Process Technology Lufran LUF Series Manual page 39

Installation (Continued):
Plumbing (Continued):
Inlet/Outlet Connections; Super 300 Type Pillar™ Tube Fittings:
tm
Super 300 Type Pillar
to determine the proper tightness of the fitting connections.
1) Remove the protective plastic caps from the fittings on
the Inlet and Outlet piping of the heater assembly.
2) Install appropriately sized Super 300 Type Pillar "gauge
ring"
3) Tighten the Pillar fitting nut until the bosses on the union
nut makes contact with the gauge ring and pulls the
blade. A clicking sound will be heard at this point.
Continue tightening the union nut until the bosses make
full contact with the gauge ring.
Figure 27: Super 300 type Pillar fittings tightening procedure
Pressure Relief Valve (PRV) Connection (13mm (1/2-inch) compression fitting):
Note: 210kW-312kW models have two PRV connections.
1) Loosen and remove the compression nut. Remove the
sealing cap from plumbing connection and discard.
2) Test fit the tubing to ensure proper length. The tubing must
be plumbed to a non-pressurized drain.
3) Slide the compression nut over the tubing.
4) Insert the tubing into the compression fitting. Tighten the
compression nut securely.
Leak Pan Drain (1/2-inch FNPT (13mm) threaded
connection):
1) Remove and discard the pipe plug.
2) Test fit the pipe or tubing to ensure proper length.
tubing must be plumbed to a non-pressurized drain.
3) Cover the male pipe threads with PTFE tape or some other
approved pipe thread sealant.
4) Engage threads into drain connection. Tighten the threaded
connection securely.
M-43-25
Revision - Date 03-01-04-18
Fittings use a "gauge ring" which is used
Figure 26: Super 300 Type Pillar
The
Leak Pan
Figure 28: Pressure Relief Valve
(PRV) and Leak Pan Drain
38
LUF-Series Lufran Manual
Standard outlet, Standard Interface
gauge ring
Back of Unit
PRV
Connections