Milnor 72072, Руководство пользователя

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Mi
lnor provides
tw
o se
parate
pilot gas flame
se
ttin
g
p
rocedures.
Use
procedure “A”
under norm
al circum
st
ances.
U
se
procedure “B”
only if
the
machine
is experiencing inter
m
it
tan
t cyc
ling proble
ms
due
to
gas pressure
extinguishing the pilot fl
ame.
Procedu
re A:
Connect one side of the
manome
ter (low pr
essur
e side of
differen
tial pressure gauge) to the Pi
lot
Gas P
ressure Gauge point
(E)
;
leave the other
side open to atmosphere.
Remove
Pilot Gas
Fl
ame
valve top screw (F
IGURE 11), and turn adju
sting screw to achiev
e Pi
-
lot
Gas F
lam
e value in FIGU
RE 7.
Procedu
re B:
Shut off
Manual Te
st valve
(R)
. Set t
he te
st m
ete
r on the
DC s
cale and inse
rt th
e mete
r leads into the
te
st jacks show
n in FIG
-
URE 12. The m
eter should read a
steady 6 - 1
8
VDC after the pilot
gas fl
ame i
s es
tabl
ished. Adjus
t the Pil
ot G
as Fl
ame
Valve to obtain
the highest volt
age reading.
Ë St
ep 5
–
Se
tt
ing
Regu
la
ted
Ga
s
Pr
essu
re
NO
TE 1:
If the High Gas
Pressure sw
itch
(K)
, trips during thi
s procedure, turn the adju
stme
nt screw one
turn clockwi
se, then press
Safety Rese
t and Si
gnal C
ancel.
NO
TE 2:
If the Low G
as Pr
essur
e sw
itch
(L),
tr
ips during this procedure, turn the adj
us
tmen
t screw
one
turn counter-clockwis
e, then pres
s S
afety R
eset
and Signal C
ancel.
1.
Connect one
side of
manome
ter (high pr
essur
e side of
differe
n
tial p
ressure gauge) to Low Gas P
ressure
Gauge point needle valve
(Q1)
at Low Ga
s Pre
ssure
swit
ch (
L)
;
leave the other
side open to atmosphere.
2.
Open M
anual Tes
t valve
(R)
fully.
3.
Adjust
Main
Gas
regul
ator
(W)
to achieve value l
is
ted in
FIGURE 7.
Ë St
ep 6
–
Setting
Burner
Minimum Fire
Turn the
Modulat
ing Gas
Valve
M
ini
mum
Fi
re
pote
ntiomete
r
adjusti
ng
screw
(FIGUR
E
13)
fully
count
er-
clockwi
se. Slowly turn clockwise
u
n
til val
ue
calculat
ed from data
in
FIGURE 7
appears on cont
rol
panel disp
lay
as
shown in FIGU
RE 14. After
making an adjus
tment, wai
t for the dryer d
isp
lay to
set
tle.
Ë St
ep 7
–
S
e
tt
ing
Hig
h
G
a
s
P
re
s
sur
e
Sw
itch
NOTE
:
S
et a rep
lacemen
t
Hig
h
Ga
s
Pre
ss
u
re
swi
tc
h
f
u
ll
y
cl
oc
kw
ise before
i
n
st
alli
n
g
,
th
en
a
d
jus
t
as
b
elo
w.
1
.
A
tt
ach one
side of
manome
ter (high pr
essur
e side of
differe
n
tial p
ressure gauge) to the High
Gas P
ressure
Gauge point
(H)
; l
eave other
side open to atmosphere.
2.
S
tart wi
th
th
e Manua
l
Tes
t
valv
(R)
open.
C
lo
se
t
h
is
v
al
v
e s
lo
wly u
n
ti
l
val
u
e
sh
o
w
n
i
n
F
IG
U
R
E
7 is
read on
m
anometer.
S
lowly
turn
the H
igh
Ga
s Pressure s
w
itc
h
(K
)
adjustm
ent
screw counter-c
lockwise un
ti
l the
G
A
S
P
R
E
S
SU
R
E
H
IGH
status
lig
h
t
B
L
IN
K
S
, t
h
e
sw
it
ch
t
rip
s,
an
d
th
e
b
u
rn
er
e
x
ti
ng
ui
sh
es
. V
er
ify
th
e
se
t
ti
n
g
b
y
open
ing the
Manual
Test
valv
(R)
ful
ly, then slowly close the valve while
watch
ing the manomet
er. The
High Pressure switc
h
should tri
p when the set value is r
eached.
3.
R
eopen Manual
Test valve
(R)
ful
ly.
Acc
ess
es Set
up Mode
D
S
E
T
U
P
MODE
D
C
H
E
C
K
REG. GA
S PRE
S
S
T
h
is mode t
u
rns on t
h
e main ga
s. The
M
odulat
ing Gas
valve
(T)
modul
ates
to po
-
si
ti
on 100 and t
h
e ON-OFF
actuat
o
r
(F)
opens
.
Acc
ess
es Set
up Mode
E
S
E
T
U
P
MODE E 1
7
9
F
M
I
N
FIRE,ROD,GAS
SW
T
Thi
s mode set
s the Modul
ating Gas
valve
(T
) to 000 and displays
the inlet
te
mperature (Fahrenheit s
hown).
S
E
T
U
P
MODE
E
15
2
F
MI
N FIRE, RO
D,
G
A
S
S
W
T
Adjus
t unt
il value
cal
culat
e
d from
F
IGURE 7
here (Fahrenheit s
hown)
.
Î FI
GURE
1
4
(MS
S
M0
137AE)
Î Matching the Displayed V
a
lu
e
wi
th
V
a
lu
e ca
lc
ula
ted f
rom F
IG
U
R
E
7
Î FIG
U
RE 12
(M
S
S
M0
137AE)
Î Fi
reye Fl
am
e
Control
Vol
tage
Te
st
Ja
ck
s
(cover removed for cla
ri
ty)
Î FI
GURE
1
3
(MS
S
M0
137AE)
Î Mod
u
la
ti
ng
G
a
s
Valve
Mi
nim
um Fire
Potentiome
ter
Adj
u
sti
n
g
Sc
re
w
G
A
S
AND AIR A
D
JU
ST
M
E
N
T
S F
O
R
720
7
2 GAS DRYERS
MSS
M
0137AE/
9
911
A
V (5 of 9)
98