Milnor 72072, Manual

Page: 104 / 119

Ê Lan
d
is
a
n
d
Gyr
Eq
ui
ppe
d
Dryers
Ë S
te
p
1 –
Se
tt
ing S
ta
tic
Inl
e
t Ga
s Pr
es
sur
CRUS
HING A
N
D ENTA
NGLEMENT HAZA
R
D
—
Lock
OFF an
d t
ag
out
power
at
the wa
ll
di
sc
onn
e
ct
for
th
e D
ryer.
1.
Turn m
achine O
FF.
2.
At
tach one
side of
manome
ter (high pr
essur
e side of
differe
n
tial p
ressure gauge) t
o
St
atic I
n
let
Gas P
ressure
point
(X)
, and l
eave the other side open to a
tmosphere.
3.
Open Ext
ernal Gas S
hut-
off valve
(Y)
.
4.
Check the
status of the following components:
a.
Ext
ernal Gas
S
hut-
off valve
(Y)
is
OPEN,
b.
M
anual Tes
t valve
(R)
and Modul
ati
ng Gas val
v
e (T
) , and ON-OF
F act
uator (
F)
are CLOS
ED,
c.
P
ilot and burner are
NOT
FIRING,
d.
Combus
tion Air blower and Main blower are OFF
.
5.
A
d
ju
st
press
u
re of incom
ing gas
(upst
ream
from
dryer) to achi
eve value liste
In
comin
g
gas p
ressure mu
st b
e at
this
value b
efore furth
er adju
stmen
ts
can
be mad
e.
Pressures exceeding specifi
ed range wil
l dam
age regulat
or.
Ë S
e
tt
ing Con
d
ition
—Landis
and Gyr
equipped
dryers
must be adjus
ted with
the dryer fir
ed,
the damper
posi
tion at 2, and the
Modul
ating Gas
valve
at 000. Thi
s
is
ach
ieved by
manua
lly
running any d
ry code
that ca
ll
s
for
fire, then manual
ly s
ett
ing the damper pos
it
ion and Modulat
ing Gas valve
(T)
, as fol
lows
:
After the power up sequences, the d
isp
lay shows
WAITING FOR LOAD ******************
Acc
ess
es Manual Load m
enu
SELECT DRYCODE 00 REDRY
Acc
epts
the defa
ult
drycode
00
and prompts
for load si
ze.
ENTER LOAD SIZE 0 FULL LOAD
Acc
epts
the defa
ult
load
size
(fu
ll load)
and prompts
the operator to load dryer.
Ignore this prompt.
LOAD DRYER WITH REDRY
S
tarts th
e cycle.
When loading s
equence
ends, display appear
s as shown below.
LOADING
00F TIC TOC 000 VP XX XXXAXXX XXX XXX
Al
ternat
es
wi
th
00F TIC TOC 000 AIR XXX XXXDXXX XXX XXX
After the burner fires
S
tops
the tim
er and acce
sses
the manual
con
trol panel f
or temperatur
e, damp
er,
an
d bask
et
rotation.
TICHTOC LDA MVP BSPD XXX+XXX X0X 0X XXXX
+
S
ets damper posi
tion. Hol
d k
eys u
n
ti
l
damper posi
tion
(D)=2.
TICHTOC L
D
A MVP BSPD
XXX+XXX X
2
X XXX XXXX
hol
d
+
Closes
Modu
lati
ng Gas valve (pos
ition).
Hold
keys
un
ti
l MV
P
=000.
TICHTOC LDA
MVP
BSPP
XXX+XXX X2X
000
XXXX
The dryer will
conti
nue to fire at
minimum fi
re (MVP
=000) unti
l com
manded to return to autom
at
ic. Perform
the
remaining adjust
m
ent
s herein. Upon compl
etion,
R
eturns
to
automat
ic.
CRUS
HING A
N
D ENTA
NGLEMENT
HAZARD—R
o
ta
ti
ng m
a
c
h
inery
can
entangle
and c
rush bod
y
pa
rt
s. Ke
ep
aw
ay fro
m
rotati
n
g bel
ts
a
n
d pulleys.
Ë St
ep 2
–
S
e
tt
ing
the
Co
mbu
s
tion Air
Pr
essu
re
S
w
itch
NOT
E 1:
If re
placing
the
Low Com
busti
on
A
ir
P
ressure
S
witch,
se
t
it
fully
counter-clock
wise
before in
-
st
all
ing, then adjus
t as below.
NOT
E 2:
If the
fla
me
contr
ol
trips
during the fo
llowing procedures,
pre
ss
Safety
R
eset
or
Fla
m
e Cont
rol
Res
et, and S
ignal
Cance
l to re
set (
see FIG
U
RES 2 and 4 for locations).
1.
At
tach one
side of
manome
ter (high pr
essur
e side of
differe
n
tial p
ressure gauge) to the Comb
us
tion Air Pr
es
-
sure Gauge point need
le valve
(N)
near the Comb
u
stion Air P
ressure swi
tch
(M)
;
leave other side open to at
-
mosphere.
2.
Adjust
the need
le valve
(N)
to ach
ieve the pre
ssure shown on the na
mepla
te. Slowly turn the Combust
ion Air
P
ressure swit
ch
(M)
adjus
tm
ent s
crew clockwi
se unt
il
the C
O
MB
USTION A
IR LOW
stat
us lig
h
t illumi-
nates
MOM
E
NTARILY, the swit
ch tr
ips, and the burner exti
nguis
hes. Push Safety Reset
and Sig
n
al
Cancel
to res
et. Whi
le the flam
e contro
l i
s rese
tting, turn the adj
us
tmen
t screw one turn c
ounter-clo
ckwi
se, then af
-
ter the burner fires, gradually turn the adj
us
tmen
t screw clock
w
ise
unt
il th
e sw
itch trips agai
n.
3.
C
los
e the need
le valve fu
lly.
Ë
For Qui
c
k R
e
turn
to Auto
ma
tic
from
M
a
nual
Loa
d
menu
,
,
etc.,
returns to autom
ati
c
WAITING FOR LOAD ******************
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 (7 of 9)
100