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20
American Dryer Corp.
113546 - 2
Piping / Connections
Gas Inlet Connection CE: 3/4” B.S.P.T. (female)
Gas Inlet Connection - All Other: 3/4” N.P.T. (male)
There should be a minimum 6-inch (15.24 cm) clearance
between the back guard and the first bend in the gas piping
for ease of servicing. It is recommended that a gas shutoff
valve be provided to the gas supply line of each dryer for
ease in servicing.
The size of the main gas supply line (header) will vary
depending on the distance this line travels from the gas meter
or, in the case of L.P. gas, the supply tank, other gas-operated
appliances on the same line, etc. Specific information
regarding supply line size should be determined by the gas
supplier.
NOTE:
Undersized gas supply piping can create a low or
inconsistent pressure, which will result in erratic operation
of the burner ignition system.
TYPICAL NATURAL GAS INSTALLATION
!
TYPICAL L.P. GAS INSTALLATION
!
Consistent gas pressure is essential at all gas connections.
It is recommended that a 3/4-inch (19.05 mm) pipe gas loop
be installed in the supply line servicing a bank of dryers. An
in-line pressure regulator must be installed in the gas supply
line (header) if the (natural) gas pressure exceeds 13.0 in
WC (32.34 mb) pressure.
A plugged tap, accessible for a pressure gauge connection,
must be installed in the main gas supply line immediately
upstream of the dryers.
IMPORTANT:
Pipe joint compounds that resist the action of
natural, L.P., and butane gases must be used.
Test all connections for leaks by brushing on a soapy water
solution (liquid detergent works well).
Warning
Never test for leaks with a flame!!!
Converting from One Family
of Gas to Another ______________________
Warning (CE Dryers)
This appliance must only be operated with the gas
type indicated on the dryer’s rating plate. If the
appliance is converted (gas type changed), a new rating
plate must be obtained from ADC (dryer’s serial number is
required to purchase a conversion kit).
IMPORTANT:
Any burner changes or conversions must be
made by a qualified professional.
The dryers manufactured for Belgium, Luxemburg, Greece,
Estonia, Slovak Republic, Iceland, Malta, Poland and
Cyprus cannot be converted from one family of gas to
another.
Conversion from Natural Gas
to Propane or Butane Gas
The following conversion allows the dryer to be operated with
either propane, butane, or LPG. The use of gas valve
conversion kit (P/N 140419) disables the internal regulator of
the gas valve. Therefore, the gas supply is ungoverned and
an external regulator must be provided at the source of the
supply (example L.P. tank) or the gas supply line to the dryer.
The type of L.P. kit supplied will depend on the country the
dryer is installed in.
Содержание AD120i
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