VANTAGE
®
II F
UEL
C
ONVERSION
I
NSTRUCTIONS
10 of 21
silicone t
u
bes so that they may be re-installed in
the same position. The hose from the b
u
rner
side air press
u
re tap sho
u
ld connect
u
p to the
nipple labeled “P2” on the press
u
re s
w
itch. The
hose from the blo
w
er side air press
u
re tap
sho
u
ld connect to the nipple labeled “P1”.
FIGURE 9: Burner, Side View (Internal Assembly)
Step 5.5 Adjust Re
g
ulator
1. Using a 3/16" hex key, remo
v
e the pl
u
g at the
v
al
v
e o
u
tlet and install a test tap and hose. Con-
nect the hose to a liq
u
id filled manometer.
.
2. T
u
rn on gas and po
w
er. T
u
rn
u
p thermostat.
3. When
u
nit comes on, adj
u
st the reg
u
lator by
t
u
rning the adj
u
sting scre
w
to set the press
u
re
to:
Natural: 3.5" wc
Propane: 10.5" wc
4. T
u
rn off po
w
er and gas.
5. Remo
v
e test tap and replace pl
u
g at
v
al
v
e
o
u
tlet. Replace O Ring and cap scre
w
.
Step 5.6 Inlet Gas Pressure Checks
The gas inlet press
u
re to the heater m
u
st be checked
as follo
w
s:
1. T
u
rn off electrical s
u
pply to heater.
2. T
u
rn off gas s
u
pply to heater.
3. Remo
v
e the pl
u
g at the
v
al
v
e inlet and install a
test tap and hose. Connect the hose to a liq
u
id
filled manometer.
4. T
u
rn on gas s
u
pply to heater.
5. The manometer sho
u
ld read a maxim
u
m gas
press
u
re of 14.0"
w
c for Nat
u
ral or L.P. gas.
6. T
u
rn on electrical s
u
pply to heater.
7. With heater in operation, manometer sho
u
ld
read a minim
u
m inlet press
u
re of 4.5"
w
c for
Nat
u
ral gas or 11.0"
w
c for L.P. gas.
8. If in steps 5 and 7, the recommended maxim
u
m
and minim
u
m press
u
res are not obtained, the
main gas s
u
pply press
u
re to the heater m
u
st be
adj
u
sted as necessary for compliance.
9. T
u
rn off main gas s
u
pply to heater.
10.T
u
rn off electrical s
u
pply to heater.
11. Remo
v
e manometer and insert pipe pl
u
g into
v
al
v
e inlet.
12.T
u
rn on main gas s
u
pply to heater.
13.Leak test pl
u
g in tapping
u
sing soap sol
u
tion.
14.T
u
rn on electrical s
u
pply to heater.
T
rans
f
or
m
er
B
urner
Side
Air
Pressure
T
ap
F
la
m
e
Sensor
G
as
V
al
v
e
Pressure
Switch
B
lower
Side
Air
Pressure
T
ap
T
ube
G
asket
