Installation / Operation Instruction Manual

9
Specifications continued-
Table 4: Water Heater Performance
Model
Maximum First
Hour Rating
(Gal/Hr) @
140°F 115°F
Continuous
Draw Rating
(Gal/Min) @
140°F 115°F
Approximate
Boiler Output
Needed For
Ratings (BTU/hr)
30-Gal. / Res.
226
342
3.3
5.2
180,000
40-Gal. “R” / Res.
235
351
3.3
5.2
180,000
50-Gal. “R” / Res.
244
360
3.3
5.2
180,000
65-Gal. / Res.
258
374
3.3
5.2
180,000
65-Gal. / Com.
396
582
5.7
8.8
300,000
80-Gal. / Res.
272
388
3.3
5.2
180,000
80-Gal. / Com.
408
594
5.7
8.8
300,000
120-Gal. / Res.
309
425
3.3
5.2
180,000
120-Gal. / Com.
445
631
5.7
8.8
300,000
NOTES: Based on 200°F boiler water temperature and 50°F potable
water inlet temperature.
Table 5: Water Heater Performance
MODEL
Hot Water
Availability
(Minutes)
Coil Heat
Transfer Area
(Sq Ft)
Pressure Drop at
Rated Heat Source
Flow Rate
(Feet of Head)
30-Gal. / Res.
5.5
14.2
1.5
40-Gal. “R” / Res.
7.5
14.2
1.5
50-Gal. “R” / Res.
9.0
14.2
1.5
65-Gal. / Res.
11.0
14.2
1.5
65-Gal. / Com.
10.5
27.2
5.0
80-Gal. / Res.
13.5
14.2
1.5
80-Gal. / Com.
13.2
27.2
5.0
120-Gal. / Res.
20.8
14.2
1.5
120-Gal. / Com.
20.6
27.2
5.0