66 Appendixes
Connecting a Pressure Relief Valve Ye s N o
Have you installed the pressure relief valve on the hot water outlet pipe near the water heater?
Have you installed a discharge drain tube from the pressure relief valve to within 612 in (150300 mm) of the floor?
Connecting the Condensate Drain Ye s N o
Have you installed a condensate drain line from the water heater to a drain or laundry tub?
Venting the Water Heater Ye s N o
Have you vented the water heater with 2 in or 3 in PVC, CPVC, Polypropylene, Type BH Special Gas Vent (ULC-S636) for
Category IV Water Heaters (Canada), or in accordance with all local codes and the guidelines in this manual?
Have you ensured that PVC cellular core pipe has not been used as venting for the water heater?
Is the vent sloped upward toward the vent termination at a rate of
1
/
4
in per foot (2 % grade)?
Are all vent runs properly supported?
Have you properly supported the vent termination?
Have you properly sealed all air intake and exhaust joints, from the flue collar to the to the vent termination?
Have you installed end caps on the exhaust and intake pipes?
Have you checked the venting for leaks?
Is the vent termination at least 12 in (300 mm) above the exterior grade?
Have you ensured that sufficient make-up air is available?
Is the total vent length within the maximum vent length restriction?
Connecting the Power Supply Ye s N o
Is the supplied voltage 110-120 VAC?
Is the water heater plugged into a properly grounded outlet?
If you have made a direct power supply connection, have you installed a power switch to facilitate end-user
maintenance?
Have you checked the polarity of the electrical connection?
Is the system properly set up for cascading operation (master and slave water heaters), if applicable?
Setting the DIP Switches Ye s N o
Have you verified the positions of all DIP switches on the circuit board?
Have you verified the positions of all DIP switches on the front panel?
Operating the Water Heater Ye s N o
Have you shown the owner how to clean the inlet water filter?
Have you given the Installation Manual and Owner’s Manual to the owner for future reference?
Have you shown the owner how to shut off the gas in case of an emergency?
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