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Electrical Schematics

Models 125, & 150 - 115V/60 Hz (I-Controller Level 2)

Model 125 & 150 - 208-230V/60 Hz; 220-240V/50 Hz (I-Controller Level 2)

Legend

SW - ON/OFF Switch 2FU - Primary Fuse

CON - Contactor 3FU - Primary Fuse

TR1 - Transformer Control      1FU - Secondary Fuse

MTR - Compressor DRN1 - Drain Solenoid - Standard

1FM - Fan Motor DRN2 - Drain Solenoid (Oil Coalescing Option)

2FM - Fan Motor (RNC300-750 Only)          EDD1 - Electric Demand Drain

1FPS - Fan Pressure Switch Fan 1   EDD2 - Electric Demand Drain (Oil Coalescing Option)

2FPS - Fan Pressure Switch Fan 2 (RNC300-750 Only)             TC1/TC2/TC3 - Temperature Sensor, Thermistor

LPCO - Low Pressure Cutout Switch       CAP - Start Capacitor

HPCO - High Pressure Cutout Switch     TB - Terminal Block

SSMP - Solid State Motor Protection       SR - StartRelay

HTR - Crankcase Heater FM - Fan Motor

OL - Overload

CUSTOMER CONNECTION/

POWER CORD

SR

CON PE

CON PE

BLU

BLU

1

2

GROUND

DRN1

DRN2

1

L

N

FM

2

FM

FM

FPS

M

R

CON N

NEUTRAL

LINE

BRN

2

BRN

CON L1

1

CON

L1

2

N

N

N

2

FM

1

L

L

SW

1

C

L3

2

CAP

SR

S

S

MTR

OL

1

3

NOT USED 

ON WATER-COOLED UNITS

COIL

COMP

ON

DRAIN 

NEUTRAL

DRAIN

TC1

TB 5

N

L

P

IC2 OPTION

 BOARD ADDITION AND DRAINS

(SEE OPTION NOTES)

CUSTOMER CONNECTION/

POWER CORD

SW

FM

SR

CAP

FPS

MTR

C

R

M

S

3

1

OL

SR

S

L3

TB 1

TB PE

TB 2

TB 4

TB 3

TB PE

DRN1

DRN2

BRN

BRN

2

L

N

2

FM

1

1

FM

FM

2

2

1

N

L

2

1

BLU

BLU

L

N

1

LINE

NEUTRAL

GROUND

2

NOT USED 

ON WATER-COOLED UNITS

L

N

P

DRAIN

DRAIN 

NEUTRAL

COMP

ON

TB 5

TC1

Optional Notes:

1. IC2-Includes IC2 Instrument Panel and Timed Solenoid Drains.

2. IC3-Includes IC3 Control Panel and Demand Drains

3. DRN2-Optional Cold Coalescing Drain

4.     575-3-60 Supplied from equipment mounted transformer

5. Water-Cooled units:  Fan Motor(s) and Fan Pressure Switch(es) are removed.

Summary of Contents for CRN Series

Page 1: ...7610 478 40D 040103 7610 478 40D 040103 INTERNAL USE ONLY 7610 721 74 1 04 CA18 2 650 1st Ed 7610 478 40D 040103 INTERNAL USE ONLY CRN300 CRN400 CRN500 CRN750 GENERAL SAFETY INFORMATION 2 RECEIVING MOVING UNPACKING 2 1 0 INSTALLATION 3 2 0 OPERATION 4 7 3 0 MAINTENANCE 8 9 SIZING 10 ENGINEERING DATA 11 ELECTRICAL SCHEMATICS 12 13 DIMENSIONS WEIGHTS 14 15 TROUBLESHOOTING 16 17 PARTS LIST 18 WARRANT...

Page 2: ...age be made on the delivery receipt by the carrier s agent B UNPACKING Check for Concealed Loss or Damage When a shipment has been delivered to you in apparent good order but concealed damage is found upon unpacking notify the carrier immediately and insist on his agent inspecting the shipment Concealed damage claims are not our responsibility as our terms are F O B point of shipment C MOVING In m...

Page 3: ...Piping connections A Air Inlet Connect compressed air line from air source to air inlet Reference markings on dryer or see callout drawing on pages 14 and 15 for air in outlet connection locations Refer to Serial Number Tag for maximum working pressure Do not exceed dryer s Maximum Working Pressure NOTE Install dryer in air system at highest pressure possible e g before pressure reducing valves NO...

Page 4: ...alve slowly 7 Close air by pass valve 8 Identify I Controller version Level on dryer A Models with I Controller Level 2 proceed to Step 9 B For Models with I Controller Level 3 see Section 2 7 for further instructions 9 Toggle ON OFF switch to the ON position 1 4 Electrical connections IMPORTANT Use copper supply wires only A Dryer is designed to operate on the voltage phase and frequency listed o...

Page 5: ...ce the Minutes Between Drain Cycle LED s from left to right until reaching your selection The Red LED is not used Reference Table 2 for Drain Cycle Intervals 3 To initiate the new setting press the Drain Interval Program button this will store the new setting and exit the program 4 Exiting the Program will cause the Timer Drain to discharge and begin a new cycle NOTE Failure to perform step 3 with...

Page 6: ... Temp F C to Service IC3 Ver xxx 50 F 95 F 10 C Ambient Temp Total Set Language Eng English Ambient Set Pt 105 F F C Hours Spanish French 95 F 122 F 41 C Inlet Air Temp Set Date Current Inlet Air Set Pt 105 F F C MO DA YR 95 F 140 F 41 C HR MIN SEC Set Time Eastern Service Interval 2000 MO DA YR HR MIN SEC Standard 0 4000 Hours Hours Dryer SetTemp ON OFF F C F Table 1 Vacuum Fluorescent Text Displ...

Page 7: ...ing of the solenoid valve for a given period of time Once the time has elapsed the solid state processor transmits information to energize the coil in the solenoid valve 2 The magnetic force of the coil causes the solenoid core 3 to move closing the pilot air supply line and opening the pilot air exhaust line After the pilot air above the diaphragm 4 is vented pressure in the reservoir opens the d...

Page 8: ...thly or as necessary in dirty environments B Water cooled clean strainer monthly more often if required Shut off water remove small plug to relieve pressure then remove large plug to remove strainer Clean strainer and replace 125 thru 150 scfm Models Separator Element or Optional Oil Removal Element Timer Drain Valve Standard with I Controller Level 2 Demand Drain I Controller Level 3 Only 1 Isola...

Page 9: ...tructions j Install the new element by carefully pushing it in to the element sealing port 1a k Reinstall the element retainer plate 5 l Inspect the upper and lower shell cap gaskets and apply a thin coat of lubricant to the outside and to the sealing lips of these gaskets m Slide the separator shell assembly back in n Slide the gaskets into position centering them between the coupling grooves o R...

Page 10: ...city from Table 1 by the multipliers shown in Table 2 Example How many scfm can an air cooled 750 scfm model handle when compressed air to be dried is at 200 psig and 100 F ambient air temperature is 80 F and a 38 F dew point temperature is desired Answer 750 x 1 22 x 1 12 x 1 0 1 025 scfm TABLE 2 Air capacity correction factors Multipliers MODELS 125 150 200 250 300 400 500 750 Rated capacity 60 ...

Page 11: ... 7 Branch Circuit Fuse Size amps 24 15 20 25 45 Watts 35 F Evaporator 100 F Ambient 1060 1335 1940 2620 3600 Resistance Ohms Three phase Total 1 77 1 256 1 058 0 853 Single phase Start C S 3 15 Run C R 0 416 Nominal Voltage 208 230 1 60 460 3 60 460 3 60 460 3 60 460 3 60 Max Min Voltage 253 198 506 414 506 414 506 414 506 414 Rated Load Amps 8 3 4 0 4 9 6 2 11 Locked Rotor Amps 33 5 25 33 40 45 M...

Page 12: ...lay HTR CrankcaseHeater FM FanMotor OL Overload CUSTOMERCONNECTION POWERCORD SR CONPE CONPE BLU BLU 1 2 GROUND DRN1 DRN2 1 L N FM 2 FM FM FPS M R CONN NEUTRAL LINE BRN 2 BRN CONL1 1 CON L1 2 N N N 2 FM 1 L L SW 1 C L3 2 CAP SR S S MTR OL 1 3 NOTUSED ONWATER COOLEDUNITS COIL COMP ON DRAIN NEUTRAL DRAIN TC1 TB5 N L P IC2OPTION BOARDADDITIONANDDRAINS SEEOPTIONNOTES CUSTOMERCONNECTION POWERCORD SW FM ...

Page 13: ...3 TO TB PE L3 TB TO TB L2 L2 TO TB L1 L1 TRANSFORMER CONNECTION TR1 575V CONNECTION SHOWN H6 H1 X3 X1 X2 X4 H1 PE L3 L2 PE L3 L2 FOR USE TAPS 208V H6 H5 230V H6 H4 460V H6 H2 380 420V H6 H3 2 X 6 H 4 5 H H 2FU TB TB 9 A2 A1 INLET TEMP TB TB 6 10 TB 11 SEPARATOR TEMP IC3 CONTROL PANEL REMOTE START STOP AMBIENT TEMP 8 TB 9 TB 7 17 13 TB TB 12 TB 14 DRAIN TEST POWER ON FAULT 15 POWER 16 MTR TB TB TB ...

Page 14: ...6 26 32 3 8 32 3 8 D 4 1 8 4 1 8 5 5 16 5 5 16 E 9 7 16 9 7 16 12 5 8 12 5 8 F 4 1 2 4 1 2 4 4 G 20 11 16 20 11 16 24 7 16 24 7 16 H 24 3 16 24 3 16 21 3 16 21 3 16 I 24 24 29 3 4 29 3 4 J 21 13 16 21 13 16 27 1 8 27 1 8 Inlet Outlet Connections 1 MPT 1 MPT 1 1 2 MPT 1 1 2 MPT Weight lbs 229 244 410 410 Weight lbs with Oil Removal Filter 237 252 423 423 125 thru 150 scfm models 200 thru 250 scfm m...

Page 15: ... 33 9 16 33 9 16 38 3 4 H 37 9 16 37 9 16 37 9 16 42 3 4 I 44 3 4 44 3 4 44 3 4 48 3 4 J 27 1 8 27 1 8 27 1 8 27 1 16 Inlet Outlet Connections 1 1 2 MPT 2 MPT 2 1 2 MPT 2 1 2 MPT Weight lbs 631 672 701 968 Weight lbs with Oil Removal Filter 644 704 733 1038 TOP VIEW FRONT VIEW RIGHT SIDE VIEW 300 thru 500 scfm models 750 scfm models TOP VIEW FRONT VIEW RIGHT SIDE VIEW C J B A F G H E D C I J B A F...

Page 16: ...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 a ON OFF switch is OFF 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 funct...

Page 17: ...MBIENT TEMP 1 Poor ventilation Ensure ventilation is adequate for heat load High Ambient Air Temperature Ensure compressor is not ventilated toward dryer ALERT INLET AIR TEMP 1 No aftercooler on compressor Install an aftercooler High Inlet Air Temperature 2 Dirty aftercooler Clean aftercooler 3 Poor Ventilation Ensure ventilation is adequate for heat load ALARM DEW POINT TEMP 1 Refrigerant leak Ha...

Page 18: ...481074146 Power Transformer 575 V C61202771 C61202771 C61202771 C61202771 C61202771 C61202771 C61202771 C61202771 Refrigerant High Pressure Switch watercooled C413013836 C413013836 C413013836 C413013836 C413013836 C413013836 C413013836 C413013836 SureSave Valve C413082943 C413082943 C413082943 C413082943 C413082943 C413082943 C413082943 C413082943 OnOff Switch C611070613 C611070613 C611070613 C611...

Page 19: ...19 NOTES ...

Page 20: ...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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