HearthStone Quality Home Heating Products Inc
TUCSON Gas-Fired Direct-Vent
24
spark at the pilot light assembly. Do not
attempt to light the unit with a match or by
any means than the piezoelectric spark.
P
REPARE
F
OR
L
IGHTING
Prepare for the lighting procedure by
adjusting the thermostat (if equipped) to its
lowest setting or OFF position. If the gas
control knob is not in the OFF position, turn
the knob fully clockwise to OFF. Locate the
variable output control knob and turn it fully
clockwise to the highest setting.
Prior to lighting the unit for the first time,
wait 5 minutes to allow any residual gas
within the unit to dissipate. Smell all around
the appliance area for gas. Be sure to smell
next to the floor because some gases are
heavier than air and will settle on the floor.
If you do not smell gas after this five-minute
period, proceed with the lighting procedure.
If you do smell gas, DO NOT proceed with
the lighting procedure. Instead,
immediately
refer to the What To Do If You Smell Gas
Warning, on the cover of this manual.
WARNING: The valve control has an
interlock device. After shutting off all gas
flow, the pilot burner cannot be relit until
the thermocouple has cooled, allowing the
electromagnet to be released (approx. 60
seconds). The gas control knob is designed
to be operated by hand. Do not use any tools
during this operation. Damaged knobs may
result in serious injury.
I
NITIAL
A
DJUSTMENTS
Once the Tucson has been set in place,
connected and assembled as described in the
Clearances To Combustibles, Venting
Components & Configurations, Electrical
Connections, And Gas Supply and
Connections sections of this manual, the unit
is almost ready to be lit for the first time.
The manufacturer tests each unit prior to
shipment, so ignition should take place
without failure. However, a number of small
adjustments may be necessary to
compensate for variations in gas pressure,
altitude, and other factors particular to each
installation.
V
ARIABLE
O
UTPUT
C
ONTROL
The gas control valve is equipped with a
variable output control. This control varies
the rate of heat produced by the unit by
varying the gas pressure to the main burner
tube. A combination of heat output and the
thermostat setting affect the length of the
burn cycle. If your stove turns on and off too
often, try, first, reducing the burn cycle by
turning the HI/LOW knob, on the control
valve, to a lower setting. Using the variable
output control, the heat output of the unit
can be reduced for mild fall and spring
months, or maximized for the colder winter
months. This adjustment can be made, by
the homeowner, as necessary by turning the
variable output control knob to “HI”, “LO”
or any setting in between.
L
IGHTING
I
NSTRUCTIONS
NOTE:
The gas control knobs and the piezo
ignitor are located behind the control valve
access door, under the front of the unit.
1. STOP! Read the What To Do If You
Smell Gas! Warning (on the cover of
this manual).
2. Set the on/off/T’stat switch or thermostat
to the “OFF” position.
3. Unplug the fan accessory, if so
equipped.
4. Push in and turn gas control knob
clockwise to “OFF”.
(If not previously
lit, the knob should be in this position.)
5. Wait (5) five minutes to clear out any
gas. If you then smell gas, STOP!
Smell
all around the appliance area for gas.
Be sure to smell next to the floor because
some gases are heavier than air and will
settle on the floor
. If you smell gas
