ADC AD-25 Operator's Manual

120299EL/abe ADC Part No. 113042AD-25VInstallation/Operator's ManualFor replacement parts, contact the distributor from which the dryerwas purcha

6SECTION IISPECIFICATIONSA. SPECIFICATIONS* AD-25V reversing dryer available with 3-phase (3ø) 1/2 HP [.373 kw] motors standard.** Size of piping to

7SpecificationsADG-25VADE-25VADS-25VNOTE: ADC reserves the right to make changes in specifications at any time without notice orobligation.

8SECTION IIIINSTALLATION PROCEDURESInstallation should be performed by competent technicians in accordance with local and state codes. In theabsence

91. Leveling DryerThe dryer is equipped with four (4) leveling legs, one at each corner of the base. Two (2) are located at therear of the dryer base

10C. DRYER ENCLOSURE REQUIREMENTSBulkheads and partitions should be made of noncombustible materials and must be located a minimum of12-inches (30.4

11D. FRESH AIR SUPPLYThe AD-25V air supply (makeup air) must be given careful consideration to assure proper performance of eachdryer. An unrestrict

12E. EXHAUST REQUIREMENTSExhaust duct work should be designed and installed by a qualified professional. Improperly sized duct work willcreate exce

13SINGLE DRYER VENTINGIMPORTANT: For exhaust duct runs over 25 feet (7.62 meters) a minimum size of 10-inches(25.4 cm) must be used.HORIZONTAL VENTING

14If the length of the duct run or quantity of elbows used exceeds the above noted specifications, the cross-sectional area of the duct work must be i

15MULTIPLE DRYER (Common) VENTINGIf it is not feasible to provide separate exhaust ducts for each dryer, ducts for individual dryers may be channeledi

Retain This Manual In A Safe Place For Future ReferenceReplacement parts can be obtained from your distributor or the ADC factory. When ordering repl

16HORIZONTAL VENTINGIllus. CVERTICAL VENTINGIllus. D

17IMPORTANT VENTING REMINDERS1. Duct work size and installation should be done by a qualified professional.2. The dryer must be exhausted to the outdo

18F. ELECTRICAL INFORMATION1. Electrical RequirementsIt is your responsibility to have ALL electrical connections made by a properly licensed and com

19NOTE: A CIRCUIT SERVING EACH DRYER MUSTBE PROVIDED.1) Single-Phase (1ø) Wiring Connections/HookupThe electrical input connections on ALL single-phas

20If local codes permit, power to the dryer can be made by the use of a flexible U.L. listed power cordor pigtail (wire size must conform to rating of

21a. Gas and Steam Model Dryers ONLY1) 3-Phase (3ø) Wiring Connection/HookupFor gas and steam dryers manufactured for operation at3-phase (3ø), the e

22NOTE: Electrically heated service (amperage) specifications/requirements not available at time ofprinting. Contact factory for update.CAUTION: The

23IMPORTANT: Figures shown are for non-reversing models ONLY. For reversing models contact thefactory.IMPORTANT: The dryer must be connected to the e

24G. GAS INFORMATIONIt is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gasplumbing instal

252. Technical Gas Dataa. Gas Specificationsb. Gas ConnectionsInlet connection ---------- 1/2" inch N.P.T.Inlet supply size ---------- 1/2"

IMPORTANTYOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THEGAS SUPPLY or THE STEAM SUPPLY BEFORE ANY COVERS or GUARDS AREREMOVED FROM THE MAC

263. Piping ConnectionsALL components/materials must conform to National Gas Code, or in Canada, the Canadian Gas Codespecifications. It is importan

27Consistent gas pressure is essential at ALL gas connections. It is recommended that a 3/4-inch pipe gasloop be installed in the supply line serving

28H. STEAM INFORMATIONIt is your responsibility to have ALL plumbing connections made by a qualified professional to assure that thesteam plumbing in

29a. The pressure of the condensate in the steam supply will cause water hammer and subsequent heatexchanger (steam coil) failure. The steam supply co

304. Steam Damper Air System ConnectionsThe ADS-25V is manufactured with a pneumatic (piston) damper system which requires an external supplyof compre

315. Steam Damper System OperationThe steam damper, as shown in the illustration below, allows the coil to stay constantly charged eliminatingrepeated

32a. Steam Damper Air Piston (Flow Control) Operation AdjustmentDamper operation was tested and adjusted prior to shipping at 80 psi (552 kPa). If da

33I. PREPARATION FOR OPERATION/START-UPThe following items should be checked before attempting to operate the dryer:1. Read ALL "CAUTION,"

34J. PREOPERATIONAL TESTSALL dryers are thoroughly tested and inspected before leaving the factory. However, a preoperational testshould be performed

35NOTE: The sail switch can be checked for proper operation by opening the lint drawer. While pushingthe lint drawer switch in, start a drying cycle.

WARNINGThe dryer must never be operated with any of the back guards, outer tops, or servicepanels removed. PERSONAL INJURY or FIRE COULD RESULT.IMPOR

36d. Once the preprogrammed dryness level and cool down period have been reached, or the maximumautomatic time has expired, the tone (buzzer) will sou

37b. Select Temperature...The dryer will start, the L.E.D. (light emitting diode) display will read the temperature cycle selected, andthe drying tim

382) Press the "E" on the touchpad of the keyboard.3) The L.E.D. (light emitting diode) display will quickly show "Ld30," "LC

39SECTION IVSERVICE/PARTS INFORMATIONA. SERVICE1. Only properly licensed or trained technicians should service the dryer. If service is required,

40SECTION VWARRANTY INFORMATIONA. RETURNING WARRANTY CARD(S)1. Before any dryer leaves the ADC factory test area, a warranty card is placed on the b

41e. Specify whether the part(s) being returned is for a replacement, a credit, or a refund.NOTE: If a part is marked for a credit or a refund, the in

42SECTION VIROUTINE MAINTENANCEA. CLEANINGA program and/or schedule should be established for periodic inspection, cleaning, and removal of lint fro

43STEAM DRYERSClean the steam coil fins. We suggest using compressed air and a vacuum cleaner with brush attachment.WARNING: When cleaning steam coil

44D. LINT DRAWER REMOVALTo remove the lint drawer from the dryer pull drawer out approximately halfway. Rotate/move lint drawerstop hinge (refer to

45SECTION VIITROUBLESHOOTINGIMPORTANT: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY andTHE GAS SUPPLY or THE STEAM SUPPLY BEFORE ANY COVERS or

Table of ContentsSECTION IIMPORTANT INFORMATION...3A. Receiving and Handling .

464. Failed microprocessor controller (computer).C. Drive motor (reversing) operates in one direction only...stops and restarts in same direction...1.

473. Failed arc suppressor (A.S.) board (for Reversing Models Only).4. Failed microprocessor controller (computer).5. Failed 24 VAC transformer.H. Bot

48M. Microprocessor controller (computer) locks up and the L.E.D. (light emitting diode) displayreads erroneous message(s) or only partial segments...

493. Fault in lint chamber sensor bracket or tripped manual reset hi-heat protector thermostat.4. Failed Direct Spark Ignition (DSI) module.5. Failed

503. Low and/or inconsistent gas pressure (for GAS MODELS ONLY).4. Insufficient make-up air.5. Poor air/ gas mixture at burner...yellow or poor flame

512. Impellor (fan/blower) out of balance ...a. Excessive lint build up on impellor (fan/blower).b. Failed impellor (fan/blower).3. Loose basket (tumb

52C. Blower motor (only) is not operating...1. Failed impellor (fan/blower) motor contactor (relay).2. Failed blower (impellor/fan) motor.D. Both dr

533. Tripped lint compartment manual reset (225º F [107º C]) safety thermostat circuit.4. Failed oven contactor/relay.5. Failed heat selector switch.S

5411.Fault in electric oven element circuit (for Electric Models Only) ...a. Failed element(s).b. Failed oven contactor (relay).12. Exceptionally cold

55When contacting American Dryer Corporation certain information is required to insure proper service/partsinformation from American Dryer. This infor

SECTION VIROUTINE MAINTENANCE ...42A. Cleaning ...

56THE DATA LABEL1. MODEL NUMBERThe model number is an ADC number which describes the size of the dryer and thetype of heat (gas, electric, or steam).2

57SECTION IXREVERSING TIMER SPIN/DWELLADJUSTMENTSDual timer models with "reversing option" have an electric reversing timer in the electric

58SECTION XPROCEDURE FOR FUNCTIONAL CHECK OFREPLACEMENT COMPONENTS1. Microprocessor (computer) Boarda. Upon completing installation of the replacemen

59e. Open main door. The dryer must stop and ALL output indicator lights on the back side of themicroprocessor (computer) board must go out. (Refe

60Theory Of Operation;Start the drying cycle. When the gasburner ignites within the chosen trial forignition time (6-seconds), the flamesensor detect

61SECTION XIBURNER AND LINT (TUMBLER) CHAMBERMANUAL RESET HI-LIMIT INSTRUCTIONSI M P O R T A N TMANUAL RESET HI-LIMIT INSTRUCTIONSFOR DUAL TIMER OR P

62I M P O R T A N TMANUAL RESET HI-LIMIT INSTRUCTIONSFOR DUAL TIMER OR PHASE 5 WITHOUT HEAT FAULT(ELECTRIC or STEAM)This dryer was manufactured with a

ADC 113042 1- 12/10/99 - 25 2* 04/06/00-25

3SECTION IIMPORTANT INFORMATIONA. RECEIVING and HANDLINGThe dryer is shipped in a protective stretch wrap cover with protective cardboard corners an

4B. SAFETY PRECAUTIONSWARNING: For your safety, the information in this manual must be followed to minimize the risk offire or explosion or to preven

5WARNING: DO NOT dry mop heads. Contamination by wax or flammable solvent will create afire hazard.WARNING: DO NOT use heat for drying articles that