Service Manual

5
5
Tools Required for Service
Manometer: Two types available, a liquid “U” tube type or a digital (magna-helic) type. This device
is used to measure gas and/or air pressures and vacuum.
Multi-Meter: A digital type is strongly recommended. This device is used to measure electrical
values. The meter you select must have the capability to measure volts AC, volts DC, Amps, micro-
amps and ohms.
Thermometer: Used to measure water temperature. An accurate thermometer is recommended.
Water Pressure Gauge: Used to measure water supply pressure. Also used to determine tank
pressure by adapting to the drain valve of the heater.
Jumper Leads: A length of wire (12" min.) with alligator clip at both ends.
Various Hand Tools: Pipe wrench, channel locks, open end wrench set, 12" crescent wrench,
Allen wrench set, Torx bit set, screwdrivers (common & Philips), long reach (12") magnetic tip
Philips head screwdriver #2 tip, ¼" nut driver, pliers (common & needle nose), socket set including
a 1-1/16 deep well socket, wire cutters, wire strippers, wire crimpers, torpedo level, small shop vac,
step ladder, and flashlight.
Features
Features of ICON System Control
• Digital water heater display on control panel for setting and displaying the temperature setpoint.
Pressing temperature UP and DOWN buttons changes the temperature setpoint. Temperature
format may be displayed in °F or °C.
• Single control board with plug in wiring controls temperature, ignition, and blower operation.
• Reduced number of parts for servicing and wiring.
• Plug in wiring reduces chance of miswiring.
• Burner ignition with direct spark ignition - A high voltage spark jumps from the spark rod to the
burner surface to ignite the gas. Eliminates burned out hot surface igniter replacements.
• Water heater display will show diagnostic codes in the event the water heater needs servicing.
Aids in diagnosing and servicing the water heater.
• Water heater display can show previous error code history to further aid in servicing the water
heater.