Sterling Clothes Dryer SDAP User Manual

SDAP Nomad Dryer with AP1 Control  
Reference Manual (PN: 882.00281.00) for  
Complete Operation and Installation Instructions  
(Available online at www.sterlco.com)  
Quick Start Pre-Startup Checklist  
1. Check the process and return hoses for tight connections.  
2. Check all companion equipment, such as the drying hopper; verify the  
loading system is ready for operation.  
3. Verify all dryer electrical connections are tight.  
4. Verify the thermocouple is properly installed at the hopper inlet.  
5. Verify temperature unit/scale (°F or °C).  
Quick Startup Checklist  
1. Turn ON the power disconnect switch in your power drop, then turn ON the  
power disconnect switch on the dryer.  
2. Turn the dryer ON/OFF switch to ON to energize the display panel.  
3. Check the display for the proper temperature scale (°F or °C).  
4. Close the slide gate at the bottom of the drying hopper.  
5. Fill the drying hopper with material.  
6. Press the START button on the touch screen to start the dryer (Display will  
change to SHUTDOWN). The process blower starts.  
a. Make sure the blower turns in the correct direction.  
b. Disconnect the hose from drying hopper to the filter.  
c. Quickly turn the ON/OFF switch to OFF. You  
should feel a suction at the inlet of the filter. (Secure the  
hose back in place).  
Setting the Process Air Temperature  
1. Press and hold the SET POINT Display until a number key pad appears.  
2. Enter the values you would like to set in the screen by pressing the number keys.  
3. Press ENT (Enter) when you are finished.  
Auto-Tuning the Dryer  
1. From the “Dryer Status” screen, press “Dry Menu”.  
2. Select Auto Tune to gain access to this screen. The Access Code into the Auto  
Tune screen is: 1234.  
Note: The auto tune feature can be enabled by pressing the PUSH TO START  
button. AUTOTUNE IN PROGRESS or PROCESS NOT ACTIVE will  
inform the operator of the current status of this feature.  
3. At this point, the operator can return back to the DRYER MENU or MAIN MENU  
by touching the appropriate button on the screen.  
Setting the Redundant Safety Controller  
The Redundant Safety Controller alarm setting is changed  
by pressing the up and down keys, which inputs the alarm  
value.  
The upper display reading indicates the Process Value,  
while the lower display indicates the High Point Setting  
alarm value.  
UP  
&
DOWN  
Keys  
Sterling  
Part No: 682.92636.03  
Bulletin No: DH1-315.02  
2900 S. 160th Street • New Berlin, WI 53151 USA  
Tel. 262.641.8610 • Fax 262.641.8653  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SDAP Nomad Dryer with AP1 Control  
Reference Manual (PN: 882.00281.00) for  
Complete Operation and Installation Instructions  
(Available online at www.sterlco.com)  
Convey to Drying Hopper With  
Proportioning Valve & Two  
Machines, Configuration “DP”  
Convey to Drying Hopper With  
Proportioning Valve & Two  
Machines, Configuration “CP”  
(Air Flow Schematic)  
Drying Hopper  
Loader  
DH  
Valve  
Blower  
Filter  
ON  
Desiccant  
Tanks  
T’Couple  
Location  
M1  
M1  
Machine 2  
Loader  
Machine 1  
Loader  
HB  
MB  
Slide  
Gate  
Process  
Heater  
Machine Hopper  
Blower Blower  
Air In  
Maintenance  
Filters: Recommendations for Cleaning and Replacing  
Air Out  
1. Turn off and/or lock out electrical power to the dryer.  
2. Loosen the clamp, and remove the dust can.  
3. Remove the thumb nut, on the center retaining rod, to remove the  
filter cartridge.  
Clamp  
Thumb Nut  
4. Pull the filter cartridge out.  
Vacuuming  
Try vacuum-cleaning a soiled filter first. Vacuuming removes most  
large particles and surface contaminants, and may suffice for the first  
time you clean a filter.  
Filter  
Cartridge  
Filter Housing  
Dust Can  
Use a commercial-duty (recommended) or household vacuum  
cleaner. Vacuum the filter from the air intake (dirty) side only.  
Cleaning with Compressed Air  
1. Blow clean, dry, compressed air up and down the pleats, blowing out  
the filter from the inside out.  
(Return Air Filter)  
2. Remove loose dirt from the filter with compressed air or vacuum from  
the outside.  
3. Inspect the filter element. Briefly hold a light bulb behind the element  
and look for any fatigued paper or residual dirt. Inspect for holes and  
tears by looking though the filter toward a bright light. Check for  
damaged gaskets or dented metal parts.  
Note: Do not re-use a damaged filter!  
Cooling Coils: Cleaning and Replacement Procedures  
1" Wide x 1/8" Thick High  
1. Shut down the dryer, tag out and lock out the controls if  
necessary.  
2. Shut the water off to the cooling coil.  
3. Remove the four 10-32 bolts.  
Temperature Gasket  
Use compressed air or a steam  
cleaner to blow the dust off or  
clean any oily residue on the coil.  
Undo (4) 10-32 Button  
Head Screws using 1/8  
Allen Wrench  
4. Gently slide the cooling coil out.  
5. Visually inspect the coil for leaks, dirt, and any sign of  
contaminants.  
6. Blow the dust out, or if the coil is covered with plasticizer,  
steam clean it.  
7. Place the coil back in its housing. Make sure the gasket is  
undamaged; replace if necessary.  
(Cooling Coil)  
8. Inset the four 10-32 bolts back in place.  
9. Turn the water to the cooling coil back on.  
Water flow requirement:  
If used as an After-Cooler: 3 to 4 GPM @80°F.  
If used as a Plasticizer Trap: 3 to 4 GPM @ 40°F to  
45°F.  
Sterling  
Part No: 682.92636.03  
Bulletin No: DH1-315.02  
2900 S. 160th Street • New Berlin, WI 53151 USA  
Tel. 262.641.8610 • Fax 262.641.8653  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SDAP Nomad Dryer with AP1 Control  
Reference Manual (PN: 882.00281.00) for  
Complete Operation and Installation Instructions  
(Available online at www.sterlco.com)  
Spare Parts List  
Desiccant  
Replacement Beads  
Regeneration  
Thermocouple  
Process  
Thermocouple  
Model  
Filter  
Gasket  
Standard  
Temperature  
25/50/100 – Part # W00052474  
High Temperature –  
25 ONLY – 96” Long  
– Part # A0568474  
50/100 ONLY – 96”  
Long  
Standard and  
High  
Temperature  
– Part #  
15’ Long (Braided Design)  
– Part # A0568466  
72” Long (Braided Design)  
– Part # A0568473  
SDAP  
13 X Beads – Part #  
W00018051  
Part # 161.00194.00  
– Part # A0543758  
A0566839  
Note: Refer to the main manual and wiring diagram for a complete Spare Parts List  
Troubleshooting - Quick Guide  
Alarm Message  
Cause  
Corrective Action  
Dryer Status  
Make sure the process air filter is clean. Clean or replace if  
necessary.  
Dryer Normal:  
The dew point  
reading has  
exceeded the  
dew point alarm any damaged seals.  
set point.  
Make sure all the hose connections and all the components of  
the dryer have proper seals on them (i.e. desiccant tanks, heater  
box, filters, after-cooler). Tighten the connections and replace  
- Process blower ON.  
- Process heaters ON.  
- Regen heaters ON.  
- Alarm Message ON.  
- Alarm horn is OFF.  
High Dew Point  
Make sure the regeneration timing cycle matches the specs. If  
not, contact the Service Department.  
Desiccant may be contaminated and blocking the air flow. Check  
desiccant, replace if necessary.  
Make sure the process filter is clean. Clean or replace if  
necessary.  
Dryer Shuts Down:  
Double check the alarm set point is at 35° F.  
- Process blower OFF.  
- Process heaters OFF.  
- Regen heaters OFF.  
- Alarm light is ON.  
The process  
temperature  
has exceeded  
the alarm set  
point.  
Check the positioning of the thermocouple inside the air inlet of  
the drying hopper. The tip of the thermocouple should be  
centered in the tube, and not touching any metal part of the tube.  
The drying temperature set point is lower than dryer capabilities.  
Check the dryer specs.  
Process High  
Temp  
- Alarm horn is ON.  
Make sure all the hose connections are tight.  
Make sure the regeneration timing cycle matches the specs. If  
not, contact Service department.  
The limit switch  
on the valve  
may not have  
been wired  
The switch is indicating the incorrect desiccant tank is in  
regeneration. Check the wiring of the switch against the wiring  
diagram. Make sure all the wire connections are tight.  
Dryer Shuts Down:  
Valve Positioning  
Fault  
- Process blower OFF.  
- Process heaters OFF.  
- Regen heaters OFF.  
- Alarm light is ON.  
correctly.  
The valve has  
made enough  
rotations and  
the correct  
position of the  
valve was not  
detected.  
Limit switch may be out of position. Re-adjust the switch so it  
trips when it is at the high position, and avoids touching the cam  
when it is at the low position.  
- Alarm horn is ON.  
Valve Motor  
Override  
Limit switch may be faulty. Replace the switch and make sure  
the wires are connected correctly.  
Sterling  
Part No: 682.92636.03  
Bulletin No: DH1-315.02  
2900 S. 160th Street • New Berlin, WI 53151 USA  
Tel. 262.641.8610 • Fax 262.641.8653  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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