LAARS Mini-Therm II JVT (Sizes 50-225) - Install and Operating Manual - Manual (Page 14)

LAARS Heating Systems
Page 14
Figure 6A. Typical Plumbing Installations.
KEY: PUMP CHECK VALVE VALVE ZONE VALVE UNION AUTO AIR BLEEDER
Air Scoop
JV
Boiler
Bypass Valve
(Ball Valve)
Zone Pump
Purge
System
Optional
Pump
Location
Feed
Water
Inlet
Air Cushion Type
Expansion Tank
Optional
Feed Water
Inlet
System
Loop
Expansion
Tank
Pump Air Scoop
Feed
Water
Single Circuit System
Multi-Zone
Valve System
Multi-Zone
Pump
System
Figure 6B. Typical Plumbing Installations.