SPX FLOW FLEX FLX 1.1 Instruction Manual Download Page 3

INTRODUCTION

Compressed air is generated by compressing atmospheric air 

of which contains moisture and other containments, into high 

pressure air. After compression, the air is not saturated but when 

it is cooled by the aftercooler, the RH remains 100%.
If it travels down the pipe line and cools further, moisture starts 

to condensate into liquid water. Condensate water in the pipe 

line is harmful to the manufacturing process as it causes rust 

or sludge etc.
In order to avoid this problem, the only solution is to dry the 

compressed air with an air dryer. Refrigerated compressed air 

dryers are used as a cost effective and energy efficient solutions 

for eliminating moisture from the compressed air system.
SPX’s discovery of using phase change material (PCM) as a 

component in the refrigerated compressed air dryer to produce 

latent heat has encouraged great energy savings. Through 

latent heat properties, it is able to save up to 99% of energy at 

no load condition. This is indeed a breakthrough in refrigerated 

compressed air dryer technology.

SAFETY

The dryers are designed and built with safety as a prime 

consideration; industry accepted safety factors have been used 

in the design. Each dryer is checked at the factory for safety and 

operation. All necessary adjustments are made before shipment.
Follow the maintenance schedules outlined in this manual for 

good performance and safe operation. 
Only qualified personnel with proper tools should do 

maintenance.

Safety instructions in this manual used to indicate hazard 

seriousness levels are classified as follows:

Immediate hazard which WILL result in severe injury or 

death.

Hazard or unsafe practice which COULD result in severe 

injury or death.

Hazard or unsafe practice which COULD result in minor 

injury or product damage. 

Carefully read the following safety rules before proceed-

ing with installation, operation or maintenance. The rules 

are essential to ensure safe dryer operation. Failure to 

follow these rules may void the warranty or result in dryer 

damage or personal injury.

1. Do not install or try to repair a dryer that has been damaged

in shipment. See Receiving and Inspection for instructions.

2. Compressed air and electricity have the potential to cause

personal injury or equipment damage. Before doing any

work on the dryer, be sure the electrical supply has been

locked and tagged and the internal pressure of the dryer

has been vented to the atmosphere.

3. Do not operate the dryer at pressures or temperatures

above the maximum conditions shown on the data plate.

4. Always supply electrical power that complies with the

voltage shown on the data plate.

5. Do not readjust the dryer without factory authorization.
6. Do not operate the dryer with any dryer cabinet panel

removed.

Cooling air flow across the condenser may be reduced 

if a dryer panel has been removed while the dryer 

is operating, resulting in the dryer not functioning 

properly and/or dryer failure. Failure to follow these 

instructions may result in a non-warrantable dryer 

failure.

  

7. Only a competent refrigeration mechanic works on the

refrigeration system.

8. Use only manufacturer’s genuine replacement parts. The

manufacturer bears no responsibility for hazards caused

by the use of unauthorized parts.

INSTALLATION

Inspect the dryer closely when it is received. Record any 

indication of damage on the delivery receipt, especially if the 

dryer will not be immediately uncrated. Obtain the delivery 

person’s signed agreement to recorded damages to facilitate 

future insurance claims .
Since the dryer is shipped F.O.B. Factory, the manufacturer’s 

responsibility for the shipment ceases when the carrier signs 

the bill of lading.
If goods are received short or in damaged condition, notify the 

carrier and insist on a notation of the loss or damage across 

the face of the freight bill. Otherwise no claim can be enforced 

against the carrier. 
If concealed loss or damage is discovered, notify your carrier 

at once and request an inspection. This is absolutely necessary. 

Unless you do this, the carrier will not consider any claim for 

loss or damage. The carrier will make an inspection and may 

grant a concealed damage notation. If you give the carrier a 

clear receipt for the goods that have been damaged or lost in 

transit, you do so at your own risk and expense.
The manufacturer is willing to assist you in collecting claims for 

loss or damage. Willingness does not make the manufacturer 

responsible for collecting claims or replacing material. Claim 

filing and processing is your responsibility.

Summary of Contents for FLEX FLX 1.1

Page 1: ...mpressed Air Dryers Models FLX 1 1 FLX 1 2 FLX 2 1 FLX 4 1 FLX 4 5 FLX 5 5 FOR M NO 7440062 R EVI S ION 01 2017 R EAD AN D U N D E R STAN D TH I S MAN UAL PR IOR TO OPE RATI NG OR S E RVICI NG TH I S...

Page 2: ...ment Drawings Model FLX 1 1 10 Model FLX 1 2 11 Model FLX 2 1 12 Models FLX 4 1 FLX 4 5 13 Model FLX 5 5 14 Electrical Schematics Models FLX 1 1 FLX 1 2 115V 1PH 60Hz 15 Models FLX 2 1 FLX 4 1 230V 1P...

Page 3: ...2 Compressed air and electricity have the potential to cause personal injury or equipment damage Before doing any work on the dryer be sure the electrical supply has been locked and tagged and the int...

Page 4: ...the dryer data plate and must be in accordance with applicable codes Support all piping do not allow the weight of any piping to stress the dryer or filters Inlet and outlet shutoff valves and bypass...

Page 5: ...fault LED s will flicker alternately Refer to the following table for further information HOW IT WORKS Phase Change Mechanism of the FLEX Dryer 1 When the refrigeration compressor and the condenser fa...

Page 6: ...n refrigerating compressor running time is displayed When the j button is pressed over 10 seconds dryer running time is erased and displayed 0 H timer reset 7 Check the dryer operating status when the...

Page 7: ...and or dryer failure Failure to follow these instructions may result in a non warrantable dryer failure To start dryer IMPORTANT For models FLX 2 1 through FLX 5 5 energize dryer for 24 hours prior to...

Page 8: ...ss drain valve at least once daily See the Field Service Guide for remedies to drain valve malfunctions Monthly Maintenance It is recommended to inspect the condenser coils monthly If necessary remove...

Page 9: ...dew point level is red on LCD window Inlet air temperature too high Reduce aftercooler discharge temperature to design conditions See Engineering Data Tables Excessive airflow Check airflow and syste...

Page 10: ...a plate for refrigerant charge ELECTRICAL DATA MODEL Power Supply Power Consumption kW Refrigerant Voltage Phase Hz FLX 1 1 115 1 60 0 54 R 134a FLX 1 2 115 1 60 0 64 FLX 2 1 230 1 60 1 30 R 407c FLX...

Page 11: ...Refrigerant Compressor Control High Pressure Switch Setting Model Refrigerant Cut Out psig barg Cut In psig FLX 1 1 FLX 1 2 R 134a 304 psig 21 barg Manual Reset FLX 3 1 FLX 4 1 FLX 4 5 FLX 5 5 R 407c...

Page 12: ...D E F G H I J K FLX 1 1 4 69 119 4 97 126 2 8 41 213 5 19 20 487 7 14 27 362 4 29 58 751 2 12 75 324 23 72 602 5 3 39 86 2 15 40 391 2 22 14 562 4 1 NPT 120 54 5 DRIED AIR OUTLET WETTED AIR INLET AIR...

Page 13: ...A B C D E F G H I J K FLX 1 2 3 41 86 5 4 97 126 2 6 75 172 19 25 489 2 14 28 363 28 711 2 12 75 324 30 75 781 3 5 56 141 2 19 28 490 29 19 741 2 1 NPT 147 66 5 AIR FLOW COOLING DRIED AIR OUTLET WETTE...

Page 14: ...C D E F G H I J K FLX 2 1 4 86 123 5 7 86 199 6 3 63 92 24 38 619 2 17 44 443 29 97 761 2 15 91 404 37 85 961 3 3 39 86 2 29 53 750 36 27 921 2 2 NPT 217 98 5 DRIED AIR OUTLET WETTED AIR INLET AIR FLO...

Page 15: ...W REAR VIEW RIGHT SIDE VIEW TOP VIEW H I J K MODEL DIMENSIONS INCHES MM INLET OUTLET CONNECTIONS WEIGHT Lb kg A B C D E F G H I J K FLX 4 1 4 86 123 5 8 58 218 8 34 212 25 56 649 2 19 41 493 35 88 911...

Page 16: ...D A B G H MAIN POWER CABLE DRAIN OUTLET FOOT PRINT FRONT VIEW REAR VIEW RIGHT SIDE VIEW TOP VIEW I J K L MODEL DIMENSIONS INCHES MM INLET OUTLET CONNECTIONS WEIGHT Lb kg A B C D E F G H I J K L FLX 5...

Page 17: ...ON R1 S1 FG S2 R2 COM ON COM RB RA TS1 TS2 DRAIN TRAP1 MC1 8 9 10 8 N1 L1 PCB LEGEND M1 Refrigerant Compressor M2 Fan Motor MC1 Magnetic Contactor CR Running Capacitor CS Starting Capacitor FLX 1 2 ON...

Page 18: ...B RA TS1 TS2 DRAIN TRAP1 MC1 8 9 10 8 N1 L1 PCB TS3 RS232 RS485 RS232 RX GND RS232 TX RS485 GND RS485 LEGEND M1 Refrigerant Compressor M2 Fan Motor MC1 Magnetic Contactor CR Running Capacitor CH Crank...

Page 19: ...RAP1 11 10 9 8 R2 T2 PCB TS3 RS232 RS485 RS232 RX GND RS232 TX RS485 GND RS485 DRAIN TRAP EOCR H P S EOCR OLP MC1 MC2 7 8 9 8 9 32 31 LEGEND MC1 Magnetic Contactor MC2 Magnetic Contactor EOCR Electric...

Page 20: ...ILTER REFRIGERANT COMPRESSOR BRAZED PLATE HEAT EXCHANGER TEMP SENSOR1 TS1 REF PCM AIR WETTED AIR INLET DRIED AIR OUTLET AIR AIR MOISTURE SEPARATOR INTEGRATED DRAIN VALVE DRAIN OUTLET NO LOSS MANUAL VA...

Page 21: ...40053 7440053 7440053 7440053 10 OPTi Eco PCB LCD 7440050 7440050 7440051 7440051 7440051 7440051 11 Temperature Sensor 7440054 7440054 7440055 7440056 7440056 7440056 12 Magnetic Contactor Compressor...

Page 22: ...FLXMK 7461648 FLXMK 7461648 Standard Kit with Mounted Filtration No Loss Drain Valve Repair Kit Drain Cover Prefilter Element Afterfilter Element Filter Drain Valve Repair Kit 2 FLX1 1 FPMK 7461654 FL...

Page 23: ......

Page 24: ...rt THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR STATUTORY AND IS EXPRESSLY IN LIEU OF THE IMPLIED WARRANTY OF MERCHANTABILITY AND THE IMPLIED WARRANT...

Page 25: ...spxflow com www spxflow com hankison Improvements and research are continuous at SPX FLOW Inc Specifications may change without notice ISSUED 01 2017 Form No 7440062 Revision B COPYRIGHT 2017 SPX FLOW...

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