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1. Donot install c opper supplyandreturnpipingdirectly
intoaluminum boilersection castings dueto galvanic
corrosion between dissimilar m etals.
2. Useiron,steelbushings o r pipeconnectors b etween
copper system pipingandboilerto makefinal
connection t o boiler.
3. Useof dielectric unionsis acceptable, installersupplied.
4. Packaged boilerisfurnished with ironpipingin front
boilersection for supplyandreturnconnections.
5.
Install all of radiation units (panels, radiators,
baseboard, or tubing) and supply and return mains
first, when installation
of boiler is for new heating
system.
6.
After installation
of all heating system piping and
components;
make final connection of system piping to
boiler.
7.
Hot water boiler installed above radiation
level or
as required by authority
having jurisdiction
must be
equipped with low water cut off device (included with
boiler).
8.
Periodic inspection is necessary, as is flushing of float
type devices, per low water cut off manufacturers
specific instructions.
Figure
2 - Diaphragm
Type
Expansion
Tank
Piping
COK_iqA
IOI/
(_JICK
ILL
EXI £_,_9 @,S TA,i
......................... 1ST :>P O5t FOR FEED WATER
2_b /}P_/O_ _OR FEEID WA'FEI_
Expansion Tank And Hake=Up Water
• Determine required system fill pressure, design
temperature,
and water content.
• Boiler contains 2.6 gallons (U.S.). Size expansion tank
accordingly. Consult expansion tank manufacturer
for
proper sizing information.
• Connect properly sized expansion tank (not furnished)
See Figure 2, for diaphragm type expansion tank.
For diaphragm type expansion tanks, adjust tank air
pressure to match system fill pressure.
• Install air vent (furnished)
as shown for diaphragm
type
expansion tank system only.
• Install make-up water connections as shown and per
local codes.
• If pressure reducing valve is used, adjust to match
system fill pressure. Verify clean water supply is
available when connecting cold make-up water supply
to boiler. When water supply is from well or pump,
install sand strainer at pump.
Burn and scald hazard.
Safety
relief valve could
discharge
steam
or hot water
during
operation.
Tnstall discharge
piping per these instructions.
Figure
3 = Relief
Valve
Discharge
Piping
RELIEF VALVE
DISCHARG
E
PIPING----_
Check local code._
for maximum
distance from
floor or other
allowable safe
point of discharge
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