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AUXILIARY
CONTROLS
WALL
THERMOSTAT
TERMINAL
IMPORTANT:
Only
trained,
qualified
personnel
should
access
electrical
panel
on
unit
and
install
electrical
accessories.
Please
contact
your
local
electrical
contractor,
dealer,
or
distributor
for
assistance.
Thermostat
Wire
Routing
Thermostat
wire
is
field
supplied.
Recommended
wire
gauge
is
18
to
20
gauge
solid
thermostat
wire.
NOTE:
It
is
recommended
that
extra
wires
are
run
to
unit
in
case
any
are
damaged
during
installation.
Thermostat
wire
should
always
be
routed
around
or
under,
NEVER
through,
the
wall
sleeve.
The
wire
should
then
be
routed
behind
the
front
panel
to
the
easily
accessible
terminal
connector.
Z
—
THERMOSTAT
WIRE
ROUTING
(UNDER
SLEEVE,
BEHIND
FRONT
PANEL)
Fig.
21
—
Proper
Wire
Routing Beneath
Unit
Wiring
Thermostat
To
Unit
Wire
wall
thermostat
input
as
defined
in
Fig.
25.
NOTE:
Terminal
connector
can
be
removed
and
replaced
to
simplify
the
wiring.
NOTE:
For
heat
pump
models,
anytime
there
is
a
second-stage
call
for
heating
from
the
wall
thermostat,
the
unit will
automatically
switch
over
to
electric
heating.
Fig.
22
—
Terminal
Connector
Removal
and
Replacement
Install
Thermostat
Wiring
1.
Check
to
be
sure
power
to
unit
is
disconnected.
2.
Pull
terminal
connector
to
remove
NOTE:
Terminal
connector
can
be
removed
and
replaced
to
simplify
thermostat
wiring.
3.
Connect
wires
from
the
thermostat
to
terminals
on
unit
terminal
connector.
4.
Reinstall
terminal
connector.
5.
Ensure
that
unit
is
configured
for
wall
thermostat
enable.
(Dip
Switch
2
-
UP)
6.
Replace
control
panel
label
with
wall
thermostat
label.
See
Fig.
23.
7.
Restore
power
to
unit.
WALL
THERMOSTAT
COMFORT
©
Fig.
23
—
Wall
Thermostat
Control
Panel
Label
NOTE:
Refer
to
thermostat
installation
instructions
for
details
on
installing
wall
thermostat.
NOTE:
For
thermostats
that
have
only
one
fan
speed
output
(on
or
auto),
the
fan
speed
is
determined
by
how
the
terminal
connector
is
wired.
If
Low
fan
is
desired,
wire
the
G
output
from
the
thermostat
to
GL
on
the
unit’s
terminal
block.
If
Hi
fan
is
desired,
wire
the
G
output
from
the
thermostat
to
GH
on
the
unit’s
terminal
block.
NOTE:
After
proper
installation,
if
your
thermostat
is
not
working
properly,
refer
to
the
Trouble
Shooting
section.
13
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