PTM200 - PTM1000 USER GUIDE
Page 3 - Rev D
1.
Transport / Inspection
Before unpacking/uncrating your new dryer, inspect the carton/crate for damage. Note any
damage on the freight bill. File notice of concealed damage if:
(a)
there are any dents in the cabinets
(b)
there is any sign of oil on the skid or floor
(c)
the refrigerant gauge shows NO pressure
(Upper right side – look for hole in packing)
File these claims with the carrier immediately!
Otherwise, proceed with unpacking/uncrating the unit.
1.1
Environmental & Location Considerations
Following these guidelines will help insure that your new dryer will provide safe and
reliable
service.
•
Unless supplied for special conditions, all PTM dryers must be located indoors in
an area with an ambient temperature between 41 - 100ºF (5-38ºC) and free from
explosive and corrosive fumes. Three (3) feet (92cm) of space must be allowed
between all open grills, walls, or other objects.
If the dryer is installed in a confined area, an exhaust system must be provided to
eliminate re-circulation of hot atmospheric air.
•
With air cooled dryers, high ambient temperatures affect the outlet dewpoint
of the dryer. The unit must not operate in an ambient of over 115ºF (46ºC). If
ambient temperature conditions are over 100ºF (38ºC), water cooled dryers are
generally recommended.
•
Unit must be installed indoors.
•
Watercooled units
- A water strainer should be installed in the water inlet circuit
to protect the heat exchanger from partial or complete blockage with a 16 - 20
mesh minimum, 20 - 40 mesh is a better choice.
•
Watercooled units
- The water media pH value should be maintained at 7.4 (not
less than 7.0 and no higher than 8.0) for proper heat exchanger life expectancy.
2.
Dryer Installation
•
NEVER work on unit under pressure
•
NEVER work on unit when power is connected
•
DO NOT over pressurize unit.
•
DO NOT pass air through the unit until it has been stabilized (operating about
15-20 minutes)
2.1
Plumbing the Air Lines
The dryers are shipped ready to run. All connections are made to the outside
of the cabinet.
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