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SERVICE DEPARTMENT: (724) 746-1100

CRN SERIES

REFRIGERATED

COMPRESSED

AIR DRYERS

INSTRUCTION MANUAL

®

7610.721.

73

  1/04

CA18-2-645, 1st Ed.

7610.478.39/040103

INTERNAL USE ONLY

CONTENTS

GENERAL SAFETY INFORMATION ............................ 2
RECEIVING, MOVING, UNPACKING .......................... 2
1.0 INSTALLATION ................................................... 3
2.0 OPERATION ....................................................... 4
3.0 MAINTENANCE ................................................. 6
SIZING ...................................................................... 6
ENGINEERING DATA ................................................. 7
ELECTRICAL SCHEMATICS ........................................ 8
DIMENSIONS / WEIGHTS .......................................... 9
TROUBLESHOOTING ............................................... 10
PARTS LIST ............................................................. 11
WARRANTY ............................................................ 12

Models:

CRN25, CRN35, CRN50,
CRN75, CRN100

Summary of Contents for CRN100

Page 1: ...645 1st Ed 7610 478 39 040103 INTERNAL USE ONLY CONTENTS GENERAL SAFETY INFORMATION 2 RECEIVING MOVING UNPACKING 2 1 0 INSTALLATION 3 2 0 OPERATION 4 3 0 MAINTENANCE 6 SIZING 6 ENGINEERING DATA 7 ELECTRICAL SCHEMATICS 8 DIMENSIONS WEIGHTS 9 TROUBLESHOOTING 10 PARTS LIST 11 WARRANTY 12 Models CRN25 CRN35 CRN50 CRN75 CRN100 ...

Page 2: ...s evidence of loss or damage at time of delivery to you insist that a notation of this loss or damage be made on the delivery receipt by the carrier s agent B UNPACKING Check for Concealed Loss or Damage When a ship ment has been delivered to you in apparent good order but concealed damage is found upon unpack ing notify the carrier immediately and insist on his agent inspecting the shipment Conce...

Page 3: ...r installation Standard units are designed for indoor installation Contact manufacturer if installing outdoors 1 2 Mounting Mount the dryer on a level solid surface Holes are provided in the dryer base to permanently mount the dryer to the floor 1 3 Piping connections A Air Inlet Connect compressed air line from air source to air inlet See callout drawing on page 3 for air in outlet connection loc...

Page 4: ... and void the warranty 1 5 Moisture separator A Separator and Oil Removal Filter where applicable has an internal drain which automatically discharges collected condensate It may be desirable to pipe the condensate from the Automatic Drain outlet to a suitable drain NOTE Discharge is at system pressure Drain line should be anchored NOTE Condensate may contain oil Comply with applicable laws concer...

Page 5: ...ed in Table 1 2 Where the dryer is consistently operating at less than maximum capacity it may be possible to increase the LED set point to minimize air loss Discretionary adjustments to the dryer should only be made on a hot humid day when the maximum expected air load is flowing through the dryer Failure to do so may prevent the condensate from draining completely when operating under peak load ...

Page 6: ...d drain mechanism annually To facilitate service maintenance kits are available Please refer to page 11 3 0 Maintenance Sizing Determining dryer capacity at actual operating conditions To determine the maximum inlet flow capacity of a dryer at various operating conditions multiply the rated capacity from Table 1 by the multipliers shown in Table 2 Example How many scfm can an air cooled 100 scfm m...

Page 7: ... 275 229 220 183 350 292 Electrical Nominal Voltages 115 1 60 Max Min Voltage 127 104 127 104 127 104 127 104 127 104 Rated Load Amps 3 4 3 9 5 9 7 4 10 3 Locked Rotor Amps 18 0 22 0 28 0 35 0 48 0 Minimum Circuit Ampacity 4 0 4 7 7 3 9 1 12 4 Branch Circuit Fuse Size amps 15 15 15 15 20 Watts 35 F Evaporator 100 F Ambient 280 290 465 600 815 Overload Thermal Current Auto reset Nominal Voltages 20...

Page 8: ...rload TB Terminal Block CAP Start Capacitor SR Start Relay DRN1 Drain Solenoid STD IC2 MTR Compressor DRN2 Drain Solenoid IC2 Oil Coalescing Option FM Fan Motor TC1 Temperature Sensor Optional Notes 1 IC1 Includes IC1 Instrument Panel and Pneumatic Pilot operated Drains 2 IC2 Includes IC2 Instrument Panel and Timed Solenoid Drains 3 DRN2 Optional Cold Coalescing Drain ...

Page 9: ... 18 3 16 18 3 16 18 3 16 20 11 16 20 11 16 H 21 3 16 21 3 16 21 3 16 24 3 16 24 3 16 I 18 1 2 18 1 2 18 1 2 24 24 J 16 1 2 16 1 2 16 1 2 21 13 16 21 13 16 Inlet Outlet Connections 1 2 MPT 1 2 MPT 1 2 MPT 3 4 MPT 3 4 MPT Weights lbs 142 146 152 209 228 Weights lbs w Oil Removal Filter 147 151 157 216 235 A F B I J C E D H G TOP VIEW FRONT VIEW LEFT SIDE VIEW TOP VIEW FRONT VIEW LEFT SIDE VIEW 25 th...

Page 10: ...igh air outlet temperature 2 Refrigeration system not func tioning properly resulting in high air outlet temperature 3 Dryer is running with no load a Power failure b Line disconnect switch open c Blown fuses open breaker d Faulty wiring loose terminals a High or low ambient conditions b Air cooled models Dirty clogged condenser fins obstructed air flow across condenser or non functioning fan moto...

Page 11: ...00 1 50 Condensing Unit Air cooled C41301205 C41301208 C41301209 C413012111 C41301219 C41301219 C413012210 C413012211 C413012215 Compressor Only C413010834 C413010861 C413010835 C413010838 C413010839 C413010840 C413010841 C413010842 C413010843 Overload C59255702 C592557824 C59255703 C59255781 C59255782 C59255783 C59255784 C59255785 C59255785 Start Relay C59456555 C594568324 C59456556 C59456831 C59...

Page 12: ...GE BY REASON OF STRICT LIABILITY IN TORT OR ITS NEGLIGENCE IN WHATEVER MANNER INCLUDING DESIGN MANUFACTURE OR INSPECTION OF THE EQUIPMENT OR ITS FAILURE TO DISCOVER REPORT REPAIR OR MODIFY LATENT DEFECTS INHERENT THEREIN THE MANUFACTURER HIS REPRESENTATIVE OR DISTRIBUTOR SHALL NOT BE LIABLE FOR LOSS OF USE OF THE PRODUCT OR OTHER INCIDENTAL OR CONSEQUENTIAL COSTS EXPENSES OR DAMAGES INCURRED BY TH...

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