Figure 29: Multiple Boilers, Primary / Secondary - Thermal Solutions ARCTIC Series Installation & Operation Manual

Figure 29: Multiple Boilers, Primary / Secondary With Indirect Water Heater
Inlet/Return
Purge Valve
Expansion Tank
Isolation Valve
Boiler Circulator
Check Valve
Y-Strainer
Inlet/Return
Purge Valve
Expansion Tank
Isolation Valve
Boiler Circulator
Check Valve
Y-Strainer
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Website: www.thermalsolutions.com
Phone: 717-239-7642 Fax: 877-501-5212 Email: sales@thermalsolutions.com
Air Vent
4D Max
Air Vent
Pressure Reducing Valve
4D Max
Pressure Reducing Valve
Check Valve
Makeup Water
Check Valve
1500-3000 model shown.
Inlet/Outlet Connections
are similar on the 3500-
6000 models.
Check Valve
Makeup Water
System Circulator
1. These are suggested piping configurations. It is the installer's
responsibility to conform to local codes and ordinances for
additional requirements.
2. Pressure relief valve rating shall not exceed pressure rating of
any component in the system.
3. Some piping components cannot be supported by the pipping.
Refer to the manufactures' installation instructions.
4. Circulation pump must be sized to overcome the pressure
drop across the entire loop.
1000 model shown.
Inlet/Outlet Connections
are different on the 1500-
6000 models.
DHW Circulator
System Circulator
Outlet/Supply
Indirect DHW Heater
Tempering Valve
Hot Water
Cold Water
DHW Circulator
Outlet/Supply
Tempering Valve
Hot Water
Cold Water
Check Valve
NOTICE NOTICE
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