Space Ray LTU Series Two Stage - Manual (Page 5)

Form #42710010
May 2013
-3-
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.
Install the warnings card (ordered separately) and complete the blank spaces using the clearances from
combustibles table below. See Section 24 for a printed copy of the warnings card.
Minimum clearances to combustibles shall be measured from the outer surfaces as shown in the following
diagram:
End
End
Ceiling
Below
Front
Rear
45° Angle (Maximum)
* Ceiling
Below
Side Side
Horizontal
MINIMUM CLEARANCES TO COMBUSTIBLES MINIMUM CLEARANCES TO COMBUSTIBLES MINIMUM CLEARANCES TO COMBUSTIBLES MINIMUM CLEARANCES TO COMBUSTIBLES
Model No. Model No. Model No. Model No.
Mounted Horizontally Mounted Horizontally Mounted Horizontally Mounted Horizontally
Angle Mounted at Angle Mounted at Angle Mounted at Angle Mounted at
45º 45º 45º 45º
Sides Sides Sides Sides Ceiling* Ceiling* Ceiling* Ceiling* Below Below Below Below Ends Ends Ends Ends 45º Front 45º Front 45º Front 45º Front 45º Rear 45º Rear 45º Rear 45º Rear
LTU 40, 50 24” 6” 40” 15” 40” 12”
LTU 60, 75 24” 6” 60” 15” 52” 12”
* When used indirect vented, minimum clearance for CEILING must be: 12”.
▲WARNING: ▲WARNING: ▲WARNING: ▲WARNING: Certain materials or objects, when stored under the heater, will be subjected to radiant heat and Certain materials or objects, when stored under the heater, will be subjected to radiant heat and Certain materials or objects, when stored under the heater, will be subjected to radiant heat and Certain materials or objects, when stored under the heater, will be subjected to radiant heat and
could be seriously damaged. Observe the Minimum Clearances to Combustibles listed in th could be seriously damaged. Observe the Minimum Clearances to Combustibles listed in th could be seriously damaged. Observe the Minimum Clearances to Combustibles listed in th could be seriously damaged. Observe the Minimum Clearances to Combustibles listed in the manual and on the e manual and on the e manual and on the e 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 maintained to combustibles and other materials that may be The clearances specified above must be maintained to combustibles and other materials that may be The clearances specified above must be maintained to combustibles and other materials that may be The clearances specified above must be maintained to combustibles and other materials that may be
damaged by temperatures 90ºF above ambient temperature. Clearances to combustibles are posted on the damaged by temperatures 90ºF above ambient temperature. Clearances to combustibles are posted on the damaged by temperatures 90ºF above ambient temperature. Clearances to combustibles are posted on the damaged by temperatures 90ºF above ambient temperature. Clearances to combustibles are posted on the
contr
contr contr control box. In areas used for storage of combustible materials where they may be stacked below the heater, ol box. In areas used for storage of combustible materials where they may be stacked below the heater, ol box. In areas used for storage of combustible materials where they may be stacked below the heater, ol box. In areas used for storage of combustible materials where they may be stacked below the heater,
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 t
to maintain the required clearances from t to maintain the required clearances from t to maintain the required clearances from the heater to combustibles.” Space he heater to combustibles.” Space he heater to combustibles.” Space he heater to combustibles.” Space----Ray recommends posting these Ray recommends posting these Ray recommends posting these Ray recommends posting these
signs adjacent to the heater thermostat or other suitable location that will provide enhanced visibility. signs adjacent to the heater thermostat or other suitable location that will provide enhanced visibility. signs adjacent to the heater thermostat or other suitable location that will provide enhanced visibility. signs adjacent to the heater thermostat 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 90 2. The stated clearance to combustibles represents a surface temperature of 90 2. The stated clearance to combustibles represents a surface temperature of 90 ºF ºF ºF 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 siding, canvas, tri temperature. Building materials with a low heat tolerance (such as plastics, vinyle siding, canvas, tri temperature. Building materials with a low heat tolerance (such as plastics, vinyle siding, canvas, tri temperature. Building materials with a low heat tolerance (such as plastics, vinyle siding, 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 ar
materials ar materials ar materials are protected from degradation. e protected from degradation. e protected from degradation. e protected from degradation.