Instructions / Assembly
AP18733 REV. 3.2.17
74
FINAL INSTALLATION CHECKLIST
YES NO
BEFORE INSTALLING
Is there enough space to ensure proper installation?
Does installation location allow for proper service clearances?
Are water and gas lines properly sized and set at proper pressures for the installation?
Is water heater location as near the exhaust vent / intake pipe terminations as possible?
Have combustible materials been cleared from the installation location?
Is there a drain close to the water heater?
INSTALL WATER PIPING
Does water heater loop piping meet the minimum sizing requirements listed?
NOTE: Smaller piping will cause performance problems.
Has water chemistry been checked?
Does water chemistry meet requirements?
If water chemistry does not meet requirements, have treatment measures been put in place?
Has the system been cleaned and ushed?
INSTALL EXHAUST VENT
AND INTAKE PIPING
Has the water heater been vented with the approved materials listed in this manual (3" [7.6 cm] PVC, CPVC, Polypropylene, etc.) or to
meet local codes?
Is air supply sufcient for proper water heater operation?
Is total vent piping length within the maximum vent length restriction listed in this manual?
Have venting lengths been minimized?
Are terminations properly spaced from windows, doors, and other intake vents?
Have all vent terminations been installed at least one foot above exterior grade and one foot above normal snow accumulation level?
Is vent piping properly supported?
Has vent piping been checked for leaks?
Has the exhaust vent line been pitched back to the water heater at a rate of ¼" (0.6 cm) per foot?
Have the exhaust vent and intake pipes been properly installed into the connectors provided on the water heater?
INSTALL CONDENSATE
PIPING / TUBING AND
COMPONENTS
Have all condensate line components included with the water heater been installed?
Is the condensate line piped with the approved materials listed in this manual?
Has the condensate line been routed to a laundry tub or other drain?
INSTALL GAS PIPING
Is the gas supply line a minimum of ¾" (1.9 cm) in diameter?
Is the gas supply line length and diameter adequate to deliver the required BTUs?
Has gas supply line pressure been measured?
Does the gas type match the type indicated on the water heater rating plate?
Has a union and shut-off valve been installed?
PRESSURE RELIEF
VALVES
Have you installed approved pressure relief valves on the hot water outlet near the water heater?
Is the pressure relief valve in the DHW line at least ¾" (1.9 cm) in diameter?
WIRE THE WATER
HEATER
Connect the power and control wiring per water heater wiring diagram, this manual.
Have all DIP switches been set on the main water heater board?
Is electrical connection polarity within water heater requirements?
Do power specications meet water heater requirements? 120V AC?
START-UP, ADJUST, AND
TEST
Has the water heater been started?
If necessary, has the water heater gas valve been adjusted?
Has the installation been customized per installation location requirements?
Have all customized system parameters been tested?
Has proper water heater operation been conrmed?
BURNER FLAME
Has the burner ame been checked?
Is the burner ame a proper blue color?
If the ame does not appear normal, it may need to be cleaned by a qualied service technician. See Figure 54 for ame sight glass
window location.
FINAL INSTALLATION
APPROVALS
SIGNED BY TECHNICIAN DATE