Installation Diagrams - PENSOTTI DK2 Series Installation And User Manual

The maximum operating water temperature is 205°F (96°C).
The maximum operating water pressure is 30 psi.
The pressure relief valve must be piped from the boiler and downward to within 6 in. of the floor
(or by code) to avoid the potential for accidental face and body injuries.
An expansion tank, circulating pump and automatic air eliminators must be part of the system.
Recommended location of circulator, expansion tank, relief valve and other trim is shown in
Figure 1, Figure 2, Figure 3, and Figure 4.
The relief valve, backflow-preventer and drain valve should be piped according to code and
should be piped to discharge safely.
If the Pensotti Heatline Quatech Series is to be used with a storage type domestic hot water system
other than provided by PNA, Inc. connect and wire according to manufacturer's instructions.
BOILER
Burner
Figure 1 shows a typical installation with no domestic hot water and no by-pass loop installed.
Pensotti Heatline Quatech Series
Purge Valve
Air Separator
Relief Valve
Piped to
Floor
(or Code)
Air Vent
Circulator
Diaphragm
Expansion
Tank
Flow Check
Drain Valve
Figure 1
9
Flow Check
Pressure
Reducing
Valve
Boiler
Feed
Piped to
Code