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13
For CE Models Only
The means for disconnection from the supply must be
incorporated into wiring having a minimum contact separation
of 3.0 mm in all poles.
Single-Phase (1ø)
Wiring Connections / Hookup
The electrical input connections are made into the rear service
box located at the upper right area of the dryer. To gain
access, the service box cover must be removed.
Input connection wiring must be sized properly to handle the
dryer’s current draw. This information is printed on the dryer’s
data label.
IMPORTANT: A strain relief must be used where the input
wiring enters the oven assembly.
Electrically Heated Models Only
The electrical input connections are made at the rear service
box located at the right upper section of the dryer. To gain
access, remove rear service cover.
The only electrical input connections to the dryer are the
3-phase (3ø) power leads (L1, L2, L3, and sometimes neutral)
and ground. Single-phase (1ø) power for the control circuit
and for any single-phase (1ø) motors (if present) is done
internally to the dryer by the factory at the oven contactor.
No single-phase (1ø) input connection is required on a
3-phase (3ø) dryer.
The neutral will only be used on 4-wire service. This is typical
for 380-416V, 50 Hz.
CAUTION: The dryer must be grounded. A ground
lug has been provided for this purpose.
Input connection wiring must be sized properly to handle the
dryer’s current draw. This information is printed on the dryer’s
data label.
Gas Information ______________________
It is your responsibility to have all plumbing connections,
materials, and workmanship conform to local and state
regulations or codes of the country of destination. In the
absence of such codes, all plumbing connections, materials,
and workmanship must conform to the applicable local
requirements. In the USA this is National Fuel Gas Code
ANSI Z223.1/NFPA 54, or in Canada, Natural Gas and
Propane Installation Code CSA B149.1.
In Australia, the fuel gas code is AS/NZS5601, local authority,
gas, electricity, and any other relevant statutory regulations.
It is important that gas pressure regulators meet applicable
pressure requirements, and that gas meters be rated for the
total amount of all the appliance Btu being supplied.
IMPORTANT: Failure to comply with these codes or
ordinances, and/or the requirements stipulated in this
manual, can result in personal injury and improper
operation of the dryer.
For ease of service, the individual gas supply line of each
dryer must have its own manual shutoff valve.
IMPORTANT: The dryer and its individual shutoff 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 (3.5 kPa) for non-CE
dryers or 50 mb for CE dryers.
Failure to isolate or disconnect the dryer from supply as
noted can cause irreparable damage to the gas valve,
voiding the warranty.
NOTE: The dryer must be isolated from the gas supply
piping system by closing its individual manual shutoff valve
during any pressure test of the gas supply system at test
pressures equal to or less than 1/2 psig (3.5 kPa) for non-
CE dryers or 50 mb for CE dryers.
!
WARNING
Fire or explosion could result due to failure of
isolating or disconnecting the gas supply as noted.
NOTE: Undersized gas piping will result in ignition
problems, slow drying, increased use of energy, and can
create a safety hazard.
The dryer must be connected to the type of heat/gas indicated
on the data label and pressure must be confirmed. If this
information does not agree with the type of gas available, do
not operate the dryer. Contact the reseller who sold the dryer
or contact the manufacturer.
The input ratings shown on the data label are for elevations
up to 2,000 feet (610 meters), unless elevation requirements
of over 2,000 feet (610 meters) were specified at the time
the dryer order was placed with the factory. The adjustment
or conversion of dryers in the field for elevations over 2,000
feet (610 meters) is made by changing each burner orifice.
If this conversion is necessary, contact the reseller who sold
the dryer or contact the manufacturer.
IMPORTANT: If connection to this appliance is made with
a flexible hose, it must be suitable for the appliance
category in accordance with national installation
regulations of the country of destination, and if in doubt the
installer must contact the supplier. The manufacturer of
this appliance does not recommend the use of flexible gas
supply line/hose. An external gas supply shutoff must be
provided.
!
WARNING
(CE Dryers Only)
This appliance must only be operated with the gas
type indicated on the dryer’s data plate. If the
appliance is converted (gas type changed), a data
plate amendment must be obtained from American
Dryer Corporation for CE approved units.
CE and Australian Dryers
There is an N.P.T. to B.S.P.T. adaptor included with each dryer,
which must be installed to the gas inlet. The adaptor is
shipped in the tumbler.
IMPORTANT: Pipe joint compounds that resist the action
of natural, propane, and butane gases must be used.
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