WARNINGS
Pay Attention to These Terms
DANGER: Indicates the presence of immediate hazards which will cause severe personal injury, death or substantial property damage if ignored.
WARNING: Indicates the presence of hazards or unsafe practices which could cause severe personal injury, death or substantial property damage if ignored.
CAUTION: Indicates the presence of hazards or unsafe practices which could cause minor personal injury or product or property damage if ignored.
NOTE: Indicates special instructions on installation, operation, or maintenance which are important but not related to personal injury hazards.
DANGER: Make sure the gas on which the boiler will operate is the same type as that specified on the boiler rating plate.
WARNING: Should overheating occur or the gas supply valve fail to shut, do not turn off or disconnect the electrical supply to the boiler. Instead, shut off the gas supply at a location external to the boiler.
WARNING: Do not use this boiler if any part has been under water. Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water.
WARNING: To minimize the possibility of improper operation, serious personal injury, fire, or damage to the boiler:
•Always keep the area around the boiler free of combustible materials, gasoline, and other flammable liquids and vapors.
•Boiler should never be covered or have any blockage to the flow of fresh air to the boiler.
WARNING: Risk of electrical shock. More than one disconnect switch may be required to
WARNING - CALIFORNIA PROPOSITION 65: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
CAUTION: If this boiler is to be installed above radiation level, it must be provided with a low water
CAUTION: This boiler requires forced water circulation when the burner is operating. See minimum and maximum flow rates. Severe damage will occur if the boiler is operated without proper water flow circulation.
CAUTION: If this boiler is to be installed in a negative or positive pressure equipment room, there are special installation requirements. Consult factory for details.
NOTE: Minimum 18 AWG, 105°C, stranded wire must be used for all low voltage (less than 30 volts) external connections to the unit. Solid conductors should not be used because they can cause excessive tension on contact points. Install conduit as appropriate. All high voltage wires must be the same size (105°C, stranded wire) as the ones on the unit or larger.
4
