11 | P a g e
2.10 Filling the Reservoir
1) Close supply and return side valves.
2) Locate the fill cap on top of (tank) glycol
reservoir.
3) Remove cap from tank.
4) Fill tank with glycol solution to full mark
on tank.
5) When full close replace cap on tank.
NOTE: DO NOT USE
SYSTEM PUMP TO FILL
PIPING!
2.11 Filling the Piping
1) Close supply and return valves.
2) Remove protective cap from supply
line purge valve and connect hose.
3) Remove protective cap from return
line purge valve and connect hose.
Place other end of hose in large
bucket. This will act as a vent when
filling piping thru the supply line purge
valve.
4) Open the return line purge valve.
5) Open the supply line purge valve and
fill piping with glycol solution.
6) The use of an external pump may be
required to fill the system.
7) Vent air from piping during the fill
process.
8) Stop filling piping when glycol solution
begins to drain from return line purge
valve.
9) Close both supply and return line
purge valves and reinstall the caps.
10) Open both supply and return valves.
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