdf (Página 54)

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Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0

Section 6 • Compressor Control

Figure 6-11. Compressor Control Screen - Misc. 2 (Economizer & Hot Gas Bypass Control)

Capacity Slide Triggered Outputs

The Vission 20/20 offers two digital outputs that can be

triggered at a speciﬁ ed capacity slide position. By de-

fault, the outputs are preselected for economizer and

hot gas bypass. However, these preselected outputs are

customizable by the operator, see Figure 6-11.

Slide Valve Setpoint:

• Operator editable labels for the each output. Only

Economizer Port 2 Label is non-editable.

Slide %:

• Indicates the capacity slide position where the digital

output is triggered.

State Below Setpoint:

• Deﬁ nes the state of the digital output when the slide

position is below the “Slide %” setpoint. The operator

can choose between “N.O.” or “N.C.”. This setpoint

is not available for Economizer Port 2, so Economizer

Port 2 follows the setpoint of Economizer Port 1.

Active:

• Check box to enable the digital output. There is no

check box for enabling Economizer Port 2 digital

output. Economizer Port 2 digital output is enabled

when Compressor type selected from conﬁ guration

screen is “VSM7” and Economizer Port 1 digital out-

put is enabled.

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Emerson Vission Manual de Serviço Página 54