5.3102.7 Installation of Lead-Lag Controls—Pumps (Hot Water)

Topic: 
Hydronic Heating (Hot Water and Steam)
Subtopic: 
Equipment Installation
Desired Outcome: 
Automated redundant pump operation provides consistent heat to building
TitleSpecification(s)Objective(s)
5.3102.7a
Check for presence of asbestos-containing materials (ACMs)

Potential ACMs will be handled in accordance with SWS 2.0110.2 Potential Asbestos-Containing Materials

Ensure a safe work environment
5.3102.7b
Verify presence of check valves

Presence and condition of check valves will be verified; if needed, refer to SWS 5.3103.3 Check Valves (Hot Water), for installation specifications

Ensure water flow does not bypass through nonoperating pumps
5.3102.7c
Verify pump motor controller is suitable for automated control

Presence of automatic control input on motor controller will be verified; if needed, add electrical components corresponding to pump motor size

Prepare motor control circuit for automatic control
5.3102.7d
Install lead lag control panel

Lead-lag control panel will be mounted and wired in accordance with manufacturer specifications

Pump lead-lag controller will be wired to boiler/boiler lead-lag control panel and programmed/interlocked as necessary

Provide automated control of pumping integrated with boiler system
5.3102.7e
Test complete system

Successful operation of pumps will be demonstrated

Ensure pumps are controlled by automated controller
5.3102.7f
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