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Greenheck Vari-Flow Air Management Systems (472966) User Manual

Page 11

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11

Vari-Flow Air Management System

®

Exhaust

Exhaust Fan Speed*

EF1 Speed

0-100%

-

Indicates the speed at which EF1 is running

EF2 Speed

0-100%

-

Indicates the speed at which EF2 is running

EF3 Speed

0-100%

-

Indicates the speed at which EF3 is running

EF4 Speed

0-100%

-

Indicates the speed at which EF4 is running

EF5 Speed

0-100%

-

Indicates the speed at which EF5 is running

EF Min. Fan Speed*

EF1 Min

0-100%

50%

Indicates the minimum fan speed to achieve
positive hood capture for EF1

EF2 Min

0-100%

50%

Indicates the minimum fan speed to achieve
positive hood capture for EF2

EF3 Min

0-100%

50%

Indicates the minimum fan speed to achieve
positive hood capture for EF3

EF4 Min

0-100%

50%

Indicates the minimum fan speed to achieve
positive hood capture for EF4

EF5 Min

0-100%

50%

Indicates the minimum fan speed to achieve
positive hood capture for EF5

Make-Up Air -

continued

Make-Up Air Set Point* Descriptors/Value Default Use

Min Speed Set

0-100%

50%

The minimum output control limit for the MUA
VFD or damper. Must be set to a value that
ensures proper design full flow CFM (Adjustable
from 0% to 100%)

Max Speed Set*

0-100%

100%

The maximum output control limit for the
MUA VFD or damper. Must be set to a value
that ensures proper design full flow CFM.
(Adjustable from 0% to 100%)

Tempering Set*

0-100%

66%

Minimum run percentage for the MUA when
heating or cooling is being used.

Tempering Status

On / Off

Off

Displays whether the MUA is heating or cooling

Fault Menu (No Settings)

Faults

System Fault

No/Yes

No

Indicates that there is a fault due to the
following:

Fire

No/Yes

No

Status of contact input from fire alarm system.
Closed contact allows the fan to run.

Temp Fail

No/Yes

No

Indicates that one of the temperature sensors
used to control the hood exhaust has failed.

Pressure Fail

No/Yes

No

Indicates that the pressure sensor has failed.

Exh VFD Fault

No/Yes

No

Status of exhaust fan VFD(s) fault contacts.
Open if failed.

MUA VFD Fault

No/Yes

No

Status of MUA fan VFD(s) fault contacts. Open
if failed.

* To see values, you need to log in.