Figure B5-39. No Primary Loop
ClearFire Full
Condensing
ClearFire Full
Condensing
To Condensate Drain
To Sanitary Drain
System Returns
Return Header
Boiler Drain
Heating System
Pumps
System Supply & Returns
System Supply
Header
Expansion
Tank
Water
Makeup
Y10.2
Y10.1
VK-1
VK-2
Y10.1 Motorized Shutoff
Y10.2 Motorized Shutoff
VK-1 3-Way Mixed Circuit
VK-2 3-Way Mixed Circuit
Back Pressue
Valve