22
VC
Series
Manual
Installa
Ɵ
on
of
Temperature
Controller
Controller
Loca
Ɵ
on
Cable
Lengths
and
Sizes
x
The
controller
should
be
out
of
reach
of
small
children.
x
Avoid
loca
Ɵ
ons
where
the
controller
may
become
hot
(near
the
oven
or
radiant
heater).
x
Avoid
loca
Ɵ
ons
in
direct
sunlight.
The
digital
display
may
be
di
ĸ
cult
to
read
in
direct
sunlight.
x
Avoid
loca
Ɵ
ons
where
the
temperature
controller
could
be
splashed
with
liquids.
x
Do
not
install
in
loca
Ɵ
ons
where
it
can
be
adjusted
by
the
public.
Indoor
models
have
their
controller
built
into
the
front
panel.
Addi
Ɵ
onal
controllers
can
be
installed.
The
cable
for
the
temperature
controller
should
be
a
non
Ͳ
polarized
two
Ͳ
core
cable
with
a
minimum
gauge
of
22
AWG.
The
maximum
cable
length
from
each
controller
to
the
water
heater
depends
on
the
total
number
of
wired
controllers
connected
to
the
water
heater.
Number
of
Wired
Controllers
Maximum
Cable
Length
for
each
Controller
to
Water
Heater
1
328
Ō
(100
m)
2
164
Ō
(50
m)
3
or
4*
65
Ō
(20
m)
Turn
the
power
o
ī
.
Do
not
a
Ʃ
empt
to
connect
the
temperature
controllers
with
the
power
on.
Although
the
controller
is
a
low
voltage
device,
there
is
120
volt
poten
Ɵ
al
next
to
the
temperature
controller
connec
Ɵ
ons
inside
the
unit.
Do
not
connect
the
temperature
controller
to
the
120VAC
terminals
provided
for
the
op
Ɵ
onal
solenoid
drain
valves.
WARNING
Con
fi
gura
Ɵ
ons
A
maximum
of
4
temperature
controllers
can
be
installed
for
a
water
heater
or
bank
of
water
heaters.
This
includes
the
controller
built
into
an
indoor
water
heater.
Controllers
can
only
be
wired
in
parallel.
Controllers
cannot
be
wired
in
series.
The
4
temperature
controllers
can
consist
of
mul
Ɵ
ple
MC
Ͳ
91
Ͳ
2
or
MCC
Ͳ
91
Ͳ
2
but
only
one
BC
Ͳ
100V
and
only
one
MC
Ͳ
100V.
The
clock
func
Ɵ
on
on
the
BC
Ͳ
100V
will
only
be
available
if
an
MC
Ͳ
100V
is
also
connected.
If
4
MC
Ͳ
91
Ͳ
2’s
are
installed,
simultaneously
press
the
Priority
and
On/O
ī
bu
Ʃ
ons
on
the
fourth
controller
un
Ɵ
l
a
beep
sounds.
Wire
controllers
in
parallel
Maximum 4 Controllers
Rinnai
Water
Heater
*
Only
3
addi
Ɵ
onal
controllers
can
be
wired
to
the
indoor
water
heater.
Summary of Contents for RL75e REU-VC2528WD(A)-US
Page 28: ...28 VC Series Manual Ladder Diagram...
Page 83: ...VC Series Manual 83...
