To Next PageTo Next Page
Need help?Do you have a question about the Lochinvar Crest 5.0 and is the answer not in the manual?
Lists codes and regulations that must be followed for boiler installation.
Specifies required clearances from combustible materials and building structures for safe installation.
Requirements for vent and air piping installation, including material and termination.
Instructions to prevent contamination of combustion air to avoid boiler damage and safety hazards.
Procedures and checks required when installing a new boiler into an existing vent system.
Step-by-step instructions for safely removing an existing boiler from a common vent system.
Details on providing adequate combustion and ventilation air for the boiler from the equipment room.
Illustrates different direct venting configurations: sidewall, vertical with sidewall air, and vertical.
Instructions for installing vent and combustion air piping, emphasizing airtightness and materials.
Details on the combustion air intake connector and vent connector provided with the unit.
Criteria for common venting of Crest boilers, including size, type, and control requirements.
Guidelines for terminating vent and air pipes vertically through a roof, including clearances.
Guidelines for terminating vent and air pipes through a sidewall, including clearances and location.
Guidelines for connecting the boiler to the hydronic system, including pressure and air elimination.
General steps and considerations for piping installation, including connections and safety devices.
Guidance on sizing circulators based on pressure drop through the heat exchanger and system flow.
Details on essential near-boiler piping components like valves, pumps, strainers, and sensors.
Requirements for gas supply piping, including regulator placement and venting.
Instructions for connecting the gas supply piping, including unions and purging.
Details on natural gas requirements, pipe sizing, and pressure specifications.
Details on propane gas requirements, pipe sizing, and pressure specifications.
Procedure for checking the gas supply pressure and ensuring it meets specifications.
Instructions for connecting line voltage power, disconnects, and pumps for models 1.5-3.5.
Instructions for connecting line voltage power, disconnects, and pumps for models 4.0-5.0.
Procedures for routing and connecting low voltage wiring for thermostats and sensors.
Details on connecting the condensate drain line, trap, and optional neutralizer kit.
Guidelines for checking water chemistry, hardness, and chlorine levels for system integrity.
Steps for filling the system with water, testing pressure, and checking for leaks.
Procedures for purging air from the hydronic system using vents.
Procedure for checking for gas leaks using a bubble test and verifying gas valve operation.
A checklist of final inspections and verifications before initiating boiler startup.
Instructions on how to initiate the boiler startup sequence and follow operating instructions.
Checks related to water piping, vent/air piping, and gas piping integrity and proper installation.
Detailed steps for checking burner flame stability and combustion performance using an analyzer.
Step-by-step instructions for safely starting and operating the boiler.
Detailed step-by-step process of the boiler's start-up, firing, and shutdown sequence.
Schedule and instructions for annual startup and general maintenance performed by a qualified technician.
Inspecting water, gas, and flue piping for leaks and ensuring proper sealing.
Visually inspecting flue gas venting and air piping for blockages or deterioration.
Inspecting the relief valve for proper operation and periodic testing requirements.
Performing startup checks and tests as specified in Section 9.
General