Roberts Gorden UltraVac NEMA 4 - Manual (Page 46)

ROBERTS GORDON ® ULTRAVAC™ C ONTROLLER I NSTALLATION M ANUAL
40
Troubleshooting Flow Chart (continued)
C
ons
u
lt
w
ir
ing instr
u
ctions
in 200 Ser
ies P
u
mp Man
u
al
(P/
N
1
27200
N
A) or EP
-300
Ser
ies P
u
mp Man
u
al (P/
N
1
27202
N
A) f
or r
e
ver
sal
instr
u
ctions
.
N
o
R
eplace f
ilt
er
s as necessar
y.
R
eplace the electr
odes
.
Ad
ju
st the g
ap or
replace the electr
ode
.
Ignition mod
u
le ma
y ha
ve
failed.
R
eplace mod
u
le
.
Electr
ode g
ap sho
u
ld
b
e
1/
8
".
Is the g
ap t
oo small?
N
o
Ye
s
Inspect the electr
odes on the
af
fect
ed
bu
rner
s
. Ar
e
the
y
bu
rned or damaged?
No
Ye
s
Co
u
plings ma
y
b
e inst
alled
impr
oper
ly
. Lined co
u
plings
sho
u
ld
b
e
u
sed f
or t
a
ilpipe
.
All co
u
plings sho
u
ld
b
e
sn
u
g ar
o
u
nd t
ub
e.
Mak
e s
u
re
that all
sensor set points ar
e
satisf
ied.
Do
bu
rner
s sh
u
t of
f af
ter the
call f
or heat is satisf
ied?
Ye
s
N
o
Chec
k f
or
b
loc
k
age in the
o
u
tside air s
u
ppl
y
or f
o
r
leaks in the s
y
s
tem.
R
eplace f
ilt
er
s as necessar
y.
N
o
Ye
s
Ar
e the f
ilt
er
s on the
bu
rn
er
s dir
ty
?
Is the r
o
tation of the
p
u
mp mot
or corr
ect?
Ye
s
N
o
Ad
ju
st s
y
st
em f
or pr
oper
vac
uu
m at the end
vent.
See C
ommissioning of the
CR
V
S
y
st
em f
or det
ails
.
Is the
vac
uu
m set
ting
too lo
w
?
N
o
Ye
s
Is the f
lame lo
w
?
N
o
Ye
s
N
o
Ye
s
Ar
e the f
ilt
er
s on the
bu
rner
s dir
ty?
Ye
s
N
o
Is the r
o
tation of the
p
u
mp mot
or corr
ect?
F
o
llo
w
bu
rner chec
k
pr
oced
u
re
gi
ven a
b
o
ve.
N
o
Ye
s
Ar
e ther
e an
y "dead"
bu
rn
er
s in a
b
ranch?
Is the
vac
uu
m set
ting
too lo
w
?
N
o
Ye
s
Is the s
y
st
em leaking
w
at
er?
N
o
Ye
s
Do the
bu
rner
s loc
k
o
u
t
int
er
mit
tentl
y?
N
o
Ye
s
Mak
e s
u
re
that all
sensor set points ar
e
satisf
ied.
Does the p
u
mp sh
u
t do
w
n
af
ter a 2 min
u
te
post-p
u
rge
per
iod?
Ye
s
N
o
TR
OUBLESHOO
T ENDS.
If pr
o
b
lems per
sist, cont
act
yo
u
r
R
OBER
TS GORDO
N
®
Independent Distr
ibu
to
r.
C
ont
act
Ro
b
er
ts-Gor
don at
www
.r
g-inc.com
Ad
ju
st s
y
st
em f
or pr
oper
vac
uu
m at the end
vent.
See C
ommissioning of the
CR
V
S
y
st
em f
or det
ails
.
Ye
s
C
ons
u
lt
w
ir
ing instr
u
ctions
in 200 Ser
ies P
u
mp Man
u
al
(P/
N
1
27200
N
A) or EP
-300
Ser
ies P
u
mp Man
u
al (P/
N
1
27202
N
A) f
or r
e
ver
sal
instr
u
ctions
.