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CONNECTING APPLIANCE TO GAS SUPPLY
A TRAINED SERVICEMAN OR GAS APPLIANCE
MAXITROL
REGULATOR
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INSTALLER MUST MAKE THE GAS SUPPLY
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CONNECTION. Leak testing of the appliance shall be
conducted by the installer according to the instructions
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given.
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INSTALLGASSHUTOFFVALVE
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Install a manual shutoff valve in an accessible location in
the gas line external to this appliance for the purposeof
turningon or shuttingoff gas to the appliance.
Make the gas connectionto the inlet of the pressure
regulatoron this appliancewith a 1/2" male pipethread,
ILLUSTRATION "A"
Use an approvedpipejoint compoundresistantto the
action of LP gas at pipeconnections.Test alljointsfor
HARPER-WYMAN
REGULATOR
gas leaks with a soap and water solution or other
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accepted leak detection means. Never test for gas leaks
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The revers_le cap is
with an open flame,
labeled either "LP" o r
"NAT" and iseasily
PRESSURE TESTING
recognized
by 61e
The maximum gas supply pressure for the regulator
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raised c anter coin slot
supplied on this appliance is 14_ Water Column. The test
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(for Natural)orthe
pressure for checking this regulator must be at least 6"
cer_r well ( for LP).
Water Columnfor naturalgas, and at least 11" Water
Column for LP. It is shipped from the factory set for
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natural gas at 5" Water Column.
ALTERNATE ILLUSTRATION "A"
This applianceand its individual s hutoffvalve must be
disconnectedfrom the gas supplypipingsystemdudng
any pressuretesting of that system at test pressuresin
wrench-tightened upon replacement.Firm finger
excess of 1/2 PSIG (3.5 k Pa).
tighteningwillsecure the cap.)
This appliancemust be isolatedfrom the gas supply
To convert regulatorto LP inserta coin intothe slot in the
pipingsystem by closingits individualmanualshutoff
cap of the regulatorand turncounterclockwise to loosen.
valveduringany pressuretestingof the gas supplypiping
Reverse (invert)cap, push downand turn clockwise to
system at test pressures equal to or less than 1/2 PSIG
lock in place. When finished, the marking "LP" shouldbe
(3.5 k Pa).
visible in the center well of the cap.
APPLIANCE PRESSURE REGULATOR
CONVERSION TO LP GAS
(See illustration "B")
CONVERSION
(See illustration "A")
This appliance is shipped from the factory equipped for
Followthe instructions belowto convertthe regulatorfor
use with natural gas. To convert it from natural gas for
use with LP gas. (This applianceis shippedfrom the
use with LP gas, perform steps 1 through4.
factoryadjusted for use with natural gas.)
1. Unscrew the hex shaped cap from the neck of the
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regulator. (A wrench may be required to loosenthe
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cap.)
1/2" OPEN END
WRENCH.
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2. Within the cap is a plastic pin. Remove this pin from
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the cap by applying sideward pressure to the pin. (See
TURN CLOCKWISE
illustration,)
TURN
_1
lie
TO TIGHTEN
COUNTERCLOCK'WlSE
3. Invertthe pin and snap it back into place withinthe cap
TOREMOVE
ORIFICE HOOD
by applyingeven finger pressureat opposingedges of
ILLUSTRATION "B"
the pin'scirculardisc.The pin mustbe seated firmly
and squarely in the cap,
1. Remove naturalgas orifice hoods.Remove LP orifice,
Pin replacement may be most easily accomplished by
(if so equipped) in tube assemblies. Install color coded
placing the cap on a flat horizontal surface, as shown in
orifice hoods supplied. (SEE LP GAS CONVERSION
the illustration,and applyingdownwardfingerpressure
INSTRUCTIONS PAGE 15.)
at the edges of the pin'sdisc.
2. Invert cap in convertible pressure regulator (if so
4. Screw the cap securely back into place in the neck of
equipped) located at entrance to gas manifold.
the pressure regulator. (The cap need not be
-11-
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