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2 VA Series Indoor LS Manual
Specifications......................................................3
Consumer Safety Information
Safety Definitions .............................................4
Safety Behaviors and Practices .......................4
Safety Features................................................4
Description of Operation....................................5
Operating Instructions
Features Available on Remote Controllers ......5
Remote Controllers - Models.........................6,7
Setting the Temperature...................................8
Temperature Options Without
a Remote Controller .........................................8
Temperature Ranges .......................................9
Setting the Sound Volume................................9
Setting the Clock ..............................................9
Using the Water Smart Bath Fill Function......10
Overview....................................................10
Setting the Water Volume..........................10
Filling the Tub ............................................11
Setting Controller to Mute...............................11
Maintenance
Cleaning.....................................................12
Vent System...............................................12
Motors........................................................12
Remote Controller......................................12
Lime / Scale Buildup..................................12
Visual Inspection of Flame.........................12
Snow Accumulation ...................................12
Error Codes
Error Code Table.......................................13,14
Troubleshooting for Common Issues .............15
Accessing Operating Information ...................15
Water Quality..................................................15
Flushi
(Error Code: LC or 00)
ng the Heat Exchanger
.........................16
Installation Instructions....................................17
General Instructions.......................................17
Clearances from Appliance............................18
Attachment of the Water Heater.....................18
Electrical Connection .....................................19
Gas Piping
General Instructions.................................19
Pipe Sizing Procedure - Example ............20
Water Piping
General Instructions.................................21
Pressure Relief Valve ..............................21
Freeze Protection.....................................21
Freeze Protection Piping................................22
Recommended Piping for Basic Installation ..23
Recommended Piping for
Circulation Systems .......................................24
Optional Piping for Circulation Systems.........25
Venting Instructions
Inlet / Exhaust Guidelines ........................26
Condensate..............................................26
Maximum Vent Length.............................27
Vent Products ..........................................28
Flue Terminal Clearances
(ANS Z21.10.3 • CSA 4.3
).............................29
Additional Clearances ....................................30
Flue Installation - Concentric Venting
(R50LSi, R75LSi, R85LSi)..............................31
Flue Installation
(R98LSi, R98LSi-ASME)..........................32, 33
High Altitude Installation.................................34
Connecting Multiple Water Heaters................34
Remote Controller Installation
Location....................................................35
Configurations..........................................35
Cable Lengths and Size...........................35
Mounting the Controller............................36
Operating Instructions....................................37
Technical Data
Pressure Drop Curve .....................................38
Outlet Flow Data.............................................38
Space Heating................................................39
Dimensions.....................................................40
Ladder Diagram..............................................41
Consumer Support
Warranty Information......................................42
Limited Warranty ......................................42, 43
Table of Contents
This model has been built in accordance with
the requirements of the ASME Boiler and
Pressure Vessel Code and have received the
Certificate of Authorization from the National
Board. The heat exchanger on this unit has
the NB and HLW stamps.
R98LSi-ASME
R