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Need help?Do you have a question about the New Yorker AP-790U and is the answer not in the manual?
Check for shipping damage and file claims promptly with the carrier.
Position the boiler near its installation site, considering vent pipe connections and clearances.
Ensure adequate air supply for combustion and ventilation based on room volume and appliance input.
Install optional floor shield for combustible floors following specific guidelines and clearances.
Design system to prevent oxygen contamination and frequent water additions.
Install safety relief valve vertically as per code and ensure discharge piping is safe.
Connect tankless heater piping as shown in Figure 7, with a mixing valve.
Install flow regulator in cold water line to match heater rating and limit pressure variations.
Install automatic mixing valve to prevent scalding and save hot water.
Install vent system according to instructions and local codes, ensuring proper draft.
Vent AP-U series into approved chimney, considering heat loss and chimney deterioration.
Install wiring and ground boiler according to codes, using a separate circuit and disconnect.
Follow NEC/local codes for wire size, use anti-short bushings, armored cable, and check priority zoning.
Install thermostat on an inside wall, connect it correctly, and set heat anticipator.
Use flexible oil lines, install fuel filters, use flared fittings, and consider micron filters.
Standard burners use single-stage fuel units; ensure piping is airtight and bleed lines.
For more lift, use two-stage fuel units and refer to tables for allowable lift and tubing lengths.
Verify venting, water piping, oil piping, and electrical system are installed properly.
Fill the system, vent air, and ensure it's full to the correct pressure.
Ensure all connections are tight, burner is rigid, fuses are installed, and oil tank is full.
Check and readjust burner settings, nozzle, air band, and shutter.
Open vent fitting, start burner, and purge air from the fuel pump.
Readjust air damper, draft regulator, and turbulator for optimal flame and CO2.
Test thermostat, oil primary control features, safety features, and high limit controls.
Verify high limit control operation by checking burner shutdown and restart.
Describes sequence for cold start boilers without tankless heaters, controlled by Intelligent Oil Boiler Control.
Locate and use the Boiler Control display to view status and settings.
Access adjustment mode to change parameters like High Limit Setpoint and Differential.
Instructions for filling boiler, boiling out, adding treatment compounds, and testing pH.
Prevent damage from leaky systems by keeping make-up water below 2% monthly.
Drain boiler for winter use, spray inside surfaces, and handle steam boilers appropriately.
Conduct annual inspection, service, and cleaning, turning off power and closing oil supply.
Clean firetubes and combustion chamber annually using a firetube brush.
Addresses issues with nozzles, fuel leaks, suction line leaks, dirt, water, cold oil, and flame shape.
Covers issues with the burner not coming on, shutting down early, or locking out after TFI.
Details how the boiler control provides information and error codes for troubleshooting.
Explains when a low water cutoff is required for hot water boilers based on installation.
Describes the universal location for LWCO installation above the boiler.
Instructions on piping the probe LWCO using a tee and ensuring proper clearance.
Wiring LWCOs using line voltage service, explaining how water presence closes the contact.
Procedure to test LWCO by lowering water level and generating a boiler demand.
General| Brand | New Yorker |
|---|---|
| Model | AP-790U |
| Category | Boiler |
| Language | English |
