10
Freezestat
Freezestat
Freezestat
Freezestat
––––
Includes
a
leaving
water
temperature
sensor
wired
to
the
microprocessor
board.
If
the
water
drops
below
the set
point,
the
unit
will
lockout.
See
the
wiring
diagrams
on
the
previous
pages
for
wiring
details.
DDC
DDC
DDC
DDC
Controls
Controls
Controls
Controls
––––
Includes
a
hinged
sheet
metal
enclosure
on the
electrical
corner
panel
to
house
the
DDC
unit
controller.
The controller
may
be
furnished
by
Johnson
Controls,
Honeywell,
Invensys,
Siebe,
Delta,
Andover,
TAC,
Wattmaster,
Circon,
Staefa;
et
al.
Includes
a
reversing
valve
changeover
relay.
Third
Third
Third
Third
Service
Service
Service
Service
Port
Port
Port
Port
––––
Includes
an
extra
Shrader
tap
located
between
the
reversing
valve
and
water-to-refrigerant
coaxial
heat
exchanger
to
allow
for
measurement
of
head
pressure
in
the
cooling
mode
and
suction
pressure
in
the
heating
mode
for field-connection
of
a
dual-acting
water
regulating
valve.
The
tap
is
labeled
and
capped.
Motorized
Motorized
Motorized
Motorized
V
VV
Valve
alve
alve
alve
––––
includes
a
2-position,
spring
return,
normally
open
water
valve
in
the
entering
water
line.
If
the
compressor
is
on,
the
valve
is
open.
On
loss
of
power,
the
valve
will
spring
open.
See
the
wiring
diagrams
on
the
previous
pages
for
wiring
details.
Sound
Sound
Sound
Sound
Packages
Packages
Packages
Packages
––––
Adds
additional
sound
absorbing
material
to
the
unit
casing.
Cupro
Cupro
Cupro
Cupro----nickel
nickel
nickel
nickel
Heat
Heat
Heat
Heat
Exchanger
Exchanger
Exchanger
Exchanger
––––
Replaces
the
standard
copper
inner
tube
of
the
water-to-refrigerant
coaxial
heat
exchanger
with
cupro-nickel
tube.
Down
Down
Down
Down
Filter
Filter
Filter
Filter
Access
Access
Access
Access
––––
Replaces
both
the
standard
top
and
bottom
filter
brackets
on
single
circuit
horizontal
units
with
spring
clips
connected
to
two
side
brackets
to
hold
the
filter.
Spread
the
clips
and
the
filter
is
removable
from
the
bottom.
(This
feature
is
standard
for
twin
circuit
horizontal
units.)
TTTTop
op
op
op
Filter
Filter
Filter
Filter
Access
Access
Access
Access
––––
Replaces
the
standard
top
filter
bracket
on
single
circuit
vertical
units
with
an
additional
bracket
on
the
side
to
allow
the
filter
to
be
removed
from
the
top.
Thermostat
Thermostat
Thermostat
Thermostat
Remote
Remote
Remote
Remote
Sensor
Sensor
Sensor
Sensor
––––
The specification of the
controller on the WL2006 package