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Installation
Fresh Air Supply Requirements
When the dryer is operating, it draws in room air, heats it, passes this air through the tumbler, and
exhausts it out of the building. The room air must be continually replenished from the outdoors
(make-up air). Replenishment of room air via HVAC systems is not acceptable. If the make-up air is
inadequate - product reliability, drying time and drying efciency may be adversely affected. Ignition
issues may also result in gas heated models.
Air supply (make-up air) must be given careful consideration to ensure proper performance of each
dryer. Fresh air ventilation openings shall not be blocked and/or sealed. Generally, an unrestricted
air entrance from the outdoors of 26 inch
2
(168 cm
2
) for each dryer. (Based on 1 inch
2
[6.5 cm
2
] per
1,000 Btu [252 kcal].)
It is not necessary to have a separate make-up air opening for each dryer. Common make-up air
openings are acceptable. However, they must be set up in such a manner that the make-up air is
distributed equally to all the dryers.
To compensate for the use of louvers used over the openings, this area must be increased by the
amount recommended by the supplier of the louvers. Make-up air openings should not be located in
an area directly near where exhaust vents exit the building.
Allowances must be made for remote or constricting passageways or where dryers are located at
high altitudes or predominantly low-pressure areas.
IMPORTANT
Component failure due to dry cleaning solvent fumes will void the warranty.
Exhaust Requirements
Exhaust ductwork should be designed and installed by qualied professional. Improperly sized
ductwork will create excessive back pressure, which results in slow drying, increased use of energy,
and possible shutdown of the dryer by a hi-limit thermostat. The dryer must be installed with a
proper exhaust duct connection leading to the outdoors.
The dryer shall not be exhausted into any gas vent, chimney, wall, ceiling or concealed space of a
building.
The condensate formed when operating the appliance from cold shall either be retained and
subsequently re-evaporated or discharged.
WARNING
• This dryer produces combustible lint and must be exhausted to the outdoors.
• Improperly sized or installed exhaust ductwork can create a potential re hazard.
• Use only smooth-walled metal ducting.
• Failure to install back draft dampers in shared dryer exhaust ducts can cause hazardous
conditions such backow of combustible gases.
The ductwork should be installed in such a way that the ductwork travels as directly as possible
to the outdoors. There should be a minimum 6-inch (15.24 cm) clearance between the back guard
and the rst bend in the ductwork for ease of servicing. Single or independent dryer venting is
recommended. It is suggested that the use of 90° turns be avoided; use 30° and/or 45° bends
2:3
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