andrews WHiX49 - Table of Contents; Contents

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Contents
Contents ......................................................................................................... 2
Owner’s Guide
Important Safety Information ....................................................................... 3
Overview of Condensing Gas Water Heater ............................................... 7
RC-9018C <Optional> Operation Overview ................................................ 8
General Parts
Main Unit ................................................................................................... 10
Names and Functions of Controllers ......................................................... 13
Initial Operation ............................................................................................ 15
System Check ............................................................................................... 16
How to Use
[For All Systems]
Using the Water Heater ............................................................................ 18
Setting Hot Water Temperature ............................................................... 19
Automatic Water Heater “ON” or “OFF” Operation ................................ 20
Locking the Remote Controller ............................................................... 22
Clock Adjustment ..................................................................................... 23
Customizable Settings <Misc settings> ................................................. 24
[For System[Rcrc]]
Enabling Automatic Recirculation Operation ........................................ 28
Manually Starting Recirculation Operation ........................................... 29
Setting the Recirculation System Operation Timer ............................... 30
[Single Water Heater Only]
Flow Meter Alarm ..................................................................................... 32
Preventing Damage from Freezing ............................................................. 34
When Unused for an Extended Period ....................................................... 35
Regular Maintenance ................................................................................... 37
Troubleshooting ........................................................................................... 40
Follow-up Service ........................................................................................ 45
Specifi cations ............................................................................................... 47
Default Settings ............................................................................................ 53
Water Quality ................................................................................................ 53
Maintenance ................................................................................................. 54