Alliance Laundry Systems SWD448C Installation/Fonctionnement page 15

NOTE: When connecting to a gas line, an
equipment shut-off valve must be installed within
1.8 m (6 feet) of the dryer. An 1/8 in. NPT pipe plug
must be installed as shown for checking inlet
pressure. Refer to Figure 6.
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5
4
1 New Stainless Steel Flexible Connector –
(Use design CSA certified connector)
Use only if allowed by local codes
2 1/8 in. NPT Pipe Plug
3 Equipment Shut Off Valve
4 Black Iron Pipe
Shorter than 6.1 m (20 ft.) –
Use 9.5 mm (3/8 in.) pipe.
Longer than 6.1 m (20 ft.) –
Use 12.7 mm (1/2 in.) pipe.
5 3/8 in. NPT Gas Connection
Figure 6
4. Tighten all connections securely. Turn on gas and
check all pipe connections (internal & external)
for gas leaks with a non-corrosive leak detection
fluid.
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 3.45 kPa (1/2 psi).
Refer to Step 9 (Check Heat Source).
L.P. (Liquefied Petroleum) Gas, 93.1 MJ/m
3
(2500 Btu/ft ), service must be supplied at 10 ± 1.5
inch water column pressure.
802703
2
3
D233I
D699I
3
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
For proper operation at altitudes above 1070 m
(3500 feet) the L.P. gas valve spud orifice size must be
reduced to ensure complete combustion. Refer to
Table 2.
L.P. Altitude Adjustments
Altitude
m feet No.
1070 3500 54
2290 7500 55
3355 11000 56
Table 2
NOTE: DO NOT connect the dryer to L.P. Gas
Service without converting the gas valve. Install
L.P. Gas Conversion Kit 458P3, available at extra
cost.
Installation
Orifice Size
Part No.
mm inches
D503785
1.40 0.0550
1.32 0.0520 58755
D503786
1.18 0.0465
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