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 80°F. Fan motor
is not designed to operate in ambients below -40°F.
To avoid personal injury read “IMPORTANT INSTRUC-
TIONS” 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
DRA-07-83
208
7.5
1 and 3
36.3/21.0
25,590
34.25
27.5
25
DRA-07-23
240/208
7.5/5.6
1 and 3
31.5/18.3**
25,590
34.25
27.5
25
DRA-10-83
208
9.75
1 and 3
47.1/27.3
33,267
34.25
27.5
25
DRA-10-23
240/208
9.75/7.3
1 and 3
40.8/23.7**
33,267
34.25
27.5
25
DRA-15-83
208
15
3
41.8
51,180
34.25
27.5
25
DRA-15-23
240/208
15/11.2
3
36.3**
51,180
34.25
27.5
25
DRA-15-43
480
15
1 and 3
31.4/18.2
51,180
34.25
27.5
25
DRA-15-63
600
15
1 and 3
25.2/14.6
51,180
34.25
27.5
25
DRA-20-23
240/208
19.5/15
3
47.1**
66,534
34.25
27.5
26.5
DRA-20-43
480
20
1 and 3
42.0/24.4
68,240
34.25
27.5
26.5
DRA-20-63
600
20
1 and 3
33.5/19.4
68,240
34.25
27.5
26.5
DRA-30-43
480
30
3
36.3
102,360
34.25
27.5
26.5
DRA-30-63
600
30
3
20.1
102,360
34.25
27.5
26.5
* = Includes motor amps
** = Ratings shown are for 240V, 208V amperage is 86% of 240V value.
Models shown as 1 and 3 phase are factory wired for 3 phase operation and can be field wired for single phase.
IMPORTANT: SAVE THESE INSTRUCTIONS