American Standard TCWH-199-AS Installation Start-Up Maintenance Parts page 6

TANKLESS WATER HEATER
Part 6 Install the condensate drain
Part 7 Gas piping
A. Gas pipe sizing tables
1. Gas Pipe Sizing
2. Natural Gas Pipe Sizing
3. LP (Liquid Propane) Gas Pipe Sizing
B. Gas connection requirements
C. Adjusting gas pressure at the water heater
D. Setting and verifying the combustion setting
Part 8 Water piping
A. General plumbing connection guidelines
B. Install a backflow preventer
C. Piping the water heater
D. Applications
E. Pressure relief valve
Part 9 Connect electrical power / initial startup
A. Wiring information
B. Dip switches.
Part 10 Operating system instructions
A. Control panel
B. LCD display descriptions
C. Start-up sequence
D. Changing the DHW set-point
E. Changing the temperature indicator
G. Status display mode
H. Installer mode
I. Error mode
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