User Guide

8 © Copyright 2008 TAC All Rights Reserved. F-24394-2
TYPICAL PIPING
All piping must comply with local codes and ordinances. Refer to Figure-3 through
Figure-5 for typical piping.
Figure-3 Typical Piping for Control of Heating or Cooling Coil.
Figure-4 Typical Boiler Piping When Used in a Hot Water Reset Application.
Figure-5 Typical Primary-Secondary Piping.
Coil
Bypass
Supply
Supply
Coil
Bypass
Return
Stem down flow through coil.
Stem up flow through coil bypass.
Stem up flow through coil.
Stem down flow through coil bypass.
Return
Valve
A
A
B
B
Valve
A
A
B
B
Boiler
System
Pump
Bypass
Return
Supply
Valve
A
A
B
B
Secondary
Pump
To Other
Zones
Return
Supply
Coil
From
Other
Zones
Balancing
Cock
Balancing
Cock
Valve
A
A
B
B