Table of Contents
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Specifications ..................................................... 3
Safety Definitions ............................................. 4
Safety Behaviors and Practices ....................... 4
Safety Features ............................................... 4
Description of Operation ................................... 5
Controllers ....................................................... 5
Setting the Temperature .................................. 6
a Temperature Controller ................................ 6
Temperature Ranges ....................................... 7
Setting Controller to Mute ................................ 7
Cleaning ...................................................... 8
Vent System ................................................ 8
Motors ......................................................... 8
Temperature Controller ............................... 8
Lime / Scale Build-up .................................. 8
Snow Accumulation..................................... 8
Visual Inspection of Flame .......................... 8
Error Code Table ....................................... 9, 10
Trouble Shooting for Common Issues ........... 11
Accessing Operating Information .................. 11
Water Quality ................................................. 11
Flushing the Heat Exchanger ........................ 12
(Error Code: LC or 00)
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Table of Contents
Installation Instructions ................................... 13
General Instructions ...................................... 13
Clearances from Appliance ........................... 14
Attachment of the Water Heater .................... 14
Electrical Connection ..................................... 15
Freeze Protection Piping ............................... 18
Circulation Systems ....................................... 20
Optional Piping for Circulation Systems ........ 21
Venting Products ........................................... 24
Additional Clearances - Vent Terminal .......... 26
Flue Installation for 305 and 505 Models ...... 27
Flue Installation for 705 Model ................ 28, 29
High Altitude Installation ................................ 30
Connecting Multiple Water Heaters ............... 30
Operating Instructions ................................... 33
Pressure Drop Curve ..................................... 34
Outlet Flow Data ............................................ 34
Space Heating ............................................... 35
Dimensions .................................................... 36
Ladder Diagram ............................................. 37
Warranty ...................................................... 38, 39
305, 505, 705 Indoor Manual
General Instructions ................................ 15
Pipe Sizing Procedure - Example ........... 16
General Instructions ................................ 17
Pressure Relief Valve .............................. 17
Freeze Protection .................................... 17
Intake / Exhaust Guidelines .................... 22
Condensate ............................................. 22
Maximum Vent Length ............................ 23
)
............................ 25
Location ................................................... 31
Configurations ......................................... 31
Cable Lengths and Size .......................... 31
Mounting the Controller ........................... 32
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