User Manual - McIntire Co.
Contents
1. 4 22222224 pesseidwoy 1 Ajquiessy JI a 77 OL YOOUD 00E W EPON w OATJUTIW M 1 2 9 614 23 Rack Mount O 19 Rack Mount O Wall Mount O 16 Stud Mount La McIntire Figure 3 Mounting Options Key Esc Key Key Figure 4 PLC Interface Pressure Transducer Drying Tower B Air Compressor Air Director wy A t gt gt aa n t D rying Tower 14 I 1 2 RAE TS Alarm Relays Safety Relief Valve a McIntire Figure 5 Inside View Low Flow Bypass Air Outlet Alarm Connecting Block Alarm Indicator Inlet Filter PLC Interface Indicator Power On Off Humidity Indicator Pink Wet Blue Dry ntire Figure 6 Front View Mcintire2. Model M300 Microwave Operation Manual Mcintire 745 Clark Ave Bristol CT 06010 800 4 DRY AIR 437 9247 www mcintirewireless com About us Since 1963 McIntire Company has been engaged the design development manufacturing and field service support activities of pressurization air dryer systems and related accessory equipment The needs of the telecommunications industry have changed dramatically over the last decade and we have continued to develop our product line to better serve the requirements of this dynamic market The acquisition of several popular industry related product lines make The Companies the single largest and most complete supplier of telecommunications pressurization equipment in the world Our extensive catalog includes Fully Automatic Air Dryer Systems with capacities from 200 to 30 000 SCFD engineered for maximum operational and servicing flexibility minimum maintenance and high reliability Central Office air distribution equipment including Manifolds Racks Cable Transducer Panels flow Transducer Pipe Panels and all related fittings and tubing from the Air Dryers to the cable vault Manifolds check valves Air Feeder Pipe and associated fittings for use in underground air distribution Manhole and work area protection equipment i
3. were designed to be the most efficient cost effective dehydrator available to the microwave and wireless industry Using the highest quality components and time proven drying technology the M Series is a marriage of efficiency and simplicity backed by the industry best warranty and solid customer support 2 0 Specifications Controller PLC Through its design it controls the cut in and cut out pressure of the compressor alarm reporting hour log and displays the output pressure of the microwave system 3 2 2 The PLC features user interface which allows the user to select the cut out pressures from a pre set list see specifications See paragraph 5 9 for setting instructions 3 3 Solenoid Valve 3 3 1 The M 300 features a state of LxWxH 43 x 28 x 27 Weight 45 Ibs 21 kg Requirements 8 5 Waveguide __ 0 80 Gu Ft the art 4 Way solenoid valve that ports air to either desiccant tower The solenoid valve is an industrial grade high performance part which requires no maintenance and is designed to last the average lifetime of the dehydrator 3 4 Air Compressor Output 2 4 PSI Pressure 3 5 PSI User Selectable 4 8 PSI Power 3 4 1 The air compressor featured in Alarms Excess Run the M 300 is an energy efficient NO NC Low Pressure single piston single stage Optional Alarms Humidity reciprocating piston compressor It Factory Installed was spec
4. paragraph 5 1 1 5 6 Switch the power switch to the position the compressor should turn on immediately For Sales and Service Call 1 800 4 DRY AIR 437 9247 Page 3 of 6 McIntire Series Dehydrators M300 Operating Manual 5 7 Allow the unit to run without connecting it to the waveguide pressurization system for 5 10 minutes This should remove any moisture that may have migrated into the system during storage and or transport 5 7 Inspect the moisture indicator window for evidence of moisture pink desiccant If moisture is present continue to run unit Otherwise if the desiccant is a dark blue color it is ready to be put on line Note The blue indicating dye in the moisture indicator reacts slowly to changes Initial dry out time varies based on shelf time 5 8 Plumb the waveguide dryer will require more time to pressurize the waveguide with this valve open as the flow has been reduced This is normal If your installation does not cause the dryer to short cycle keep the valve closed in the OFF position 5 9 The factory settings for On and Off pressures is 3 PSI On and 5 PSI Off To change this setting to other preset options press the Keys together to scroll to find the appropriate settings Other available options 2 and 4 PSI and 4 and 8 PSI 6 0 Service 6 1 The M 300 requires little if any service Refurbishment services are availa
5. G CO 745 CLARK AVE BRISTOL CT 06010 1 800 437 9247 McINTIRE MODEL 300 AUTOMATIC AIR DEHYDRATION SYSTEM CONTENTS GENERA ee eens ead 2 3 MAJOR COMPONENT 5 MICROPROCESSOR CONTROLS 1 SOLENOID VALVE AIR GOMPRE SSOR 1 MCINTIRE DRYING 5 4 ORERATION 5 INSTALLATION rinnen aware esate MOUNTING OP TONS FEOORMOUN RACK MOUNT 6 4 7 4 PARTS LIS mee rer en ern errr 8 TROUBLESRFIOOTING ALARMS eee eae 5 FIGURES 1 FLOW DIAGRAM 2 WIRING DIAGRAM 3 MOUNTING OPTIONS 4 PLC INTERFACE 5 INSIDE VIEW 6 FRONT VIEW McINTIRE MODEL 300 AUTOMATIC AIR DEHYDRATION SYSTEM SERIES DEHYDRATOR L Humidity Indicator McIntire Series Dehydrators M300 Operating Manual 1 0 General The Series Dehydrators
6. ble through Mclntire s repair services Cal 1 800 4 DRY AIR 437 9247 for details pressurization system into the outlet as acceptable by standard practices 5 8 1 Note Some _ installations incorporate a flow restrictive fitting into the air inlet side of the waveguide lf your installation utilizes such a fitting it may cause the dryer to short cycle accompanied by a measurable loss 6 2 Should emergency service or maintenance be performed a list of major parts is found below Part Number M 2270 15 Cabinet Feet M 10129 11248 Compressor Mount x 4 M 25427 M 25425 Dipole Relay M 25426 Unipole Relay M 22018 Alarm Lamp LOW FLOW Valve Transducer M 40488 Humidity Indicator For Sales and Service Call 1 800 4 DRY AIR 437 9247 Page 4 of 6 BYPASS in pressure in the waveguide when the compressor stops running If you experience the above symptoms open the Low Flow Bypass valve on the top of the dryer by turning the knob to ON Please note that the McIntire Series Dehydrators M300 Operating Manual 7 0 Maintenance 7 1 The Mclntire M 300 dehydrator was designed to require a minimal amount of maintenance 7 2 The only suggested maintenance is the bi annual replacement of the air intake filter PN M 11305 The dehydrator accessory kit that came with the original purchase contains 5 replacement filters enough for maintenance during the warranty period 7 3 To replace th
7. ccur when output pressure drops below two PSI The air dryer will continue to run in the event of a low pressure alarm 8 3 2 If alow pressure alarm occurs the following conditions may exist A significant increase in waveguide demand caused by a leak in the waveguide or a system leak within the dryer Other causes of a low pressure alarm may indicate a weak compressor or faulty pressure transducer If the display the PLC reads a negative pressure accompanied by a low pressure alarm the transducer is defective or the PLC is not receiving signal from the pressure transducer Check wiring from the transducer to the PLC and tubing the transducer to the humidity indicator For Sales and Service Call 1 800 4 DRY AIR 437 9247 Page 5 of 6 McIntire Series Dehydrators M300 Operating Manual If wiring and tubing are correct and in place replace the transducer 8 4 Power Failure Alarm 8 4 1 In the event of a power failure an external alarm signal is sent out and all settings on the dryer will default to the factory settings 3 5 psi pressure setting upon restoration of power For Sales and Service Call 1 800 4 DRY AIR 437 9247 Page 6 of 6 OOEW L ANSI BEBE Bee ane plousjosg 191 JoSseidwoy JOSSOIGWOD 19003 914 4
8. d 15 amp circuit is more than suitable 5 1 2 BEFORE continuing with the installation carefully inspect the unit for signs of damage from shipping Immediately notify the responsible carrier 5 2 Locate the two 2 mounting brackets that were shipped with the unit 5 3 Refer to Figure 2 for bracket and mounting configurations 5 4 Mounting Options 5 4 1 Floor Mount 5 4 1 1 The 300 features rubberized feet which allow the unit to be positioned directly on the floor without concern for it walking with vibration Note Be aware of the possibility of collected water rodents insects or other undesirables in the location of any floor mounted dehydrator 5 4 2 Wall Mount 5 4 2 1 Figure 2 shows the bracket configuration for wall mounting For convenience the brackets can be configured in two different ways to accommodate wall mounting one which allows a direct mount to wall studs 16 on center and another that allows for easy mounting to plywood or other re enforcement Note It is strongly advised to NOT wall mount directly to drywall or any other thin building material 12 or 34 plywood is preferred 5 4 3 Rack Mount 5 4 3 1 The 300 is designed to also be rack mounted in either a 19 or 23 rack Refer to Figure 2 for mounting bracket configurations to accommodate the two different sized racks 5 5 Once the unit is installed plug the power cord into a suitable power source see
9. d by compression 4 2 The compressed air continues through the 4 way solenoid valve and depending on electrical state ports the air to one of two desiccant drying towers 4 3 The air travels through the tower pre determined by the 4 solenoid valve and because of the desiccant materials affinity for moisture the air is dried to less than 1 Relative Humidity RH or 40 C atmospheric dew point 4 4 Using the process known as Pressure Swing Adsorption PSA a small amount of dry air is diverted through the opposite drying tower removing any moisture which may be present This purge flow is controlled by precision flow orifices that are part of the air director assembly 4 5 When the air passes through the orifice it is relieved and expanded to atmospheric pressure and free flows through the offline tower to purge it of moisture This process 15 dependant upon system pressure inside the dehydrator that is greater than what 15 present the microwave pressure system 4 6 The system pressure is regulated by the check valve which maintains adequate pressure upstream to allow PSA to take place but regulates the downstream pressure to prevent over pressurization 4 7 To further safeguard against over pressurization a safety relief valve is installed in the air stream and will open in the event the output pressure should be above 10 PSI the typical maximum operating pressure for microwave p
10. e filter simply remove the one that is in place by turning it counter clockwise 7 4 Replace it with a new one by screwing the new filter into the bulkhead clockwise Note Do NOT disassemble the filter or attempt to replace the filter element alone Replace complete assembly every time the filter is to be replaced 8 0 Troubleshooting Alarms 8 1 The M 300 should provide years of trouble free operation Should an alarm condition occur refer to the following section 8 2 Excessive Run Alarm 8 2 1 M 300 incorporates a compressor overload alarm also known as excessive the event of an excessive run alarm you will get a visual indication from the alarm light and a message on the PLC display This alarm will be generated if the compressor runs continuously for more than two hours due to a leak in the dryer a significant leak in the waveguide or a weak compressor 8 2 2 In the event that the compressor operates continuously for more than two hours the external alarm circuit will be activated and a visual indication will occur while the compressor continues to run Once the cause of the problem has been detected corrected the excessive run alarm can be reset by simply pushing the and keys together 8 3 Low Pressure Alarm 8 3 1 The low output pressure alarm condition is signaled via the PLC which energizes the alarm relay The low pressure alarm is factory set to o
11. ifically chosen this 3 0 Major Component lifetime of the dehydrator application and designed to last the Descriptions 3 1 The 300 Dehydrator by McIntire differs from most dehydrator systems on the market because of its unique technology 3 2 Microprocessor Controls 3 2 1 The M 300 features a custom designed Programmable Logic 3 5 Drying System 3 5 1 The M 300 features the very best of 80 years of experience in the dehydration field The two desiccant drying towers feature proprietary construction of the highest quality workmanship and material As a result the Mclntire drying towers are guaranteed for the lifetime of the dehydrator to never For Sales and Service Call 1 800 4 DRY AIR 437 9247 Page 1 of 6 McIntire Series Dehydrators M300 Operating Manual need repacking or replacement If it is ever warranted will replace the towers free of charge 3 5 2 Continued life and regeneration of the towers is achieved by the patented Director described below in paragraphs 4 4 4 5 4 0 Operation Refer to Figure 1 4 1 Air is drawn from the ambient environment into the cylinder head of the single piston compressor The air is then compressed by the force applied by the piston 15 exhausted back through the cylinder head exhaust port 4 2 The air then migrates through a pre cooler which aids in dispersing some of the heat generate
12. ncluding ventilator blowers portable heaters hazardous gas monitors manhole accessories and complete traffic warning systems all field proven and designed to provide years of dependable service In addition our nationwide repair facility in Somerset New Jersey is equipped to handle many types of repairs and maintenance including Piston type Compressor Rebuilding and Repair Water seal Compressor Rebuilding and Repair Complete Dryer Rebuilding Western Progress Ventilator and Heater Repairs McIntire AUTOMATIC AIR DEHYDRATION SYSTEMS MODEL M 300 INSTALLATION OPERATING AND MAINTENANCE MANUAL DRYER SYSTEM LOG Installation Data Operating Manual Information Manual 90547 Issue Date 1 06 Model No ADDENDA Serial No Compressor No Revision Date Installation Date Revised instructions to reflect Low Flow 11 22 06 Location Bypass Valve Added Low Flow Bypass Valve drawing 11 28 06 Bi Annual Maintenance Kits Ordered Installed Changed flow diagram to reflect Low Flow 4 4 28 06 Bypass Valve Revised wiring diagram to reflect new 12 01 06 terminal block Revised Figure 5 Inside View to reflect 11 28 06 PC board mounted pressure transducer Changed Figure 6 Front View to reflect 11 28 06 addition of Low Flow Bypass Valve Added Section 8 troubleshooting alarms 1 1 28 06 McINTIRE COMPANY SUBSIDIARY OF WM STEINEN MF
13. ressure windows This prevents any damage from occurring in the event of a malfunction 4 8 The air then flows through the moisture indicator window and depending on the position of the low flow bypass valve will purge a small amount of air overboard The moisture indicator indicates the effectiveness of the dehydrator system The indicator features a color changing silica gel desiccant which is dark blue in color when the system is producing dry air and pinkish in color when the RH of the output air has increased For Sales and Service Call 1 800 4 DRY AIR 437 9247 Page 2 of 6 McIntire Series Dehydrators M300 Operating Manual 4 9 Air from the moisture indicator window is also plumbed to pressure transducer which in turn generates electronic pressure reading and reports to the PLC The PLC interprets the pressure reading and depending on the cut in and cut out pressure setting turns the compressor on or off The PLC also will report a low pressure alarm depending on the reading 4 10 The air then flows to the air outlet where the microwave pressurization system is ported through 7 bulkhead fitting 5 0 Installation 5 1 The M 300 was designed to be easily mounted variety of different ways 5 1 1 The M 300 should be installed in suitable environment for electronic equipment and within the power cords length from a 115 VAC power source The unit draws minimal amperage a standar
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