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16
Microswitches configuration, failures and incidents
DPC-1 thermostat
W
he
n
a
lo
ck
ou
t i
s
ge
ne
ra
te
d,
a
nd
th
er
e
is
c
om
m
un
ic
at
io
n,
th
e
th
er
m
os
ta
t
in
di
ca
te
s,
a
lte
rn
at
iv
el
y,
th
e
tim
e
an
d
fa
ilu
re
p
ro
du
ce
d,
in
a
cc
or
da
nc
e
w
ith
the lo
ck
out tab
le of the unit.
Also indicates other incidences of the ther
mostat.
Incidence
In
ci
de
nc
es
a
re
in
di
ca
te
d
by
th
e
gr
ee
n
LE
D
o
n
th
e
Y
K
LO
N
b
oa
rd
. I
f n
o
lo
ck
ou
ts
exist, this LED flashes at a constant frequency
.
W
he
n
an
in
ci
de
nt
is
g
en
er
at
ed
, t
hi
s
LE
D
p
ro
du
ce
s
th
re
e
se
rie
s
of
fl
as
he
s
w
ith
a constant sequence
.
T
he
fi
rs
t s
er
ie
s
in
di
ca
te
s
th
e
af
fe
ct
ed
c
irc
ui
t:
on
e
fla
sh
fo
r
th
e
fir
st
c
om
pr
es
so
r,
two f
or the second, three f
or the third and f
our f
or miscellaneous incidences
.
T
hi
s
is
f
ol
lo
w
ed
b
y
a
br
ie
f
pa
us
e.
T
he
s
ec
on
d
an
d
th
ird
s
er
ie
s
in
di
ca
te
t
he
direct cause of the incidence
.
Test b
utton
-
If
pr
es
se
d
un
til
th
e
gr
ee
n
LE
D
g
oe
s
on
, c
er
ta
in
ti
m
in
gs
a
re
s
ho
rt
en
ed
a
nd
an
y detected f
ailure is reset.
- If pressed until the red LED goes on, two accessor
ies and optional probes
connected to the board are identified. -
If
t
he
re
i
s
co
m
m
un
ic
at
io
n
be
tw
ee
n
un
its
a
nd
t
hi
s
bu
tt
on
i
s
pr
es
se
d,
t
he
Neuron ID is sent
by
the LonW
or
ks networ
k.
In
ci
d
en
ce
t
ab
le
F
la
sh
es
Ty
p
e
P
ro
be
s
O
cc
up
at
io
n
se
ns
or
in
u
no
cc
up
ie
d
P
ro
be
s
A
ux
. h
ea
t
T
he
rm
os
ta
t
Te
m
pe
ra
tu
re
D
is
ch
ar
ge
p
ro
be
o
pe
n
or
s
ho
rt
c
irc
ui
te
d
In
ci
d
en
ce
Li
qu
id
p
ro
be
o
pe
n
or
s
ho
rt
c
irc
ui
te
d
S
uc
tio
n
pr
ob
e
op
en
o
r
sh
or
t c
irc
ui
te
d
R
ep
ea
te
d
de
fr
os
ts
D
is
ch
ar
ge
te
m
pe
ra
tu
re
n
ot
r
ec
ov
er
ed
D
is
ch
ar
ge
te
m
pe
ra
tu
re
n
ot
r
ec
ov
er
ed
R
et
ur
n
pr
ob
e
op
en
o
r
sh
or
t c
irc
ui
te
d
O
ut
do
or
p
ro
be
o
pe
n
or
s
ho
rt
c
irc
ui
te
d
W
at
er
p
ro
be
o
pe
n
or
s
ho
rt
c
irc
ui
te
d
E
nt
ha
lp
y
pr
ob
e
er
ro
r
S
ig
na
l Y
1
or
Y
2
w
ith
ou
t G
T
he
rm
al
s
w
itc
h
of
h
ea
te
r
1
T
he
rm
al
s
w
itc
h
of
h
ea
te
r
2
T
he
rm
al
s
w
itc
h
of
h
ea
te
r
3
T
he
rm
al
s
w
itc
h
of
h
ea
te
r
4
W
at
er
c
oi
l t
em
p.
n
ot
r
ec
ov
er
ed
O
ut
do
or
te
m
p.
to
o
lo
w
W
at
er
c
oi
l i
n
an
tif
re
ez
e
fu
nc
tio
n
Im
pu
ls
e
te
m
p.
o
ve
r
55
°
C
Tr
an
sc
ei
ve
r
ID
u
nk
no
w
n
A
t l
ea
st
o
ne
a
cc
es
so
ry
n
ot
fo
un
d
A
ir
qu
al
ity
d
em
an
d
D
irt
y
fil
te
rs
4
1
2
ó
3
S
ig
na
l W
w
ith
ou
t B
S
ig
na
l W
w
ith
ou
t G
S
ig
na
l Y
2
w
ith
ou
t Y
1
1
2
3
2
1
2
3
4
5
1
1
2
3
4
1
2
3
4
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
O
th
er
s
Te
m
pe
ra
tu
re
1
2
T
he
rm
os
ta
t
Communication error
9
3
Exter
nal entr
y of f
ailure
9
4
Ty
p
e
Thermostat number
s
In
ci
d
en
ce
Ambient probe open or shor
t circuited
Inter
nal probe not calibrated
9
1
9
2
Digital probe S7 is not detected
9
7
Digital probe S9 is not detected
9
9
Digital probe S5 is not detected
D
ig
ita
l p
ro
be
S
6
is
n
ot
d
et
ec
te
d
9
5
9
6
Digital probe S8 is not detected
9
8
It
is
n
ec
es
sa
ry
t
o
di
sc
on
ne
ct
p
ow
er
s
up
pl
y
to
t
he
b
oa
rd
t
o
re
ad
t
he
n
ew
configuration.
Failures (Loc
kouts)
Lo
ck
ou
ts
a
re
in
di
ca
te
d
by
th
e
re
d
LE
D
o
n
th
e
Y
K
LO
N
b
oa
rd
. I
f n
o
lo
ck
ou
ts
exist, the LED remains off
.
W
he
n
a
lo
ck
ou
t i
s
ge
ne
ra
te
d,
th
is
L
E
D
p
ro
du
ce
s
tw
o
se
rie
s
of
fl
as
he
s
w
ith
a constant sequence
.
T
he
fi
rs
t s
er
ie
s
in
di
ca
te
s
th
e
af
fe
ct
ed
c
irc
ui
t:
on
e
fla
sh
fo
r t
he
fi
rs
t c
om
pr
es
so
r,
tw
o
fo
r
th
e
se
co
nd
, t
hr
ee
fo
r
th
e
th
ird
a
nd
fo
ur
fo
r
th
e
ac
ce
ss
or
ie
s.
T
hi
s
is
fo
llo
w
ed
b
y
a
br
ie
f
pa
us
e.
T
he
s
ec
on
d
se
ri
es
i
nd
ic
at
es
t
he
e
le
m
en
t
or
situation producing the lo
ck
out.
Configuration of s
witches
The micros
witches estab
lish the f
ollo
wing configurations:
Number
M
ea
n
in
g
S
ta
tu
s
1
/ 2
Ignore SW
, p
ro
gr
am
m
ed
b
y communications
Time between defrosts 30'
Time between defrosts 60'
Time between defrosts 90'
Crossed coils
Independent coils
2' compressor dela
y
5' compressor dela
y
Cool mode
Heat pump mode
4-w
ay
v
alv
e activ
e in heat
4-w
ay
v
alv
e activ
e in cool
Receiv
es signal B from ther
mostat (activ
e in heat)
Receiv
es signal O from ther
mostat (activ
e in cool)
Fa
n
op
er
at
iv
e
du
ri
ng
d
ef
ro
st
Fa
n
in
op
er
at
iv
e
du
ri
ng
d
ef
ro
st
O
F
F
/O
F
F
O
N
/O
F
F
O
F
F
/O
N
O
N
/O
N
ON
O
F
F
ON
O
F
F
ON
O
F
F
ON
O
F
F
ON
O
F
F
ON
O
F
F
3
4
5
6
7
8
Loc
ko
u
t
ta
b
le
(
re
d
L
E
D
)
F
la
sh
es
D
is
ch
ar
ge
te
m
pe
ra
tu
re
s
ur
pa
ss
ed
.
High pressure
sw
itch, outdoor f
an ther
mal
sw
itch or compressor
module ther
mal
sw
itch.
Lo
w pressure
sw
itch.
Indoor f
an ther
mal
sw
itch.
Repeated star
t-ups in cool or suction temperature <-25°
C
.
G
as
1
c
on
tr
ol
o
r
he
at
er
1
fa
ilu
re
Gas 2 control or heater 2 f
ailure
Heater 3 stage f
ailure
Heater 4 stage f
ailure
Failure in economiser or hot w
ater coil (outdoor impulse probe
,
w
ater retur
n)
Smok
e detection or high temperature (accessor
ies) or impulse
temperature > 80°
C
F
ai
lu
re
1
2
3
4
5
1
2
3
4
5
6
4
1
2
ó
3
Im
pu
ls
e
te
m
p.
<
2
5°
C
w
ith
g
as
S
uc
tio
n
te
m
pe
ra
tu
re
<
0
°C
, e
co
no
m
is
er
6
I-2367c
Summary of Contents for RTC07L
Page 13: ...13 Wiring diagram RTC07L 230 1 50 ...
Page 14: ...14 Wiring diagram RTC10L and 15L 400 3 50 ...
Page 15: ...15 Wiring diagram RTC20L 25L and 30L 400 3 50 ...
Page 19: ...19 RTC and RTH07L to 30L Heater location ...
Page 20: ...20 Wiring diagram Heater 5kW 230 1 50 RTC and RTH07L ...
Page 21: ...21 Wiring diagram Heater 5 10 15kW 400 3 50 RTC and RTH07L to 30K ...
Page 23: ...23 Location of components Fig 1 Connection of hoses at electric box Fig 2 ...
Page 25: ...25 Wiring diagram for RTC 07L 10L and 15L ...
Page 31: ......
Page 32: ...www johnsoncontrols com ...