NTI Trinity Lx 150 Installation And Operation Instructions Manual

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NTI Trinity Lx 150 Installation And Operation Instructions Manual Manual pdf 33 page image

Lx Series Installation and Operation Instructions │Trinity Lx336.0 CONDENSATE DRAINThis unit produces liquid condensate in the heat exchanger and venting system as a product of combustion.Steps must be taken to ensure that condensate does not collect in the venting system; therefore, all exhaustpiping must slope back to the appliance a minimum 1/4” per linear foot of vent. Condensate must be drainedfrom the unit into a household drain.Check with your municipality, or local gas company to determine if the disposal ofcombustion condensate is permitted in your area (e.g. in the State of Massachusetts thecondensate must be neutralized prior to entering a drain).The following are important notes that must be taken into consideration when constructing the condensate drainsystem (See Figure 6-1 for further details):• DO NOT install condensate lines outside. A frozen or blocked drain will cause the condensate to fill thecombustion chamber. This will result in a no heat condition, as the unit will shut down, and damage to theflame sensor, and components can occur.• NEVER use copper, steel, or galvanized piping in the construction of the condensate disposal system ascondensate is very corrosive and will corrode most metallic drains and sewer pipes.• When a condensate pump is used or required, select a pump that is designed for residential furnaces.If the combustion chamber has been flooded due to the condensate drain backing up, orfor any other reason, the combustion chamber door must be removed and the inside ofthe appliance must be inspected for component damage, e.g. the internal insulation at the front and back of thechamber. Failure to follow these instructions may result in fire, property damage, serious injury or death.Figure 6-1 All ModelsCondensate Drain PipingDrain VentDo not block or install piping intothe top branch of the condensatedrain tee.Drain PipeConnection to the bottom of thecondensate drain tee must be madeusing 1/2” Schedule 40 PVC pipe.Secure using appropriate PVCcement. All piping must be belowthe level where the condensateleaves the boiler.Floor DrainCheck with your local authoritiesregarding disposal of condensate(regulation may require the use of aneutralizer).