Model Number Nomenclature - Rinnai 37AHA Series Training Manual

Model Number Nomenclature

Model
37AH - Multi-speed Hydronic Air Handler
Series
Denotes a major design change in the
product line (i.e. capacity)
Nominal Heating Capacity (BTU/h)
045 = 45,000
060 = 60,000
075 = 75,000
090 = 90,000
37AH A 045
Cooling / Heating Air Flow Range (CFM)
08 = 800 (650-800)
12 = 1200 (650-1200)
14 = 1400 (1000-1600)
16 = 1600 (1200-1750)
Rinnai Corporation Hydronic Air Handler 101 Training Manual
08 K A 5
Engineering Digit
Denotes minor change
(not present in sales or service
literature)
Voltage Code (V-Ph-HZ)
K = 115 - 1 - 60
L = 240 - 1 - 50 (export models)
Multi-position
5 = Yes
2 = No
3