LAARS Mascot LX MLXC 175 MBH - Install and Operating Manual - Manual (Page 29)

Mascot LX Boilers and Water Heaters Page 25
Figure 18. Hydronic Piping — MLXC Heating zones piped with zone pumps.
Mascot LX
Com
bi -Hydronic piping
-Heating zones piped with Zone pum
ps
Water Feed controls
Ex
pansion tank
air v
ent
Purge/drain v
alv
es
DHW
1
1 4
"
Primary loop
Increase from
3 4
to 1
1 4
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 pum
ps
Water Feed controls
Ex
pansion tank
air v
ent
Purge/drain v
alv
es
DHW 1
1 4
"
Primary loop
Increase from
3 4
to 1
1 4
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
* *