Honeywell DHC, Руководство по обслуживанию, Страница: 51 / 262

SDC / DHC Operation
EN2H-0221GE51 R0812 51
29 C
har
ac
ter
is
ti
c
c
ur
v
e f
or
em
er
ge
nc
y
oper
at
ion
w
it
hout
out
s
ide s
ens
o
r
Offs
e
t s
e
tp
o
in
t fo
r
e
le
c
tr
ic
a
w
a
ter
heat
er H
eat
gene
rat
or
for
c
ed di
s
c
h
ar
ge
28 F
aul
t
m
e
m
or
y
2
S
wit
c
h
-on del
ay
f
o
r
el
ec
tr
ic
al
w
at
er
heat
er
C
ool
ing
tem
per
at
ur
e
of
m
ix
ed heat
in
g
c
ir
c
u
it
H
eat
ing c
ir
c
ui
t
mi
n
imu
m
tem
per
at
ur
e
l
im
it
s
wit
c
h
in
g
di
ff
er
ent
ial
27 H
eat
ing c
ir
cu
it
mi
n
imu
m
tem
per
at
ur
e l
im
it
26 R
oom
s
et
poi
n
t
ra
mp
R
oom
s
et
poi
n
t
ra
mp
B
as
e l
oad of
fs
et
25 Co
o
lin
g
s
wit
c
h
-on
tem
per
at
ur
e
H
ol
iday
c
ont
rol
m
ode
H
ol
iday
c
ont
rol
m
ode
O
ut
s
ide
tem
per
at
ur
e
di
s
abl
e
24 R
oom
c
ont
rol
T
n
R
oom
c
ont
rol
T
n
M
odul
at
ion of
s
ta
rt
pow
er
23 Loc
k
ing
c
ode f
or
oper
at
ing
l
ev
el
R
oom
c
ont
rol
C
-
fa
c
to
r
R
oom
c
ont
rol
C
-
fa
c
to
r
M
odul
at
ion of
s
ta
rt
tim
e
22 A
c
tuat
or
end
pos
it
ion
fu
n
c
ti
o
n
M
odul
at
ion of
runt
im
e
21 A
dj
us
tm
ent
of
t
he
real
t
im
e c
loc
k
(RT
C)
A
c
tuat
or
r
u
nt
im
e
M
odul
at
ion of
adj
us
tm
ent
t
im
e T
n
R
es
et
f
aul
t
m
es
s
ages
20 I-
par
t T
n
F
aul
t m
es
s
age 2
0
P
ar
am
et
er
Da
te
H
yd
rau
li
cs
S
yst
em
p
ar
am
et
er
H
o
t w
at
er
D
ir
ect
h
ea
ti
n
g
c
ir
c
u
it
M
ixed
h
ea
ti
n
g
ci
rcu
it
1/
2
H
eat
g
e
n
er
at
o
r
D
ist
ri
ct
h
e
at
in
g
R
et
u
rn
i
n
cr
ease
So
la
r
S
ol
id f
ue
l
B
u
ffe
r
Tot
a
l f
low
c
o
nt
rol
C
ascad
in
g
D
at
a b
u
s
R
el
ay t
es
t
F
au
lt
m
essag
es 1/
2
S
en
so
r cal
ib
rat
io
n
P
ro
g
ra
mmi
n
g
C
onf
igur
a
ti
on
C
onf
igur
a
ti
on
(h
ea
ti
n
g
ci
rcu
it
s,
c
ont
ro
l pa
ths
)
S
er
vi
ce f
u
n
ct
io
n
s