Arrow Pneumatics RH203 Instruction & Maintenance Manual Download Page 3

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1. SAFETY PRECAUTIONS

WARNING

MAINTENANCE OR OPERATING PROCEDURES AND TECHNIQUES
THAT WILL RESULT IN PERSONAL INJURY OR LOSS OF LIFE IF
NOT CAREFULLY FOLLOWED.

CAUTION

MAINTENANCE OR OPERATING PROCEDURES AND TECHNIQUES
THAT WILL RESULT IN DAMAGE TO EQUIPMENT IF NOT
CAREFULLY FOLLOWED.

NOTE

MAINTENANCE OR OPERATING PROCEDURES AND TECHNIQUES
THAT ARE CONSIDERED IMPORTANT ENOUGH TO EMPHASIZE.

Warnings, Cautions, and Notes used in this manual have the following significance:

Summary of Contents for RH203

Page 1: ...1 HEATLESS DESICCANT AIR DRYER INSTRUCTION MAINTENANCE MANUAL MODEL RH203 THROUGH RH224...

Page 2: ...OPERATING THE DRYER IT IS RECOMMENDED THAT THIS MANUAL BE STUDIED AND CLEARLY UNDERSTOOD SECTION TOPIC DESCRIPTION 1 SAFETY PRECAUTIONS 2 INSTALLATION 3 OPERATION 4 MAINTENANCE SYSTEM CHECK 5 PREVENT...

Page 3: ...F NOT CAREFULLY FOLLOWED CAUTION MAINTENANCE OR OPERATING PROCEDURES AND TECHNIQUES THAT WILL RESULT IN DAMAGE TO EQUIPMENT IF NOT CAREFULLY FOLLOWED NOTE MAINTENANCE OR OPERATING PROCEDURES AND TECHN...

Page 4: ...low 32 F Locate dryer to avoid extremes of heat and cold from other conditions Best results occur when dryer is located as close to point of use as practical Where applicable dryer towers should be in...

Page 5: ...s recommended to bypass the dryer Use the fewest elbows and taper connections necessary to keep pressure drop at a minimum D PREFILTERS AFTERFILTERS It is important that a prefilter and an afterfilter...

Page 6: ...IAL START UP CHECK THE DRYER OPERATION FOR ONE OR TWO CYCLES ESPECIALLY AT THE TIME OF THE TOWER SHIFT VERIFY THAT ALL SYSTEMS ARE OPERATING IN THEIR PROPER ORDER AND SEQUENCE IF THE DRYER IS NOT FUNC...

Page 7: ...1 Purge Flow Adjustment Valve 2 Purge Flow Meter Gauge 3 Purge Orifice Located in pipe union The purge flow system is located between the twin towers of the dryer and or above the control box The func...

Page 8: ...IRTY MUFFLER PURGE SYSTEM CAN CAUSE INJURY SHOULD YOU ATTEMPT TO DISASSEMBLY WHILE PRESSURIZED E PURGE FLOW CALCULATION To calculate Purge Air Flow required for your application you must first complet...

Page 9: ...water vapor content of the outlet air from the drying instantaneously to a change in the moisture content of air stream The moisture content of the sample air stream indicates the wetness of the dryin...

Page 10: ...4 TO 6 MONTHS WHILE DESICCANT AGING OCCURS 2 Failure to Shift Alarm FTSA A The Failure to Shift Alarm monitors tower shifting and energize an alarm light on the front panel of the control box should...

Page 11: ...valve leaking Disassemble clean and repack or replace 4 MAINTENANCE AND SYSTEM CHECK B PREFILTERS AND AFTERFILTERS 1 Prefilters The cartridges of the prefilters must be changed as often as required to...

Page 12: ...to bleed off so that no air flow is evident through muffler If muffler is clogged slowly loosen the muffler and allow the air to bleed off 6 Replace muffler 7 Return purge flow adjusting valve to ori...

Page 13: ...eck dryer cycle and sequence of operations i e drying depressurizing regenerating heating and cooling 4 Check tower temperature gauges during third and fourth hour of regeneration cycle D EVERY 3 MONT...

Page 14: ...nt if necessary Desiccant contaminated by oil 1 Install suitable prefilter 2 Replace dryer desiccant Excessive pressure drop in dryer Excessive flow rate 1 Check flow rate 2 Locate cause for increased...

Page 15: ...nd its solenoid valve Refer to earlier steps if pilot air is detected 2 Check depressurization timer circuit Dryer fails to purge Purge valve does not open Purge valve stuck in closed position 1 Check...

Page 16: ...RH208 150 21 2 50 PSIG RH209 200 28 25 50 PSIG RH210 250 35 3 45 PSIG RH211 300 42 37 42 PSIG RH212 350 48 1 50 PSIG RH213 400 56 5 45 PSIG RH214 500 70 6 38 PSIG RH215 650 88 7 35 PSIG RH216 750 105...

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Page 19: ...NK SOLENOID VALVE PURGE LEFT SOENOID VALVE PURGE RIGHT P U S H B U T T O N R E S E T G R O U N D T I M E R P R I N T E D W I R I N G B O A R D S S FU IL RT IL LT SVLT SVRT S V P L S V P R PB G R D T P...

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Page 21: ...5 0 0 N O A K W O O D R O A D L A K EZ U R I C H I L L I N O I S 6 0 0 4 7 8 4 7 4 3 8 9 1 0 0 REGENERATIVEAIRDRYER L A B E L N O 1 2 6 0 0 0 Arrow P U R G EP R E S S U R E L E F TT O W E RP R E S S...

Page 22: ...MBLY 126502 126502 126502 126502 126502 PILOT AIR FILTER 9052 9052 9052 9052 9052 ELEMENT KIT PILOT AIR FILTER EK9052 EK9052 EK9052 EK9052 EK9052 REPLACEMENT DESSICCANT TOTAL ACTIVATED ALUMINA 1 8 BEA...

Page 23: ...EMBLY 126502 126502 126502 126502 PILOT AIR FILTER 9052 9052 9052 9052 ELEMENT KIT PILOT AIR FILTER EK9052 EK9052 EK9052 EK9052 REPLACEMENT DESICCANT TOTAL ACTIVATED ALUMINA 1 8 BEADS RH215 754 LBS RH...