Rinnai E32S User Manual

8G.51.50.00/10.08 Changes reserved.
Installation & Servicing
Instructions
These instructions to be retained by user.
Boiler G.C No
E 32S 41-310-13
CE PIN 0063BR3405
High efficiency condensing
system boiler
E32S

Rinnai E32S Specifications

General

Model	E32S
Type	Condensing Boiler
Fuel Type	Natural Gas or Propane
Heating Capacity/Output	32, 000 BTU/hr
Efficiency	95% AFUE
Energy Star Certified	Yes
Ventilation	Direct Vent
Mounting	Wall-mounted
Maximum Input	32, 000 BTU/hr
Warranty	5 years on parts
Hot Water Flow Rate	N/A (Boiler for space heating only)

Summary

Mounting the Boiler

Boiler Mounting Location and Safety

Specifies installation site requirements and precautions.

Connecting the Boiler System

Central Heating and Pump Connections

Instructions for connecting heating pipes and circulation pump.

Gas Supply and Condensate Drainage

Procedures for safe gas connection and condensate removal.

Flue Gas and Air Supply System

Details components and installation of the flue system.

Electrical Connections and Wiring

Boiler Control System and Operation

Filling and Venting the Heating System

Boiler Commissioning Steps

Central Heating System Initial Operation

Procedures to start the central heating cycle.

Adjusting Boiler Operating Parameters

Isolating the Boiler

Commissioning Checks and Procedures

Checking for Boiler Contamination

CO₂ Level Verification and Adjustment

Boiler Maintenance and Servicing

Recommended Maintenance Schedule

Key Maintenance Activities

Steps for servicing fan, burner, and heat exchanger.

Technical Specifications

Error and Blocking Message Guide