Rinnai RSC199i Installation And Operation Manual page 64

Have you verified the PRV is not plumbed with the condensate drain line?
Have you verified the PRV is not plugged and that reducing fittings, valves, or other
restrictions are not installed in the relief line?
6
CONDENSATE DRAIN
If the condensate pump is installed, is it wired to deactivate the tankless water heater in
the event of failure? For more information, refer to the "Condensate Pump Safety Switch
Wiring" section of the manual.
Did you verify the condensate drain pipe is as short as possible and has a downward pitch
toward the drain or condensate pump?
Is all condensate drained and disposed of as per local codes?
Did you use ONLY corrosion resistant materials for the condensate drain lines?
Did you verify the condensate drain pipe along its entire length is at least the same
diameter as the drain line (1/2 in. NPT)?
Did you check to ensure the condensation drain lines are protected from freezing?
If a floor pump is not available or the drain is above the level of the condensate drain, did
you install a condensate pump?
Have you verified the condensate drain line is not plumbed with the pressure relief valve?
Have you confirmed the condensate drain line is not connected with an air conditioning
evaporator coil drain?
Have you verified an external condensate trap is not installed? (This tankless water heater
has an integrated condensate trap.)
Have you confirmed the end of the condensate drain pipe is open to atmosphere?
7 GAS SUPPLY
Did you verify the gas system is appropriately sized?
Did you verify the water heater is rated for the gas type supplied?
Have you performed a gas line and connection leak test?
Did you install a manual gas control valve in the gas line to the water heater?
Is the inlet gas pressure within limits?
Did you purge the gas line of any air or debris before connecting the water heater?
RECIRCULATION PUMP SE+ Series Featuring THERMACIRC360™ Models
8
Only (RSC199i/e and RSC160i/e)
Have parameter settings for recirculation been properly set?
Is the recirculation pipe length less than the maximum allowed length?
Did you drain the tankless water heater if not intended to be used immediately?
Have you performed a leak and pressure test on the crossover valve installation?
(Crossover Mode Only) Was the crossover valve installed at the furthest fixture from the
water heater?
64 Rinnai Tankless Water Heater Installation and Operation Manual
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