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General| Brand | A.O. Smith |
|---|---|
| Model | DB/DW-720-1810 |
| Category | Boiler |
| Language | English |
Specifies minimum clearances required around the boiler for installation.
Instructions on ensuring the boiler unit is installed level.
Details requirements and warnings for safety relief valve installation.
Explains the operation of the electronic pilot ignition system.
Describes the manual reset high limit safety control and its function.
Explains the automatic reset high limit safety control and its settings.
Details modulating models, thermal balancer, and safety flow switch functions.
Specifies the required qualifications for installing the boiler.
Guidelines for selecting an appropriate installation location for the boiler.
Details the necessary air supply for proper combustion and ventilation.
Information regarding the draft hood and its requirements.
Guidelines for connecting the boiler's vent to a chimney or stack.
Instructions for connecting the boiler to a shared venting system.
Procedures for purging the gas lines to remove air before operation.
Guidance on selecting the correct size for gas supply piping.
Details on installing system headers for water distribution.
Instructions for piping when used with a refrigeration system.
Guidelines for connecting the water supply line to the boiler.
Information on installing and sizing the expansion tank.
Details the safety flow switch purpose and installation.
Guidance on selecting and installing the circulating pump.
Explains the low water cutoff device and its installation.
Details the tank temperature control and its function.
General guidelines for installing boilers in conventional space heating systems.
Instructions for installing a bypass pipe for balancing water flow.
Guidelines for new installations of LINEAR-TEMP space heating systems.
Wiring diagram for a conventional single-stage boiler system.
Wiring diagram for a single boiler LINEAR-TEMP system.
Detailed diagrams for applying the Cer-Temp 80 system for water lines.
Recommendations for dealing with hard water conditions to protect equipment.
Instructions for a mixing valve application for two temperature water.
Discusses contaminants that can affect system performance and longevity.
Instructions for checking and adjusting pilot and main burner flames.
Essential checks to perform before extensive troubleshooting.
A table guiding through system issues, causes, and remedies.
Recommendations for keeping the boiler clean and ensuring proper operation.
Procedures for checking and maintaining the safety relief valve.
Guidelines for maintaining the boiler's venting system.
Steps for cleaning and maintaining the heat exchanger.
Information on using UN-LIME for boiler deliming.
Step-by-step guide for removing light scale deposits from the boiler.
Method for mechanically removing scale from heat exchanger tubes.
Procedures for safely removing an old boiler from a common vent system.
Details the terms, conditions, and exceptions of the limited warranty.
Outlines owner responsibilities for costs related to warranty service.
Steps to follow when initiating a warranty claim.
