37AHA SERIES
HYDRONIC AIR HANDLER
SIZES 045 THRU 090
Installation, Operation, and Maintenance Manual
Quality Assurance
This product is manufactured in a
facility registered by UL to ISO 9001.
File No. A6887.
UL recognized
component
Consumer Safety Information................................ 2
Overview of the Rinnai Hydronic Air Handler........ 3
Model Number Nomenclature ............................... 3
Physical Data......................................................... 4
Receiving & Checking Equipment......................... 5
Installation
Clearances .................................................... 5
Locating and Mounting............................... 6-9
Plumbing................................................. 10-13
Electrical Connections............................ 14-16
Dip Switch Options...................................... 17
Thermostat Installation........................... 17-18
Start-Up Procedure ..................................... 19
Troubleshooting...................................... 20-23
Sequence of Operation ..................................24-26
Maintenance.................................................. 26, 27
Selection Guide ............................................. 27, 28
Specifications ...................................................... 29
Air Delivery Performance .................................... 30
Accessories ......................................................... 31
Hydronic Air Handler Output .......................... 32-34
Wiring Diagrams............................................. 35-37
Parts List......................................................... 38-39
Limited Warranty ............................................ 40-41
2100-500
To register your hydronic air handler or tankless water heater,
please visit www.rinnairegistration.com
.
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