LAARS Mascot LX MLXC 175 MBH - Install and Operating Manual - Manual (Page 30)

LAARS Heating Systems Page 26
Figure 19. Hydronic Piping — Heating zones piped with zone valves.
Ex
pansion tank
air v
ent
Purge/drain v
alv
es
DHW
1
1 4
"
Primary loop
Sedim
ent trap
* Closely spaced tee's - 4 pipe diam
eters apart
Increase from
3 4
to 1
1 4
Manifold size based on num
ber of zones required
Manifold size based on num
ber of zones required
Mascot LX
Com
bi -Hydronic piping
-Heating zones piped with Zone v
alv
es
* *
Ex
pansion tank
air v
ent
Purge/drain v
alv
es
DHW
1
1 4
"
Primary loop
Sedim
ent trap
* Closely spaced tee's - 4 pipe diam
eters apart
Increase from
3 4
to 1
1 4
Manifold size based on num
ber of zones required
Manifold size based on num
ber of zones required
Mascot LX
Com
bi -Hydronic piping
-Heating zones piped with Zone v
alv
es
* *