21.Remove two screws from the front cabinet flange at the blower deck. Spread cabinet sides slightly to allow clearance for removal of heat exchanger.

22.Remove screws along vestibule sides and bottom which secure vestibule panel and heat exchanger assembly to cabinet. Remove two screws from blower rails which secure bottom heat exchanger flange. Remove heat exchanger from furnace cabinet.

23.Back wash heat exchanger with soapy water solution or steam. If steam is used it must be below 275°F (135°C).

24.Thoroughly rinse and drain the heat exchanger. Soap solutions can be corrosive. Take care to rinse entire assembly.

25.Reinstall heat exchanger into cabinet making sure that the rear baffle of the heat exchanger assembly is nested under the support located at the rear of the cabinet. Remove the indoor blower to view this area through the blower opening.

26.Re–secure the supporting screws along the vestibule sides.

27.Reinstall blower assembly and reinstall two screws through rails.

28.Reinstall cabinet screws on front flange at blower deck.

29.Reinstall screws securing top cap.

30.Reinstall the primary limit on the vestibule panel.

31.Route heating component wiring through hole in blower deck and reinsert strain relief bushing.

32.Reinstall pressure switch and reconnect pressure switch wiring.

33.Carefully connect combustion air pressure switch hosing from pressure switch to proper stubs on cold end header collector box.

34.Reinstall 1/2" NPT (if removed) in the cold end header box. Reconnect drain tubing to collector box.

35.Reinstall condensate trap pipe. Reconnect condensate drain line to the condensate trap.

36.Reinstall electrical junction box.

37.Reinstall the combustion air inducer and flexible no hub connector. Reconnect the 2 pin plug to the wire harness.

38.Reconnect drain tubes between flue collar and cold end header box.

39.Secure burner assembly to vestibule panel using four existing screws. Burners are self aligning to center of clam shells.

40.Reconnect gas supply line to gas valve.

41.Reconnect flame rollout switch wires.

42.Reconnect sensor wire and reconnect 2 pin plug from ignitor.

43.Reconnect wires to gas valve.

44.Replace the blower compartment access panel.

45.Refer to instruction on verifying gas and electrical connections when reestablishing supplies.

46.Follow lighting instructions to light and operate furnace for 5 minutes to ensure that heat exchanger is clean and dry and that furnace is operating properly.

47.Replace heating compartment access panel.

Cleaning the Burner Assembly

1.Turn off gas and electrical power to the furnace. Remove heating compartment access panel.

2.Disconnect the gas supply line from the gas valve.

3.Disconnect and label wires from gas valve.

4.Disconnect ignitor wiring at 2 circuit plug.

5.Disconnect and label wires from rollout switch.

6.Disconnect and label flame sensor wire.

7.Disconnect and label ground wire from burner/manifold assembly.

8.Remove four screws that secures burner/manifold assembly to vestibule. Remove the assembly and make note not to allow ignitor plate to dislodge from the assembly.

9.Gently clean the face of the burners using the soft brush attachment on a vacuum cleaner. Visually inspect the inside of the burners and crossovers for any blockage caused by foreign matter. Remove any blockage

10.Reinstall the burner/manifold assembly using the existing four screws. Burners are self aligning to center of clam shells.

11.Reconnect ground wire.

12.Reconnect flame sensor wire.

13.Reconnect rollout switch wires.

14.Reconnect ignitor wires.

15.Reconnect gas valve wires.

16.Reconnect gas supply line to gas valve.

17.Refer to instructions on verifying gas and electrical connections when re-establishing supplies.

18.Follow instructions to place furnace in operation. Run furnace 5 minutes to ensure burners are clean and operating correctly.

19.Replace heating compartment access panel.

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Allied Air Enterprises 92G1UH, A95UH, 95G1UH, A93UH installation instructions Cleaning the Burner Assembly

92G1UH, 95G1UH, A95UH, A93UH specifications

Allied Air Enterprises is renowned for producing high-quality HVAC systems, and its models A93UH, 92G1UH, A95UH, and 95G1UH are no exception. These units exemplify cutting-edge technology, efficiency, and reliability, making them popular choices for residential and commercial applications.

The A93UH model is a high-efficiency gas furnace designed with advanced features that maximize performance while maintaining low operating costs. It boasts a 93% Annual Fuel Utilization Efficiency (AFUE) rating, which ensures that a significant portion of the fuel consumed translates into heat. The A93UH incorporates variable-speed blower technology, allowing for precise airflow adjustments that enhance comfort and energy savings.

Similarly, the 92G1UH is built to provide exceptional heating capabilities. With a robust construction and innovative design, this model also achieves a 92% AFUE rating. It features a durable heat exchanger and a reliable ignition system that ensures consistent performance. The 92G1UH is engineered for quiet operation, minimizing noise levels and contributing to a more comfortable indoor environment.

Moving on to the A95UH, this unit represents the pinnacle of efficiency with its impressive 95% AFUE rating. This model not only emphasizes energy savings but also focuses on long-term durability. Equipped with a two-stage gas valve, the A95UH allows for flexible heating based on demand, which translates into enhanced comfort and efficiency. Additionally, the integrated SmartComfort technology provides homeowners with user-friendly control options.

The 95G1UH model shares many of the same advanced features as the A95UH but is tailored for different installation scenarios. With a comparable efficiency rating, the 95G1UH emphasizes ease of maintenance and installation. Its compact design and lightweight construction make it an ideal choice for various settings where space is limited.

All four models incorporate the latest in comfort control technology, allowing for seamless connectivity and programmability. Homeowners can utilize smart thermostats to optimize their heating schedules, further enhancing energy savings. The featured robust warranty and service support from Allied Air Enterprises provide peace of mind, ensuring that these units will deliver reliable performance for years to come.

Overall, the A93UH, 92G1UH, A95UH, and 95G1UH models stand out in the HVAC market due to their efficiency, innovative features, and durability. These units cater to a variety of heating needs while keeping operational costs low, making them wise investments for any property owner.