Rinnai R75LSI User Manual

— Do not store or use gasoline or other flammable vapors and

liquids in the vicinity of this or any other appliance.

— WHAT TO DO IF YOU SMELL GAS

•

Do not try to light any appliance.

•

Do not touch any electrical switch; do not use any phone in
your building.

•

Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.

•

If you cannot reach your gas supplier, call the fire
department.

— Installation and service must be performed by a qualified

installer, service agency or the gas supplier.

WARNING: If the information in these instructions is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or death.

Operation and Installation Manual

INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.

Table of Contents ....................2
Consumer Safety Information ..4
Operating Instructions..............5
Maintenance ............................12
Error Codes .............................13
Installation Instructions ............17
Consumer Support...................42

R50LSi ............... REU-VA2019FFUD
R75LSi ............... REU-VA2528FFUD(A)
R94LSi ............... REU-VA2535FFUD
R98LSi ............... REU-VA3237FFU
R98LSi-ASME.... REU-VA3237FFU-ASME

Direct Vent Tankless Water Heater

ANS Z21.10.3

●

CSA 4.3

FOR INDOOR APPLICATIONS ONLY