Honeywell DHC, Руководство по обслуживанию

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SDC / DHC Operation
EN2H-0221GE51 R0812 49
9 V
ar
iabl
e
input
2
C
lim
at
e z
one
T
em
pe
rat
u
re of
fs
e
t
of
heat
g
ener
a
tor
dur
ing ho
t-
w
a
ter
c
ir
c
ui
t l
oadi
ng
R
oom
t
he
rm
os
tat
func
ti
on
R
oom
t
he
rm
os
tat
func
ti
on
B
ur
ner
s
w
it
c
hi
ng
di
ff
er
ent
ial
I
I
S
tar
ti
ng
poi
nt
of
fle
x
ib
le
d
is
tr
ic
t
heat
ing r
et
ur
n
tem
per
at
ur
e
H
eat
bal
anc
e
B
uf
fer
di
s
c
ha
rge
pr
ot
ec
ti
on
Q
ui
c
k
hot
-w
at
er
c
onnec
ti
on
V
ar
iabl
e out
p
ut
2
te
st
F
aul
t m
es
s
age 9
S
ens
or
of
v
a
ri
abl
e
input
2
8 V
ar
iabl
e
input
1
D
em
and c
on
tac
t
m
odul
e f
o
r v
ar
ia
bl
e
input
3
T
ank
di
s
c
ha
rge
pr
ot
ec
ti
on
R
oom
f
ros
t
p
ro
te
c
tio
n
lim
it
R
oom
f
ros
t
p
ro
te
c
tio
n
lim
it
B
ur
ner
s
w
it
c
hi
ng
di
ff
er
ent
ial
I
M
ax
. r
et
ur
n
tem
per
at
ur
e
s
et
poi
nt
P
rio
rit
y
p
a
ra
lle
l
s
wit
c
h
-ov
er
B
u
ffe
r s
ta
rt
-up
pr
ot
ec
ti
on
S
wit
c
h
-ov
er
of
bas
e l
oad w
it
h
gr
oupi
ng
V
ar
iabl
e out
p
ut
1
te
st
F
aul
t m
es
s
age 8
S
ens
or
of
v
a
ri
abl
e
input
1
7 V
ar
iabl
e out
p
ut
2
D
em
and c
on
tac
t
m
odul
e f
o
r v
ar
ia
bl
e
input
2
Ho
t-
w
at
er
c
ir
c
ui
t
c
ont
rol
m
ode
He
a
tin
g
lim
it
He
a
tin
g
lim
it
Mi
n
imu
m b
u
rn
e
r
runt
im
e
R
unt
im
e
of
di
s
tr
ic
t
heat
ing
v
al
v
e 2
H
eat
gene
rat
or
cycl
e
d
isa
b
le
F
o
llo
w
-u
p
s
wit
c
h
-
of
f di
ff
er
ent
ial
P
eak
-l
oad s
tag
e
T
ank
l
oadi
n
g pu
m
p
te
st
F
aul
t m
es
s
age 7
B
uf
fer
s
ens
o
r of
c
ol
lec
tor
6 V
ar
iabl
e out
p
ut
1
D
em
and c
on
tac
t
m
odul
e f
o
r v
ar
ia
bl
e
input
1
M
ax
. t
em
per
at
ur
e
lim
it
f
o
r h
o
t-
w
a
ter
c
ir
c
u
it
S
ens
or
c
ont
rol
m
ode
R
unt
im
e
of
di
s
tr
ic
t
heat
ing
v
al
v
e 1
C
ont
rol
m
o
de
S
wit
c
h
-on
di
ff
er
ent
ial
ex
tens
ion
G
ui
danc
e s
ta
ge
M
ix
er
m
o
tor
2
tes
t
F
aul
t m
es
s
age 6
C
ol
lec
tor
s
ens
o
r
5 D
ir
ec
t heat
ing
c
ir
c
ui
t pum
p
out
pu
t
S
yst
e
m
f
ro
st
pr
ot
ec
ti
on
T
rans
d
uc
er
f
or
hot
-
wa
te
r c
ir
c
u
it
A
dj
us
tm
ent
t
im
e
B
uf
fer
m
ax
im
um
tem
per
at
ur
e
l
im
it
H
eat
gene
rat
or
cycl
e
d
isa
b
le
F
or
c
ed di
s
c
har
g
e
S
tage r
ev
e
rs
al
M
ix
ed heat
in
g
c
ir
c
ui
t pum
p
2 t
es
t
F
aul
t m
es
s
age 5
Mi
x
ed heat
in
g
c
ir
c
u
it
2
f
lo
w
s
ens
or
4 S
wit
c
h
-ov
er
M
ix
ed heat
in
g
c
ir
c
ui
t 2 out
put
S
u
m
m
e
r/
He
a
t lim
it
Legi
onel
la
pr
ot
ec
ti
on
tem
per
at
ur
e
R
oom
f
ac
to
r
R
oom
f
ac
to
r
Ma
x
imu
m
tem
per
at
ur
e
l
im
it
S
ec
ondar
y
f
low
boos
t
S
wit
c
h
-o
ff
di
ff
er
ent
ial
B
uf
fer
s
w
it
c
hi
ng
di
ff
er
ent
ial
S
wit
c
h
-ov
er
c
apac
it
y
of
s
ta
ge
s
equenc
e
M
ix
ed heat
in
g
c
ir
c
ui
t 2 bus
aut
hor
is
at
io
n
M
ix
er
m
o
tor
1
tes
t
F
aul
t m
es
s
age 4
M
ix
ed heat
in
g
c
ir
c
u
it
1
f
lo
w
s
ens
or
3 Da
y
-
M
ont
h
M
ix
ed heat
in
g
c
ir
c
ui
t 1 out
put
O
per
at
ing
m
o
de
Legi
onel
la
pr
ot
ec
ti
on
t
im
e
R
oom
c
onnec
ti
on
R
oom
c
onnec
ti
on
Mi
n
imu
m
tem
per
at
ur
e
l
im
it
D
is
tr
ic
t heat
ing
v
a
lv
e
m
in
im
u
m
tr
av
el
F
o
llo
w
-up t
im
e of
pum
p
S
ol
ar
l
oadi
ng
pum
p m
ini
m
um
runt
im
e
S
wit
c
h
-on
di
ff
er
ent
ial
B
oi
ler
t
em
pe
rat
ur
e
o
ffs
e
t
R
egul
at
ion
S
wit
c
h
-o
ff
del
ay
M
ix
ed heat
in
g
c
ir
c
ui
t 1 bus
aut
hor
is
at
io
n
M
ix
ed heat
in
g
c
ir
c
ui
t pum
p
1 t
es
t
F
aul
t m
es
s
age 3
Ho
t-
w
at
er
s
ens
or
2 Y
ear
Ho
t-
w
at
er
l
o
adi
ng
pum
p ou
tput
T
im
e p
rogr
a
m
Legi
onel
la
pr
ot
ec
ti
on
day
H
eat
ing s
y
s
tem
H
eat
ing s
y
s
tem
St
a
rt
-up p
rot
ec
ti
o
n
M
a
x
im
u
m
f
lo
w
tem
per
at
ur
e
s
e
tp
o
in
t lim
it
S
wit
c
h
-o
ff
di
ff
er
ent
ial
S
wit
c
h
-o
ff
di
ff
er
ent
ial
M
ax
. t
em
per
at
ur
e
M
ax
. t
em
per
at
ur
e
C
onnec
ti
on d
el
ay
D
ir
ec
t heat
ing
ci
rcu
it
b
u
s
aut
hor
is
at
io
n
D
ir
ec
t heat
ing
c
ir
c
ui
t pum
p
t
es
t
F
aul
t m
es
s
age 2
H
eat
gene
rat
or
s
ens
or
1 T
im
e
Hy
d
ra
u
lic
s
c
hem
at
ic
Languag
e
s
el
ec
ti
on
H
ot
w
at
er
at
ni
ght
R
educ
ed op
er
at
ion
R
educ
ed op
er
at
ion
De
s
ig
n
Offs
e
t
R
et
ur
n
tem
per
at
ur
e
s
et
poi
nt
S
wit
c
h
-on
di
ff
er
ent
ial
M
in.
t
em
p
er
at
ur
e
M
in.
t
em
p
er
at
ur
e
R
egul
at
ion
S
wit
c
h
in
g
di
ff
er
ent
ial
C
ent
ral
dev
ic
e
addr
es
s
H
eat
g
ene
rat
or
te
st
F
aul
t m
es
s
age 1
O
ut
s
ide s
ens
o
r
0 H
eat
ing c
ur
v
e
s
lope
H
eat
ing c
ur
v
e
s
lope
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
is
tr
ic
t
he
a
ti
ng
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