-
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Lever
Vent
Control
Vent
Control
Vent Control Lever
4. Rotate the vent control lever
to
either open or dose the
damper.
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Vent
Vent
Open
Closed
Vent Door Lever Positions
Hydronic Heat Installations
To avoid the risk
of
freezing the steam
or
water coil during
prolonged shut down periods, the vent door must
be
left
closed
when the outdoor temperature might faU below freezing.
AIR
DISCHARGE
GRILLE
The discharge grille
can
be
adjusted
to
expel
air
at
either a 15'
or 40· angle.
15%
Discharge'
Air
Use
the following procedure
to
change the angle
of
the discharge
air
flow:
1.
Remove
the
front
cabinet
(see
Front
Removal).
2.
Position the
front
so
that
the backside is accessible.
Discharge Air Flow
3.
Remove
the four
(4)
screws
which
secure
the discharge
air
grille
to
the cabinet front.
Location of
-4
Screws
Discharge Air Flow Grille Removal
4.
Rotate the grille 180· clockwise.
5.
Reinstall the screws securing the discharge air grille
to
the
cabinet front. Reinstall the cabinet front
on
the unit.
REMOTE
THERMOSTAT
To operate this
unit
with
a "manufacturer-approved" remote
thermostat, configure the control
to
be operated
by
the remote
thermostat. Enter configuration mode
C1
and
then select option
Code
l5
(see Configuration Settings in back
of
manual).
When
in the remote mode, the
unit
will
only respond
to
the thermostat
inputs (terminal
strip
positions
Gl
(or
GH),
W2,
Y /W1,
and
B*
shown
in "Control Board
User
Inputs" illustration).
NOTE:
Once
configuration
C1
with
option code
l5
has
been
selected, the
control touchpad
will
no
longer accept inputs other than configu-
ration and diagnostics modes. The room occupant must operate
the
unit
at
the remote mounted thermostat.
NOTE:
In remote mode, the 3-minutecompressor time delay, the
random restart feature
and
the freeze protection feature are all
active
(see
Unit Features section).
THERMOSTAT
LOCATION
This
unit
is designed
to
be
operated
with
remote wall mounted
thermostats. For
further
information on thermostats approved
for
use
with
this
unit,
contact your
sales
representative.
For
best performance results,
the
thermostat should be located
approximately five
feet
above the floor
on
a vibration free,
inside
wall
in
an
area
with
good
air circulation.
Discharge Grille Orientation Options
10
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