Rinnai HDC 1600i Low NOX User Manual

Installation and User
Manual
REU-KBM3237FFUDHD-E
HDC 1600i Low NOx
REU-KBM3237WDHD-E
HDC 1600e Low NOx
Continuous Flow Water Heater
Important.
Read these instructions carefully before attempting installation or use of
this appliance. All work must be carried out by competent persons.

Rinnai HDC 1600i Low NOX Specifications

General

Fuel Type	Natural Gas
Energy Factor	0.82
Water Flow Rate	9.8 GPM
Maximum Flow Rate	9.8 GPM
Minimum Activation Flow Rate	0.4 GPM
Temperature Range	98°F - 140°F
Vent Material	PVC, CPVC, or Polypropylene
Ignition System	Electronic Ignition
Low NOx	Yes
Water Connections	3/4" NPT
Installation Type	Indoor
Category	Tankless Water Heater
Type	Tankless
Minimum BTU Input	15, 000 BTU/h
GPM @ 35°F Rise	9.8 GPM
Venting	Direct Vent
Compliance	CSA Certified
Gas Connection	3/4" NPT

Summary

USERS INSTRUCTIONS

Responsibilities of the USER

Outlines user duties, limitations, and safety guidelines for operating the Rinnai water heater.

FEATURES AND BENEFITS

IMPORTANT INFORMATION

OPERATION WITHOUT REMOTES

STATUS MONITOR

Explains the function and indicators of the built-in status monitor on the Rinnai water heater for operational feedback.

TEMPERATURE CONTROLS

ERROR MESSAGES

UK INSTALLATION INSTRUCTIONS

FLUE REQUIREMENTS

GAS PRESSURE SETTING

COMMISSIONING CHECK LIST

MAINTENANCE

UK WARRANTY

CONTACT

HEATER DETAILS

Section for recording specific information about the installed Rinnai water heater, such as model and serial number.