Form 43471010
-4- Sept 2011
4.0) MINIMUM CLEARANCES TO COMBUSTIBLES
Failure to do so may result in death, serious injury or
property damage.
Combustible material must be located outside the
clearance dimensions listed.
Minimum clearances to combustibles shall be measured from the outer surfaces as shown in the following
diagram. For reduced clearances below the heater, use the Deflector Kit (Part No. 43504010), described in
Section 6.1), and maintain the minimum clearances specified in the notes below. Follow the instructions
packaged with the kit for installation.
End
End
Ceiling
Below
Front
Rear
45° Angle (Maximum)
* Ceiling
Below
Side
Side
Horizontal
MINIMUM CLEARANCES TO COMBUSTIBLES
MINIMUM CLEARANCES TO COMBUSTIBLESMINIMUM CLEARANCES TO COMBUSTIBLES
MINIMUM CLEARANCES TO COMBUSTIBLES
Model No.
Model No.Model No.
Model No.
Mounted Horizontally
Mounted HorizontallyMounted Horizontally
Mounted Horizontally
Angle Mounted at 45º
Angle Mounted at 45ºAngle Mounted at 45º
Angle Mounted at 45º
Sides
SidesSides
Sides
Ceiling
CeilingCeiling
Ceiling
1
11
1
Below
BelowBelow
Below
2
22
2
Ends
EndsEnds
Ends
45
4545
45º Front
º Frontº Front
º Front
45º Rear
45º Rear45º Rear
45º Rear
1
The clearance is 12” when installed in an UNVENTED
UNVENTEDUNVENTED
UNVENTED configuration in industrial and commercial installations.
2
IN CANADA
IN CANADAIN CANADA
IN CANADA, clearances below the heater are:
SIR25: 36” (27” with deflector);
SIR35/45: 48” (36” with deflector)
* The clearance is 33” with deflector.
** The clearance is 42” with deflector / 30” side clearance with deflector.
▲WARNING:
▲WARNING:▲WARNING:
▲WARNING:
Certain materials or object
Certain materials or objectCertain materials or object
Certain materials or objects, when stored under the heater, will be subjected to radiant heat and
s, when stored under the heater, will be subjected to radiant heat and s, when stored under the heater, will be subjected to radiant heat and
s, when stored under the heater, will be subjected to radiant heat and
could be seriously damaged.
could be seriously damaged.could be seriously damaged.
could be seriously damaged.
Observe the Minimum Clearances to Combustibles listed in the manual and on the
Observe the Minimum Clearances to Combustibles listed in the manual and on the Observe the Minimum Clearances to Combustibles listed in the manual and on the
Observe the Minimum Clearances to Combustibles listed in the manual and on the
heater at all times.
heater at all times.heater at all times.
heater at all times.
NOTE:
NOTE:NOTE:
NOTE:
1.
1. 1.
1. The clearances specified above must be maintain
The clearances specified above must be maintainThe clearances specified above must be maintain
The clearances specified above must be maintained to combustibles and other materials that may be
ed to combustibles and other materials that may be ed to combustibles and other materials that may be
ed to combustibles and other materials that may be
damaged by temperatures 90ºF above ambient temperature.
damaged by temperatures 90ºF above ambient temperature.damaged by temperatures 90ºF above ambient temperature.
damaged by temperatures 90ºF above ambient temperature.
Clearances to combustibles are posted on the
Clearances to combustibles are posted on the Clearances to combustibles are posted on the
Clearances to combustibles are posted on the
control box.
control box.control box.
control box.
In areas used for storage of combustible materials where they may be stacked below the heat
In areas used for storage of combustible materials where they may be stacked below the heatIn areas used for storage of combustible materials where they may be stacked below the heat
In areas used for storage of combustible materials where they may be stacked below the heater,
er, er,
er,
NFPA54 requires that the installer must post signs that will “specify the maximum permissible stacking height
NFPA54 requires that the installer must post signs that will “specify the maximum permissible stacking height NFPA54 requires that the installer must post signs that will “specify the maximum permissible stacking height
NFPA54 requires that the installer must post signs that will “specify the maximum permissible stacking height
to maintain the required clearances from the heater to combustibles.”
to maintain the required clearances from the heater to combustibles.”to maintain the required clearances from the heater to combustibles.”
to maintain the required clearances from the heater to combustibles.”
SunStar
SunStarSunStar
SunStar
recommends posting these signs
recommends posting these signs recommends posting these signs
recommends posting these signs
adjacent to the heater thermostat
adjacent to the heater thermostatadjacent to the heater thermostat
adjacent to the heater thermostat
or other suitable location that will provide enhanced visibility.
or other suitable location that will provide enhanced visibility.or other suitable location that will provide enhanced visibility.
or other suitable location that will provide enhanced visibility.
2. The stated clearance to combustibles represents a surface temperature of 90
2. The stated clearance to combustibles represents a surface temperature of 902. The stated clearance to combustibles represents a surface temperature of 90
2. The stated clearance to combustibles represents a surface temperature of 90
ºF
ºFºF
ºF
(32
(32(32
(32
ºC) above room
ºC) above room ºC) above room
ºC) above room
temperature. Building materials with a low heat tolerance (such as plastics, vinyle sidi
temperature. Building materials with a low heat tolerance (such as plastics, vinyle siditemperature. Building materials with a low heat tolerance (such as plastics, vinyle sidi
temperature. Building materials with a low heat tolerance (such as plastics, vinyle siding, canvas, tri
ng, canvas, tring, canvas, tri
ng, canvas, tri-
--
-ply, etc.)
ply, etc.) ply, etc.)
ply, etc.)
may be subject to degradation at lower temperatures. It is the installer’s responsibility to assure that adjacent
may be subject to degradation at lower temperatures. It is the installer’s responsibility to assure that adjacent may be subject to degradation at lower temperatures. It is the installer’s responsibility to assure that adjacent
may be subject to degradation at lower temperatures. It is the installer’s responsibility to assure that adjacent
materials are protected from degradation.
materials are protected from degradation.materials are protected from degradation.
materials are protected from degradation.