Ingersoll-Rand R Series Installation, Operation & Maintenance Manual

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REFRIGERATED AIR DRYERS

R Series VCD Dryer

INSTALLATION, OPERATION &

MAINTENANCE MANUAL

Service Department

1-800-526-3615

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REV:1203 StarWatch ID:

SPECIFICATIONS

Seria l No. Model

ITEM DESCRIPTION VALUE UNIT

1 -------------------Dryer Des ign Max Air Flow @ PSI SCFM/PSI Comments: 2 --------------------------------Dryer Design Max Air PSI PSI 3

-----------------Dryer Design Max Inlet Temperature °F

-----------------------------------------------Supply Voltage VOLT CHARGE: LBS.

4 5 -------------------------------------------------------------Cyc le HZ 6 ------------------------------------------------------------Phase PH 7

----------------------------------Number of Compressors ELEMENT:

8 9

--------------------------------Compres sor Hors e Power HP

10 --------------------------------------------------------------RLA AMPS

--------------------------------(copper) THHN Wire Size AWG #

11 11 ------------------------------Fuse / Circ uit Breaker Size AMP

------------------------------------------Nema Starter Size #

12 13 --------------------------------------------------------Overload AMPS

REFRIGERANT

REPLACEMENT

-------------------------------------------Crankcase Heate

-------------------------------Crankcase Heater Voltage VOLT

----------------------------------------------Number of Fans

16 17 -----------------------------------Fan Motor Horse Powe 18 -----------------------------------------------Max Amp Dra

--------------------------------(copper) THHN Wire Size AW G #

------------------------------------------------------Fuse Size AMP

--------(enter n/a if not used) Nema Starter Size #

---------------------------------------------Overload Setting AMPS

----------Water Condenser Max Inlet Temperature °F

--------Water Condenser Minimum Inlet Pressure PSI

-------------------------Control Transformer VA Rating VA

----------------Control Trans former Primary Voltage VOLT

WATTS

HP AMPS

26 -------------Control Trans former Primary Fuse Size AMP Electrical Dwg No.'s 27

------------Control Trans former Secondary Voltage VOLTS

--------Control Trans former Secondary Fus e Size AMP

-----------------------------Refrigerant Low PSI Setting PSI

----------------------------Refrigerant High PSI Setting PSI

-------------------------------Fan Bank #1 PSI Settings ON / OFF

-------------------------------Fan Bank #2 PSI Settings ON / OFF

-------------------------------Refrigerant Oil PSI Setting PSI

Control Center SN: Rev. V

Processed By: , Date:

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TABLE OF CONTENTS

Page

1. Pre-Installation.................... 4

• Inspection, Handling and Setup

• Cautions and Operating Warnings

2. Dryer Installation................. 4

• Location of Dryer

• Air line Plumbing

• Water Line Piping (Water Cooled Units)

• Electrical Connections

3. Principle of Operation.......... 4-5

• Air System

• Refrigeration System

• Operation

4. Flow Schematics ............... 6-9

5. Routine Maintenance

and Service.......................... 10

6. For The Refrigeration

Service Technician.............. 10-11

• Refrigerant, Oil and Dryers

• Evaporator Leaks

• Refrigerant Control Valves

• Drains

• Electronic Controls

• Factory Assistance

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7. Trouble Shooting Guide....... 12-13

8. Warranty.............................. 14-15

• Warranty procedure

• Maintenance records

• Coverage

• Standard Warranty

• Heat Exchanger Warranty

• Not covered by Standard Warranty

• Chargeable service calls

• Warranty registration

• International Warranty

• Disclaimer

• In conclusion

• Warranty registration card (front & back)

9. Operational Controls...........16 - 36

10. Electricals & Applicable

Drawings.............................37 - 75

• Water Cooled

• Air Cooled

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1. PRE-INSTALLATION

Inspection, Handling and Setup

Inspect the dryer carefully upon arrival and note any damage on the freight bill. File a notice of concealed damage if: (1) there are any dents in the cabinet; (2) the air and drain pipes are not straight; (3) there is any sign of oil on the skid floor. File these claims with the carrier

immediately!

Cautions and Operating Warnings

• Never work on unit under air pressure.

• Never work on unit when power is connected.

• Do not over pressurize unit.

• Install unit in a clean, cool (50º - 85ºF); well lighted location.

• Do not shut unit off at disconnect switch except during servicing. Unit must be turned on and off by the panel switch located on the dryer.

• Do not pass air through the dryer while the dryer is in the “OFF” position.

• Do not operate dryer at abnormal conditions (high flow, high inlet temperature, high ambient, high inlet pressure, etc.)

2. DRYER INSTALLATION

Location of Dryer

Unless supplied for special conditions, the air cooled dryers must be located in an area with an ambient temperature between 50º and 100ºF., and free from explosive and corrosive fumes. High ambient temperatures affect the outlet dew point of the dryer. For every 10ºF of ambient temperature over 100ºF, a decrease of 6% of dryer performance is encountered with air cooled dryers. The unit must not operate in an ambient of over 100ºF. For ambient conditions of over 100ºF, water cooled dryers are suggested and are available upon request.

CAUTION – Three feet of space must be allowed between all open grills and walls or other objects. If the dryer is installed in a confined area, an exhaust system must be provided to avoid excessive recirculation of hot room air.

Air line Plumbing

All connections are made to the outside of the cabinet as follows:

• Air plumbing must be supported independently of the dryer.

• If vibration is present, flexible metal hoses must be installed to prevent it from being transmitted to the dryer.

• Use unions or flange joints.

• Bypass piping around the dryer is recommended for ease in servicing or removal of unit if necessary.

• Direction of flow through the dryer must be observed. A check valve on the outlet of the dryer to prevent back flow and false loading is recommended.

NOTE: Use two wrenches when connecting to dryer piping so as to prevent damage to internal air or water lines.

Water Line Piping (Water Cooled Units)

On water cooled units, install a strainer ahead of the water inlet. Dryers are designed for 85ºF inlet water temperature. Higher water temperature reduces dryer capacity. Minimum water pressure is 25 psi. Maximum water pressure is 105 psi.

Electrical Connections

Before connecting electrical power to the dryer:

• Check for correct voltage and phase at electrical connection box.

• Install a fused disconnect switch near the dryer.

• Connect power to the stripped leads located in the electrical connection box or to main lugs of contactor, whichever is necessary.

(NOTE: All units must be externally grounded to protect against the possibility of severe electrical shock.)

• CAUTION: Wire the dryer separately from the air compressor. The dryer must NOT cycle on and off with the air compressor.

• Phase rotation is only important if the dryer has a 3 phase condenser fan. Fans must PULL air through the condenser coil.

• Crankcase heaters are pre-wired at the factory to the line side of the terminal box or contractor. Heaters must be energized at all times, therefore the main disconnect must be left on except when servicing the dryer.

3. PRINCIPLE OF OPERATION

The VCD REFRIGERATED AIR DRYER is designed to operate automatically and continuously from no load to full load without freeze up.

Air System:

The major air system components are the air to air PRECOOLER / REHEATER, the EVAPORATOR, and the MECHANICAL SEPARATOR.

Hot, wet air enters the inlet of the precooler/reheater where it is cooled by the outgoing air. The air then enters the evaporator where it is cooled by the refrigerant causing the air’s humidity to condense into liquid water.

Next the air travels to the separator. First, the air enters the separator where bulk oil and moisture are removed from the air stream through a combination of centrifugal action and

velocity reduction. After removal from the air stream, all contaminants are ejected from the air system by Demand Control Solenoid Drains.

From the separator, the cold dry air enters the outgoing side of the precooler/reheater where it is reheated by the hot incoming air.

The precooler/reheater serves a triple purpose. By precooling the incoming air, it conserves refrigeration use and by

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reheating the outgoing air, it serves to eliminate sweating of pipes in the plant air system. Most important, it increases the temperature dew point split, preventing moisture from condensing out of the compressed air when the air is expanded.

Refrigeration System

The major components of this system are the COMPRESSOR, the CONDENSER, and the EVAPORATOR. The compressor pumps high pressure, high temperature gas to the condenser. The heat is dissipated through finned tubes with the assistance of motor driven fans. On water cooled units the heat is dissipated through a water filled tube and shell condenser.

During the cooling process, the refrigerant changes from a heat laden vapor to a liquid. This liquid refrigerant flows from the condenser to the filter dryer, and then through the sight glass which indicates refrigerant level. Immediately before the inlet of the evaporator is a thermostatic expansion valve which regulates the refrigerant flow to the evaporator as low pressure cold liquid. The cold refrigerant cools the air in the side of the evaporator. As the low pressure liquid refrigerant absorbs the heat from the air it boils and changes to a vapor. This low pressure, low temperature vapor is then returned to the refrigerant compressor where it is again compressed to a high pressure, high temperature gas, and the refrigeration cycle repeats itself.

VCD Dryers are rated to deliver full capacity (SCFM at 35ºF pressure dew point air) at 100 PSI line pressure, 100ºF. inlet air, in 50º to 100ºF ambient, at 2 to 4 PSI pressure drop. Higher line pressures, up to rated maximum and cooler inlet air increases capacity. Free liquid water, low pressures, higher air temperatures and condensable chemical vapors, decrease capacity. Consult the factory for proper dryer sizing.

5. START UP

NOTE: Please read and understand the entire operation and

maintenance manual prior to starting the dryer. This is a brief start up procedure for those familiar with dryer operation.

CAUTION: There should be no air flow through the dryer before or during start up. It is recommended that the dryer be installed with bypass piping to better service the unit.

DRYER START UP PROCEDURE:

1) Make main electrical connection to dryer and apply power. Refer to dryer name plate or manual to determine correct voltage. Leave power on unit for 8 hours before proceeding.

2) On water cooled units make sure there is proper water pressure and temperature supplied to the water condenser. (Min 25 psi and max 85º F water temperature)

3) Dryers are shipped with

TAGGED refrigeration service valves closed. TAGGED service valves must not be opened until main power is permanently applied. However, ONLY TAGGED service valves must be

opened prior to start up.

• Locate TAGGED service valves.

• Remove protective cap from valve stem. (see figure below)

• Using a refrigeration service wrench or small crescent wrench, turn the valve stem counterclockwise until it stops. Occasionally it may be necessary to retighten the packing nut (clockwise) if a leak is observed. The valve will now be fully open.

• Replace cap.

• In case of refrigeration ball valves, you must turn 90 degrees to open as stated on valve. (See figure below)

4) Locate the compressor service toggle switch. This service switch must be turned on immediately after valves are opened.

· The refrigeration compressor may run briefly and then stop. This process is called pump down. If storage conditions were adverse, the compressor may make a loud metallic hammering noise. If this happens, turn the service switch off and wait half a minute, then turn back on. Repeat this step until the compressor runs smoothly, then stops. Leave the service switch in the ON position.

5) The dryer is now ready to run. Turn the dryer on at the control panel. The digital display should start dropping.

6) With the dryer turned ON from the control panel and cycling several times, you may now introduce compressed air to the dryer. Open the inlet and outlet ISOLATION VALVES. Close the BYPASS VALVE.

7) Check automatic drain for proper operation. Drain should open at regular intervals based on the drain control settings or water level.

8) Restart dryer using this procedure after maintenance, power failure or after prolonged shutdown periods.

CAUTION: Failure to follow the above steps in the order shown MAY result in damage to equipment NOT covered under warranty.

Operating Instructions: Always:

• Turn dryer ON and OFF with control panel button. Keep power to unit during off cycles.

• Start dryer and allow it to cycle several times prior to allowing air flow through the dryer.

• Clean condenser when dirty.

• Keep ambient temperature under 100º F.

• Keep inlet temperature under 100º F.

• Check and clean Y-strainer periodically.

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Never:

• Turn off main power disconnect except when servicing.

• Allow air to flow through the dryer when it is not running.

• Cycle dryer with air compressor

5. ROUTINE MAINTENANCE AND SERVICE

Air Cooled Condenser

Very little routine care is necessary for the VCD Dryer. The most important step for an air cooled dryer is to keep the air cooled condenser clean. The air is being taken in across the condenser. Dirt from the ambient air will accumulate on the finned tubes of the condenser coil. As the dirt will accumulate on the rear of the condenser, blowing from the inside out is most effective. In dusty areas the simple, inexpensive installation of a furnace filter will stop the majority of dirt entering the dryer’s condenser. This should be changed when visibly dirty. If the condenser does become dirty, an abnormally high refrigeration discharge pressure will occur. The unit may shut down on high dew point or high pressure. This will greatly reduce the life of the refrigeration compressor and could void the warranty.

Separator/Coalescer Drains

Drains should be checked regularly. Failure of an automatic drain can result in extreme amounts of water and debris in your air system.

6. FOR THE REFRIGERATION SERVICE TECHNICIAN

IR recommends that only qualified and experienced refrigeration mechanics do repair work on these units. This section is a list of hints and instructions for the skilled serviceman.

Recharging Dryer – Refrigerant, Oil and Dryers

Consult the IR Service Department for the required charge needed for each unit. The relatively large charges are needed because of the flooded-shell evaporators. Use the following to assess the adequacy of the charge when unsure:

• The sight-glass should stay filled most of the time when the dryer has its customary air load. It is normal for the glass to break up when the condenser fan starts if the load is light or when the unit unloads. It may take time to refill when it reloads. Don’t charge to clear the glass with no load; that will be too much.

• All units have a charging fitting on the evaporator shell. The unit must be charged through this fitting and/or the liquid line service valve. The best way is to dump liquid into both ports with the dryer off, then start up and continue feeding a full stream of liquid into the evaporator until charged.

Do not charge vapor. You want the charge installed as fast as possible so the oil will be returned to the compressor as in normal operation.

Additional oil is added at the factory to compensate for the migration with the freon. If a compressor is replaced, remove the drain plug from the evaporator shell (on steel shells) to drain any excess oil trapped. If that isn’t possible, it may be necessary to remove oil from the system after start-up. Excess oil is indicated by noisy and vibrating compressor operation. Consult factory for recommended oil changes. Prolonged operation with insufficient charge or a bad TXV may cause oil to be trapped in the evaporator. If the compressor is still good, this oil will return within a few minutes of operation with the correct conditions. For R-404 & R-134 applications use synthetic refrigeration oil.

Please replace both suction and liquid filter-dryers together whenever the system has been exposed to air or water, unless it’s brand new or you know how much gas has gone through it. Solids will be caught in the suction drier even if the system is dry.

Evaporator Leaks

If there is a leak between the tube and shell side of the evaporator, the usual symptom is high head pressure, because the air pressure is higher than the refrigerant pressure.

To determine this, bypass airflow, stop dryer, and observe head pressure after it stabilizes. 20 minutes is sufficient. If the pressure is much higher than that corresponding to the ambient temperature, there is air in the system. Purge air at compressor discharge or receiver inlet to verify.

Gross leak-checking of the evaporator is done at the separator drain with air pressure off and at least an hour wait. If a leak is verified, it can often be fixed by removing the bonnets, locating the leak with bubble soap and rerolling the leaky tubes. Split evaporator tubes can be plugged with special tapered brass plugs.

WARNING: If the refrigerant has been seriously contaminated with water you probably won’t be able to dry it with dryers or vacuum. Do a solvent cleanup on the evaporator and suction accumulator or replace the evaporator.

Refrigerant Control Valves Expansion valves: The superheat (+15º F) that the valve

control’s is created in the control evaporator or suction line heat exchanger. There is liquid or zero superheat at the main evaporator outlet to facilitate oil return and keep the shell flooded. If there is superheat at the main evaporator outlet or if the suction line to the compressor is warm to the hand, 1) check the charge. If the sight-glass is full, 2) the TXV may be defective or the liquid line is blocked. The TXV superheat adjustment is not critical.

IR uses standard type valves.

• Don’t use any TCLE Alco valves. TCLE valves are too slow.

• Use cross-ambient “C” or liquid “L” charges. Do not use any pressure limiting or all-purpose “W” charges.

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• We recommend that you increase the superheat setting of the new valve about 5º F from the factory setting. Turning the stem 2 turns in should be sufficient.

• Position the sensing bulb of the new valve just where the old one was. It is crucial that the suction line be clean and the bulb well insulated.

Solenoid Valves: The suction solenoid valve rarely causes any trouble because the pressure difference across it is never great. Unloader solenoids operate with greater differentials. The VCD Dryer uses valves with a rated life of more than two million operations. When they finally wear out, the usual symptom is failure to close. The valves can usually be restored by installing a diaphragm repair kit available from IR.

Drains

The draining of water from the separator is the most crucial part of the whole process. A complaint of “there’s more water in the air now than there was before the dryer was installed” is usually a drain problem.

The VCD Dryer has a demand operated drain. Operate the drain manually and be sure that air blows out of the drain line. Clean the strainer and solenoid valve if not.

The MRD demand Drain has a SINGLE point hermetically sealed float switch. This extremely simple mechanism resists fouling and wear.

2) Water freezes in the evaporator causing air pressure drop.

3) There is erratic or out-of-range indication of dew point. This is controller or sensor trouble. Consult factory for details

4) Dryer won’t restart after you stopped it for a test. This is normal if you stopped when it was below setpoint. It will restart when the dew point temperature comes above the controller setting.

Factory Assistance

Please do not hesitate to call the Ingersoll-Rand factory for technical information and assistance. We have skilled troubleshooting and engineering personnel who are thoroughly familiar with the equipment. A short call may save a long troubleshooting experience. Call 1-800-526-3615.

Instructions for Ordering Parts

All parts orders should be placed with your local IngersollRand Service provider.

When ordering parts specify dryer model and serial number (See nameplate on unit). Please call 1-800-526-3615.

Normally a single point drain will not work because the switch would be constantly short cycling on/off and the solenoid or switch would fail, —but the MRD Solved the problem with timed electronic delay that allows the drain to empty the vessel without loss of Compressed air.

Caution – Warning: remove all pressure before servicing

drain. Remove all air pressure and disconnect electrical power from the drain

The MRD is easily disassembled for cleaning by removing the four main bolts.

Yearly (or sooner) disassemble and clean vessel.

After disassembly be sure the float switch is mounted in the same position (check arrow on float)

The dew point temperature is sensed by a sensing probe inserted in one of the evaporator tubes. When air passes over the probe, the air temperature controls the dew point normally. When there is little or no air flow, the controller sees the evaporator temperature and is able to prevent it from going below freezing.

A malfunction of the control system can be suspected if:

1) Suction pressure is very low even when controller reads over the set point or unit appears to be pumped down and stopped when it shouldn’t be.

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7. Trouble Shooting Guide

COMPRESSOR WILL NOT START. NO HUM:

• Line disconnect switch open. Close switch.

• Fuse removed or blown. Replace fuse.

• Overload tripped. Wait 5 to 20 minutes to reset. Check ambient and inlet air temperatures, operating pressure and air flow rates against rated capacities listed, to determine cause of overload.

• Loose or improper wiring. Check connections against schematic. Tighten loose connections.

• Safety controls tripped (oil, temperature, refrigerant). Test controls for malfunction by jumpering. Look for reason device tripped (high head, low suction, oil loss). Correct any malfunctions such as dirty condenser, high ambient, overloads. Replace faulty controls.

• Starter coils open or contact burnt. Replace coils and/or contacts.

COMPRESSOR WILL NOT START, HUMS, (Trips overload protector.)

• Loose or improper wiring

• Low line voltage, 10% of nameplate rating. Check line voltage with voltmeter. Correct condition.

• Start winding open or shorted. Check with ohmmeter, referring to motor schematic for correct value. Replace motor.

• Open or unbalanced phase ( 3 phase units). Check phases for equal voltages (+/- 10%).

• Relay or contactor not closing. Examine contacts and coils for burning, opens, shorts or sticking. Correct conditions.

• Compressor internal mechanical failure. Loss of oil may have locked up compressor. If above steps do not apply, this may be the cause. Replace compressor.

UNIT SHORT-CYCLES:

LOW OR NO OUTLET AIR PRESSURE:

• Motor overload cutting out. Check for high head pressure air overload, high ambient clogged condenser.

• Defective overload protectors. Check currents. Replace if necessary.

• Low voltage or 3 phase unbalance. Voltages must be within 10% on nameplate rating. Correct off specification conditions.

• Refrigerant shortage. Check for leaks. Repair and recharge.

• Low suction pressure or sticking expansion valve. Check valve setting and operation. Adjust, repair or replace.

• Shorted motor winding.

• Incorrect or restricted piping. Look for restrictions in lines or too small pipe sizes. Replace piping if needed.

• Evaporator and/or precooler clogged. If clogged, reverse flow and flush with mild detergent. Evaporator frozen. Turn unit off to thaw.

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WATER DOWNSTREAM OF DRYER:

• Test drain. Check the output for power from relay marked “drain” on

• Check for blockage in drain line.

• Clean “Y” strainer

DRAIN STAYS OPEN ALL THE TIME (DRAIN ALARM)

• Check the valve for debris. Clean if required.

• Check float switch. Dirty or defective.

• Check board. Relay stuck or defective.

control board. If no output, then replace board. If power is present check wiring to solenoid and status of coil. If energized and valve is not open clean valve or replace if needed.

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INSTRUCTIONS FOR ORDERING REPAIR PARTS

When ordering parts, specify dryer model and serial number. (See name plate of the unit). All orders for parts should be placed with your local Ingersoll-Rand Service Provider. Should you not know the dealer in your area, contact IR at (800) 526-3615.

8. IR WARRANTY

The IR Warranty Philosophy…..

Warranty can be defined as a protection of investment. Warranty policies can come in all different shapes and sizes, however, the most important attribute to a successful policy is its fairness to all parties involved. This brings us to the explanation of components that make up the IR Warranty Philosophy.

Warranty Procedure

IR believes in giving the most expedient service possible to our customers. In order to accomplish this the most important step for our customer is to call us (1-800-526-

3615) immediately in the event of a potential warranty situation. The phone call serves several purposes:

• It puts the customer in direct communication with the factory assures them of factory support.

• It helps us to diagnose the problem and perhaps remedy it over the phone. This saves everyone time. In most cases we can determine the root cause of the failure through a simple phone call.

• It helps us to assess any parts that may be needed for repair. This eliminates time and travel by a service company making one trip with parts in hand.

• It helps us to determine situations non related to the dryer. After the phone call has been placed, and if service is necessary, we will authorize a service house in close proximity to the customer.

It is important when a call is placed to us for a potential warranty situation, that the following information be provided:

• Model and serial number.

• Start-up date.

• Company name.

• Dryer location

• Phone number

• Contact Person

• Specific nature of complaint (Diagnostic code, high dew point, etc..)

Important: IR reserves the right to deny any claim submitted without our knowledge and proper authorization.

Warranty Parts and Returns…

In the event a part is required to complete a warranty repair the following steps will occur:

1. A standard parts order must be placed with our service department (1-800-526-3615) along with a purchase order number.

2. The customer that placed the order will receive an invoice for the part. This is for memo billing only. The invoice will also contain a Return Authorization Number (RMA)

3. After the part has been replaced, the defective part that was removed must be returned to us. The RMA must accompany the returning part.

4. Upon receipt of the defective part we will issue a credit against the original invoice.

5. If the part is not returned within 30 days the invoice will stand open and chargeable.

Maintenance Records

It is recommended that detailed performance and regular maintenance records are kept.

Detailed records are very valuable in troubleshooting & diagnosing issues.

Coverage

Our refrigerated dryers are equipped with a two (2) year parts & labor warranty. The heat exchangers are covered by five (5) year warranty.

Our dryers are to be free from defects in material and workmanship (under proper use, installation and maintenance) for the stated period of two years from the date of start-up or 30 months from the date of shipment which ever occurs first.

The heat exchanger warranty covers the first 60 months of operation or 66 months from date of shipment

What is Not Covered by “Standard Warranty” for all Dryer Lines

• Damage caused by accidents

• Damage caused by fire, theft, freezing, vandalism

• Damage caused by operation outside the rating conditions

• Operation of the dryer in ambient temperature in excess of 100ºF

• Operation of the dryer with inlet air temperatures in excess of 100ºF

• Operation of the dryer in excess of rated SCFM

• Operation of the dryer in excess of rated PSIG (unless specifically rated for abnormal conditions)

• Damage caused by corrosion due to environment and/ or chemical treatments

• Damage caused by lack of maintenance

• Damage caused by failure to follow requirements of the maintenance schedule is not covered. Proof of proper maintenance is the owner’s responsibility. Keep all records and make them available if questions arise about maintenance.

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• Freight Damage – Freight damage is not covered under warranty. Should your dryer incur freight damage, file a claim with the carrier immediately. At the option of the claimant, you may contact a local contractor to do a thorough investigation and repair the damaged dryer. You may also return the dryer to IR, freight prepaid. The factory will perform the repairs chargeable to the original consignee. The customer would then include these costs on their claim.

• Dryer Alteration by Distributor or End User – This warranty does not cover alteration of the dryer or failure of dryer components caused by such alterations.

• Economic Loss – This warranty does not cover any economic loss, extra expense including payment for the loss of time, pay, inconvenience, storage, loss of dryer use, dryer rental expense, lodging, meals, or other travel costs.

• Maintenance – Performing normal maintenance services as detailed in the maintenance schedule are not covered and are at the customers expense including cleaning condenser, drains and filters.

Chargeable Service Calls

IR reserves the right to decline any warranty claim, with or without proper authorization, in which non-warrantable condition was found. In the event this occurs, the customer should be billed for the call as standard service.

In Conclusion

Our philosophy is clear. We will stand behind it and uphold the most professional and expedient service to our distributors and ultimately our customers. We are always reviewing our warranty policy. We feel our policy is as good as any in the industry. If you feel another manufacturers warranty policy, as a whole, is better, submit the manufacturers literature and we will consider its qualities in our next policy review.

Thank you for choosing an IR product !!

Warranty Registration

Each dryer comes with a service manual. In the last pages of this manual there will be a warranty registration card. The card must be filled out and returned to us within 30 days of start-up, to receive warranty.

International Warranty

Our policies cover equipment within the United States and Canada. Any units shipped to or sold outside of the United States or Canada will carry a two year, parts only warranty.

The IR Disclaimer

IR makes no other warranty of any kind whatsoever, expressed or implied and all warranties of merchantability and fitness for a particular purpose are hereby disclaimed by IR. IR shall in no case be subject to any obligation or liability whatsoever with respect to product or services manufactured or furnished by IR or any acts of omission relating thereto. The remedy provided under this warranty shall be the sole, exclusive, and only remedy provided available to the purchaser. Under no circumstances shall IR be liable for any special, indirect, incidental or consequential damage, losses or delays however caused.

IR reserves the right to make changes in dryers built and/ or sold by them at any time without incurring any obligation to make the same or similar changes on dryers previously built and/or sold by them.

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CONTROL PANEL

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DISPLAYS and ALARMS

1) DEW POINT CONTROLLER AND DISPLAY. Directly controls dew point and provides constant digital display of dew point. Factory set at 36ºF. During ACTUAL display mode, displays the dew point temperature from 20º to 99º F or -6º to 37º C. During DP SET mode, the unit displays dew point set points from 34º to 50ºF in 1º steps, or 1º to 10ºC in 1/2 steps. (Note that the ones digit decimal point is used to indicate 1/2º when displaying set point in Celsius scale.) ºC LED- indicates that the temperature is displayed in Celsius. ºF LED – indicates that the temperature is displayed in Fahrenheit. ACTUAL LED – indicates the display is in ACTUAL mode. Display shows actual temperature being measured by system. DP SET LED - Indicates that the display is in programming mode during which the set point can be changed and stored. The dew point display also displays the unit error codes when they occur. (see Diagnostic codes)

2) ON/OFF BUTTON .LED - Indicates when the unit is operating.

3) RAISE and LOWER BUTTONS. These are used to adjust the set point values. The set point will change once for each time pressed. If the button is pressed and held, the set point will change one step per second.

4) SET BUTTON. Toggles between Actual Display mode and Set point Display mode. During the Set point Display mode, the Raise and Lower keys are used to select new set points which are stored in nonvolatile memory when the mode is set back to ACTUAL. If no keys are pressed within 15 seconds, the mode is automatically set to “ACTUAL”. This switch is also used to select the temperature scale that the unit will operate in. By pressing and holding for 5 seconds the unit will toggle between the Fahrenheit and Celsius scale.

5) HIDDEN BUTTON. Positioned in the bottom center of the Dew Point window between the MODE keys. When pressed, the display will show the external suction temperature at the expansion bulb. It has no further effect on operation. It may also be used for other diagnostics and factory test purposes

6) POWER SAVER ACTIVE LED. Unit in mode of minimal power consumption.

7) HIGH DEW POINT ALARM LED. Indicates that the unit is in the High Dew Point condition. The high dew point alarm light, with remote dry contacts, will activate when the actual dew point is 15º F higher than the dew point set point. Any diagnostic code will activate the high dew point alarm immediately.

8) DRAIN CONTROL. Will operate by either a ‘LEVEL FLOAT’ or ‘TIMED’ interval. If the dryer is equipped with a Level Float (electrical connections to terminal J9), the drain will respond to the float signal on demand to operate the drain. The duration that the drain valve is open, will be the amount of time it takes for the fluid level to drop and reset the float signal, plus, a pre-set time of a few seconds thereafter. The drain valve will also operate automatically once every 30 minutes (independent to the float signal). The 30 minute timed interval setting can be adjusted down to 1 minute or raised up to 60 minutes if desired. To adjust the drain ‘Timed Interval’ setting, press the SET button twice (note that the Actual and DP Set LED’s will both extinguish). The value indicated in the display will be the Timed Interval setting. Use the UP or DOWN arrow to the desired timing set point. Pressing the SET button again will return the display to reading the dew point and the ‘Actual’ LED will once again illuminate.

9-10) AIR INLET and AIR OUTLET PSI GAUGES.

Indicates that unit is pressurized. Unit must be depressurized and bypassed before any service work is done on air system. Excessive pressure drop (more than 5 PSIG) across dryer indicates water may be freezing in the evaporator.

EXTERNAL SENSORS, CONTROLS and RELAYS

DRAIN RELAY (K1) – This onboard relay opens the drain valve according to drain controls.

SUCTION RELAY (K2) – This onboard relay turns on according to the mode and dew point conditions and opens the suction or liquid line valve when active.

UNLOADER RELAY (K3) – not applicable.

COMPRESSOR RELAY (K4) – This onboard relay

controls the compressor according to the mode and dew point conditions.

HIGH DEW POINT RELAY (K5) – This onboard relay and LED alarm turns on when the dew point is 15º F above the set point. This is also active during any error conditions.

DEW POINT SENSOR (Probe 1) – Resistive NTC sensor for measuring dew point temperature.

SUCTION TEMPERATURE SENSOR (Probe 2) – Resistive NTC sensor for measuring external suction temperature at the expansion bulb (E3 Probe).

Page 18

Optional Electronic Panel

MANUAL

Page 19

PREFACE:

This document is intended to make familiar, the Control Center functionality. The ‘manual’, can serve as a handy guide to quickly move through the operations of the dryer it is controlling. It is not intended to replace the more comprehensive, specific ‘dryer manual’ that will show all other aspects of operation and safety. It is IMPORTANT that both manuals be referenced for complete dryer understanding.

MENU TREE

a. STARTUP NULL SCREEN------------------------------------------------------------------------------------ [ 20 ]

• VCD - VARIABLE SPEED DRYER

-------------- PRE-STARTUP

--------------------- STARTUP

--------- CHANGE MODES

b. MAIN SCREEN --------------------------------------------------------------------------------------------------- [ 20 ]

• DISPLAY ORIENTATION

• TYPICAL SCREEN DISPLAYS

c. EVENTS ------------------------------------------------------------------------------------------------------------- [ 21 ]

• EMERGENCY STOP

• STANDBY

• DEWPOINT OPTION (not installed)

• ACTIVE ALARMS

• DEWPOINT ALARM

• NO FLOW

d. REVIEW ALARM LOG (‘J’ Series Menus) ---------------------------------------------------------------- [ 22 ]

e. DISPLAY SENSOR VALUES (‘K’ Series Menus) ------------------------------------------------------ [ 24 ]

• FLOW MONITOR (4-20mA / 1 to 5 volt input)

MAIN MENU

1. DEWPOINT SETTINGS (‘D’ Series Menus) ------------------------------------------------------------------------------------ [ 25 ]

• DEWPOINT SET

2. SETUP MENU (‘E’ Series Menus) -------------------------------------------------------------------------------------------------- [ 25 ]

• COMPANY INFORMATION ----------------------------------------------------------------------------------------------- [ 25 ] PHONE & www MESSAGE

• PRODUCT INFORMATION ------------------------------------------------------------------------------------------------ [ 25 ] TYPE OF DRYER & SN#

FACTORY DEFAULTS GOTO ‘NULL’ STATE CALIBRATION MENU (‘H’ Series Menus)

INLET PRESSURES REHEATER PRESSURE OUTLET PRESSURE DISCHARGE PRESSURE SUCTION PRESSURE ELEMENT DP SETTINGS FLOW RANGE SETTINGS

• DRAINS SETUP MENU (‘I’ Series Menus) ------------------------------------------------------ [ 27 ] #1 DEMAND or TIMED OPERATIONS

#1 INTERVAL (Timed) #1 DURATION #1 AUTOTEST

Page 20

#2 DEMAND or TIMED OPERATIONS #2 INTERVAL (Timed) #2 DURATION #2 AUTOTEST

• COMMUNICATIONS MENU (‘F’ & ‘G’ Series Menus) ----------------------------------------- [ 28 ] ADJUST CLOCK STAR WATCH -Host to Control: YES MODEM SETUP

MODEM ENABLE MODEM TEST MODEM RESET (Reprogram) VIEW MODEM SETTINGS

3. SENSOR SETTINGS (‘C’ Series Menus)----------------------------------------------------------------- [ 28 ]

• P1: LOW INLET PRESSURE

• P1: HIGH INLET PRESSURE

• P2: REHEATER PRESSURE

• P3: OUTLET PRESSURE

• P4: DISCHARGE PRESSURE

• P5: SUCTION PRESSURE

• P6: SEPARATOR DP

• FLOW

4. TEMPERATURE SETTINGS (‘B’ Series Menus) ---------------------------------------------------------[ 29 ]

• T1: DRYER INLET SETPOINT

• T2: PRECOOLER SETPOINT

• T3: DRYER OUTLET SETPOINT

• T4: REFRIGERANT SETPOINT

• T5: SUCTION SETPOINT

• T6: AMBIENT/H2-0 SETPOINT

5. VIEW ALARMS (‘A’ Series Menus) ---------------------------------------------------------------------------[ 29 ]

• HIGH DEWPOINT

• LOW FLOW

• (E1/E2) DEWPOINT PROBE FAULT (OPEN OR SHORT)

• MOTOR OVERLOAD

• (E3) SUPERHEAT OUT OF RANGE

• (E4) LOW DEWPOINT

• (E5) DRYER OVERLOAD

• (E6) LOW FREON OR OIL PRESSURE

• (E7) HIGH FREON PRESSURE

• (WI) LOW AIR-IN PSI

• (W2) HIGH AIR-IN PSI

• (W3) COALESCER PSID

• (W4) HIGH INLET AIR TEMP

• (W5) HIGH AMBIENT / H2-0 TEMP

• (W6) DRAIN FAULT

• MODEM FAULT

Page 21

KEY FUNCTIONS

1. UP ARROW Scroll Menu Up or Increment Value

2. DOWN ARROW Scroll Menu Down or Decrement Value

3. SET Enter Menu Selection, Enter Program Mode or Save to Memory

4. RESET ALARM Back-up Menu Level or Clear ‘Resetable’ Alarm

5. LOAD/UN-LOAD Load/Un-Load Mode Selector

6. THERMAL BANK Thermal Bank Mode Selector

7. AUTO RUN Auto Mode Selector - Automatically Sequences to Demand (#5 or #6)

8. DRAIN TEST Operates Both Drain System for Programmed Duration

9. DISPLAY VALUES Enters Sensor Menus - Indicates Current Values (Series ‘K’ Screens)

10.REVIEW ALARM LOG Enters Historical Log of Alarm Event (Series ‘J’ Screens)

Page 22

a. STARTUP NULL SCREEN ------------------------------------------------------------------------------------------------------------------------------

Upon initialization, the display shows the ‘type’ of dryer the Control Center is configured to control.

• VCD - VARIABLE SPEED DRYER INGERSOLL-RAND

VCD

REFRIGE DRYER (R404A)

S/N 00000 V 1.00

This is a fixed configuration. Once assigned to a dryer the Control Center will never be changed to any of the other configurations. Note that the Control Center Serial Number and Firmware Version are also displayed on this null, initialization screen.

PRE-STARTUP

Prior to starting up the dryer,’ the DISPLAY VALUES button may be selected to view groupings of sensors (use the up/down arrows to scroll through the list) Depress the Display Values button a second time, or the Alarm RESET button to return to the Main Screen. Also, all of the other screens and menus can be viewed by using the up/down arrows. Simply position any particular menu choice into view and advance a menu level by depressing the SET button. A return to the Main Screen can be achieved at any time by depressing the Alarm RESET button. These screens may be viewed at any time, and at any state of operation.

The Main Screen will indicate SYSTEM INACTIVE prior to start-up (run mode), when returning to the Main Screen from viewing any of the above Pre-Startup procedures.

SYSTEM INACTIVE

DEWPOINT 65°F

STARTUP

TO START the dryer select any of the three main operating modes by depressing their button.

• AUTO Mode (normal operations) dryer will automatically sequence.

CHANGING MODES

The dryer can change modes of operation by simply depressing the any desired mode button. To return the dryer to an INACTIVE (SYSTEM OFF) state, depress the ‘current mode’ button as is indicated by the Mode Pilot indicator (LED).

b. MAIN SCREEN ------------------------------------------------------------------------------------------------------------------------------------------

DISPLAY ORIENTATION There are several informational indications displayed on the Main Screen. They are

displayed on the four lines of the LCD.

1. The first line is the ‘message’ line. If all is normal, this line will indicate ALL SYSTEMS OK, else it will indicate an alarm; for example, HIGH DEWPOINT. If more than one alarm is active, this message line will ‘scroll’ between any and all messages.

2. The second line is the ‘mode’ line~. This line will indicate the dryers operations:

• SYSTEM INACTIVE,

• EMERGENCY STOP,

• AUTO RUN MODE,

• LOAD/UNLOAD MODE,

• THERMAL BANK MODE,

• SYSTEM OFF, and

• ALARM SHUT DOWN

3. The third line is the ‘process’ line. INITIALIZING, POWERSAVE ACTIVE or may be blank for all other normal operations.

4. The forth line is dedicated to the current DEWPOINT value.

Page 23

TYPICAL SCREEN DISPLAYS ------------------------------------------------------------------------------------------------------------

Below are a sampling of typical display screens; showing some of the possible system operations.

ALL SYSTEMS OK

AUTO RUN MODE

POWERSAVE ACTIVE

DEWPOINT 34°F

MOTOR OVERLOAD

ALARM SHUT DOWN

DEWPOINT 39°F

ALL SYSTEMS OK

LOAD/UNLOAD MODE

DEWPOINT 35°F

ALL SYSTEMS OK

SYSTEM OFF

DEWPOINT 65°F

STARWATCH ACTIVE

AUTO RUN MODE

DEWPOINT 33°F

c. EVENT -----------------------------------------------------------------------------------------------------------------------------------------------

EMERGENCY STOP -------------------------------------------------------------------------------------------

At any time the dryer’s E-STOP pushbutton is depressed, the dryer will immediately ‘stop’ operations (all output will be de-energized except for COMMON ALARM dry output relay and the MODEM relay). To restart the dryer, the flashing mode (AUTO RUN, LOAD/ UNLOAD or THERMAL BANK) selector must be re-selected. Note - the E-STOP pushbutton must be rotated and pulled ‘out’ to its normal position before the re-start can be invoked.

ACTIVE ALARMS

EMERGENCY STOP!

DEWPOINT 35ºF

ALARM SHUT DOWN

When a ‘shut-down’ alarm occurs, the dryer will ‘stop’ operating and will require a Manual Reset (see VIEW ALARMS section). Once the alarm has been reset and if the alarm condition has been cleared, the system may be re-started. The current mode LED will be flashing. When the mode selector button is depressed, the system will restart and the LED will stop flashing and remain illuminated.

LOW REFRIDGERANT/OIL PSI

ALARM SHUT DOWN

DEWPOINT 35 F

Page 24

_______________________________________________________________________________________________________

IMPORTANT:

___________________________________________________________________________________

All screens from section (d.) forward to the end of this manual are indicated with an alphanumeric indication in the upper left corner of the display as a screen ID. The CONTROL CENTER will display these ID’s as any given screen is selected within the menu tree. Please make note of any particular screen ID when communicating with Ingersoll-Rand Service Providers, which may be in question.

d. REVIEW ALARM LOG ------------------------------------------------------------------------------------------------------------------------

When the Review Alarm Log pushbutton is depressed, the ‘1’ series screens will be displayed. Each ‘1’ screen shows the status of a possible alarm. The UP/DOWN arrow will allow scrolling through 16 different alarm conditions. The number appearing next the ‘DAYS SINCE LAST’, indicated the last time that the alarms condition has occurred. A zero (0) indicates the current date. For example, 365 would indicate exactly one year since the occurrence of any particular alarm. If ‘—’ is indicated, that means the selected alarm has never happened.

When an alarm is tripped, the ‘COMMON ALARM RELAY’ (K16) will energize if the ‘ALARM OUT’ is ENABLED. There is a form ‘c’ dry contact available for the user on K16 (see schematic). To ‘DISABLE’ the ALARM OUT from energizing the Common Alarm relay, use the SET and UP/DOWN arrow buttons. All alarms are factory default to ‘ENABLED’. The user can program any one, any combination, or all alarms to activate the Common Alarm relay.

J1 ALARM LOG

HIGH DEWPOINT

DAYS SINCE LAST: 1

ALARM OUT: ENABLED

J2 ALARM LOG

LOW FLOW

DAYS SINCE LAST: 25

ALARM OUT: ENABLED

J3 ALARM LOG

DP PROBE FAULT DAYS SINCE LAST: 365 ALARM OUT: ENABLED

J4 ALARM LOG

MOTOR FAULT

DAYS SINCE LAST: - - -

ALARM OUT: ENABLED

J5 ALARM LOG

E3: HI SUPERHEAT ºF

DAYS SINCE LAST: - - -

ALARM OUT: ENABLED

J6 ALARM LOG

E4: LOW DEWPNT/PUMP DOWN

DAYS SINCE LAST: 0

ALARM OUT: ENABLED

J7 ALARM LOG

E5: DRYER OVERLOAD

DAYS SINCE LAST: - - -

ALARM OUT: ENABLED

Page 25

LOW REFRIGERANT/OIL PRESSURE

HIGH REFRIGERANT PRESSURE

J8 ALARM LOG

E6: LOW PRESSURE

DAYS SINCE LAST: 0

ALARM OUT: ENABLED

J9 ALARM LOG

E7: HIGH PRESSURE DAYS SINCE LAST: - - ALARM OUT: ENABLED

JI0 ALARM LOG

W1: LOW AIR-IN PSI

DAYS SINCE LAST: 54

ALARM OUT: ENABLED

J11 ALARM LOG

W2: HIGH AIR-IN PSI DAYS SINCE LAST: - - ALARM OUT: ENABLED

COALESCER ELEMENT DIFFERENTIAL PRESSURE

J12 ALARM LOG

W3: CHANGE FILTER

DAYS SINCE LAST: —

ALARM OUT: ENABLED

J13 ALARM LOG

W4: HIGH AIR-IN ºF

DAYS SINCE LAST: —

ALARM OUT: ENABLED

J14 ALARM LOG

W5: HIGH AMBIENT/H2-0

DAYS SINCE LAST: —

ALARM OUT: ENABLED

J15 ALARM LOG

E9: DRAIN FAULT

DAYS SINCE LAST: —

ALARM OUT: ENABLED

J16 ALARM LOG

MODEM FAULT

DAYS SINCE LAST: 1 ALARM OUT: ENABLED

Page 26

e. DISPLAY SENSOR VALUES ------------------------------------------------------------------------------------------------------------------------------

The DISPLAY VALUE pushbutton is a quick way to view groupings of sensor values. The UP/DOWN arrows will scroll through the 7 possible groups of the ‘K’ series screens.

Kl: Superheat ºF 12 T4: Refrig ºF 130 P4: Discharge psi 100 P5: Suction psi 96

K2: Superheat ºF 12 T5: Suction ºF 100 P5: Suction PSI 100

K3: Dewpoint ºF 33 Tl: Inlet ºF 100 PI: Inlet psi 100 T6: Ambient/H2-0 of 54

K4: Inlet psi 100 P1: Inlet psi 100 P3: Outlet psi 100 P6: Filter Element OK

K8 = RMV Screen (Relative Measurement Values)

FLOW METER-

All Control Center’s come standard with flow sensor input capabilities. Simply ’hook- up’ a 4-20mA loop, or, a 1 to 5 volt signal to the appropriate flow input (see schematic/wiring diagram) and activate the FLOW ENABLE in the SETUP screens. The loop may be powered by the Control Center or powered externally. The FLOW measurement is displayed in the ‘K6’ screen only if enabled. Refer to schematic for configuring panel to ‘current/voltage’ and wiring. Call Ingersoll-Rand Service Support for details or questions.

K5 Tl: Inlet ºF 100 T3: Outlet ºF 90

K6 T6: Ambient/H2O ºF67 P4: Discharge psi 250

K7 Tl: Inlet ºF 100

T3: Outlet ºF 90 PI: Inlet psi 100 P3: Outlet psi 98

K8 Power 10.4 Kw

Current 12.4 A Speed 1300 RPM Frequency 45 Hz

Page 27

1. DEW POINT MENU ---------------------------------------------------------------------------------------------------------------------------------------

DEWPOINT

Press SET to select

DEWPOINT - The dryer will attempt to deliver a dew point relative to the DEWPOINT SET POINT value. The range can for this setting can be selected between

34ºF to 50°F. When the dew point indicated the set point value or less, the panel LCD display will give a message: POWERSAVE ACTIVE

D1 DEWPOINT

Value: 36°F

Set point. 34ºF

2. SETUP MENU ----------------------------------------------------------------------------------------------------------------------------------

Screen series ‘E’, ‘F’, ‘G’, ‘R’ and ‘I’ are within the set-up selections.

SYSTEM - E & H SERIES SCREENS

SETUP

Press SET to select

E1 COMPANY

INFORMATION

Press SET to select

E1 Ingersoll-Rand

(1-800-526-3615)

E2 PRODUCT

INFORMATION

Press SET to select

E2 VCD - Variable Speed

AIR DRYER Serial # 00000 Firmware Rev. 1.00

______________________________________________________________________________________________________

FACTORY DEFAULTS - To set all parameters to there factory setting, depress the SET pushbutton when in the ‘E7’ screen. IMPORTANT: Make sure that all calibrations are set to currently installed ranges of the sensor transducers. For example, if in servicing the dryer and there was a replacement of a pressure transducer with a range of 0 to 250 (instead of the factory installed transducer with a range of 0 to 200), then the Factory Defaults will need to be re-adjusted for that particular channel (see CALIBRATION MENU).

Page 28

E4 DRAIN SETUP

Press SET to select

I1 DRAIN 1 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

I2 DRAIN 1 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

I3 DRAIN 1 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

I4 DRAIN 1 On Delay: 0:05 m:s AutoTest: 12:00 h:m

I5 DRAIN 1 On Delay: 0:05 m:s AutoTest: 12:00 h:m

I6 DRAIN 2 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

I7 DRAIN 2 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

I8 DRAIN 2 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

I9 DRAIN 2 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

I10 DRAIN 2 Type: DEMAND Interval: 10:00 m:s Duration: 2 sec

Page 29

CAUTION!

The Factory Default will change all process values and set points back to their original factory settings. PROCEED WITH CAUTION...

E7 RESET SETTINGS TO FACTORY DEFAULTS PROCEED WITH CAUTION Press SET to select

______________________________________________________________________________________________________

NULL STATE - When the Null State is selected, all operations will cease. The dryer display will go to one of the three possible initialization screens as shown in section 1.0 (see STARTUP NULL SCREEN).

CAUTION!

The ‘Reset Unit to Null State’ will immediately stop all operations and display the initializations screen.

PROCEED WITH CAUTION........

E6 RESET UNIT

TO NULL STATE PROCEED WITH CAUTION Press SET to select

There is a Diagnostics Screen that shows general information that will be useful if service is ever necessary to the Control Center panel (NOTE: a ‘.1’ indicates NEVER happened.)

E8 DAY/OPER: 365

Total Resets: 12

Stack Mem: -1

Last Reset: X00X00X00

CALIBRATlON MENU . Each of the transducers in the system have their ranges set in the ‘H’ series screens. It is important that the value indicated in the screens match the maximum range of the transducer span. If while servicing the dryer, and a different ranged transducer is replacing a factory installed transducer, make certain a corrected value for maximum range is entered in the appropriate screen.

E5 CALIBRATION

Press SET to select

HI Inlet Pressure

Value: 100 psi

Offset: 0 psi

Scale: 200 psi

Page 30

H2 Inlet Pres

Value: 100 psi

Offset: 0 psi

Scale: 200 psi

H3 Outlet Pres

Value: 100 psi

Offset: 0 psi

Scale: 200 psi

H4 Outlet Pres

Value: 100 psi

Offset: 0 psi

Scale: 200 psi

H5 Discharge Pres

Value: 300 psi

Offset: 0 psi

Scale: 600 psi

H6 Discharge Pres

Value: 300 psi

Offset: 0 psi

Scale: 600 psi

H7 Suction Pres

Value: 60 psi

Offset: 0 psi

Scale: 600 psi

H8 Suction Pres

Value: 60 psi

Offset: 0 psi

Scale: 600 psi

H9 Flow

Value: 0 scfm

Offset: 0 scfm

Scale: 1000 scfm

H10 Flow

Value: 0 scfm

Offset: 0 scfm

Scale: 1000 scfm

Page 31

SYSTEM DRAINS - E & I SERIES - Each of the two (2) drain controls can be programmed to be either a ‘TIMED’ or ‘DEMAND’ drains.

• If Timed is selected, the drain will activate to the ‘Interval’ time setting for the period of time indicated in the ‘Duration’ time setting.

• If Demand is selected, the drain will operate for the period of time indicated in the ‘Duration’ time setting, when a drain input signal is sensed from the demand drain float. A DRAIN FAULT Alarm can occur if float does not respond as expected. When an fault is detected, the drain solenoid will be ‘pulsed’ for ten minutes in an attempt to clear the faulted drain.

• The ‘Auto Test’ feature will operate the drain for the period of time indicated in the Duration setting at the specified Interval. This feature is intended to prevent sediment buildup by activating the drain periodically and ‘blowing out’ any possible debris.

E4 DRAIN SETUP

Press SET to select

I1 DRAIN 1