Install Instructions
Page 28
LAARS Heating Systems
Lead Boiler
Figure 17. Wiring Diagram for Lead Lag Connections
TO CASCADING
UNITS 3 THRU 8
(TYP)
7.F Lead Lag Connections
These boilers can be connected in a lead / lag series
up to a total of 8 residential Units. One as the Lead
control and 7 more as the following controllers.
For general info and menu set-up for Lead Lag using
your units Touchscreen, See page 43
‘About Lead Lag’.










