ADC AD-200 - Manuals

Table of Contents AD-200 REFERENCE GUIDE (Basket [Tumbler] Section) .............................. 3 AD-200 REFERENCE GUIDE (Base Section) ................................................... 4 SECTION ISAFETY PRECAUTIONS ..................................................................................

3 AD-200 Reference Guide (Basket [Tumbler] Section)

5 SECTION I SAFETY PRECAUTIONS CAUTION: The dryer should never be left unattended while in operation. WARNING: For your safety, the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury, or loss of life. WARNING: The drye...

6 WARNING: DO NOT dry mop heads. Contamination by wax or flammable solvents will create a fire hazard. WARNING: DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or similarly textured rubber materials. Drying in a heated basket (tumbler) may damageplastics or rubber and ...

7 SECTION II ROUTINE MAINTENANCE A. CLEANING A schedule should be established for periodic inspection, cleaning, and removal of lint from various areas of the dryer, as well as throughout the ductwork system. The frequency of cleaning can best be determined fromexperience at each location. Maximum o...

8 WARNING: TO AVOID THE HAZARD OF ELECTRICAL SHOCK, DISCONTINUE ELECTRICAL SUPPLY TO THE DRYER. MONTHLY Empty the compressed air filter bowl. NOTE: REGULATOR PRESSURE IS TO BE SETAT 80 PSI (5.51 BARS). Clean any lint accumulation from the gas valve and burner areaat the top of the dryer, the fan (sq...

10 EVERY 6 MONTHS Change gear oil in basket (tumbler) shaft gear (speed) reducer. 1. Remove the drain plug (located at the bottom rear of the reducer). 2. After oil is completely drained, replace the drain plug. 3. Remove the vent plug and pour in 1.4 liters of Mobil Oil DTE HH5G (I.S.O. viscosity g...

11 SECTION III SPECIFICATIONS AND DIMENSIONS A. SPECIFICATIONS (GAS AND STEAM MODELS) * Dryer must be provided with a clean, dry, regulated 80 PSI +/- 10 PSI (5.51 bars +/- 0.68 bars) air supply (equivalent volume = 9 cfh [0.26 cmh]). NOTE: ADC reserves the right to make changes in specifications at...

13 SECTION IV INSTALLATION REQUIREMENTS Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, the installation must conform to applicable American National Standards: ANSI Z223.1- LATEST EDITION (National Fuel Gas Code) or ...

14 B. ELECTRICAL AND GAS REQUIREMENTS It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms to local and state regulations or codes. In theabsence of such codes, ALL elect...

15 SECTION V COMPONENT DESCRIPTION/REPLACEMENT A. HEAT SECTION The dryer uses three (3) types of heat sources: natural gas, liquid propane (L.P.) gas, and steam. Natural gas andL.P. gas are not directly replaceable. The gas valves need to be modified to use other than the type of heatspecified on th...

17 e. The Manual Reset Basket (Tumbler) Hi-Limit Switch is a thermostat type switch located above the Lint Basket. Its functionis to discontinue heat (flame) in the event of an over temperaturesituation (above 225º F [107º C]). f. The gas valve used in the ADG-200 is of the redundant type which mean...

18 Is 24 VAC available at transformer? Is 24 VAC present from terminal THS2 to ground? Is power available to primary? Are thermostat contacts and limit control contacts closed? Close Contacts. Check continuity of wiring todetermine why voltage does not exist at THS2. Is jumper installed from termina...

19 i. Troubleshooting Flowchart - Quick Reference... Second Visual Check Spark Present But Main Burner Does Not Come On Is main valve wiring securely attached to terminal M.V.3 and ground? No Yes Is 24 VAC present between terminals M.V.3 and ground ? No Yes Check for continuity in wiring from M.V.3 ...

20 j. Troubleshooting Flowchart - Quick Reference... Third Visual Check Main Burner Lights But Will Not Stay On Is flame sensor cable securely attached to terminal 4? No Yes Does continuity exist from control to flame sensor? No Yes Is flame sensor corroded or is ceramic cracked? No Yes Does continu...

21 B. TROUBLESHOOTING THE DIRECT SPARK IGNITION (DSI) SYSTEM NOTE: The troubleshooting information provided in this manual is intended for use by qualified servicetechnicians only. OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the AD-200 Phase 7 Non-Tilting Installation/O...

28 3. Troubleshooting and System Detailed Diagnosis For Johnson Direct Spark Ignition (DSI) Module P/N 128935 When the dryer calls for heat, 24 VAC from the step down transformer is applied to the “TH” and “GND”terminals of the DSI module. The DSI module light emitting diode (L.E.D.) indicator will ...

29 a) Connect the water column (W.C.) test gauge (manometer) to the gas valve pressure tap (1/8” N.P.T.). Refer to the illustration on the previous page. b) Start the dryer...with the burner on, the correct water column pressure reading in inches should be : Natural Gas ------------------ 3.5 inches...

39 11. Reverse the procedure for reinstalling the gas valve/manifold assembly to the dryer. 12. Open ALL gas shutoff valves (closed in Step #2 ). 13. Reestablish electrical power to the dryer. a. Test ALL connections for leaks. IMPORTANT: Test ALL connections for leaks by brushing on a soapy water s...

40 1. Steam Coil PH Level The normal PH level for copper type steam coils must be maintained between a value of 8.5 to 9.5. For steel type steam coils the PH level must be maintained between a value of 9.5 to 10.5. These limits are set to limit the acid attack of the steam coils. IMPORTANT : Coil fa...

43 6) Remove steam coil damper cylinder (piston). 7) Remove the steam coil damper by unbolting from its hinges. 8) Disconnect steam supply lines and steam return lines at the unions. 9) Remove the remaining piping from the steam coil. 10) Remove ALL of the panels surrounding the steam coil. 11) Unbo...

44 E. SPRINKLER SYSTEM DESCRIPTION The dryer’s sprinkler system is monitored by a microprocessor based temperature controller as a designated“FAIL-SAFE.” The microprocessor circuit must have power in order to engage main power to the dryer. When cycling the dryer, if temperature at the Resistive Tem...

45 MAN3488 d. Sprinkler Digital Temperature Controller The sprinkler digital temperature controller is a programmablemicroprocessor used to monitor temperatures via a ResistiveTemperature Device (RTD). NOTE: Operating parameters are preset at the factory andshould not require any adjustment. 2. Spri...

46 5) Remove the wires of the Resistive Temperature Device (RTD) from the terminal strip. NOTE: Identify the wires removed for proper reinstallation. 6) Loosen the cord grip cap. 7) Remove RTD. 8) To install new RTD, reverse above procedure ( Step #7 thru Step #1 ). b. Sprinkler Valve Replacement 1)...

55 c) Mark the inside of the motor shaft before removing the bushing. d) Loosen the setscrews on the bushing. e) Remove the bushing and the pulley. 11) Remove the pillow block bearing with shroud by removing the setscrew. 12) Replace the pillow block bearing with shroud on to the fan shaft... a) Sec...

56 7) Remove the 1/4” x 1/4” x 1-3/4” (6.35 mm x 6.35 mm x 4.45 cm) key on the blower (squirrel cage fan) motor shaft. a) Slide the blower (squirrel cage fan) motor off the shaft. NOTE : Install this 1/4” x 1/4” x 1-3/4” (6.35 mm x 6.35 mm x 4.45 cm) key to the fan shaft before installing the new bl...

59 H. FILTER/REGULATOR ASSEMBLY The purpose of the filter is to remove bulk liquids and solid particles from the compressed air stream. The filterelement provides mechanical separation of solids. Centrifugal force inside the filter bowl separates bulk liquidsand larger solid particles. The filter co...

61 2. Door Component Replacement and/or Removal a. Pneumatic Automatic Door Replacement or Removal AUTOMATIC DOORS 1) Discontinue electrical power to the dryer. 2) Remove the two (2) 1/4-20 x 1/2” bolts from each side of the middle guard and then remove the guard. 3) Remove the three (3) 1/4-20 x 3/...

67 CAUTION: WHEN SERVICING THE HIGH VOLTAGE (HV) SECTION OF THE DRYER, THE ELECTRICAL POWER MUST BE DISABLED. THE “EMERGENCY STOP” (E-Stop) BUTTON DOES NOT DISABLE THE HIGH VOLTAGE TO THE DRYER. 1. Control/Electrical System Description a. 3-Phase (3ø) Electrical Power The 3-phase (3ø) electrical pow...

69 c) Lint drawer closed circuit branch... The lint drawer closed switch is located in the front of the dryer. When the lint drawer is closed,it closes the switch contacts, powering the lint drawer closed relay. Then, the dry enable relaywill close, supplying 24 VAC to the TSX 07 Programmable Logic ...

70 Next reverse leads to temperature sensor black to black and red to white. At that point, you willmeasure approximately 1.8 amps, this is the turn on voltage of the device. If you hold the temperaturesensor in your hands and warm it, the reading will decrease corresponding to a higher current flow...

74 b. Programmable Logic Controller (PLC) Replacement 1) Discontinue electrical power to the dryer. 2) Mark and identify the wires that will be removed for proper reinstallation. 3) To remove the PLC from the mounting rail, using a screwdriver, very carefully pull out themounting clip on the bottom ...

78 WARNING: TO ENSURE THAT THE DRIVE IS NOT UNEXPECTEDLY STARTED, TURN OFF AND LOCKOUT AND/OR TAG POWER SOURCE BEFOREPROCEEDING . FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN PERSONAL INJURY. WARNING: Drive shaft assembly is heavy. IMPROPER HANDLING CAN CAUSE PERSONAL INJURY. 2. Drive Motor ...

79 1) Discontinue electrical power to the dryer. 2) Loosen turnbuckle and remove V-belts. 3) Install new V-belts. NOTE: Replace V-belts in matched sets (both belts). 4) Tighten turnbuckle. IMPORTANT: DO NOT OVERTIGHTEN TURNBUCKLE . 5) Reestablish electrical power to the dryer. c. Taper Lock Bushing ...

80 3) Mark the position of the pillow block bearing on the mounting pad andloosen the setscrews. 4) Insert blocks of wood under the basket (tumbler) - access through thelint drawer - to take the weight offthe drive wheels. 5) Loosen the turnbuckle and remove the V-belts. Remove bottom turnbuckle mou...

82 9) Reinstall the drive shaft into the dryer. 10) Secure the gear (speed) reducer to the drive shaft by reinstalling the three (3) bolts into the taper lock bushing and tighten evenly for proper mounting. 11) Repeat Step #12 to reinstall the other taper lock bushing. 12) Reinstall the bolt into th...

83 4) Remove the bolts from the guard panel to gain access to the rear bottom retaining wheel. b. Retaining Wheel(s) Replacement 1) Discontinue electrical power to the dryer. 2) Remove the four (4) Phillips pan head screws to remove the cover. 3) Remove the hardware (i.e., bolt, lock washer, and fla...

86 SECTION VI PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1. For Models With Johnson Controls Direct Spark Ignition (DSI) Module (G760) Theory Of Operation: Start the drying cycle. When the gas burner ignites within the chosen trial for ignition time (6-seconds), theflame sensor detects...

88 SECTION VII PHASE 7 OPL SYSTEM DIAGNOSTICS IMPORTANT: YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY OR THE STEAM SUPPLY BEFORE ANYCOVERS OR GUARDS ARE REMOVED FROM THE MACHINE TOALLOW ACCESS FOR CLEANING, ADJUSTING, INSTALLATION, ORTESTING OF ANY EQUIPMENT PER OSHA (Occup...

95 SECTION VIII TROUBLESHOOTING IMPORTANT: YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY OR THE STEAM SUPPLY BEFORE ANYCOVERS OR GUARDS ARE REMOVED FROM THE MACHINE TOALLOW ACCESS FOR CLEANING, ADJUSTING, INSTALLATION, ORTESTING OF ANY EQUIPMENT PER OSHA (Occupational Safety...

96 NOTE: SPRINKLER MUST HAVE POWER FOR THE DRYER TO OPERATE. B. Drive motor is not operating (does not start)... * Microprocessor controller (computer) relay output indicator (either forward “FWD” or reverse“REV”) is on. 1. Blown drive motor contactor overloads. 2. Failed drive motor contactor. 3. F...

97 f. V-belts are too tight. g. Dryer has an oversized load. h. Voltage to the dryer is incorrect...check dryer data label for specified voltage. 2. Failed overload protector... a. Incorrect overload setting. E. Blower (squirrel cage fan) motor is not operating (does not start)... * Microprocessor c...

100 2) Failure in drive motor circuit. b. Faulty rotation sensor. c. Broken wire or connection between rotation sensor and microprocessor controller (computer) display board. d. Failure in rotational sensor circuit, magnet missing, or gap too large. e. Basket (tumbler) rotation below 12 RPMS. P. Mic...