25
using tubing clamp.
Long Life Coolant • In Tubing Installation: [Pump to
MCHP; Figure 8-6]
Cut section of Onix Tubing to extend from MCHP •
unit’s lower Coolant connection to coolant pump in
HI Module.
Install barbed end of elbow (barb x IPS) fi tting into •
open tube end of tubing and secure with SelfTite
clamp. Figures 8-7 and 8-8
Route tubing through hole in bottom of Hydronic HI •
Module.
Insert IPS end of same elbow (barb x IPS) fi tting •
into female IPS swivel fi tting (Figure 8-7 and 8-8)
on coolant pump and secure with collet clip supplied
with female swivel fi tting.
Route tubing to rear of MCHP (if necessary through •
open channel in front of MCHP base) and cut to
length.
Install tubing onto lower brass hose barb fi tting (LLC •
In) and secure SelfTite clamp onto tubing.
Use only Watts Radiant brass barb fi ttings with Onix tubing
supplied with
freewatt PLUS
System. Off-the-shelf brass
fi ttings are made to different dimensions and tolerances,
which may result in leaks.
Figure 8-4 MCHP Coolant Line Installation Instructions
Figure 8-7 - Hose Barb by IPS Elbow Fitting
Figure 8-8 Female Swivel Fitting (NPT by IPS)
Figure 8-5 LLC Out Connection to HHI Module
(BPHX)
Figure 8-6 LLC In Connection to Pump
8 - PLACING THE SYSTEM
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