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1. PRESSURIZED DEVICES:

This equipment is a pressure
containing device.

• Do not exceed maximum operating pressure as

shown on equipment serial number tag.

• Make sure equipment is depressurized before

working on or disassembling it for service.

GENERAL SAFETY INFORMATION

2

2. ELECTRICAL:

This equipment requires electricity
to operate.

• Install equipment in compliance

with all applicable electrical codes.

• Standard equipment is supplied with electrical

enclosures not intended for installation in
hazardous environments.

• Disconnect power supply to equipment when

performing any electrical service work.

RECEIVING, MOVING, AND
UNPACKING

A. RECEIVING

This shipment has been thoroughly checked, packed
and inspected before leaving our plant. It was received
in good condition by the carrier and was so
acknowledged.

Check for Visible Loss or Damage. If this shipment
shows 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 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 moving or transporting dryer, do not tip dryer onto
its side.

D. STORAGE

IMPORTANT: Do not store dryer in temperatures above
130

°

F, 54.4

°

C.

3. BREATHING  AIR:

Air treated by this equipment may not
be suitable for breathing without
further purification.

• Refer to applicable standards and specifications for

the requirements for breathing quality air.

For Sales & Service Call:  705-722-5747  Ext.1

Summary of Contents for DRD 200

Page 1: ...NTENANCE 6 SIZING 6 ENGINEERING DATA 7 ELECTRICAL SCHEMATICS 8 DIMENSIONS WEIGHTS 9 TROUBLESHOOTING 10 PARTS LIST 11 WARRANTY 12 SERVICE DEPARTMENT 724 746 1100 7610 530 11A 9 01 Refrigerated Compressed Air Dryers Models DRD 200 250 300 400 500 750 Instruction Manual c For Sales Service Call 705 722 5747 Ext 1 ...

Page 2: ...carrier and was so acknowledged Check for Visible Loss or Damage If this shipment shows 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 shipment has been delivered to you in apparent good order but concealed damage is found upon unpacking ...

Page 3: ...r cooled 45 to 130 F 7 to 54 C E Installations in altitudes above 4500 feet 1370 meters Dryer is adjusted to operate in altitudes up to 4500 feet 1370 meters If dryer is installed in an altitude above this and has not been preset at the factory for this altitude contact manufacturer s Service Department NOTE Outdoor installation Standard units are designed for indoor installation Contact manufactu...

Page 4: ...imum 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 NOTE Install dryer at coolest compressed air temperature possible Maximum inlet compressed air temperature 120 F 49 C If inlet air exceeds this temperature precool the air with an aftercooler B Air Outlet Connect air outlet to downst...

Page 5: ...cy of service Typically element changeout is recommended at least annually e Push Set Run button again to exit Set Mode NOTE If dryer is left in the Set Mode for longer than 30 seconds Alarm light will illuminate and TIME OUT will appear on the Interface panel Dryer will resume previous operating mode C Starting dryer IMPORTANT Dryer must be energized 24 hours before starting refrigeration compres...

Page 6: ...rm that activates if drain fails to discharge f Check drain operation push Drain push to test button to energize electric drain A flow of condensate and or air should be present at the drain outlet E Using the RS 232 port The RS 232 port is used to monitor dryer operation from a host computer A 1 to 1 DB 9 cable is required to connect dryer and computer For PC connections data is transmitted on pi...

Page 7: ...pliers MODEL 200 250 300 400 500 750 Rated capacity of 60 Hz 200 250 300 400 500 750 air cooled models scfm 50 Hz 170 210 250 340 420 630 TABLE 1 Rated capacity scfm and pressure drop 100 psig inlet pressure 100 F inlet temperature and 100 F ambient temperature Air cooled models water cooled models use 1 15 multiplier if cooling water is below 35 C 95 F Element o ring Separator Element Bowl o ring...

Page 8: ... Max Min voltage 253 187 253 187 253 187 253 187 Rated Load Amps 8 4 11 5 13 6 22 9 Locked Rotor Amps 51 65 5 75 90 Minimum Circuit Ampacity 10 5 16 9 17 1 31 7 Branch Circuit Fuse Size amps 15 20 25 45 Watts 35 F Evaporator 100 F Ambient 1335 1940 2620 3600 Resistance Ohms Three phase Total 1 77 1 256 1 058 0 853 Nominal Voltage 460 3 60 460 3 60 460 3 60 460 3 60 Max Min Voltage 506 414 506 414 ...

Page 9: ...eight lb 405 415 416 457 498 625 LEGEND CON CONTACTOR HTR CRANKCASE HEATER MTR COMPRESSOR 1FU FUSE SECONDARY 2FU FUSE PRIMARY 3FU FUSE PRIMARY 1FM FAN MOTOR 1 2FM FAN MOTOR 2 1FPS FAN PRES SWITCH 1 2FPS FAN PRES SWITCH 2 TC1 DEWPOINT TEMPERATURE T1 TRANSFORMER CONTROL T2 TRANSFORMER HDD BOARD SSMP SOLID STATE MOTOR PROTECTION SOL1 DEMAND DRAIN ELECTRICAL SCHEMATIC NOTE Dimensions and Weights are f...

Page 10: ...ol switch Water cooled Cooling temperature too high flow too low clogged strainer faulty water regulating valve a Hot gas by pass valve requires adjustment a Dryer overloaded b Refrigeration system off or not cooling sufficiently a Drain line restricted or frozen b Drain mechanism faulty Dryer left in the Set Mode for longer than 30 seconds Blow out system with dry air Check valve positions Check ...

Page 11: ...0 111 25 4130 111 28 Low refrigerant pressure switch 4130 138 22 4130 138 22 4130 138 22 4130 138 22 4130 138 22 4130 138 22 4130 138 22 4130 138 22 High refrigerant pressure switch 4130 138 25 4130 138 25 4130 138 25 4130 138 25 4130 138 25 4130 138 25 4130 138 25 4130 138 25 Fan cutout switch 1 4130 138 23 4130 138 23 4130 138 23 4130 138 23 4130 138 23 4130 138 23 4130 138 23 4130 138 23 Fan cu...

Page 12: ...uct based on the original date of purchase and or date of manufacture as outlined above There is no other expressed warranty Implied warranties including those of merchantability and fitness for a particular purpose are limited to one 1 year from date of purchase to the extent permitted by law and any and all implied warranties are excluded This is the exclusive remedy Liability for consequential ...

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