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SUPERIOR
BTU Input
This appliance is manually controlled and
features a spark igniter (piezo) that allows
the appliance pilot gas to be lit without the
use of matches or batteries. This system
provides continued service in the event of a
power outage.
This model comes standard with a manually-
modulated gas valve. Flame appearance and
heat output can be controlled at the gas valve.
The system can be operated during a power
outage, and features manually operated
HI/LO flame control. The BTU Input for this
appliance is shown in Table 1.
Input Rate (BTU/HR)
Models
Nat. Gas
20,000 high
SDV35-2
12,800 low
Table 1: Input (BTU/HR) Gas Valves
f i r e - p a r t s . c o m
Gas Pressure Requirements
Tables 2 and 3 show the appliance inlet and
manifold gas pressure requirements:
Fuel #
Minimum
4.5 in. WC
Natural
(1.12 kPa)
Gas
11.0 in. WC
Propane
(2.74 kPa)
Table 2: Inlet Gas Supply Pressure
Fuel #
Low
Natural
1.6 in. WC
Gas
(0.40 kPa)
6.3 in. WC
10.0 in. WC
Propane
(1.57 kPa)
Table 3: Manifold Gas Supply Pressure
• DIRECT VENT GAS FIREPLACES (SDV35-N-2) • CARE AND OPERATION INSTRUCTIONS
®
Test gauge connections are provided on
the front of the millivolt gas control valve
(identified IN for the inlet and OUT for the
manifold side). The control valve has a
3/8 in. (10mm) NPT thread inlet and outlet
side of the valve (refer to Figures 2).
Propane tanks are at pressures that will
cause damage to valve components. Verify
that the tanks have step down regulators to
reduce the pressure to safe levels.
The appliance and its appliance main gas
valve must be disconnected from the gas
supply piping system during any pressure
testing of that system at test pressures in
excess of 1/2 psi (3.5 kPa).
The appliance must be isolated from
the gas supply piping system by closing
its equipment shutoff valve during any
Prop. Gas
pressure testing of the gas supply piping
20,000 high
system at test pressures equal to or less
15,200 low
than 1/2 psi (3.5 kPa).
Orifice Sizes—Sea Level to High Altitude
These appliances are tested and approved
for installation at elevations of 0-4500 feet
(0-1372 meters) above sea level using the
standard burner orifice sizes (marked with an
"*" in Table 4 ).
Maximum
For elevations above 4500 feet, contact your
gas supplier or qualified service technician.
10.5 in. WC
(2.61 kPa)
Model
13.0 in. WC
Series
(3.23 kPa)
SDV35-2
High
Table 4: Burner Orifice Sizes—
Elevation 0–4500 ft ( 0–1372 m)
3.5 in. WC
(0.87 kPa)
(2.49 kPa)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Nat.Gas
Propane
drill size (inches)
drill size (inches)
#44 (0.086 in.)*
#55 (0.052 in.)*
60J80•
19L52•
* Standard size installed at factory
• Part /Cat. Number
Deration—At higher elevations, the amount
of BTU fuel value delivered must be reduced
by either using gas that has been derated by
the gas company or by changing the burner
orifice to a smaller size as regulated by the
local Authorities Having Jurisdiction and by
the (USA) National Fuel Gas Code NFPA 54—
latest edition / ANSI Z223.1 or, in Canada, the
CAN/CGA-B149.1 codes—latest edition.
Install the appliance according to the
regulations of the local Authorities Having
Jurisdiction and, in the USA, the National Fuel
Gas Code NFPA 54—latest edition / ANSI
Z223.1 or, in Canada, the CAN/CGA-B149.1—
latest edition.
Flame breadth, height and width will diminish
4% for every 1,000 feet of altitude.
In Canada - CAN/CGA-2.17-M91 (R2009)
(high altitude):
THE CONVERSION SHALL BE CARRIED
OUT BY A MANUFACTURER'S AUTHORIZED
REPRESENTATIVE, IN ACCORDANCE
WITH THE REQUIREMENTS OF THE
MANUFACTURER, PROVINCIAL OR
TERRITORIAL AUTHORITIES HAVING
JURISDICTION AND IN ACCORDANCE
WITH THE REQUIREMENTS OF THE
CAN/CGA-B149.1 OR CAN/CGA-B149.2
INSTALLATION CODES.
Burn-in Period
During the first few fires with this appliance
there will be some odor due to the curing of
the paint and burning off of lubricants used
in the manufacturing process. Depending on
your use, the burn-in period may take a few
hours or a few days.
KEEP YOUR HOUSE WELL-VENTILATED
DURING THE CURING PROCESS. THE ODOR
AND HAZE EMITTED DURING THE CURING
PROCESS CAN BE QUITE NOTICEABLE AND
MAY SET OFF A SMOKE DETECTOR.
Do not turn the blower on during the burn-in
period.
NOTICE:
A white film may develop
on the glass enclosure panel during
the first few fires as part of the burn-in
process.
The first few times you use the
fireplace, clean the glass after each use
(AFTER THE GLASS HAS COMPLETELY
COOLED); otherwise, the white film
will bake onto the glass and become
difficult to remove.
See glass cleaning instructions on
Page 10.
7
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