Kleenmaid LEG37A - Manual (Page 16)

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NOTE: When connecting gas supply line, a pressure
test point must be installed downstream from the
shutoff valve for checking inlet gas pressure.
5. The gas line to your laundry room should be made
of black iron pipe. A 3/8 inch (9.5 mm) pipe with
an inside diameter of .46” (11.7 mm) will be
adequate if length of supply line is not over 20 feet
(6 m). If length exceeds this, use 1/2” (12.7 mm)
pipe. If copper semi-rigid tubing is used it must be
internally tinned or equivalently treated to resist
sulfur corrosion.
NOTE: The dryer and its appliance main gas valve
must be disconnected from the gas supply piping
system during any pressure testing of that system at
test pressures in excess of 1/2 psig (3.45 kPa).
The dryer must be isolated from the gas supply piping
system by closing the equipment shutoff valve during
any pressure testing of the gas supply piping system at
test pressure equal to or less than 1/2 psig (3.45 kPa).
6. Check all pipe connections (internal and external)
for gas leaks with a soapy solution. Gas
connections should be checked annually for
leakage.
7. Be sure the shut off valve in your dryer is OPEN.
Your dryer is shipped with the valve open.
8. The dryer gas valve is equipped with a pressure test
point for checking manifold pressure.
For proper operation at altitudes above 3,000 feet (915
m) the natural gas valve spud orifice size must be
reduced to ensure complete combustion. See table
below.
Natural Gas Altitude Adjustments
Altitude Orifice Size Part
Number ft m # Inches mm
3000 915 43 0.0890 2.26 503778
6000 1830 44 0.0860 2.18 58719
8000 2440 45 0.0820 2.08 503779
9000 2740 46 0.0810 2.06 503780
10000 3050 47 0.0785 1.99 503781