98
18-CE03D1-1F-EN
S9V2-V
S
Exampl
e
s o
f System Statu
s
=
Idl
e
,
no
d
e
man
d
fo
r
co
oli
n
g,
h
e
a!
ng
,
or
fan
=
D
e
m
a
n
d
f
o
r
1
st
st
a
g
e
g
a
s
h
e
a
t
=
D
e
m
a
n
d
f
o
r
2
n
d
sta
g
e
g
a
s
h
ea
t
=
D
e
m
a
nd
for
1
st
stag
e
coo
li
ng
=
D
e
m
a
n
d
fo
r
2
n
d
st
a
g
e
cool
in
g
=
D
e
m
a
nd
fo
r
1
st
st
stag
e
h
e
at
p
um
p
=
D
e
m
a
n
d
f
o
r
2
n
d
st
a
g
e
he
a
t
pum
p
=
Dem
a
n
d
f
or
con!
n
uou
s
fan
=
Dem
a
n
d
f
or
ou
td
oor
u
n
it
d
e
frost,
furna
c
e
ru
nn
in
g
i
n
g
a
s
heat
mod
e
/
=
Ai
rfl
ow
r
eq
ues
t
is
f
o
r
8
0
0
c
fm
.
Airflow
d
isp
lay
is
rou
n
ded
d
own
to
the
near
est
10
cfm
NO
T
ES
:
(1)
T
h
e
me
n
u
statu
s
d
isp
lay
ed
is
so
lel
y
de
pend
e
nt
on
th
e
i
np
u
t
of
2
4V
A
C
th
at
is
appl
ie
d
to
the
lo
w
v
ol
ta
ge
t
er
m
in
a
l
st
ri
p.
(2)
The
statu
s
wil
l
alte
rnate
be
tw
e
e
n
the
syste
m
mod
e
an
d
th
e
ai
rfl
ow
req
u
es
t
e
v
e
ry
2
s
ec
o
n
ds
.
(3)
If
an
err
o
r
o
cc
u
rs
,
an
E
*.*
wi
ll
al
ter
nate
ly
flash
with
the
sys
tem
mod
e
a
nd
ai
rfl
o
w
re
q
uest.
S
e
e
first
e
x
am
p
le
(4)
Mu
l!
pl
y
th
e
v
alu
e
sh
own
b
y
10
fo
r
a
ctu
al
ai
rfl
ow
E
x
a
m
pl
e
8
0
0
C
F
M
Ex
a
m
p
le
1st
S
tage
Pr
essu
re
S
witch
E
rro
r
E
xam
p
le
Airflo
w
R
equ
e
sted
=
1
stag
e gas heat learnin
g r
o
u!ne
LR1
n
d
=
2
stag
e gas heat learni
ng r
o
u!n
e
LR2
