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California Proposition 65 lists chemical substances known to the state to cause cancer, birth defects, death,
serious illness or other reproductive harm. This product may contain such substances, be their origin from fuel
combustion (gas, oil) or components of the product itself.
Specifications ..................................................... 3
Safety Definitions ............................................. 4
Safety Behaviors and Practices ....................... 4
Safety Features................................................ 4
Description of Operation .................................... 4
Controllers ........................................................ 5
Temperature Controllers - Models ............... 6, 7
How to Set the Temperature ............................ 8
Temperature Controller Settings ...................... 9
a Temperature Controller ................................. 9
Overview ................................................... 10
Setting the Water Volume ......................... 10
Filling the Tub ............................................ 11
Setting Controller to Mute .............................. 11
Setting the Clock ............................................ 11
Cleaning .................................................... 12
Vent System (V53i) ................................... 12
Air Intake and Exhaust (V53e) .................. 12
Motors ....................................................... 12
Temperature Controller ............................. 12
Lime / Scale Build-up ................................ 12
Snow Accumulation ................................... 12
Visual Inspection of Flame ........................ 12
Front Panel Display Indication ....................... 13
Error Code Table ...................................... 13,14
Trouble Shooting for Common Issues ........... 15
Accessing Operating Information................... 15
Water Quality ................................................. 15
(Error Code: LC or 00) ................................... 16
Installation Instructions ................................... 17
General Instructions ....................................... 17
Clearances from Appliance ............................ 18
Attachment of the Water Heater .................... 18
Electrical Connection ..................................... 19
Gas Piping ..................................................... 19
General Instructions ................................ 19
Pipe Sizing Procedure - Example ............ 20
General Instructions ................................ 21
Pressure Relief Valve .............................. 21
Freeze Protection .................................... 21
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Table of Contents
V53i & V53e Operation and Installation Manual
Freeze Protection Methods ............................ 22
Manual draining of the water heater ........ 22
the water heater to prevent freezing........ 22
piping has frozen ..................................... 22
Freeze Protection Piping ............................... 23
Control Switch .............................................. 24
Circulation Systems ....................................... 25
Optional Piping for Circulation Systems ........ 26
Intake / Exhaust Guidelines ..................... 27
Condensate ............................................. 27
Maximum Vent Length ............................ 28
Vent Products .......................................... 28
Additional Clearances (V53i) ......................... 31
Additional Clearances (V53e) ........................ 32
Connecting Multiple Water Heaters ............... 33
High Altitude Installations ........................ 33, 34
Location ................................................... 35
Configurations.......................................... 35
Cable Lengths and Size .......................... 35
Mounting the Controller (V53i) ................. 36
Mounting the Controller (V53e) ............... 37
Operating Instructions ................................... 38
Pressure Drop Curve ..................................... 39
Outlet Flow Data ............................................ 39
Space Heating ............................................... 40
Dimensions .................................................... 41
Ladder Diagrams ..................................... 42, 43
Warranty Information ..................................... 44
Limited Warranty ...................................... 44, 45
State Regulations .............................................. 46
French Version ............................................ 47-63
)
.............................. 30
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