VANTAGE
®
II F
UEL
C
ONVERSION
I
NSTRUCTIONS
18 of 21
SECTION 7: OPERATION AND MAINTENANCE
This heater is eq
u
ipped
w
ith a hot-s
u
rface ignition
system.
7.1 Se
q
uence of Operation
3. T
u
rn the thermostat
u
p. When the thermostat
calls for heat, the SmartVal
v
e
®
II
w
ill energize.
After a short period, po
w
er is s
u
pplied to the
blo
w
er motor.
4. When the motor approaches nominal r
u
nning
RPM, the press
u
re s
w
itch closes and signals
the ignition mod
u
le/SmartVal
v
e
®
II.
5. The ignition mod
u
le/SmartVal
v
e
®
II then ener-
gizes the hot-s
u
rface igniter for a timed
w
arm-
u
p
period (approximately 45 to 60 seconds). After
the
w
arm-
u
p period, the gas
v
al
v
e is energized.
6. If a flame is detected, the gas
v
al
v
e remains
open and the igniter is de-energized. When the
call for heat is satisfied and the system control
mechanism de-energizes the b
u
rner line
v
oltage
s
u
pply, the gas is t
u
rned off.
7. If no flame is detected by the flame sensing rod,
the igniter is de-energized and the mod
u
le/
SmartVal
v
e
®
II
w
ill close and a p
u
rge period
begins. After the p
u
rge, the mod
u
le/SmartVal
v
e
®
II acts to po
w
er the igniter for a second
w
arm-
u
p
period and a second trial for ignition period. If
flame is still not established, a third p
u
rge,
w
arm-
u
p, and trial cycle begins. After fo
u
r trials,
the mod
u
le/SmartVal
v
e
®
II
w
ill locko
u
t for one
ho
u
r or
u
ntil reset.
8. If the flame exting
u
ishes d
u
ring operation, the
igniter mod
u
le
w
ill pro
v
ide m
u
ltiple trial
seq
u
ences described in step 5. If ignition is not
re-established, the mod
u
le/SmartVal
v
e
®
II
w
ill
locko
u
t for one ho
u
r or
u
ntil reset.
9. After locko
u
t, reset by t
u
rning do
w
n thermostat
for fi
v
e seconds, and then raising it again to
desired temperat
u
re, or by disconnecting po
w
er
and then reconnecting.
7.2 To Shut Off Heater
Set thermostat to lo
w
est setting.
T
u
rn OFF electric po
w
er to heater.
T
u
rn OFF man
u
al gas
v
al
v
e in the heater s
u
pply line.
7.3 To Start Heater
T
u
rn gas
v
al
v
e and electric po
w
er OFF and
w
ait fi
v
e
min
u
tes for
u
nb
u
rned gases to
v
ent from heater.
T
u
rn ON main gas
v
al
v
e.
T
u
rn ON electric po
w
er.
Set thermostat to desired temperat
u
re. B
u
rner
sho
u
ld light a
u
tomatically.
7.4 Pre-Season Maintenance and Annual
Inspection
To ens
u
re yo
u
r safety and years of tro
u
ble-free oper-
ation of the heating system, ser
v
ice and ann
u
al
inspections m
u
st be done by a contractor q
u
alified in
the installation and ser
v
ice of gas-fired heating
eq
u
ipment.
T
u
rn off gas and electric s
u
pplies before performing
ser
v
ice or maintenance. Allo
w
heater to cool before
Cut/Pinch Hazard
Wear protective gear
during installation,
operation and service.
Edges are sharp.
WARNING
Failure to follow these instructions can result in death, electric shock, injury or property damage.
Burn Hazard
Allow heater to cool
before service.
Tubing may still be hot
after operation.
Explosion Hazard
Turn off gas supply to
heater before service.
DANGER
Electrical Shock Hazard
Disconnect electric
before service.
Heater must be
connected to a properly
grounded electrical
source.
