Daikin RoofPak RPS Series, Руководство по установке и обслуживанию

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Wiring Diagrams
www.DaikinApplied.com 75 IM 926-3 • ROOFPAK APPLIED SYSTEMS
Figure 89 continued: HTD Gas Burner Schematic
600
0
V
IT
11
5V
AC
5
(L
1)
4 3
02
F
L2
G
3k
1
6k
1
FD
6
01
7
1K1
1K2
1K5
CO
M
N
O
AS
NB
R2
4
T1
_N
/ 1
6
8
PL
19
_5
13
14
M
29
1
3
GV
4B
4 6
X2 X3 X1
R2
2
5
9
GR
D
M
X4
R2
4
5
9
R2
0
13
14
DO
1
203
E
C1
DO
1
T2
_11
5
VA
C
/
26
8
T1
_N
/ 16
8
EX
P
B
168
A
PL
18
_8
LS
1
LS
2
6 PL
19
7
PL
19
8
CO
M
NO
CO
M
NO
Ty
pi
ca
l S
eq
ue
nc
e
of
O
pe
ra
tio
n
W
hen 120V po
w
er
is
furnish
ed
thr
ou
gh
th
e
an
d
th
rough
th
e
m
e
saf
eg
ua
rd
(F
SG
)
pre
pu
rge
period
w
ill
b
egin.
T
he
b
ur
ner
air
control
valve
w
ill
be
at
m
i
an
y
ot
he
r t
im
e
that
a pre
p
ur
ge
c
ycle
w
ill occur, the
e
gr
up
er
p
eht
r
of
noi
tis
op
mu
mi
xa
m e
ht
ot
de
noi
tis
op
er
eb
lli
w
evl
av l
ort
no
c ri
a Up
on a ca
ll f
or
hea
t, the co
ntro
ll
er
w
ill close (EMB-
D
O 1) energiz
in
g R20, closing it’s N/O
co
ntact an
d e
ne
rgize t
er
m
inal # 6
o
n the FSG.
T
he FSG the
n
en
ergiz
es its
te
rm
in
al
#4
,
w
hi
ch
p
ow
ers
th
e
burner
c
o
m
bu
stion air b
lo
wer
m
otor (BM) and starts the prepurge
cy
cle
. T
he
ca
ll f
or
h
eat
w
ill
al
so
in
iti
ate
th
e c
on
t
roller to repositi
on the
b
ur
ner air valve to it
s
oiti
so
p
ne
po
ll
uf
eh
t s
eh
ca
er
ro
ta
ut
ca
eht
ne
h
W .
eg
ru
per
p r
of
noi
tis
op
ne
po
mu
mi
xa
m
n,
swi
tch (LS2) is
'
m
ad
e'
w
hi
ch
w
ill
provi
de
a digital input to the
co
nt
ro
ller
(EM
B
-D
I X3
).
Th
is digital
in
pu
t w
ill
initiate
a 20 second (adjustable) t
i
m
in
g
period
in
the
controller.
At
th
e c
om
pletion
o
f the t
im
in
g
per
iod, t
he controller
w
ill s
ig
na
l the actua
tor to drive to it
s
m
in
im
um
positi
on
swit
ch
(L
S1)
w
ill be
'm
ad
e'
,
pro
viding a dig
ital i
np
ut to t
he
c
on
troller (EM
B
-D
I X2).
W
hen the bu
e
sol
c ll
i
w r
ell
ort
no
c
eh
t ,
ed
a
m
si
)1
SL(
hct
i
ws
noi
tis
op
wol
e
ht
dn
a
noi
tis
op
mu
mi
ni
m ti
t
a si
e
vl
av
ri
a r
en
r
the digita
l output (EMB-DO 2) all
o
w
ing
th
e c
om
bi
nation
g
as
v
al
ve(s) (GV1) to be energ
iz
ed
u
po
n c
om
ple
tio
n of the FSG prepurge
cy
cle.
After c
om
pleti
on
o
f the FSG
p
re
pu
rge
period t
h
ere
w
ill be a 10 second trial for igniti
on
d
ur
ing
w
hi
ch t
er
m
in
al
#
8
(co
m
bi
nati
on
gas
v
al
ve
-
GV1)
and
te
rm
in
al
#10
(ignition
ed
th
ro
ug
h
the
rm
in
al
#10 (ignition
transfo
rm
er
-
IT)
w
ill
be
de-energized
and
te
rm
in
al
#9
(m
ain
gas
v
al
ve
s
- GV4)
w
ill be e
ne
rgize
d and the control syst
an
d
th
e
heating
stage
tim
e
has
passed,
th
9,
a
nd
1
0
w
ill be de-energi
zed, thus de
-en
er
giz
ing
th
e
bu
rn
er.
T
he
FS
G
w
ou
ld t
he
n
lo
ck
ou
t and
w
ould
req
u
ire
m
an
ual
resetting.
If
the
FSG
g
oes
in
to
lockoput,
te
rm
inal 3 on
the
FSG
w
ill
be ene
rgiz
ed
and
w
ill
ene
rgiz
e
R
24, pro
viding
a digital i
np
ut to the controller (EMB-DI X2If an att
e
m
pt
is
m
ade to restart th
r
etf
a
det
aiti
ni
si t
rat
ser
cit
a
mo
tu
a
na
fi r
o
GS
F
eht
gni
tt
es
er
yb
re
nr
ub
e
des
cr
ibed p
re
pu
rge
c
ycle
w
ith
th
e
w
ide
op
e
n
ai
r v
al
ve
w
ill
b
e
repeated.
g
niti
mil ,
re
nr
ub
eh
t
elc
yc
lli
w )
CL
F( l
ort
no
c ti
mil
hgi
h
eh
t ,s
ta
eh
re
vo
ti
nu
eh
t fI
fu
rn
ace t
em
perature to the
Typical Sequence of Operation When the 120V power is furnished through the System ON/OFF Switch (S1), through the Burner ON/OFF Switch (S3), and through the High Limit Control (FLC),
Terminal #6 on the
Flame Safeguard (FSG)
is powered
on a call-for-heat. Whenever power is restored to the Flame
Safeguard, the Flame Safeguard
will go through a 10-second
initiation
period
before
the pre-purge period will begin.
The Burner
Air Control V
alve will be at minimum position during OFF cycles. Upon a call-for-heat or any other time that a pre-purge cycle will occur
,
the
Air Control V
alve will reposition to the maximum position for the pre-purge and then return to the minimum position for low fire start.
Upon a call-for-heat, the Controller will close (EMB-DO 1) energizing R20, closing its N/O contact and energizing
Terminal #6 on the FSG.
The FSG then energizes its
Terminal #4,
which powers the Burner Combustion
Air Blower Motor (BM) and starts the pre-purge cycle.
The call-for-heat will also initiate the Controller to reposition the Burner
Air V
alve to its
Maximum open position for pre-purge. When the
Actuator reaches the full open position, Switch (LS2) is ‘made’
which will provide a digital signal to the Controller (EMB-DI X3).
This
digital input will initiate a 20-second (adjustable) timing period in the Controller
. At the completion of the timing period, the Controller will signal the
Actuator to drive to its minimum
(low fire) position.
At the completion of the FSG pre-purge cycle, the valve will beat the open position and the Minimum Position Switch (LS1) is made, the Controller will close the
Digital Output (EMB-DO 2) allowing the Combination Gas V
alve(s) (GV1) to be energized upon completion of the FSG pre-purge cycle.
After completion of the FSG pre-purge period, there will be a 10-second trial-for-ignition during which
Terminal #8 (Combination Gas V
alve - GV1) and
Terminal #10 (Ignition
Transformer - IT) will be energized. If flame is being detected through the Flame ROd (FD), at the completion of the 10-second trial-for-ignition period,
Terminal #10 (Ignition
Transformer - IT) will be de-energized and
Terminal #9 (Main Gas V
alves - GV4) will be energized and the Control System willbe allowed to control the firing rate once the Heating
Stage
Timer (default - 5 minutes) has passed.
After the flame has lit and been proven and the Heating Stage
Time has passed, the Controller will modulate (VM1), to the required
firing rate. In the event the flame fails to ignite or the Flame Safeguard fails to detect its flame within 10-seconds,
Terminals #4, 8, 9 and 10 will be de-energized, thus de-energizing
the Burner
. The FSG would then lockout and would require manual resetting. If the FSG goes into lockout,
Terminal #3 on the FSG will be energized and will energize R24, providing
a digital input to the Controller (EMB-DI X2). If an attempt is made to restart the Burner by resetting the FSG or if an automatic restart is initiated after flame failure, the earlier described pre-purge cycle with the wide-open air valve will be repeated. If the unit overheats, the High Limit Control (FLC) will cycle the Burner
, limiting furnace temperature to the
limit control setpoint.
The Flame Safeguard contains LEDs (lower left corner) that will glow to indicate operation.