1.
Calculate the cubic footage of the enclosure. Length x Width x Height
(in feet) = Cubic Feet
Ignore deductions for benches or other intrusions as they
represent surface area to heat.
L x W x H = ________
2. Add the following adjustments to the cubic footage calculated in #1
above to account for your specific design
features. |
| |
A. Ceramic
tile thin set, acrylic or fiberglass. |
+ 0% |
____________ |
| |
B. Ceramic
tile mortar bed or cement backing board. |
+20% |
____________ |
| |
C. Cast
iron tub. |
+20% |
____________ |
| |
D. For
each glass or glass block wall or exterior wall (if freezing is
possible). |
+10% |
____________ |
| |
E. Natural
Stones (Marble, Granite, Slate). |
+100% |
____________ |
|
Total
(1+2A+2B+2C+2D+2E) |
|
____________ |
|
3. Compare the total
calculated in #2 above with the chart below. |
|
|
| *Available
Models |
240V, 1 PH |
208V, 1 PH |
|
AR4 |
75 |
50 |
|
AR5, AK5 |
100 |
60 |
|
AR6 |
160 |
85 |
|
AR7, AK7 |
220 |
110 |
|
AR8.5 |
300 |
190 |
|
AR10,
AK10 |
400 |
250 |
|
AR17,
AK17 |
725 |
560 |
|
AR20,
AK20 |
900 |
640 |
|
AR30,
AK30 |
1350 |
1000 |
| *
Larger AK models can be used to heat smaller rooms |
|
| Models |
208V, 3 PH |
|
3K8 |
300 |
|
3K12, AI12 |
500 |
|
3K14 |
600 |
|
AI18 |
750 |
|
3K20 |
800 |
|
3K24,
AI24 |
1000 |
|
3K28 |
1200 |
|
AI30 |
1250 |
|
3K36,
AI36 |
1500 |
|
AI42 |
1750 |
|
AI48 |
2000 |
|
|