2
Risk of fire. Do not use as a residential or household
heater.
Hazard of Fire or Discoloration of Temperature Sen-
sitive Fabrics. Do not use as a residential or house-
hold heater. Keep combustible material and such
fabrics away from heater. Do not operate heater
where flammable vapors, gases or liquids are pres-
ent. Heaters in the heat mode should not be oper-
ated in room temperatures above 130°F. Fan motor
is not designed to operate in ambients below -10°F.
To avoid personal injury read “IMPORTANT INSTRUC-
TIONS” on page 2 before installation or operation of
heater.
Keep electrical cords and combustible materials,
such as drapes and other furnishings, away from
heater.
Table 1 - Specifications
Model
Electrical Data (60 Hz)
Dimensions (In.)
Volts
kW
Phase
Amps* 1/3 PH
BTU
Height
Width
Depth
SDRA-30-43
480
30
3
37.2
102,360
38.5
26
44
SDRA-30-93
600
30
3
30.0
102,360
38.5
26
44
SDRA-48-43
480
48
3
58.9
163,776
38.5
30-1/4
44
SDRA-48-93
600
48
3
47.3
163,776
38.5
30-1/4
44
SDRA-60-43
480
60
3
73.3
204,720
38.5
30-1/4
44
SDRA-60-93
600
60
3
58.9
204,720
38.5
30-1/4
44
IMPORTANT: SAVE THESE INSTRUCTIONS
IMPORTANT INSTRUCTIONS
When using electrical appliances, basic precautions should
always be followed to reduce the risk of fire, electric shock
and injury to persons, including the following:
1. Read all instructions before using this heater.
2. This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces. If provided, use handles
when moving this heater. Keep combustible materials,
such as furniture, pillows, bedding, papers, clothes, and
curtains at least 3 feet (0.9m) from the front of the heater
and keep them away from the sides and rear.
3. Extreme caution is necessary when any heater is used by
or near children or handicapped individuals and when-
ever the heater is left operating and unattended.
4. Always disconnect heater when not in use.
5. Do not operate any heater with a damaged cable or plug
or after the heater malfunctions, has been dropped or
damaged in any manner. Return heater to authorized
service facility for examination, electrical or mechanical
adjustments, or repair.
6. Do not use outdoors.
7. This heater is not intended for use in bathrooms, laundry
areas and similar indoor locations. Never locate heater
where it may fall into a bathtub or other water container.
8. Do not run cord under carpeting. Do not cover cord with
throw rugs, runners or the like. Arrange cord away from
traffic area and where it will not be tripped over.
9. To disconnect heater, turn thermostat off, then remove
plug from outlet.
10. Connect to properly grounded outlets only.
11. Do not insert or allow foreign objects to enter any venti-
lation or exhaust opening as this may cause an electric
shock, fire or damage the heater.
12. To prevent a possible fire, do not block air intakes or ex-
haust in any manner. Do not use on soft surfaces, like a
bed, where opening may become blocked.
13. A heater has hot and arcing or sparking parts inside.Do
not use it in areas where gasoline, paint, flammable liq-
uids are used or stored.
14. Use this heater only as described in this manual. Any
other use not recommended by the manufacturer may
cause fire, electric shock or injury to persons.
15. This heater is not intended for use with an extension
cord.
16.
SAVE THESE INSTRUCTIONS
.