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MT Series DryLine

Dehydrator User Manual

Section 1

General Information

1.1

Introducing New DryLine

Dehydrator.

The CommScope DryLine

MT1000/2000

Dehydrator are a new generation of

pressurization equipment for antenna and

transmission line systems. They feature a

new patented membrane separation drying

technology for the industry’s best performance

and reliability.

Each large DryLine

dehydrator is a

pressurization system built into a convenient

chassis, floor-mounted package. It is a self-

contained unit containing many components

which, in other systems, are typically pieced

together on site.

This Manual contains the information you need

to install, operate and maintain your DryLine

MT Series dehydrator.

1.2 Description

DryLine

dehydrator provide a source of dry air

-45°C (50°F) dew point or drier, for pressurizing

large antenna and transmission line systems.

Output pressure is controlled nominal 13.79 to

41.37 kPa (2 to 6 psig).

Air pressure is generated by an air compressor

and the air is dried by permeable separation

of the water vapor through a membrane

cartridge, eliminating the use of timer-controlled

heaters, solenoid valves, desiccant towers and

associated wiring, providing greater reliability.

Internal alarm circuitry provides a High Humidity

Power Fail, user setable excess run alarm and a

factory set Low Pressure alarm.

1.3

Introducing the DryLine

Dehydrator

StockCheck.com

Содержание DryLine MT 1000

Страница 2: ...gram Basic 7 Figure 3 MT Series System configuration diagram Multi Line 8 2 6 Connect Alarm Wiring 9 Figure 4 Upper terminal strip 9 2 7 Connect to Power Supply 10 2 8 Test the Unit 10 2 9 Connect to Dry Air Cable System 10 2 10 Purging Procedure 10 Section 3 Operation 14 3 1 Pressure Monitoring and Control 14 3 2 Programming information 14 3 3 Shutdown Procedure 14 Section 4 Theory of Operation 1...

Страница 3: ...y Module 22 7 7 Replace Compressor 22 7 8 Replace Heat Exchanger 23 7 9 Filter Bowl Replacement 23 7 10 Replace Water Filter Element 6000 hour Maintenance 23 7 11 Replace Coalescing Filter Element 23 7 12 Replace Cooling Fan 24 7 13 Replace Alarm Board 24 7 14 Replace Pressure Switch 24 Section 8 Specifications 26 Section 9 Customer Supprt 27 9 1 Introduction 27 9 2 In Case of Trouble 27 9 3 Initi...

Страница 4: ...is Manual contains the information you need to install operate and maintain your DryLine MT Series dehydrator 1 2 Description DryLine dehydrator provide a source of dry air 45 C 50 F dew point or drier for pressurizing large antenna and transmission line systems Output pressure is controlled nominal 13 79 to 41 37 kPa 2 to 6 psig Air pressure is generated by an air compressor and the air is dried ...

Страница 5: ... specifications Section 8 Do not connect the air lines on the unit at this time Turn the dehydrator on The pressure gauge on the door should read 0 psig As the unit warms up check the filter bowls See Figures 1 to ensure condensate is being released and not building up in each bowl Check the pressure gauge at the top or bottom of the membrane tube Verify it is at 90 psig 5psig Adjust the valve if ...

Страница 6: ... in the top panel marked Remote Sense Install the isolation shutoff valves The valves when used on output lines allow the system to retain pressure while the system is removed for servicing Place each valve in line between each output and transmission line Do not install the Remote Sense and Output lines into a Tee Fitting into one port on the transmission line The dehydrator will not operate prop...

Страница 7: ...ote Sense line disconnected Serious damage to the wave guide due to over pressure can occur Note To provide extra over pressure protection a secondary pop off valve may be added at this point that is closely matched to the maximum system safe pressure See specification page for options available MT Dehydrator Remote Pressure Sense Line Isolation Shut off Valves Dehydrator Output Line Primary Large...

Страница 8: ...ne disconnected Serious damage to the wave guide due to over pressure can occur Note To provide extra over pressure protection a secondary pop off valve may be added at this point that is closely matched to the maximum system safe pressure See specification page for options available MT Dehydrator Remote Pressure Sense Line Isolation Shut off Valves Dehydrator Output Line Primary Large Wave Guide ...

Страница 9: ...lly Closed contacts are desired move the jumper on the PC boards to the N C position All alarms are dry contacts and can be ganged together if a single alarm is desired Function Terminal Symbol AUX Common AUX Normally Open High Humidity Common High Humidity Normally Open Excess Run Common Excess Run Normally Open Low Pressure Common Low Pressure Normally Open Power Fail Common Power Fail Normally ...

Страница 10: ...circuit qualified service personnel should make the reconnection 2 8 Test the Unit Turn on the dehydrator The solenoids on the filter bowls should vent then close after approximately 3 seconds The dryer tube should read 90 5 psig The front panel gauge should indicate 0 psig The power LED and compressor Run LED should be illuminated The Low Pressure alarm will clear when the system is above 0 5 psi...

Страница 11: ...embrane dryer This air maintains the dryness of the membrane dryer As system air bleeds back through the dryer additional system moisture is continually removed lowering the system dew point even further The front panel gauge should reflect the system pressure Your system is now up and running at the factory programmed settings Connect the alarm wiring to the terminals on the inside of the unit Re...

Страница 12: ...on Line Pressurized to 5 lb in2 35 kPa 3 1 8 48 7 4524 2 164 1 082 0 244 0 122 4 1 16 84 0 7804 3 732 1 866 0 424 0 212 6 1 8 194 0 18023 8 624 4 312 0 976 0 488 8 3 16 347 0 32236 15 424 7 712 1 748 0 874 Guideline Waveguide for UHF TV Pressurized to 2 lb in2 14 kPa GLW1350 994 92343 44 16 22 08 2 000 1 000 GLW1500 1227 113988 54 52 27 26 2 480 1 240 GLW1700 1576 146410 70 04 35 02 3 200 1 600 GL...

Страница 13: ...MT Series DryLine Dehydrator User Manual 13 This page has been left blank on purpose S t o c k C h e c k c o m ...

Страница 14: ...and cannot be altered Alarm contacts are included in the unit and wiring terminals are located on the inside of the door When an alarm condition exists the normally open contacts are closed thereby activating a remote alarm not included Also the alarm condition will be displayed on the series of LEDs on the front panel 3 2 Programming information Excess Run Time Alarm Setting JP1 The dehydrator wi...

Страница 15: ...he heat of compression The flow of the water is controlled by a timer controlled solenoid The membrane tube separates moisture from air by a pressure differential across semipermeable fibers The water vapor and a small amount of the air permeate through the filter walls leaving the exiting air with a reduced water vapor content of 45 C 50 F dewpoint The air that permeates through the fibers purges...

Страница 16: ... 2 ORN BLU WHT PS1 PRESS SWITCH L1 L2 M2 M1 J5 J4 J1 J6 J3 J2 J7 6 5 2 1 S1 4 5 1 2 M1 HOUR METER CHASSIS GND E1 PUR YEL ORG GRY WHT BLU BRN GRN RED BLK TB1 10 9 1 2 3 4 5 6 7 8 10 9 8 7 6 5 4 3 2 1 AUX LP XR HH PF GRN BLK RED HUM SEN CABLE BLU WHT BRN GRN RED BLK ORG GRY PUR YEL BLU BRN WHT BLK WHT BLK BLK WHT GRY ORG C NO NC 1 2 GRN YEL BLU WHT BLK BLU BRN Terminal Board Figure 5 Door Schematic ...

Страница 17: ...e 6 Chassis Schematic 4 6 FEMALE CONNECTOR 5 BRN RED BLK 3 1 2 ORN BLU BLK BLK SOLENOID SOLENOID WHT WHT B1 FAN 1 BLK PUR GRN YEL DOOR GROUND COMP GRN CHASSIS GND E4 CHASSIS GROUND Door to Chassis Ground RED RED ORN ORN K3 K4 S t o c k C h e c k c o m ...

Страница 18: ... includes checking for loose or damaged hoses fittings and electrical connections Check the following items Water Filter and Coalescent Filter and Elements Verify there is no water build up in the filter bowls If there is water refer to the troubleshooting procedures in Section 6 for corrective action Replacement of the water filter and coalescent filter and their associated elements and bowls is ...

Страница 19: ...lists replaceable parts CommScope Technical Service If you cannot correct the problem or if there are other difficulties contact the CommScope Technical Service nearest you Telephone numbers are listed on Customer Support Section 9 Note Run the dehydrator to dry it out prior to connecting it to the system Run it until the high humidity alarm clears if so equipped The drying process should take abo...

Страница 20: ...tubing is properly seated in the fittings Check for loose interface points and holes in the transmission lines Correct any conditions that exist where pressure is leaking If the condition persists call CommScope Technical Service for assistance Humidity alarm on display CAUTION The humidity sensor is light sensitive DO NOT remove it from the brass fitting when the dehydrator is powered up Check th...

Страница 21: ... dehydrator overhaul kit listed below contains all necessary parts Alternatively you may send your dehydrator to CommScope for overhaul Three Year Recommended Dehydrator Spare Parts Item QTY Part Number 1 Compressor Air Intake Filters bag of six 1 46173 1 2 Compressor Air Intake Filters complete assembly housing w filter 1 46173 4 Dehydrator Overhaul Kit Includes compressor overhaul kit high tempe...

Страница 22: ... door of the dehydrator Disconnect the two terminals from the circuit breaker carefully noting the location of each wire To remove the circuit breaker compress the retainers on both sides and push it through the front panel opening Replace circuit breaker snapping it in place Reconnect the two wires 7 6 Replace Time Delay Module The Time Delay Mdule is located on the lower right side of the upper ...

Страница 23: ...mild soap and water solution and rinse with water Do not use solvents Reassemble the unit by reversing the above procedure Check for leaks by turning the unit on and applying a dilute detergent and water solution at the bowl housing seal and at the hose fittings which were reconnected If no leaks are found the unit is ready to return to service If leaks are located repair the leak and recheck for ...

Страница 24: ...leads is not critical 7 13 Replace Alarm Board With the front door open on the dehydrator disconnect the wiring from the alarm board carefully noting the location of each connector Remove the hardware which secures the alarm board to the door panel Install the replacement alarm board by reversing the above process 7 14 Replace Pressure Switch With the front door open on the dehydrator disconnect t...

Страница 25: ...MT Series DryLine Dehydrator User Manual 25 This page has been left blank on purpose S t o c k C h e c k c o m ...

Страница 26: ... 1 C to 40 C 33 to 104 F Low Pressure Alarm 6 7 to Set point Range 201 mbar 0 1 to 0 3 lb in2 High Humidity Alarm Fixed 7 5 RH factory set Excess Run Alarm Set Range Adjustable 10 to 240 min Power Fail Alarm Loss of input power Alarm Contact Rating Form C dry contacts 1 amps 30Vdc Input Power 240Vac 50 60Hz 0 03 Amps Standby 11 5 Amps Running 40 amps starting Electrical connections require separat...

Страница 27: ...we will invoice you for the inspection and freight charge if unit is to be returned LOANER UNITS Loaner units are available from the repair center to maintain your system while repairs are being performed If you feel you need a loaner please contact us at 817 864 4150 A P O for the full value of the unit must be issued prior to shipment Also contact us when the loaner is ready to be returned so th...

Страница 28: ...A XXXXXXX on outside of the box Address the box to the following Ship To Address CommScope PRESSURIZATION SERVICE CENTER RMA XXXXXXX 11312 S PIPELINE RD EULESS TX 76040 6629 Please note Units received with Biological animal contamination will be returned unrepaired or scraped after notification and you will be invoiced for inspection and freight CONTACT NUMBERS If you have any questions about the ...

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