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CONFIGURE MENU
MENU ITEM
Monitor/
Controller
SOFTWARE
NAME
ITEM DESCRIPTION
ITEM RANGE
DEFAULT
VALUE
SETBACK
CONTROL MODE
FHC50 Only
SETB CTRL
MODE
The
SETB CTRL MODE
item selects the measurement on
which the control function is based during
SETBACK
(Unoccupied) Mode.
If this item is set to:
VelSidewall
The controller will control face velocity using a
sidewall sensor.
VelSashPos
The controller will control face velocity using a
sash sensor and venturi valve with LOM
feedback.
Sash
The controller will control face velocity using
both the sash sensor with LOM feedback and a
sidewall sensor.
Flow
The controller will control flow using the flow
device (see menu item
FLOW DEVICE
).
FixedPos
The controller will hold the damper or venturi
valve at a fixed percentage at all times during
SETBACK
Mode, while ignoring the measured
face velocity or flow for control purposes. All
SETBACK
-related alarms are still active with
this configuration, unless set to
OFF
.
NOTE:
To shutdown a fume hood with the Model FHC50
controller, set the
SETB CTRL MODE
item to
FixedPos
and the
SETBACK POS
item to 0%.
VelSidewall
VelSashPos
Sash
Flow
FixedPos
VelSideWall
VELOCITY
SENSOR
FHM10 and FHC50
VEL SENSOR The
VEL SENSOR
item shows if the velocity sensor input is
enabled. If this item shows
Enabled
, then the controller will look
for and use an installed sidewall sensor. If this item shows
Disabled
, the controller will not look for or use an installed
sidewall sensor.
Enabled
Or
Disabled
None
(Read-only value)
Summary of Contents for FHC50
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Page 98: ...Appendix C 90 Figure 7 Wiring Diagram Model FHC50 01 Controller ...
Page 99: ...Wiring Information 91 Figure 8 Wiring Diagram Model FHC50 02 Controller ...
Page 100: ...Appendix C 92 Figure 9 Wiring Diagram Model FHC50 03 Controller ...
Page 101: ...Wiring Information 93 Figure 10 Wiring Diagram Model FHC50 04 Controller ...
Page 102: ...Appendix C 94 Figure 11 Model FHM10 01 Monitor Wiring ...
Page 103: ...Wiring Information 95 Figure 12 Model FHM10 02 Monitor Wiring ...
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