Maytag MDG-75 Manuel d'installation

For replacement parts, contact the distributor from which the dryerwas purchased orMAYTAG403 West Fourth Street NorthNewton, Iowa 50208(515) 792-70001

6SECTION IISPECIFICATIONS/COMPONENT IDENTIFICATIONA. SPECIFICATIONS* For non-reversing models.** A minimum of 3/4” pipe must be supplied to the

7* Duct size varies with installation conditions.NOTE: Manufacturer reserves the right to make changes in specifications at any time without notice o

8B. COMPONENT IDENTIFICATION1. Dryer Front ViewIllus. No. Description1 Controls2 Control (top access) Door Assembly3 Main Door Assembly4 Lint Compart

92. Dryer Rear ViewIllus. No. Description1 Heating Unit2* Electric Service Relay Box3 Tumbler Bearing Mount Assembly4 Idler Bearing Mount Assembly5 B

10SECTION IIIINSTALLATION PROCEDURESInstallation should be performed by competent technicians in accordance with local and state codes. In theabsenc

11CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors. Every 6months, inspect the exhaust ducting and remove any lint

12C. DRYER ENCLOSURE REQUIREMENTSBulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12-inches (30.4

13D. FRESH AIR SUPPLY REQUIREMENTSWhen the dryer is operating, it draws in room air, heats it, passes this air through the basket (tumbler), andexhau

14NOTE: Component failure due to dry cleaning solvent fumes will VOID THE WARRANTY.E. EXHAUST REQUIREMENTS1. General Exhaust Ductwork InformationExha

15IMPORTANT: Exhaust back pressure measured by a manometer in the exhaust duct must be no lessthan 0 and must not exceed 0.3 inches (0.74 mb) of water

Retain This Manual In A Safe Place For Future ReferenceFor replacement parts, contact the distributor from which the dryer was purchased or contact:MA

16IMPORTANT: Minimum duct size for a dryer that is vented vertically is 12-inches (30.48 cm) for around duct or an equivalent of 120 square inches (77

173. Multiple Dryer (Common) VentingIf it is not feasible to provide separate exhaust ducts for each dryer, ducts from individual dryers may bechannel

18

19F. ELECTRICAL INFORMATION1. Electrical RequirementsIt is your responsibility to have ALL electrical connections made by a properly licensed and com

202. Electrical Service Specificationsa. Gas ONLYIMPORTANT: Figures shown are for non-reversing models only. For reversing models contact thefactory

213. GroundingA ground (earth) connection must be provided and installed in accordance with state and local codes. Inthe absence of these codes, grou

22Single-Phase (1Ø) Electrical Connections LeadsBlack+PositiveWhite+NeutralGreen+GroundorL2Actual electrical wire connections are made to the L1 and L

23The only electrical input connections to the dryer are the 3-phase (3ø) power leads (L1, L2, L3, andsometimes neutral) and ground. Single-phase (1ø

243) 3-Phase (3ø) Wiring Connections or Hookup (for Reversing Models Only)The electrical connections on ALL 3-phase (3ø) gas dryers are made into the

25G. GAS INFORMATIONIt is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gasplumbing instal

IMPORTANTYOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GASSUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINETO ALLOW ACCESS

262. Technical Gas Dataa. Gas Specificationsb. Gas Connections:Inlet connection ------------ 3/4-inch N.P.T.Inlet supply size ------------ 3/4-inch N.

273. Piping/ConnectionsALL components/materials must conform to National Fuel Gas Code Specifications ANSI Z223.1-LATESTEDITION, or in Canada, CAN/CGA

28Consistent gas pressure is essential at ALL gas connections. It is recommended that a 3/4-inch (19.05 mm)pipe gas loop be installed in the supply l

29H. PREPARATION FOR OPERATION/START-UPThe following items should be checked before attempting to operate the dryer:1. Read ALL “CAUTION,” “WARNING,”

30I. PREOPERATIONAL TESTSALL dryers are thoroughly tested and inspected before leaving the factory. However, a preoperational testshould be performe

313. Make a complete operational check of ALL safety related circuits:a. Door Switch(es)b. Hi-Limit Thermostatsc. Sail Switch - Gas ModelsNOTE: To che

327. Reversing Models ONLYBasket (tumbler) dryer should never be operated with less than a 30 lb (14 kg) load (dry weight). The sizeof the load will

33K. SHUT DOWN INSTRUCTIONSIf the dryer is to be shut down (taken out of service) for a period of time, the following must be performed:1. Discontinu

34SECTION IVSERVICE/PARTS INFORMATIONA. SERVICE1. Service must be performed by a qualified trained technician, service agency, or gas supplier. If

35SECTION VWARRANTY INFORMATIONA. RETURNING WARRANTY CARDS1. Before any dryer leaves the factory test area, a warranty card is placed on the back si

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

36SECTION VIROUTINE MAINTENANCEA. CLEANINGA program or schedule should be established for periodic inspection, cleaning, and removal of lint from va

3790 DAYS1. Remove lint from around basket (tumbler), drive motors, and surrounding areas.2. Remove lint from gas valve burner area with a dusting bru

38SECTION VIIPROCEDURE FOR FUNCTIONAL CHECKOF REPLACEMENT COMPONENTS1. Microprocessor Controller (Computer) Boarda. Upon completing installation of th

39d. Verify that the motors heat and door indicator lights, on the back side of the microprocessor controller(computer) board are lit. (Refer to the

402. For Models With Johnson Controls Direct Spark Ignition (DSI) Module (G760)Theory Of Operation:Start the drying cycle. When the gas burner ignite

41SECTION VIIIREVERSING TIMER SPIN/DWELL ADJUSTMENTSDual timer models with “reversing option” have an electric reversing timer in the electric service

42SECTION IXDATA LABEL INFORMATIONA. DATA LABELContact MAYTAGWhen contacting MAYTAG certain information is required to insure proper service and pa

43THE DATA LABEL1. MODEL NUMBERThe model number is a number, which describes the size of the dryer and the type ofheat (gas, electric, or steam).2. SE

44SECTION XTROUBLESHOOTINGWARNING: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY andTHE GAS SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVEDFROM T

45b. Failed arc suppressor (A.S.) board (for Reversing Models ONLY).c. Failed drive motor.2. Microprocessor controller (computer) motor indicator dot

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

461. Motor is overheating and tripping out on internal overload protector...a. Motor air vents clogged with lint.b. Low voltage to motor.c. Failed mot

47K. Microprocessor controller (computer) L.E.D. display reads “door” and the microprocessorcontroller (computer) “DOOR” L.E.D. indicator is off...1.

48Q. Dryer stops during a cycle, microprocessor controller (computer) buzzer (tone) sounds for5-seconds, and then the light emitting diode (L.E.D.) re

492. Tripped burner manual reset hi-limit.3. Tripped lint chamber sensor bracket basket (tumbler) manual reset hi-limit switch.U. Heating unit is not

502. Restriction in ductwork...a. Dryer back draft damper is sticking partially closed.b. Restriction/obstruction in ductwork...1) Check ductwork from

51X. At the completion of the “AUTO” drying/cooling cycle, the load is coming out over dried...1. Percent of dryness (dryness level) of the cycle sele

522. Impellor (fan and blower) is out of balance...a. Excessive lint build up on impellor (fan and blower).b. Failed impellor (fan and blower).3. Loos

533. Failed drive motor.C. Drive motor (Reversing Models ONLY) operates in one (1) direction only...stops and restarts inthe same direction...1. Faile

54H. Heating unit is not operating (no heat)...no voltage at heating unit (i.e., Gas Model - DirectSpark Ignition [DSI] module) when dryer is first st

55c. Ignitor does not spark and module locks out (RED indicator stays on).1) Fault in high voltage (HV) wire ... break or loose connection.2) Failed i

SECTION VIROUTINE MAINTENANCE ...36A. Cleaning ...

564) Gas supply may have too low a heating value.NOTE: Lint accumulation on the sensor bracket can act as an insulator, which will affect the accuracy

573. Loose basket (tumbler) tie rod.4. Basket (tumbler) is out of adjustment, or adjustment bolts (hardware) are loose.5. Failed basket (tumbler) supp

58SECTION XIBURNER and BASKET (TUMBLER)/LINT CHAMBERMANUAL RESET HI-LIMIT INSTRUCTIONSIMPORTANTMANUAL RESET HI-LIMIT INSTRUCTIONSFOR DUAL TIMER OR PHA

Part No. 113123 1- 12/30/99-25 2- 01/04/00-100 3- 02/05/00-2004- 06/08/00-200 5- 10/19/00-200 6* 09/14/01-200

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

57. A program should be established for the inspection and cleaning of lint in the heating unit area, exhaustductwork, and inside the dryer. The freq