5.3102.26 Variable Frequency Drive Systems on Burners

Topic: 
Hydronic Heating (Hot Water and Steam)
Subtopic: 
Equipment Installation
Desired Outcome: 
Compliance with Code Pre-Purge Requirement of Four Air Changes
For supporting material, see Referenced Standards.
TitleSpecification(s)Objective(s)
5.3102.26a
Pre boiler startup

Burner recommendations referencing fan motor minimum hertz will be determined

Understand airflow control philosophy of burner manufacturer
5.3102.26b
Boiler/burner startup (commissioning)

Boiler/burner startup will be performed by burner manufacturer-designated technician; in the case there is none available from manufacturer, then the startup will be performed by "qualified person," as defined in NFPA NFPA National Fire Protection Association, www.nfpa.org 31, 3.3.50

Startup performed by properly qualified personnel
5.3102.26c
Burner fan speed control

Burner fan speed control will be set by technician to ensure burner is in accordance with manufacturer specifications, especially in terms of purge and combustion airflow rates across firing range, and to ensure four air change rule

Safe startup and operation of burner and boiler
5.3102.26d
Education

Completed work will be reviewed with the building/property management team and operations staff

Building/property management team and operations staff will be educated on the safe and efficient operation and maintenance requirements of the installed item

Ensure building/property management team and operations staff is informed of the safe, efficient operation and maintenance requirements of the installed item