5
RFSUV34 Vent-Free Heater
10001769
Safety Devices
Adequate combustion and ventilation air must be pro-
vided. The flow of combustion and ventilation air MUST
NOT be obstructed.
Provide adequate clearances around the air opening
into the combustion chamber and adequate accessibili-
ty clearance for servicing and proper operation. NEVER
obstruct any opening of the heater.
This heater is equipped with a pilot system featuring an
Oxygen Depletion Sensor (O.D.S.) shut-off device. All
unvented heaters are required to have this system. The
O.D.S. pilot will shut down the heater when there is no
provision for adequate combustion air.
Report any parts damaged in shipment to your dealer.
Clearance to Combustibles
Adequate clearances as listed below must be
maintained for servicing and proper operation:
Leave at least 36" clearance from front of heater to
combustibles.
*Side ........................................................................ 12"
Combustible Floor ...................................................... 0"
Top ............................................................................ 36"
Back ........................................................................... 1"
Corner ...............................................0" to Back Edges
Locating Unit
HS113
locating unit
12/02
HS113
Fig. 2
Locating unit.
A) *Flat on wall corner
B) *Room divider
C) Island
D) Cross corner
E) Flat on wall
* A & B must maintain a 12"(305mm) clearance
between the wall and side of window frame of fireplace.
** When placing the fireplace against a wall maintain
a minimum of 1" clearance between wall and back of
fireplace.
Gas Supply Pressures
This heater must be isolated from the gas supply piping
system by closing its individual manual shut-off valve
during any pressure equal to or less than 1/2 psig (3.45
kPa).
The heater and its individual shut-off 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 psig (3.45 kPa).
Natural Gas
LP
Minimum Inlet Pressure
5.5" w.c.
11.0" w.c.
Maximum Inlet Pressure 14.0" w.c.
14.0" w.c.
Manifold Pressure
3.5" w.c.
10.0" w.c.
The installation of your fireplace must conform
with local codes, or in the absence of local
codes, with National Fuel Gas Code, ANSI
Z223.1/NFPA 54 latest edition.
(EXCEPTION: Do not derate this appliance for
elevations up to 4,500 ft. (1,370m). Maintain
the manifold pressure at 3.5" w.c. for Natural
Gas and 10" w.c. for LP gas)
High Elevations
Input ratings are shown in BTU per hour and are
certified without deration from elevations up to
4,500 feet (1,370m) above sea level.
Nuisance outages may occur at altitudes above
4,500 feet (1,370m) if dirt, dust, lint and/or cob-
webs are allowed to accumulate on burner and/or
ODS pilot. Monthly inspection and cleaning is
recommended for altitudes above 4,500 feet
(1,370m)
For elevations above 4,500 feet (1,370m), instal-
lations must be in accordance with the current
ANSI Z223.1/NFPA 54 and/or local codes having
jurisdiction.
RFSUV34
Certified To
ANSI Z 21.11.2b-2004
Unvented Room Heaters
Max.
Min.
Input
Input
Model
Fuel
Gas Control
B.T.U.H.
B.T.U.H.
RFSUV34RN Natural Thermostat Hi/Lo 30,000
21,000
RFSUV34RP Propane Thermostat Hi/Lo 30,000
22,550
Gas Specifications
Units: U41A00, U41B00
