Sterling 90-225 CFM - Manuals

Cabinet Series Dehumidifying Dryer 6 Dryer Safety Tags Tag Description Tag Description Read Operation & Installation Manual High Voltage Inside Enclosure Hot! Lifting Point PE Protected Earth Ground Earth Ground 1-2 Warnings and Precautions Our equipment is designed to provide safe and reliable ...

Cabinet Series Dehumidifying Dryer 7 We have long recognized the importance of safety and have designed and manufactured our equipment with operator safety as a prime consideration. We expect you, as a user, to abide by the foregoing recommendations in order to make operator safety a reality. 1-3 Re...

Cabinet Series Dehumidifying Dryer 8 „ NEVER place your hands or any part of your body in any dangerous location. „ NEVER operate, service, or adjust the dryer without appropriate training and first reading and understanding this manual. „ NEVER try to pull material out of the dryer with your hands ...

Cabinet Series Dehumidifying Dryer 9 If you need to repair a large component, use appropriate handling equipment. Before you use handling equipment (portable “A” frames, electric boom trucks, fork trucks, overhead cranes) be sure the load does not exceed the capacity of the handling equipment or cau...

Cabinet Series Dehumidifying Dryer 10 Chapter 2: General Information 2-1 Models Covered This manual provides instructions for installing and operating 90, 100, 150, and 225 CFM cabinet-style dehumidifying dryers. 2-2 Equipment Function Our dehumidifying dryers are designed to generate heated, dehumi...

Cabinet Series Dehumidifying Dryer 11 ; Audible/visual critical alarm. ; Fusing for blowers and heaters. ; Dirty Filter indicator for each individual blower. 2-6 The Closed Loop Drying System Dehumidifying dryers force hot, dry air through the resin in the drying hopper where the air picks up moistu...

Cabinet Series Dehumidifying Dryer 12 2-7 What is Desiccant? Desiccant is a material which attracts and holds (absorbs) water from the air. Our dehumidifying dryers use a synthetic crystalline metal aluminosilicate desiccant blended with a clay binder and formed beads. Absorbed water is driven from ...

Cabinet Series Dehumidifying Dryer 13 Chapter 3: Installation 3-1 Positioning Your Dryer The dehumidifying dryer system was designed to be wheeled into place. The entire assembly is mounted on a rugged, compact frame and is equipped with sturdy, 4” (10 cm) heavy-duty casters, two locking and two swi...

Cabinet Series Dehumidifying Dryer 14 3-5 Process Air Connections Between the Dryer and Drying Hopper ; Remove the cap plugs from the inlet, discharge and bleed tubes before operation. ; Use high-temperature flexible dryer hose to connect the dryer to the drying hopper. ; Keep the delivery hose as s...

Cabinet Series Dehumidifying Dryer 15 Chapter 4: Controls 4-1 Control Panel Indicator Lights and Switches Rocker Switches System ON/OFF Rocker Switch Used to de-energize control power to the indicator panel, allowing separate control of the dryer and conveying systems. Dryer ON/Sequence Shutdown Roc...

Cabinet Series Dehumidifying Dryer 17 Figure 2-Typical Dyer Interface Panel

Cabinet Series Dehumidifying Dryer 18 4-2 Process Air Dew Point Display The Dew Point display indicates the current process air delivery moisture content. The display uses a microprocessor-based controller for reading dew point air temperature. The controller is a modular, self-contained removable u...

Cabinet Series Dehumidifying Dryer 19 4-5 Identifying Temperature Controller Buttons Display Button This button shifts the display to the next set of parameters. Then, the menu screen displays. Down Arrow Button The Down Arrow button lets you lower the process air set point temperature. During setup...

Cabinet Series Dehumidifying Dryer 20 E5CK Operating Parameters The E5CK has several mode selections. Within each mode are numerous parameters that can be set. The setting is different for the temperature control unit and the dew point display. Before you can access the several modes of operating pa...

Cabinet Series Dehumidifying Dryer 21 Figure 4: Display Readout for Mode Settings PV SV SV SV SV SV SV SV Menu display Level 0 mode Level 1 mode Level 2 mode Setup mode Expansion mode Option mode Calibration mode 4-6 Setting the Process Air Temperature To change the process air temperature set point...

Cabinet Series Dehumidifying Dryer 22 PLC LED Indicators The following indicators are located inside the dryer cabinet. See Figures 5, 6, and 7. Name Description System Start/Sequence Shutdown (I/0) When ON, activates the operation of the dryer portion. Compressed Air Input ( I /1) When ON, confirms...

Cabinet Series Dehumidifying Dryer 23 Output LED Indicators Name Description Blower On (O/0) The Blower On indicator lights when the blower energizes. Process Heater Enable (O/2) The Process Heater Enable activates the process heater. The indicator lights when the process heater is energized. This c...

Cabinet Series Dehumidifying Dryer 24 Figure 5: Typical Subpanel Layout

Cabinet Series Dehumidifying Dryer 25 Figure 6: Typical Cabinet Dryer Electrical Schematic, Drawing 1 \

Cabinet Series Dehumidifying Dryer 26 Figure 6: Typical Cabinet Dryer Electrical Schematic, Drawing 2 222

Cabinet Series Dehumidifying Dryer 27 4-8 Setting the Shift on Dew Point Our dehumidifying dryers shift air flow from the on-line desiccant bed to the regenerated desiccant bed, based on actual dew point demand, not fixed time cycles. After the off-line bed regenerates, the PLC controller waits for ...

Cabinet Series Dehumidifying Dryer 28 5. Use the Up and Down Arrow buttons to set the higher or lower value for the high dew point alarm. Hold the Display button to save the value and return to Level One. 6. Press the Down Arrow button until the controller displays Level 0. 7. Press and hold the Dis...

Cabinet Series Dehumidifying Dryer 29 No. Function 1 Shifts the cursor ( ∇ ) specifying a day to the right. 2 Sets or cancels (reset) a specified day. 3, 4 Sets a time or ON/OFF time width. (hours, minutes) 5 Monitors the parameters set for an operation during an operation. 6 Sets parameters. (Write...

Cabinet Series Dehumidifying Dryer 30 8. Press the WRITE key (#6) to store the correct time. 9. The time and day can be adjusted or changed while the timer is operating. Daily Timer Operation Daily time is typically set to operate from 8:00 AM and to stop at 5:00 PM from Monday through Friday. 1. Se...

Cabinet Series Dehumidifying Dryer 33 Chapter 5: Operation 5-1 Pre-Startup Checks 1. Verify that the drying hopper is clean of rust-prohibitive oil or any foreign objects. 2. Verify that process and return hose connections are tight. 3. If your dryer has a water-cooled aftercooler, make sure that su...

Cabinet Series Dehumidifying Dryer 34 twenty minutes to cool down the process. The regeneration cycle of the off-line bed completes the cycle before the dryer shuts down completely. 4. To override the sequence shutdown turn the system ON/OFF switch to OFF . 5. To completely shut off the unit after s...

Cabinet Series Dehumidifying Dryer 35 Chapter 6: Maintenance 6-1 Work Rules The installation, operation, and maintenance of this equipment is to be conducted in accordance with all applicable work and safety codes for the installation location. This may include, but is not limited to, OSHA, NEC, CSA...

Cabinet Series Dehumidifying Dryer 36 Recommendations for Cleaning and Replacing Filters • Turn off and/or lock out electrical power to the dryer. • Remove the threaded fastener securing the filter access cover, and then remove the cover. • Remove the nut on the center retaining rod to remove the fi...

Cabinet Series Dehumidifying Dryer 37 Preventative Maintenance Checklist Dehumidifying Dryer Systems System model # Serial # Every week Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Date/ By Inspect all filters for wear, replace/clean if ...

Cabinet Series Dehumidifying Dryer 38 6-3 Servicing the Dew Point Monitor The accuracy of the dew point monitor on dehumidifying dryer systems depends on proper operation of the dew point sensor and the control board. The dew point sensor is in the process air stream and is therefore susceptible to ...

Cabinet Series Dehumidifying Dryer 39 First Aid: In case of eye contact, immediately flush eyes with plenty of water for at least 15 minutes. If irritation persists, see a physician. 6-5 Replacing Worn Desiccant Caution! Make sure desiccant beds are sufficiently cool before replacing worn desiccant....

Cabinet Series Dehumidifying Dryer 40 Figure 7: Required Desiccant Amounts per Bed; Type 4X Desiccant (2 beds per unit) Dryer Large bead (Type 4X) Small bead (Type 4X) Total per bed CFM Part no. lbs. Kg Part no. lbs. Kg lbs. Kg 90 3.0 1.362 21.0 9.534 24.0 10.896 100 3.0 1.362 21.0 9.534 24.0 10.896...

Cabinet Series Dehumidifying Dryer 41 6-7 Replacing the Regeneration Heater The dehumidifying dryers use heater elements located below each desiccant bed. WARNING! Disconnect and lock out power before you replace heater elements! 1. Remove the cover plate secured by bolts. 2. Sketch the heater wirin...

Cabinet Series Dehumidifying Dryer 45 Option Type RE232C RS-485 Event Input Transfer Output Board Number E53-CK01 E53-CK03 E53-CKB E53-CKF Mode Parameter Setting range Default Factory setting Option Eu-A Multi-SP Function 0/1 0 Default Option Eu-1 Event Input Assign 1 STOP/MAN STOP Default Option Sb...

Cabinet Series Dehumidifying Dryer 46 Level 2 Cn5L input shift lower limit -999.9 to 999.9 ° C 0.0 Default Mode Parameter Setting range Default Factory setting Setup Cn-t Input Type 0 to 21 2 17 Setup Cn-H Scaling Upper Limit Scaling Lower Limit +1 to 9999 EU -100 15 ° F/-9C Setup Cn-L Scaling Lower...

Cabinet Series Dehumidifying Dryer 48 Chapter 7: Troubleshooting Problem Possible cause Corrective action Dirty filter. Clean or replace filter. Desiccant beds are contaminated by material or plasticizer leaking into the system. Replace desiccant. Blower overload has tripped. Fix the problem and res...

Cabinet Series Dehumidifying Dryer 49 Problem Possible cause Corrective action Airflow valve sticking or failing to shift. Check for proper operation of valve actuators. Repair or replace if necessary. Loss or reduction in drying capacity. (Cont’d.) Blower fins filled with dust or contaminants. Remo...

Cabinet Series Dehumidifying Dryer 50 Problem Possible cause Corrective action The internal mechanism is not inserted properly into the housing. Properly insert the internal mechanism into the housing. The power supply is not connected to its terminals properly. Properly connect the power supply to ...