Laars MagnaTherm HTD Series Installation And Operation Instructions Manual page 35

HTD
Location of pump
.
Check valve
Location of pump
Check valve
NOTES:
1. Optional CWMU & recirculation line location.
2. Locate NTV DHW sensor or remote aquastat well in lower 1/3 of tank.
3. Back Flow Preventer may be required. Check local codes.
4. Thermal expansion tank may be required. Check local codes.
5. Factory mounted pumps are sized for a max pipe length of 30' total, 6-90° elbows, full pipe size.
6. CAUTION: Pump sizing must be based upon water hardness at job site.
Figure 14. DHW Piping - Two Heaters, Two Vertical Tanks
EXPANSION
TANK
.
NOTE: This drawing shows
suggested piping
configuration and valving.
Check with local codes and
ordinances for additional
requirements.
Optional location for
COLD WATER SUPPLY
BUILDING
RETURN
EXPANSION
TANK
Page 31
BALL VALVE
(TYPICAL)
TWO HE
WITH TWO VERT
MGV-DOM3