Accurex Vari-Flow Manual de instalación, uso y mantenimiento - Página 8

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Vari-Flow Connection Checklist

Power to Vari-Flow Cabinet

 C onnect 120 VAC power for controls

(terminals H, N)

 Connect 120 VAC power for hood lights

(terminals H1, N1)

 Connect lights

(terminals HL, N1)

Power to Variable Frequency Drive(s)

 Line power to VFD input terminals L1/L2/L3

 Load power from VFD output terminals T1/T2/T3

Fire System Interface

 M icroswitch Common and Normally Closed

(terminals 34, 35)

Temperature Sensors (installed in hood)

 Temperature Sensor T1 (terminals 16, 17)

*If more than one temperature sensor is used,

wire the following if applicable.

 Temperature Sensor T2 (terminals 18, 19)

 Temperature Sensor T3 (terminals 20, 21)

 Temperature Sensor T4 (terminals 22, 23)

 Temperature Sensor T5 (terminals 24, 25)

 Temperature Sensor T6 (terminals 26, 27)

 Temperature Sensor T7 (terminals 28, 29)

 Temperature Sensor T8 (terminals 30, 31)

Keypad - whether located on hood, hood cabinet, or

wall mounted.

 C onnect provided cable from keypad to

control cabinet.

Make-Up Air Interface

 2 4 VAC Run Enable (terminals 42, 43) to make-up

air (terminals 42, 43)*

 T empering Status (terminals 44, 45) to make-up

air (terminals 44, 45)*

 0 -10 VDC Speed Reference (terminals 46, 47) to

make-up air (terminals 46, 47)*

 If using pressure mode, run tubing to adjacent

room or outside.

*Terminal numbers for Accurex make-up air

units. If using alternate manufacturer's make-up

air unit, consult manufacturer for needed terminal

connections.

Shunt Trip (if used)

 N ormally open set of contacts to be used to shunt

appliances.

Grease Grabber H 2 O Interface (if used)

 G rease Grabber H2O / Vari-Flow interface

(terminals V1, VC)

 K eypad interface (terminals 1, 3, 5, 7, 10, 13 to

terminals 1, 3, 5, 7, 10, 13)

Vari-Flow Air Management System

Controller Setup

This section details the process of entering the setup

controls of the programmable logic controller(s)

(PLCs). The controllers are factory set with standard

default values which are shown in the controller

settings table on pages 9-12.

Within the programmable logic controller, factory

set points can be modified to configure the system

for specific functions if necessary. To modify the

parameters, refer to the steps provided.

For a complete list of all settings within the

Controller U1, please refer to the FX15 Vari-Flow

Controller Display tables on pages 9-12.

Controller U1

1. To view factory default settings for the controller,

scroll through the respective controller menus

using the up and down arrow buttons.

2. To modify settings for a Controller U1, press

the escape (ESC) button on the controller to

navigate to the "Accounts" menu and follow the

subsequent steps.

3. Press return while "Accounts" is displayed.

When "User: GFC" appears, press the return

button.

4. Enter the first character of the password

(password is 3637) by using the up and down

arrow buttons. When the appropriate value is

displayed, press return. Continue until the entire

four digit password has been entered.

5. Once the password has been successfully

entered, press ESC and the display will return to

the main menu. Continue to scroll through the

menus using the left and right arrow buttons,

enter a menu by pressing the return button.

Scroll within the menus using the up and down

arrow buttons.

6. To back out of any menu, press the escape (ESC)

button.

NOTE

Left

Right

Down

Return

ESC