Instructions / Assembly

2
CLEARANCES
 Space required: See page 12.
 Minimum and service clearances: See page 7 for
clearances table. Note that local codes prevail.
PIPING
 Pressure relief valve: See page 20 for recommended
PRV orientation.
 Flow rates: See page 17 for ow rate values.
GAS
 Distance to regulator (pipe lengths) and gas inlet
sizes: See page 17.
 Required pressure for Natural Gas:
Min = 6" WC, Max = 10.5" WC
 Required pressure for Propane Gas:
Min = 12" WC, Max = 13" WC
 Sediment trap is required for all installations.
See page 15.
WATER CHEMISTRY
 Water chemistry requirements: See page 5.
POWER
 Supply voltage: See page 23 for acceptable input
voltages.
VENTING
 Materials: See pages 11 and 14.
 D-2 Power Vent Kit: See page 14.
 Indoor Stack: See page 11.
CONTROLS INTERFACE
 Wiring diagrams: See page 24 and 25.
 User interface: See pages 26 and 27.
 Remote operation: See page 30.
QUICK START GUIDE
Revision 38 reects the following changes:
Figures revised on page 46 and page 47. Parts list revised on page 49.