4BN/L6,4SN/L5 Manual
IM100310
RD: DEC 2013
RL: 1B
6
2. INSTALLATION REQUIREMENTS
These installation and operating instructions are intended for Series 4SN/L5 and 4BN/L6 Heaters.
This appliance is an fixed post gas-fired infrared patio, deck and garden heater for operation with
Natural Gas (4SN5 and 4BN6) or Propane (4SL5 and 4BL6).
The burner is controlled and adjusted by the gas control knob at the top of the heater, and the gas
supply is routed through the inside of the pole using flexible gas hose.
Installation must conform with local codes or, in the absence of local codes, with the
National Fuel
Gas Code ANSI Z223.1 / NFPA 54
,
Natural Gas and Propane Installation Code, CAN/CGA-
B149.1,
or
Propane Storage and Handling Code B149.2
.
1. GENERAL
WARNING
:
Improper installation, operation, adjustment, alteration, servicing or mainte-
nance can cause severe property damage, serious injury or death.
Carefully read this User Guide before installing and setting up the heater.
This heater must only be installed and serviced by a qualified gas service technician. Failure to comply
could result in personal injury, death, fire and/or property damage.
The series 4SN/L5-24 and 4BN/L6-24 heaters must always maintain the proper clearance to com-
bustible materials. (Top 18” sides 24” below 24”). Do not use this heater in an explosive atmos-
phere or indoors. Keep heater away from areas where gasoline or other flammable liquids or va-
pors are stored. Maintain adequate clearance around air openings into the combustion chamber.
This appliance is a fixed post gas-fired infrared patio heater for
outdoor use only and must be
used in a well ventilated area, and must not be used in a building, garage or any other en-
closed area
.
This appliance may be installed within shelter no more inclusive than:
With walls on all sides, but with no overhead cover
Within a partial enclosure which includes an overhead cover (maintain clearance to com-
bustibles above heater) and no more than two side walls. These side walls may be paral-
lel, as in a breezeway, or at right angles to each other
Within a partial enclosure which includes an overhead cover and three side walls, as long
as 30 percent or more of the horizontal periphery of the enclosure is permanently open
Fixed fuel piping system requirements:
Natural Gas
Propane Gas
Maximum Gas Supply Pressure
7” w.c.
14” w.c.
Recommended Gas Supply Pressure
5” w.c.
11” w.c.
Manifold Pressure
3.5” w.c.
10.5” w.c.
Operating Input Rating (Btuh)
38,000
38,000
3. SPECIFICATIONS:
Fuel supply must be regulated (regulator field supplied) to provide proper gas supply
pressure
Electrical: 24Vac
Effective radiant range: 8 to 20 foot circle (affected by wind and ambient temperature)
Heater net weight: 60 lbs
Certification: CSA International USA and Canada
4SN5 and 4BN6
4SL5 and 4BL6
