![Johnson Controls Penn System 450 Series Скачать руководство пользователя страница 31](http://html1.mh-extra.com/html/johnson-controls/penn-system-450-series/penn-system-450-series_technical-bulletin_2023540031.webp)
System 450™ Series Modular Control Systems with Standard Control Modules Technical Bulletin
31
Figure 12: Main, System Status, and Setup Screens For a Solar Water Heating
Control System Example That Uses the Differential Control Feature
FIG
:m
en
u_
flo
w_
so
la
r_
dif
fe
ren
tia
l
So
la
r P
an
el
S
en
so
r 1
S
ta
tu
s
Se
ns
or
S
et
up
Sc
re
en
s
Sy
st
em
S
ta
tu
s
Sc
re
en
s
M
ai
n
Sc
re
en
s
(S
en
so
r S
ta
tu
s)
R
el
ay
O
ut
pu
t 3
R
oo
m
T
em
pe
ra
tu
re
C
irc
ul
at
io
n
Pu
m
p
Se
tu
p
Sc
re
en
s
°F
2
°F
2
O
N
3
R
el
ay
O
ut
pu
t 1
So
la
r P
an
el
C
irc
ul
at
io
n
Pu
m
p
Se
tu
p
Sc
re
en
s
R
el
ay
O
ut
pu
t 2
So
la
r W
at
er
S
to
ra
ge
Te
m
pe
ra
tu
re
In
te
rlo
ck
R
el
ay
S
et
up
S
cr
ee
ns
°F
1
°F
3
M
ai
n
Sc
re
en
s
Au
to
-S
cr
ol
l
Th
ro
ug
h
th
e
S
en
so
r S
ta
tu
se
s
D
ur
in
g
N
or
m
al
O
pe
ra
tio
n
R
oo
m
C
on
tro
l
Se
ns
or
3
St
at
us
°F
3
O
U
T
3
D
IfT
1
D
IfT
°F
1
+
5
se
co
nd
s
Pr
es
s