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Read manual carefully before installation, operation, or service to prevent injury or death.
Carbon Monoxide poisoning is a serious risk that may lead to death.
Follow safety rules to minimize personal injury, fire, or damage to the unit.
Maintain all clearances from combustible construction when locating the unit.
Maintain minimum specified clearances for adequate operation and servicing.
Check and replace combustion air filter monthly.
Supply adequate combustion and ventilation air per codes and standards.
Uses sealed AL29-4C flue and separate combustion air pipe to outdoors.
Follow vertical termination information for clearances and location.
The sidewall vent cap must be installed on an exterior sidewall.
Follow sidewall termination clearances and location requirements.
Unit requires a pipe for combustion air from outdoors directly to the unit.
Install unions on water inlet and outlet for serviceability.
Check local codes, install unions, pipe relief valve to drain.
Specifies NPT inlet/outlet sizes for different models.
Pump selection is critical for quiet, efficient operation.
Boiler pump runs continuously unless pump delay is used.
Bypass mixes hot water to increase inlet temperature and prevent condensation.
Purge all air from the system and fill with water.
Read safety information carefully before operating the unit.
Follow specific steps if gas is detected in the appliance area.
Follow step-by-step instructions for safe burner ignition.
LCD screen guides programming via three buttons.
Guidelines for mounting temperature sensors for accurate readings.
Staging based on manually adjusted settings.
Describes the function of the HSI and control module.
Regulate temperature rise for proper velocity and heat exchanger tube life.
Take care to prevent scald injury when storing water at elevated temperatures.
Holds gas valves open, delivers BTU's to heat exchanger.
General