Greenheck Vari-Flow Air Management Systems (472966) User Manual
Page 11

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.