AERCO KC Standard to Low NOx Convertion Instructions - Manual (Page 3)

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1.3 Tools and Test Equipment Required
The required tools and test equipment are listed in paragraphs 1.3.1 and 1.3.2 respectively.
1.3.1 Tools
The following tools are required to perform the conversion procedures specified in this Service
Bulletin:
• Wrenches: 3/16”, 7/16”, 1/2”, two 9/16”, 5/8”, 11/16”, 15/16”
• Vise-Grip Pliers
• Flat Tip Screwdriver, 1/2” - Inch Blade
• Phillips Head Screwdriver, No. 3
• AERCO Differential Gas Pressure Regulator Adjustment Tool, Part No. GM-122643
1.3.2 Test Equipment
Following installation of all Conversion Kit items, the following test equipment will be required to
perform combustion calibration of the modified KC1000 Boiler or Water Heater using the applicable
Operation & Maintenance Manual:
• Digital Combustion Analyzer – Oxygen accuracy to ±0.5 %, carbon monoxide and NOx
resolution to 1 ppm.
• One 16” W.C. Manometer and plastic tubing
• One 1/4 inch and two 1/8 inch NPT-to-barbed fittings for use with manometers
WARNING
HIGH VOLTAGE OF 120 VAC IS USED IN KC1000 SYSTEMS. USE
EXTREME CARE WHEN ACCESSING CIRCUITS AND ELECTRICAL
CONNECTIONS WITHIN THE EQUIPMENT. SERIOUS PERSONAL INJURY
OR DEATH MAY OCCUR IF THIS WARNING IS NOT OBSERVED.
2. EQUIPMENT REMOVAL
The locations of the major items to be removed from the KC1000 are shown in Figure 1. These items
include the existing Burner Assembly, Combustion Chamber Liner, Gas Inlet Pipe and the Air/Fuel
Valve. The existing Burner and Combustion Chamber Liner will be replaced with new assemblies
provided in the Conversion Kit. The Air Fuel Valve will be modified using the applicable procedures in
Section 3.