Problem
Delivery Air Protection High
Temperature
– If the delivery
air protection temperature
exceeds the process protection
high temperature set point, it
shuts down the dryer. Defaults
are set to 600°F {316°C} for
10 seconds.
Delivery Air Protection
Temperature Differential
- If
the difference between the
delivery air temperature exit-
ing the delivery air heater and
the temperature of the air
entering the hopper is greater
than 175°F {97°C} for longer
than 180 seconds it shuts
down the dryer.
Possible cause
The delivery air RTD temperature probe
is not installed correctly.
The delivery air blower is not running.
The air lines between the dryer and hop-
per are restricted or loose.
The dryer is too far from the hopper.
The delivery air hose is not insulated.
The air lines between the dryer and hop-
per are restricted or loose.
The dryer is located too far away from
the hopper.
The delivery air RTD is loose or has fall-
en out.
The delivery air blower is not running.
The delivery air hose is not insulated.
Solution
Make sure the RTD temperature probe
tip is in the center of the hopper inlet
tube.
Correct the cause of the non-functioning
blower.
Straighten any crimps in the hoses.
Tighten any loose hoses.
Move the dryer closer to the hopper and
shorten the hoses.
Insulated hose is required for high dry-
ing temperatures.
Check for airflow blockages or loose
hoses between the outlet of the dryer and
the inlet of the hopper. Straighten any
crimps in the hoses. Tighten any loose
hoses.
The dryer and the hopper should not be
located more than 10 feet {3 m} apart.
Check the delivery air RTD and tighten
if needed.
Correct the cause of the non-functioning
blower.
Insulated hose is required for high dry-
ing temperatures.
6-12
l Tr o u b l e s h o o t i n g
Shutdown Alarms
If an alarm occurs, a red dialog box is displayed on the dryer’s touch screen
control. The dryer will shut down automatically to prevent damage to the
equipment or personnel. The dialog box will indicate whether the alarm is a
shut down alarm or a passive alarm.
Summary of Contents for Carousel Plus UGD043-1216
Page 7: ...Table of Contents l v...
Page 8: ...vi l Table of Contents...
Page 48: ...3 24 l Installation Testing...
Page 54: ...4 6 l Operation Control Function Flow Charts continued Login Flow Chart...
Page 55: ...4 O p e r a t i o n Operation l 4 7 Operation Basic Controls...
Page 56: ...4 8 l Operation Control Function Flow Charts continued Operation Flow Chart 1 continued...
Page 58: ...4 10 l Operation...
Page 59: ...Operation Dew Point Package Controls 4 O p e r a t i o n Operation l 4 11...
Page 60: ...Control Function Flow Charts continued Operation Flow Chart 1 4 12 l Operation...
Page 62: ...4 14 l Operation...
Page 63: ...4 O p e r a t i o n Operation l 4 15 Operation Setup Control...
Page 64: ...4 16 l Operation Control Function Flow Charts continued continued Setup Flow Chart 1...
Page 66: ...4 18 l Operation continued Control Function Flow Charts continued Equipment Setup Flow Chart 2...
Page 164: ...6 46 l Troubleshooting...