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Aqua-Hot™ Hydronic Heating System Installation Manual 07/05
Page 27
Installing
Engine
Preheat
Plumbing,
continued
NOTE:
Should one or both of the selected engine ports already have Plumbing Fittings
attached to them, it may be necessary to
“tee”
into those existing Plumbing
Fittings. If assistance is needed for a specific engine, please contact Vehicle
Systems’ Product Application Support Department at 1-800-685-4298.
4. Install and tighten the Plumbing Fittings into the
Supply
and
Return
ports on the
Vehicle’s Engine.
NOTE:
One-piece Plumbing Fittings are recommended in order to reduce the potential
for coolant leaks. It is also suggested that Pipe Thread Sealant be used on all
Plumbing Fittings.
5. Install and clamp both the
Supply
and
Return
engine Plumbing Lines/Automotive
Type Heater-Hoses to the Engine’s Plumbing Fittings; reference Figure 17.
6. Install and tighten the Plumbing Fittings into the
“IN”
and
“OUT”
ports on the
Aqua-Hot’s Engine Preheating System; reference Figures 1 and 18.
CAUTION:
Be sure to use two wrenches when tightening these Plumbing Fittings.
Failure to do so could result in
serious damage
to the Aqua-Hot’s internal
Engine Preheating System.
7. Attach and clamp the Engine’s
Supply
Plumbing Line to the Aqua-Hot’s
“IN”
connection; reference Figure 18.
8. Attach and clamp the Engine’s
Return
Plumbing Line to the Aqua-Hot’s
“OUT”
connection; reference Figure 18.
9. After all Plumbing Lines, Fittings, and Connections have been tightened, refill the
Engine’s Coolant System.
!
SECTION 3: INSTALLATION PROCEDURES