Camus Hydronics Valiant FT VA0080, Manual

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Table of Contents
1.0 GENERAL INFORMATION ........................................................................................................................1
1.1 INTRODUCTION
.....................................................................................................................................1
1.2 CODES ......................................................................................................................................................1
2.0 INSTALLATION ............................................................................................................................................1
2.1 UNIT LOCATION .....................................................................................................................................1
2.1.1 Overall Dimensions (Wall-Hung) .........................................................................................1
2.1.2 Overall Dimensions (Floor Mounted) .................................................................................2
2.1.3 Service Clearances*
.............................................................................................................2
2.2 COMBUSTION AIR AND VENTILATION ...........................................................................................2
2.2.1 Venting Materials ..................................................................................................................4
2.2.2 Vertically Direct Vented .......................................................................................................4
2.2.3 Horizontally Direct Vented ...................................................................................................5
2.2.4 Sidewall Clearance Specifications .....................................................................................8
2.2.5 Removal of Existing Appliance (If Applicable) .................................................................9
2.3 GAS CONNECTION ...............................................................................................................................9
2.3.1 Gas Piping .............................................................................................................................9
2.3.2 Gas Supply Pressure ......................................................................................................... 10
2.3.3 Gas Regulators and Lockup Pressure ............................................................................. 10
2.3.4 Connecting the Gas Supply Piping .................................................................................. 10
2.4 WATER CONNECTION ...................................................................................................................... 10
2.4.1 Freeze Protection
................................................................................................................ 11
2.4.2 Connecting to the Valiant FT ............................................................................................. 11
2.4.3 Low Water Cut-off (LWCO) ................................................................................................ 11
2.4.4 High Limit ............................................................................................................................ 12
2.4.5 Minimum Pipe Size Requirements .................................................................................... 12
2.4.6 FLOW AND PRESSURE DROP AT A GIVEN ∆T .............................................................. 12
2.4.7 PRESSURE DROP CHARTS .............................................................................................. 13
2.4.8 PUMP SELECTION
.............................................................................................................. 14
2.4.9 WATER QUALITY ................................................................................................................ 14
2.5 ELECTRICAL CONNECTIONS ......................................................................................................... 14
2.5.1 Minimum Power Requirements ......................................................................................... 14
3.0 COMBUSTION COMPONENTS ............................................................................................................... 15
3.1 AIR/ GAS RATIO CONTROL VALVE ............................................................................................... 15
3.2 GAS PRESSURE SWITCHES (Optional) ....................................................................................... 15
3.2.1 Low Gas Pressure .............................................................................................................. 15
3.2.2 High Gas Pressure .............................................................................................................. 15
3.3 AIR PRESSURE SWITCHES ............................................................................................................ 15
3.3.1 Blocked Flue Switch
........................................................................................................... 15