User Guide
On-Demand Rack System • 19
MAINTENANCE / SPECIFICATIONS
30.50 in.
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53.09 in.
Pipe Lengths:
ϲϲŝŶDyƉůƵƐĮƫŶŐƐ
NOTES:
1. TOP-MOUNTED AIR SUPPLY INLET/EXHAUST VENT ARE USED WITH INDOOR MODELS ONLY.
2. INDOOR AND OUTDOOR RACK SYSTEMS HAVE IDENTICAL DIMENSIONS. EXCEPTION: INDOOR MODELS HAVE
TOP-MOUNTED INTAKES AND EXHAUSTS. OUTDOOR MODELS DO NOT.
62.29 in.
20.75 in.
(INLETS)
20.75 in.
(EXHAUSTS)
SEE NOTE 1.
Heater
540 / T-H3, IN/OS*, NG/LP, 199,000 BTU/h
Number of Heaters
6
Total Input (BTU/h)
1,194,000
Max. Flow at 50°F ΔT (gpm)
45.6
Max. Flow at 60°F ΔT (gpm)
37.8
Max. Flow at 70°F ΔT (gpm)
32.4
Max. Flow at 80°F ΔT (gpm)
28.2
Max. Flow at 90°F ΔT (gpm)
25.2
Max. Flow at 100°F ΔT (gpm)
22.8
* IN - Indoor Model; OS - Outdoor Model
Six Units
NOTICE:
• Your configuration may
include three, four, five,
or six water heaters.
• Indoor models are
shown in these graphics.
However, some
configurations include
outdoor models. The
dimensions are the same
except as noted in the
footnotes below.