Brother MFC-8220 All in One Printer User Manual
Contents
1. Steam Non reversing Tumblers SECTION II INSTALLATION INSTRUCTIONS Receiving Inspection Materials Required Obtain Locally Facilities Required M412616 Electrical Requirements 30 Pound 13 kg Narrow Cabinet Tumblers 35 30 Pound 13 kg Tumblers 36 50 Pound 22 kg Tumblers 38 75 Pound 34 kg Tumblers 40 Electrical 41 Positioning the Drying Tumbler 42 Leveling the Drying Tumbler 42 Gas Requirements Gas Drying Tumblers 42 Example of Gas Loop Piping 43 Example of Gas Supply Piping 43 Gas Connections Gas Drying Tumblers 45 Drying Tumbler Enclosure Construction 46 Steam Requirements Steam Drying Tumblers 47 Steam Connections Steam Drying Tumblers 47 Lighting and Shutting Down Gas Ignition System 49 Accessory Timing Cam Installation 50 Preliminary Operating Checks 51 Final Operating 51 SECTION III ADJUSTMENTS Main Gas Burner Air Shutter A2. zc rl e 9 4 o E 8227 n S 6 20 3 cm 8 2 DIAMETER EXHAUST DUCT THIMBLE CONNECTION 98 1 cm 38 5 8 2741 412616 29 75 34 kg Pound Steam Tumblers Cabinet Finish Electrostatically applied thermosetting polyester Cylinder 37 x 36 94 x 91 4 cm perforated galvanized steel with four baffles 75 pounds 34 1 kg dry weight cotton load Motor High Pressure Steam 3 4 H P Non reversing models Low Pressure Steam 3 4 H P Both motors are lifetime lubricated internal overload protected See below for reversing models Boiler High Pressure Steam 6 4 60 BPH Horsepower 154 100 BTU hr 72 1 kg hr 38 833 kCal hr Low Pressure Steam 4 Coil 4 00 BHP 134 000 BTU hr 62 7 kg hr 33 768 kCal hr Electrical Requirements Low Pressure 230 Volt 50 Hertz 1 Phase 8 5 Amp See nameplate for voltage of your tumbler High Pressure 230 Volt 50 Hertz 1 Phase 9 0 Amp Air Flow Low Pressure 950 C F M at 0 5 W C 449 liters sec at 1 25 mBar High Pressure 900 C F M at 0 5 W C 425 liters sec at 1 25 mBar Net Weight 615 Pounds 280 kg approx REVERSING MOTOR SIZES o STAM ELECTRIC 1 3 H P 1 3 H P 1 3 H P 1 2 CYLINDER 1 3 H P 1 3 H P 1 3 1 3 30 412616 SECTION Il Installation Instructions RECEIVING INSPECTION Upon delivery
3. GAS AND HIGH PRESSURE STEAM DRYING TUMBLERS GAS AND HIGH PRESSURE STEAM DRYING TUMBLERS 240 V 1 Phase 50 Hz 380 V 3 Phase 50 Hz Minimum Wire Size 14 AWG 2 081 mm 14 AWG 2 081 mm oes 2 2 Figure 8 ELECTRIC DRYING TUMBLERS NOTE DO NOT use aluminum wire ELECTRIC DRYING TUMBLERS 240 V 1 Ph 50 Hz 240 V 3 Ph 50 Hz 380 V 3 Ph 50 Hz 415 V 3 Ph 50 Hz 2 AWG 33 63 mm 6 AWG 13 32 mm 8 AWG 8 366 mm 8 AWG 8 366 mm Figure 9 36 M412616 30 Pound 13 kg Tumblers LOW STEAM DRYING TUMBLERS LOW PRESSURE STEAM DRYING TUMBLERS Figure 10 GROUNDING INSTRUCTIONS Drying tumbler must be grounded In event of malfunction or breakdown grounding will reduce risk of electric shock by providing a path of least resistance for electric current Drying tumbler must be connected to a grounded metal permanent wiring system or an equipment grounding conductor must be run with circuit conductors and connected to PE Busbar A WARNING To reduce the risk of fire and electric shock check with a qualified serviceman for proper grounding procedures Improper connection of the equipment grounding conductor may result in a risk of electric shock A WARNING To reduce the risk of fire and electric shock if electrical supply is coming from a three phase service DO NOT connect a Stinger Leg to a single phase machine M412616 37 ELECTRICAL
4. A WARNING The tumbler and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 45 kPa The tumbler must be isolated from the gas supply piping system by closing its individual manual shut off valve during any pressure testing of the gas supply Piping system at test pressure equal to or less than 1 2 psig 3 45 kPa M412616 Purge air and sediment from gas service line before connecting it loosely to tumbler Purge remaining air until odor of gas is detected then tighten connection Use pipe compound resistant to actions of L P gas on all pipe threads A WARNING Check all pipe connections internal and external for gas leaks using a soapy solution To reduce the risk of explosion or fire DO NOT USE AN OPEN FLAME TO CHECK FOR GAS LEAKS Gas connections should be checked annually for leakage DRYING TUMBLER ENCLOSURE CONSTRUCTION AWARNING To reduce the risk of serious injury install lockable doors to prevent public IMPORTANT DO NOT block airflow at top rear of tumbler with laundry etc Doing so would prevent adequate air supply to tumbler s heat chamber access to rear of tumblers A typical tumbler enclosure is shown in Figure 23 Note that enclosure does touch tumbler top and side panels Note too minimum and maximum IMPORTANT Install tumblers with sufficien
5. 54 412616 LOADING DOOR SWITCH Loading door switch turns off tumbler any time loading door is opened To adjust loading door switch follow these steps 1 Start tumbler following operating instructions which accompanied it 2 Slowly open loading door Cylinder and heating system should stop when door is open 3 7 5 cm plus or minus 1 4 0 635 cm 3 Slowly close loading door Loading door switch should close with an audible click when loading door is closed 3 7 5 cm plus or minus 1 4 0 635 cm 4 If loading door switch does not close when loading door is closed 3 7 5 cm plus or minus 1 4 0 635 cm a Close loading door completely b Loosen lower screw on switch coupler and rotate switch coupler COUNTERCLOCKWISE until it stops c Tighten lower screw on switch coupler d Return to step 1 to verify loading door switch operation LOADING DOOR SWITCH d SWITCH COUPLER T275IE1A Figure 31 412616 55 CYLINDER DOOR STRIKE The door strike must be adjusted to have sufficient tension to hold loading door closed against force of load tumbling against it Proper adjustment is when 8 to 15 pounds 35 6 N 66 7 N pull is required to open door To adjust open door loosen jamnut and turn door strike screw in or out as required Retighten jamnut DOOR STRIKE 48 1 Figure 32 DRIVE V BELT
6. OR CAP am 2 5 1 NOTE WHERE THE EXHAUST DUCT PIERCES A COMBUSTIBLE WALL MINIMUM OR CEILING AN OPENING HAVING A DIAMETER FOUR INCHES 10 2 cm LARGER THAN THE DIAMETER OF THE EXHAUST DUCT SHALL BE PROVIDED AND THE EXHAUST DUCT CENTERED WITHIN THE OPENING Figure 2 NOTE WHERE THE EXHAUST DUCT PIERCES A COMBUSTIBLE WALL OR CEILING AN OPENING HAVING A DIAMETER FOUR INCHES 10 2 cm LARGER THAN THE DIAMETER OF THE EXHAUST DUCT SHALL BE INSPECTION OR PROVIDED AND THE EXHAUST DUCT CENTERED WITHIN THE OPENING CLEANOUT COVER WALL 2 5 1 cm L MINIMUM N 45 N NO SCREEN gee OR CAP TO56IESB AIR OUT STATION GAS ELECTRIC STEAM 9 oean 14 056 em H 25 635 em c 15 98 4 17 43 2 em 1 26 86 cm MINIMUM DIAMETER MINIMUM DIAMETER DUCT DUCT STATION GAS ELECTRIC STEAM 23 58 4 cm 1 D 17 43 2 cm 20 50 8 J 27 68 6 31 78 119 48 3 22 55 9 cm 29 73 9 33 83 8 21 53 3 24 61 30 76 2 34 86 4 Figure 3 34 M412616 ELECTRICAL REQUIREMENTS For 30 Pound 13 kg Narrow Cabinet Tumblers REQUIREMENTS Electrical Specs Wires Required and Terminal Block Connection Figure 4 GAS DRYING TUMBLERS GAS DRYING TUMBLERS Minimum Wre sze 2061 m 14 AWG 2 0
7. Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 71 7 28 1 4 3 81 1 1 2 DISCONNECT SWITCH 5 114 44 778 ELECTRICAL JUNCTION BOX 183 5 cm 72 1 2 AIR FLOW SWITCH M412616 81 75 cm 32 3 16 80 cm 31 1 2 11 20 3 8 DIAMETER EXHAUST DUCT THIMBLE CONNECTION 2671 30 Pound 13 kg Electric Tumbler Cabinet Finish Electrostatically applied thermosetting polyester Cylinder 30 x 30 76 2 x 76 2 cm perforated galvanized steel with three baffles 30 en 13 6 kg dry weight cotton load H P lifetime lubricated internal overload protected Electrical Requirements 230 Volt 50 Hertz 1 Phase 90 Amp see nameplate for voltage 230 Volt 50 Hertz 3 Phase 54 Amp of your tumbler 380 Volt 50 Hertz 3 Phase 33 Amp 415 Volt 50 Hertz 3 Phase 30 Amp Air Flow 600 C F M at 0 5 W C 283 liters sec at 1 25 mBar Net Weight 450 pounds 204 kg approximate 12 M412616 30 Pound 13 kg Steam Tumbler CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 10 2 cm along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 71 75 cm 28 1 4 3 81 cm 1 1 2 81 75 cm 32 3 16 114 cm 44 7 8 High P
8. Reversing Tumblers DISCONNECT ELECTRICAL SWITCH JUNCTION BOX A DW E CYLINDER MOTOR 2 194 6 76 5 8 20 3 8 DIAMETER EXHAUST THIMBLE CONNECTION 1 m AIRFLOW SWITCH 34cm 13 3 8 13 65 cm gt 5 3 8 lt _ FAN MOTOR 98 1 cm lt 38 5 8 26 412616 20 50 Pound 22 kg Steam Non reversing Tumblers 71 75 cm 28 1 4 194 6 cm 76 5 8 4 Coil 203 2 cm 80 6 Coil 3 81 cm __ 4 1 1 2 lt 81 75 cm 32 3 1 I 119 47 38 7 cm 15 1 4 19 05 cm 7 1 2 1 9 cm 3 4 1 0 STEAM INLET ELECTRICAL JUNCTION BOX 1 9 cm 3 4 1 0 STEAM OUTLET 20 3 cm 8 DIAMETER EXHAUST DUCT THIMBLE CONNECTION 5 3 8 200 cm 78 3 4 6 Coil 184 8 cm 72 3 4 4 Coil 164 5 cm 64 3 4 98 1 cm 38 5 8 T2711E3A M412616 21 50 Pound 22 kg Steam Tumblers Cabinet Finish Electrostatically applied thermosetting polyester Cylinder 37 x 30 94 x 76 2 cm perforated galvanized steel with four baffles 50 pounds 22 7 kg dry weight cotton load Motor High Pressure Steam 1 2 H P Nonreversing Models Low Pressure Steam 3 4 Both motors are lifetime lubricated internal overl
9. W C 472 liters sec at 1 25 mBar Net Weight 550 Pounds 250 kg approximate Calorific Value Natural Gas 8900 kCal m 37 2 MJ m L P Gas 22250 kCal m 93 1 MJ m REVERSING MOTOR SIZES STEAM ELECTRIC 1 3 H P 1 3 H P 1 3 H P 1 2 H P CYLINDER 1 3 H P 1 3 H P 1 3 H P 1 3 H P M412616 25 75 Pound 34 kg Electric Non reversing Tumblers CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 10 2 cm along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 71 75 cm 28 1 4 3 81 1 1 2 97 cm 38 3 16 5 134 6 cm 53 ELECTRICAL JUNCTION BOX 5 i 8 20 3 cm 8 i DIAMETER 5 5 3 8 EXHAUST DUCT THIMBLE CONNECTION AIR FLOW SWITCH I 98 1 cm 38 5 8 273 26 412616 75 Pound 34 kg Electric Reversing Tumblers ELECTRICAL DISCONNECT SWITCH JUNCTION BOX A 022222 E E CYLINDER 9 is 1B 194 6 cm 76 5 8 20 3 cm 8 DIAMETER EXHAUST THIMBLE CONNECTION AIRFLOW SWITCH 34cm 13 3 8 13 65 cm 5 3 8 FAN MOTOR 98 1 cm 7 38 5 8 a T263IE3B 27 M412616 75 Pound 34 kg Electric Tumblers Cabinet Finish Electrostatically applie
10. tumbler air into a window well gas vent chimney or enclosed unventilated area such as an attic wall ceiling crawl space under a building or concealed space of a building FOR BEST PERFORMANCE Provide an individual exhaust duct for each tumbler Do not install a hot water heater in room containing tumblers It is better to have the water heater a separate room with NOTE Do not install wire mesh or screen in this opening as lint will build up and prevent proper discharge of air from tumblers separate air inlet qui qui T075IESA REMOVABLE STRIP OF PANEL IN FRAMING WALL TO PERMIT REMOVAL OF TUMBLER FROM FRAMING WALL TWO TUMBLERS THREE TUMBLERS T108lESA ROOF K 76 2 CM ROOF 30 76 2 cm 7 Y H 1 ees WALL gee 36 INCHES 91 4 cm RECOMMENDED SERVICE AREA eer 24 INCHES 61 0 cm MINIMUM PARTITION OR BULKHEAD T108IE3B CONSULT YOUR LOCAL BUILDING CODE FOR REGULATIONS WHICH MAY ALSO APPLY NOTE Inside of duct shall be smooth Do not use sheet metal screws to join sections Figure 1 M412616 33 VERTICAL EXHAUST INSTALLATION HORIZONTAL EXHAUST INSTALLATION e Jy WALL CONNECT TO 2 5 1 cm rm AL m EXHAUST EXHAUST AIR FLOW OUTLET MAXIMUM LENGTH OF DUCT 14 FEET M 4 3 m CONNECT TO NO SCREEN TUMBLER
11. visually inspect crate carton and parts for any visible shipping damage If crate carton or cover are damaged or signs of possible damage are evident have carrier note condition on shipping papers before shipping receipt is signed or advise carrier of condition as soon as it is discovered Remove crate and protective cover as soon as possible and check items listed on packing list Advise carrier of any damaged or missing articles as soon as possible A written claim should be filed with carrier immediately if articles are damaged or missing IMPORTANT Remove shipping tape from two back draft dampers located in exhaust thimble MATERIALS REQUIRED Obtain Locally GAS ELECTRIC OR STEAM DRYING TUMBLERS e One circuit breaker GAS DRYING TUMBLERS ONLY e One gas shut off valve for gas service line to each tumbler STEAM DRYING TUMBLERS ONLY e One steam shut off gate valve for steam service line to be connected upstream of solenoid steam valve FACILITIES REQUIRED FLOOR Drying tumbler may be installed on any level floor capable of supporting 100 pounds per square foot 488 kg m Floor covering materials such as carpeting or tile should be removed LAYOUT Whenever possible tumbler should be installed along an outside wall where duct length can be kept to a minimum and make up air can be easily accessed M412616 e Two steam shut off gate valves for each condensate return line e Flexible steam hoses wi
12. 12 pins Example 60 5 Pin cam 12 minute cycle REMOVAL OF EXISTING TIMING CAM 1 Rotate cam by hand until V notch lines up beneath the ratchet tooth see Figure 28 2 Insert narrow screwdriver under nylon cam close to the clock shaft Lift gently off shaft Make sure that pressure is directed upward and that the V notch clears the ratchet tooth INSTALLATION OF NEW TIMING CAM 1 Insert drive into timing cam with wide prong in wide hole of cam 2 Position timing cam and drive fork over the timer shaft aligning the timer flat with the drive fork and the V notch with one of the ratchet teeth 3 Press timing cam down firmly to seat timing cam onto the motor shaft LINE UP NOTCH TO CLEAR RATCHET TOOTH LIFT GENTLY WITH NARROW BLADE TO39IE1A Figure 28 4 Remove all accumulated time by turning cam counterclockwise until switch shuts off Apply moderate clockwise pressure to fully seated timing cam and drive against the timing motor shaft Meter must be advanced electrically for one cycle before an accurate measure of time can be made 50 M412616 PRELIMINARY OPERATING CHECKS 1 Remove or open all panels and inspect accessible bolts nuts screws terminals and fittings for security 2 Check belt tension adjust if necessary refer to Adjustment Section 3 Energize electrical circuit to tumbler circuit breaker and turn on tumbler disconnect switch 4 Turn on gas supply at manual gas
13. 186 46 1116 GAS CONNECTION AND SHUT OFF VALVE AIR FLOW SWITCH Standard Models ELECTRICAL zum JUNCTION BOX 20 3 cm 8 2 DIAMETER EXHAUST DUCT THIMBLE CONNECTION Energy Saver 140 7 cm Models 55 3 8 11 3 i 4 7 16 183 5 cm 72 1 4 20 3 cm 8 _ DIAMETER EXHAUST DUCT THIMBLE CONNECTION Standard Models 157 8 cm 62 1 8 AIR FLOW SWITCH Energy Saver Models 55 6 cm 21 7 8 80 cm 31 1 2 266 412616 9 30 Pound 13 kg Gas Tumbler 30 x 30 76 2 x 76 2 cm perforated galvanized steel with three baffles 30 pounds 13 6 kg dry weight cotton load Gas Consumption Energy Saver Models 80 000 BTU per hour 84 4 MJ hr Standard Models 105 000 BTU per hour 110 8 MJ hr Types of Gas Factory equipped with Natural Mixed Gas 6 1 inch water column line pressure 1 62 37 kPa or Liquefied Petroleum gas 11 3 water column line pressure 2 74 07 kPa 600 C F M at 0 5 W C 283 liters sec at 1 25 mBar Net Weight 450 Pounds 204 kg approximate Calorific Value Natural Gas 8900 kCal m 37 2 MJ m L P Gas 22 250 kCal m 93 1 MJ m 10 M412616 30 Pound 13 kg Electric Tumbler CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 10 2 cm along front of machine
14. 5cm 21 6 35cm 21 6 35cm 3 8 89cm 3 8 89cm 3 8 89cm 1 2 54cm 1 2 54cm 1 2 54cm 1 3 18cm 1 3 18cm 1 3 18cm 1 3 81cm 1 3 81cm 2 5 08cm 2 5 08cm 2 5 08cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 3 8 89cm 3 8 89cm 3 8 89cm 3 8 89cm 3 8 89cm 1 2 54cm 1 2 54cm 14 3 18cm 14 3 18cm 14 3 18cm 1 3 81cm 1 3 81cm 2 5 08cm 2 5 08cm 2 5 08 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 8 89cm 3 8 89cm 3 8 89cm 3 8 89cm 3 8 89cm 4 10 16cm M412616 GAS CONNECTIONS Gas Drying Tumblers Before connecting gas piping to tumbler make certain gas service is same as that specified on nameplate near gas connection Page 5 NATURAL GAS service must be supplied at 612 1 inch water column pressure 1 62 37 kPa L P GAS service must be supplied at 11 3 inch water column pressure 2 74 07 kPa If gas service is not same as that specified DO NOT CONNECT THE GAS LINE TO TUMBLER It will first be necessary to convert gas burner orifice and gas valve IMPORTANT Any product revisions or conversions must be made by the Manufacturer s Authorized Dealers Distributors or local service personnel
15. 81 z Figure 5 ELECTRIC DRYING TUMBLERS ELECTRIC DRYING TUMBLERS 240V 50 Hz 1 Ph 240V 50 Hz 3 Ph 380V 50 Hz 3 Ph 415V 50 Hz 3 Ph Amp Rating Circuit Breaker 100 Amp 60 Amp 40 Amp 2 AWG 33 63 mm 6 AWG 13 32 mm 8 AWG 8 366 mm 8 AWG 8 366 mm Figure 6 GROUNDING INSTRUCTIONS Drying tumbler must be grounded In event of malfunction or breakdown grounding will reduce risk of electric shock by providing a path of least resistance for electric current Drying tumbler must be connected to a grounded metal permanent wiring system or an equipment grounding conductor must be run with circuit conductors and connected to PE Busbar A WARNING To reduce the risk of fire and electric shock check with a qualified serviceman for proper grounding procedures Improper connection of the equipment grounding conductor can result in a risk of electric shock A WARNING To reduce the risk of fire and electric shock if electrical supply is coming from a three phase service DO NOT connect a Stinger Leg to a single phase machine M412616 35 ELECTRICAL REQUIREMENTS For 30 Pound 13 kg Tumblers REQUIREMENTS Heat Source Wires Required and Terminal Block Connection Gas amp Steam 290501 12 Ground to PE Busbar Electric 290501 Ground to PE Busbar Electric Ground to PE Busbar Ground to PE Busbar Ground to PE Busbar Figure 7
16. A WARNING To reduce the risk of serious injury or death disconnect power to the tumbler before performing this operation Proper tension is when belt can be depressed approximately 1 2 inch 1 27 cm by applying light thumb pressure at a point midway between the sheave and motor pulley 1 Remove guard from rear of tumbler WARNING To reduce the risk of serious injury or death guard MUST be installed on rear of tumbler after belt adjustment is made POLY V BELT Poly V belt is self adjusting IDLER HOUSING BOLTS 2 ADJUSTING BOLT To adjust belt tension loosen adjusting bolt holding idler housing assembly to housing support To tighten V belt a Loosen lower nut on adjusting bolt b Turn bolt up until belt has proper tension c Tighten upper and lower nut or adjusting bolt To loosen V belt a Loosen top nut on adjusting bolt b Turn bolt down until belt has proper tension c Tighten upper and lower nut or adjusting bolt Replace guard on rear of tumbler Upper belt requires no adjustment since it is self adjusting IDLER HOUSING ASSEMBLY 7 lt 2781 Figure 33 56 M412616 SECTION IV Preventive Maintenance Instructions DAILY 1 Make certain drying cycle has ended 6 Ensure lint screen covers entire opening in lint screen hood Gaps between lint screen and lint 2 Open loading door screen hood allows lint to flow into ductw
17. Amp 230 Volt 50 Hertz 1 Phase 8 0 Amp Energy Saver Models 95 000 BTU per hour 100 2 MJ hr Standard Models 120 000 BTU per hour 126 6 MJ hr Factory equipped with Natural Mixed Gas 6 1 2 1 1 2 inch water column line pressure 1 62 37 kPa or Liquefied Petroleum gas 11 3 water column line pressure 2 74 07 kPa 1 2 inch 12 7 mm N P T Energy Saver Models 390 C F M at 0 5 W C 185 liters sec at 1 25 mBar Standard Models 600 C F M at 0 5 W C 284 liters sec at 1 25 mBar 545 Pounds 247 kg approximate Natural Gas 8900 kCal m 37 2 MJ m L P Gas 22 250 kCal m 98 1 MJ m REVERSING MOTOR SIZES STEAM ELECTRIC 1 3 H P 1 3 H P 1 3 H P 1 2 H P CYLINDER 1 3 H P 1 3 H P 1 3 H P 1 3 H P 16 M412616 50 Pound 22 kg Gas and Steam Reversing Tumblers ELECTRICAL DISCONNECT JUNCTION BOX SWITCH CYLINDER MOTOR A 20 3 cm 8 DIAMETER EXHAUST THIMBLE CONNECTOR Energy Saver Gas Models A 194 76 5 8 146 4 cm 57 5 8 20 3 cm 8 DIAMETER EXHAUST THIMBLE CONNECTION AIRFLOW SWITCH 34 13 3 8 Y 13 65 cm FAN 5 3 8 lt MOTOR lt 98 1 38 5 8 T2641E3B M412616 17 50 Pound 22 kg Electric Non reversing Tumblers CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 10 2 cm
18. ITCH ELECTRICAL 15 24 cm 6 JUNCTION BOX DIAMETER EXHAUST CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 183 52 cm 72 1 4 10 2 cm along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted AIR FLOW SWITCH 71 12 2591 412616 30 Pound 13 kg Narrow Cabinet Electric Tumbler Cabinet Finish Electrostatically applied thermosetting polyester Cylinder 26 5 x 30 67 3 cm x 76 2 cm perforated galvanized steel with three baffles V5 H P lifetime lubricated internal overload protected Electrical Requirements 230 Volt 50 Hertz 1 Phase 90 Amps See nameplate for 230 Volt 50 Hertz 3 Phase 58 Amps voltage of your tumbler 380 Volt 50 Hertz 3 Phase 33 Amps 415 Volt 50 Hertz 3 Phase 30 Amps Air Flow 625 C F M at 0 5 W C 294 liters sec at 1 25 mBar Net Weight 410 Pounds 184 5 kg approximate 8 M412616 30 Pound 13 kg Gas Tumbler CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 10 2 cm along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 71 5 28 1 4 3 81 em 81 75 em 2 316 1 1 2 DISCONNECT lt 114 44 7 8 gt SWITCH 1
19. Installation and Maintenance Instructions for Drying Tumblers 30 Pound 13 Kg Capacity JCB30CG JCB30CSH JCB30CSL JCB30WE JCB30XG SCB30CE SCB30CG SCB30CSH SCB30CSL SCB30WE and SCB30XG 50 Pound 22 Kg Capacity JC50CG JC50CSH JC50EG JCB50CE JCB50CG JCB50CSH JCB50EG SC50CE SC50CG SC50CSH SC50EG SCB50CE SCB50CG SCB50CSH and SCB50EG 75 Pound 34 Kg Capacity JC75CE JC75CG JC75CSH JCB75CE JCB75CG JCB75CSH SC75CE SC75CG SC75CSH SCB75CE SCB75CG and SCB75CSH ATTENTION Please read the enclosed instructions before using the machine KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE If this tumbler changes ownership be sure this manual accompanies the tumbler A copy of the operating instruction must remain with the tumbler after installation To locate the servicer nearest you call 414 748 3121 Part No M412616 1 95 Distributed By Manufactured By Speed Queen Company P O Box 990 Ripon WI 54971 0990 U S A WARNINGS AND LABELS AWARNING FAILURE TO INSTALL MAINTAIN AND OR OPERATE THIS MACHINE ACCORDING TO MANUFACTURER S INSTRUCTIONS MAY RESULT IN CONDITIONS WHICH CAN PRODUCE SERIOUS INJURY DEATH AND OR PROPERTY DAMAGE NOTE The WARNING and IMPORTANT instructions appearing in this manual are not meant to cover all possible conditions and situations that may occur It must be understood that common sense caution and carefulness are factors w
20. LATOR 25 7 6 SAMPLE CALCULATIONS Equivalent Length Total length of main gas supply pipe from Total BTU HR The sum of the BTU HR of all the gas meter to the far end of the tumbler dryers tumblers being fed by the main 25 19 7 6 5 8 gas supply pipe gas supply pipe 44 13 4 m Total Gas Liner 9 x 75 000 675 000 BTU HR Using the table in Figure 22 the main supply pipe diameter should be 2 5 08 cm Figure 21 412616 43 GAS PIPE SIZE REQUIRED FOR 1 000 BTU NATURAL GAS 64 SPECIFIC GRAVITY AT 6 1 INCH WATER COLUMN PRESSURE 1 62 37 kPa GAS APPLIANCES TOTAL BTU HR Kcal hr 100 000 120 000 140 000 160 000 180 000 200 000 300 000 400 000 500 000 700 000 800 000 600 000 151 200 25 200 30 240 35 280 40 320 45 360 50 400 75 600 100 800 126 000 176 400 201 600 900 000 226 800 1 000 000 252 000 1 200 000 302 400 1 300 000 327 600 1 400 000 352 800 1 500 000 378 600 1 600 000 403 200 1 700 000 428 400 1 800 000 453 600 1 900 000 478 800 2 000 000 504 000 2 200 000 554 400 2 400 000 604 800 2 600 000 655 200 2 800 000 705 600 3 000 000 756 000 1 100 000 277 200 34 1 905cm 34 1 905cm 34 1 905cm 34 1 905cm 1 2 54cm 1 2 54cm 1 2 54cm 3 18cm 1 3 18cm 1 3 81c
21. REQUIREMENTS For 50 Pound 22 kg Tumblers REQUIREMENTS Gas amp Steam Steam Electric Electric 380 415 50 3 L1 L3 L3 Ground to PE Busbar Ground to PE Busbar Ground to PE Busbar Ground to PE Busbar Reversing Models Ground to PE Busbar Gas amp Steam Gas amp Steam Electric Electric L1 380 415 50 3 230 50 3 380 415 50 3 L3 L3 Figure 11 GAS AND HIGH PRESSURE STEAM DRYING TUMBLER GAS AND HIGH PRESSURE STEAM DRYING TUMBLERS 208V 240 V 208 240 V 380 415 V 1 50 2 3 Phase 50 Hz 3 Phase 50 Hz 14 AWG 2 081 14 AWG 2 081 14 AWG 2 081 Circuit Breaker ELECTRIC DRYING TUMBLERS NOTE DO NOT use aluminum wire ELECTRIC DRYING TUMBLERS 240 V 3 Phase 380 V 3 Phase 50 Hz 50 Hz Minimum Wire Size 3 AWG 26 67 6 AWG 13 32 mm AMP Rating 78 AMP 48 AMP Figure 13 38 19 Ground to Busbar 13 Ground to Busbar 13 Ground to Busbar 415 V 3 Phase 50 Hz 6 AWG 13 32 mm 45 AMP 50 AMP Figure 12 M412616 50 Pound 22 kg Tumblers LOW PRESSURE STEAM DRYING TUMBLERS LOW PRESSURE STEAM DRYING TUMBLERS 240 V 1 Phase 50 Hz 14 AWG 2 081 mm Circuit Breaker 15 AMP Figure 14 GROUNDING INSTRUCTIONS Drying tumbler must be grounded In event of malfunction or breakdown grounding will reduce risk of electr
22. ST DUCT Minimum recommended THIMBLE for service access CONNECTION Sides 0 Permitted AIRFLOW 7 Standard Models SWITCH M412616 98 1 cm 38 5 8 2721 23 75 Pound 34 kg Gas and Steam Reversing Tumblers ELECTRICAL JUNCTION BOX CYLINDER MOTOR 194 6 cm 76 5 8 20 3 cm 8 DIAMETER EXHAUST THIMBLE CONNECTION AIRFLOW SWITCH A 34 13 3 8 Y Y 13 65 cm FAN gt 5 3 8 lt MOTOR lt 98 1 gt 38 5 8 24 2651 412616 75 Pound 34 kg Gas Tumblers Cabinet Finish Electrostatically applied thermosetting polyester Cylinder 37 x 36 94 x 91 4 cm perforated galvanized steel cylinder with four baffles 75 pounds 34 1 kg dry weight cotton load Motor 3 4 H P lifetime lubricated internal overload protected Non reversing models See below for reversing models Electrical Requirements Nonreversing Models 230 Volt 50 Hertz 1 Phase 9 0 Amp Electrical Requirements Reversing Models 230 Volt 50 Hertz 1 Phase 9 0 Amp Gas Consumption 165 000 B T U per hour 174 1 MJ hr Types of Gas Factory equipped with Natural Mixed gas 6 1 2 A 1 1 2 inch water column line pressure 1 62 A 37 kPa or Liquefied Petroleum gas 11 0 A 3 inch water column line pressure 2 74 A 07 kPa Gas Connection 1 2 inch 12 7 mm N P T Air Flow 1000 C F M at 0 5
23. air flow switch IMPORTANT Air flow switch disc must remain closed during operation If it opens and closes during drying cycle this indicates insufficient air flow through tumbler NO AIR FLOW 0485 AIR SHUTTER ADJUSTING SCREWS AIR SHUTTER ADJUSTING SCREWS T047SE3A TO49SE3A AIR SHUTTER ADJUSTING SCREWS NOTE Burner configuration will differ between the 30 50 and 75 pound tumblers but flame pattern will be as shown Figure 29 412616 Electric Models If switch remains open or pops open and closed during cycle heating system will shut off Cylinder and fan will continue to operate even though air flow switch is malfunctioning Gas Models If switch remains open entire unit will shut down when Push to start button is released Once tumbler starts and continues to run a loss of air flow air flow switch jams bouncing air flow switch will shut entire tumbler down A WARNING To reduce the risk of fire air flow switch operation may be affected by a clogged lint screen lack of make up air obstructions in the vertical recirculation stack or in the customer installed main or collector ducts These conditions must be checked and necessary corrections made before adjusting air flow switch Always adjust air flow at installation Air flow switch operation is controlled by counter weight position on shaft Moving counterweight either increases or decreases air fl
24. along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 71 75 cm 28 1 4 3 81 E 1 1 2 7 81 75 cm 32 3 16 DISCONNECT fig _ SUITED 119 4 cm 47 Bl ELECTRICAL JUNCTION BOX 20 3 cm 8 5 DIAMETER EXHAUST DUCT amp THIMBLE 13 65 cm g 5 3 8 ee AIR FLOW SWITCH 34 13 3 8 98 1 em 38 5 8 T27OIESB 18 M412616 50 Pound 22 kg Electric Tumblers Cabinet Finish Electrostatically applied thermosetting polyester Cylinder 37 x 30 94 x 76 2 cm perforated galvanized steel with four baffles 50 pounds 22 7 kg dry weight cotton load Motor 1 2 H P lifetime lubricated internal overload protected Nonreversing models See below for reversing models Electrical Requirements 230 Volt 50 Hertz 1 Phase 90 Amp see nameplate for voltage 230 Volt 50 Hertz 3 Phase 78 Amp of your tumbler 380 Volt 50 Hertz 3 Phase 48 Amp 415 Volt 50 Hertz 3 Phase 45 Amp 30 000 watts all voltages Long life nichrome wire Air Flow 900 C F M maximum at 5 W C 425 liters sec at 1 25 mBar Net Weight 550 pounds 250 kg approximate REVERSING MOTOR SIZES STEAM ELECTRIC 1 3 1 3 1 3 1 2 CYLINDER 1 3 H P 1 3 1 3 H P 1 3 H P M412616 19 50 Pound 22 kg Electric
25. als Articles that have traces of flammable substances like cooking oil machine oil flammable chemicals or thinner Articles containing wax or cleaning chemicals Fiberglass curtains or draperies unless the label says it can be done AWARNING To reduce the risk of serious injury install lockable door s to prevent public access to rear of tumblers Copyright 1994 All Rights Reserved M412616 1 e gt N AWARNING To reduce the risk of fire electric shock serious injury or death to persons when using your dryer follow these basic precautions Do not allow children to play on or in the tumbler Close supervision of children is necessary when the tumbler is used near children This is a safety rule for all appliances Before the tumbler is removed from service or discarded remove the door to the drying compartment Do not install or store the tumbler where it will be exposed to water and or weather Failure to install maintain and or operate this machine according to the manufacturer s instructions may result in conditions which can produce serious injury death and or property damage Run tumbler with a load before putting tumbler into service Always disconnect the electrical power to the tumbler before servicing Disconnect power by shutting off appropriate circuit breaker or fuse and by turning off the disconnect switch located on the rear of te tumbler All manually oper
26. alve to related steam coil inlet connection with nipples flex hoses unions tee and pressure relief valve See Figure 24 for a typical installation c Install a gate shut off valve in steam supply line Figure 24 Connect shut off gate valve outlet to solenoid steam valve inlet connection AWARNING The flexible steam hoses connecting the solenoid steam valve to the coil inlets must have a 125 psig pounds per square inch gauge 8 79 kg sq cm working pressure A shut off gate valve must be installed upstream from the solenoid steam valve This way steam can be shut off for maintenance purposes or in the event the hose ruptures The steam solenoid valve must be supported so minimum load is exerted on the steam coil inlet connections M412616 INSTALLING STEAM TRAP AND MAKING CONDENSATE RETURN CONNECTIONS Steam trap must be installed and coil outlet connections must be connected to condensate return lines The following steps outline the procedure for installing steam trap and connecting condensate return lines See Figure 24 for a typical installation a Connect a flexible hose to each steam coil outlet Figure 24 b Install a strainer to the ends of each flexible hose c Install a steam trap to each strainer IMPORTANT Steam trap must be installed a minimum of 10 inches 25 4 cm below steam coil outlet connections see Figure 24 d Install a gate shut off valve to each steam trap e Connect to condensa
27. and 195 square inches 1258 sq cm for 75 pound tumblers At a minimum tumblers must have at least 1 in 2 54 cm of opening for every 1000 BTU hr 252 Kcal hr of input rating for proper combustion Example A tumbler with a rated input of 120 000 BTU hr 30 240 Kcal requires 120 in 774 cm of free opening Protective louvers in opening to outdoors can reduce air movement by approximately 4096 Opening must compensate for area taken up by louvers Make up air openings for a room containing tumbler s and or gas fired hot water heater or other gravity vented appliances must be increased sufficiently to prevent downdrafts in any vents when all tumblers are in operation Do not locate gravity vented appliances between tumbler s and make up air openings If it is necessary to duct make up air to tumbler s increase area of work by 2596 to compensate for any restriction in air movement M412616 AWARNING Solvent gases and vapors from dry cleaning machines create acids when drawn through the heater of a drying tumbler These acids are corrosive to the drying tumbler as well as to the laundry load being dried Be sure make up air is free of solvent gases and vapors If the dry cleaning machines are in the same area as the tumbler then the tumbler make up air must come from a source free of solvent gases and vapors AWARNING To reduce the risk of fire and accumulation of combustible gases DO NOT exhaust
28. ated models are factory equipped with an emergency stop button located on the front panel If the emergency stop function is desired on coin operated models an external emergency stop switch may be installed as specified on the machine wiring diagram NOTE Activation of the emergency stop switch stops all machine control circuit functions but does not remove all electrical power from machine NOTE This drying tumbler produces sound rated at 65 dbA The following warning labels will be found on the drying tumbler gt gt peep A clothes dryer produces combustible Do not touch rotating parts lint TUMBLER MUST BE EXHAUSTED OUTDOORS Do not touch surface until it has WARNING cooled Do not operate without guards in CD place 7 DO put articles soiled with flammable liquids or flammable cleaning solvents in dryer 7 DO NOT store or use flammable liquids near this appliance 7 DO NOT spray or store aerosols in the vicinity of this appliance Various chemicals used in laundries contain chlorine some dry cleaning fluids aerosols bleaches When decomposed flame these materials may rapidly corrode and destroy this Disconnect electrical power before appliance Servicing 7 Dryer must be exhausted outdoors and area around dryer must be free of lint because dryer produces combustible lint 7 DO NOT dry articles containing foam rubber plastic or similarly textured rubberlike materials Use fo
29. ction and cleaning of accumulated lint 4 Clean accumulated lint and other debris from front and back motor air vents 5 Shut off gas supply at manual gas shut off valve in gas supply line gas models only Handle of gas shut off valve should be at 90 angle to gas supply line when in OFF position Biannually 1 Deactivate electrical circuit by turning off disconnect switch on rear of tumbler 2 Perform daily cleaning of accumulated lint 3 Perform monthly inspection and cleaning of accumulated lint 4 Perform quarterly inspection and cleaning of accumulated lint 5 Remove or open all panels and check accessible bolts nuts screws terminals and fittings for tightness 6 Shut off gas supply at manual gas shut off valve in gas supply line gas models only Handle of gas shut off valve should be at 90 angle to gas supply line when in OFF position 7 Unlock and open service panel and inspect gas connections for evidence of leakage or loose connections 6 Remove screws holding rear drive guard to back of tumbler 7 Inspect belts for wear and proper tension refer to Adjustments section 8 Reinstall rear drive guard to back of tumbler 9 Energize electrical circuit to tumbler by turning on electrical disconnect switch on rear of tumbler 10 Turn on gas supply at manual gas shut off valve in gas supply line gas models only Handle of gas shut off valve should be parallel with gas sup
30. d thermosetting polyester Cylinder 3 7 x 36 94 x 91 4 cm perforated galvanized steel with four baffles 75 pounds 34 1 kg dry weight cotton load Motor 3 4 H P lifetime lubricated internal overload protected Non reversing models See below for reversing models Electrical Requirements 230 Volt 50 Hertz 3 Phase 77 Amps See nameplate 380 Volt 50 Hertz 3 Phase 50 Amps for voltage of 415 Volt 50 Hertz 3 Phase 45 Amps your tumbler Element 30 000 Watts all models Air Flow 850 C F M at 0 5 W C 401 liters sec at 1 25 mBar Net Weight 555 Pounds 252 kg approximate REVERSING MOTOR SIZES STEAM ELECTRIC 1 3 H P 1 3 H P 1 3 H P 1 2 H P CYLINDER 1 3 1 3 1 3 1 3 28 412616 75 Pound 34 kg Steam Non reversing Tumblers CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 10 2 cm along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 71 75 28 1 4 194 6 cm 76 5 8 4 Coil 203 cm 80 6 Coil 3 81 1 1 2 n 97 cm m E 134 6 53 DISCONNECT SWITCH 19 cm 7 1 2 39 1 cm ri 15 1 4 16 ELECTRICAL JUNCTION BOX REM E 1 9 3 4 a ell STEAM INLET 1 9 cm 3 4 1 0 STEAM OUTLET 5
31. dress of the nearest authorized parts distributor M412616 SECTION 1 Roughing In Dimensions and Specifications 30 Pound 13 kg Narrow Cabinet Gas Tumbler 3 3 8 TO24IESB TOP VIEW OF EXHAUST 3 81 cm 1 1 2 81 76 cm 32 3 1 113 98 cm 44 7 8 258 DISCONNECT SWITCH 15 24 cm 6 DIAMETER EXHAUST d SWITCH I GAS CONNECTION AND SHUT OFF VALVE CLEARANCES Minimum ELECTRICAL to nearest Combustible JUNCTION BOX Material Top 12 30 5 cm Minimum 0 permitted for first 4 183 52 cm 72 1 4 10 2 cm along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 71 12 cm 28 2571 412616 5 30 Pound 13 kg Narrow Cabinet Gas Tumbler Cabinet Finish Electrostatically applied thermosetting polyester Cylinder 26 5 x 30 67 3 cm x 76 2 cm perforated galvanized steel with three baffles Types of Gas Factory equipped with Natural Mixed Gas 6 11 inch water column line pressure 1 62 37 kPa or Liquefied Petroleum gas 11 3 water column line pressure 2 74 07 kPa 370 C F M at 0 5 W C 175 liters sec at 1 25 mBar Net Weight 350 Pounds 159 kg approximate 6 M412616 30 Pound 13 kg Narrow Cabinet Electric Tumbler TO24IESB TOP VIEW OF EXHAUST 1 1 2 76 cm 82 3 16 113 98 cm 44 7 8 258 DISCONNECT SW
32. ening When ducts pass through walls ceilings floors or partitions space around the duct shall be sealed with non combustible material See Figures 1 2 and 3 e Individual Venting For maximum efficiency and performance it is preferred to exhaust tumbler s individually to outdoors At no point may cross area of installed venting be less than cross area of exhaust thimble of tumbler Maximum allowable length of venting is 14 feet 4 3 m and two 90 elbows or equivalent If equivalent length of a duct required for an installation exceeds maximum allowable equivalent length diameter of a round duct must be increased by 10 for each additional 20 feet 6 1 m Cross section area of a rectangular duct must be increased by 20 for each additional 20 feet 6 1 m Table below shows how to determine DUCT DIAMETER 6 15 2 One 90 elbow 7 2 1 m 8 20 3 One 90 elbow 9 3 2 83 m 10 25 4 One 90 elbow 11 6 3 5 12 30 5 cm One 90 elbow 14 4 3 EQUIVALENT LENGTH OF STRAIGHT DUCT Equivalent Length feet m 1 17 x Duct Diameter inches cm Example A 6 inch 15 2 cm diameter duct s equivalent length of 14 feet 4 3 m of duct and two 90 elbows is Equivalent length 14 feet 4 3 m 2 90 elbows 14 feet 4 3 m 7 feet 2 1 7 feet 2 1 m 28 feet 8 5 32 With tumbler in operation airflow at any point in duct mus
33. hich CANNOT be built into this tumbler These factors MUST BE supplied by the person s installing maintaining or operating the tumbler Always contact your dealer distributor service agent or the manufacturer on any problems or conditions you do not understand AWARNING To reduce the risk of fire electrical shock serious injury or death to persons do not operate the tumbler if it does not perform according to these instructions Immediately disconnect electrical service shut off gas supply and contact an authorized service representative Service and repairs are to be performed by authorized service representatives only AWARNING To reduce the risk of fire electrical shock serious injury or death to persons when using the tumbler unit follow these basic precautions Read all instructions before using tumbler DO NOT tamper with controls DO NOT bypass any safety devices Always follow the fabric care instructions supplied by the garment manufacturer Remove laundry immediately after the tumbler stops DO NOT reach into tumbler if cylinder is revolving AWARNING To avoid creating any flammable vapors which may explode ignite or cause corrosive damage DO NOT dry the following materials Articles that have been cleaned in soaked in washed in or spotted with gasoline dry cleaning solvents or other flammable explosive substances Plastics or articles containing foam rubber or similarly textured rubberlike materi
34. ic shock by providing a path of least resistance for electric current Drying tumbler must be connected to a grounded metal permanent wiring system or an equipment grounding conductor must be run with circuit conductors and connected to the PE Busbar WARNING To reduce the risk of fire and electric shock check with a qualified service technician for proper grounding procedures Improper connection of the equipment grounding conductor can result in a risk of electric shock WARNING To reduce the risk of fire and electric shock if electrical supply is coming from a three phase service DO NOT connect a Stinger Leg to a single phase machine M412616 39 ELECTRICAL REQUIREMENTS For 75 Pound 34 kg Tumblers REQUIREMENTS Electrical Specs Wires Required and Terminal Block Connection 230501 ti i2 Greundto Pe Busbar 208 23050 608 Ground to PE Busbar 380 507 Ground to Busbar 2155602 Ground to Busbar 380 503 Ground to Busbar Figure 15 GAS AND HIGH PRESSURE STEAM DRYING TUMBLERS GAS AND HIGH PRESSURE STEAM DRYING TUMBLERS 208V 240 V 208 240 V 380 415 V 1 Phase 50 Hz 3 Phase 50 Hz 3 Phase 50 Hz Minimum Wire Size 14 AWG 2 081 mm 14 AWG 2 081 14 AWG 2 081 mm rout Braker Figure 16 ELECTRIC DRYING TUMBLERS NOTE DO NOT use aluminum wire ELECTRIC DRYING TUMBLERS 380 V 3 Ph 50 Hz 415 V 3 Ph 50 Hz Minimum Wi
35. ill make it possible to disconnect each tumbler for maintenance purposes 2 a Connect conduit encased leads to circuit breaker b Turn disconnect switch on tumbler and open junction box c Insert conduit encased leads through one of the knockout holes in junction box d Connect wire leads to disconnect switch 1 Phase Units Connect one lead to top left connection point Connect other lead to top right connection point 3 Phase Units Connect one lead to each connection point e Connect a ground wire to PE Busbar Figure 19 in junction box 3 Check electrical service phase sequence three phase only as follows a Energize electrical service and momentarily start tumbler Check direction of the cylinder rotation If cylinder rotates clockwise viewed from front phase sequence is correct If cylinder rotates counterclockwise proceed with step b b Disconnect and reverse any two leads at connections 4 Close junction box cover and turn disconnect switch 412616 DISCONNECT SWITCH m i Eee JUNCTION UR NAMEPLATE T260IE1A Figure 18 ELECTRICAL CONNECTIONS em 1900 000000 000000 PE BUSBAR ELECTRICAL DISCONNECT ELECTRICAL DISCONNECT PE BUSBAR GAS AND STEAM MODELS ELECTRIC MODELS 27 Figure 19 41 POSITIONING DRYING TUMBLER Tumbler may be removed from s
36. imately 1 1 2 3 81 cm Adjust if necessary refer to Adjustment Section 9 Turn off tumbler 10 Check air flow switch operation by opening lint panel Heating systems should shut off when lint panel is opened approximately 6 15 24 cm with a full load Coin Operated Tumbler 1 Set temperature selector to HIGH 2 Insert required amount of coins 3 Press and hold in Push to Start Button for approximately three 3 seconds Motor will start and heat system will turn on 4 Near end of cycle a preset 2 1 2 minute cool down cycle will start 5 When metered time expires motor will stop indicating drying cycle is finished Electronic Control Tumbler Tumbler comes equipped with Electronic Control Electronic Control gives owner a variety of programming options To learn how to use Electronic Control consult supplemental manual 5 52 412616 SECTION Adjustments MAIN GAS BURNER AIR SHUTTER All Gas Models NOTICE Both air inlet shutters on burner must be adjusted so sufficient air is metered into system for proper combustion and maximum efficiency Before adjusting inlet shutters be sure that all lint is removed from lint compartment and lint screen Air shutter adjustments will vary from location to location and will depend on vent system number of units installed make up air and line gas pressure Opening
37. kid before moving to Screw four leveling legs back into level adjusting installation location or moved while still attached to fittings from top Slide tumbler to its permanent skid Remove tumbler from skid by unscrewing four location and level Keep tumbler as close to floor as shipping capscrews one at each corner and remove possible All four legs must rest firmly on floor so tumbler from skid Lint panel door will have to be weight of tumbler is evenly distributed Tumbler must removed in order to remove two front capscrews not rock NOTE Do not throw these four capscrews away they are the leveling legs LEVELING DRYING TUMBLER Each tumbler should be leveled within 78 inch level on bottom rib Side to side level should be 3 2 mm from front to rear and inch 3 2 mm from checked by placing a level on front and rear of top side to side Check front to rear level by rotating panel clothes cylinder until one rib is at bottom then place a GAS REQUIREMENTS Gas Drying Tumblers AWARNING To reduce the risk of fire or explosion if the tumbler is to be connected to Liquefied Petroleum L P gas a vent to the outdoors must be provided in the room where the tumbler is installed Size of gas service pipe is dependent upon many variables lengths tees etc Specific pipe size information should be obtained from gas supplier Refer to table in Figure 22 for general pipe size data It is important that equal gas
38. ll Gas Models 53 Air Flow Switch Gas and Electric Models 53 Loading Door Switch 55 Cylinder Door Strike 2 55 Drive 4 422 22 2 56 SECTION IV PREVENTIVE MAINTENANCE INSTRUCTIONS Daily et une 57 atin ree ane ee 57 Quarterly ntt pe nde t en ies 58 Blannually iate erepti 58 Maintenance Check 59 SECTION V DECOMMISSIONING INSTRUCTIONS Decommissioning Instructions 61 NAMEPLATE LOCATION IMPORTANT When writing for information on any tumbler be sure to mention EM model and serial numbers The model and serial numbers will be found on the nameplate as shown on rear of tumbler or underneath the door hinge 238 When writing for information tumbler be sure to mention model and serial numbers The model and serial numbers will be found on the nameplate as shown on the rear of tumbler or underneath the door hinge 276 REPLACEMENT PARTS INFORMATION If replacement parts are required contact the source from whom you purchased your tumbler or contact the Ripon Service Parts Center P O Box 990 Ripon Wisconsin 54971 0990 for the name and ad
39. m 1 3 81cm 1 3 81cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm EQUIVALENT LENGTH 25 50 FT 75 FT 100 FT 125 FT 150 FT 7 63m 15 25 m 22 88 30 50 38 13 m 45 75 m BASED ON 0 3 WATER COLUMN 0 75 mBar PRESSURE DROP FOR LENGTH GIVEN 34 1 905cm 1 2 54cm 1 2 54cm 1 2 54cm 1 2 54cm 1 2 54cm 1 3 18cm 1 3 18cm 1 3 81cm 1 3 81cm 2 5 08cm 2 5 08cm 2 5 08cm 2 5 08cm 2 5 08cm 2 5 08cm 21 6 35cm 21 6 35cm 21 6 35cm 21 6 35cm 21 6 35cm 2 6 35cm 21 6 35cm 2 6 35cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 1 2 54cm 1 2 54cm 1 2 54cm 1 2 54cm 1 2 54cm 14 3 18cm 14 3 18cm 1 3 81cm 1 3 81cm 2 5 08 2 5 08 2 5 08 2 5 08 2 5 08 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 2 6 35cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 7 62cm 3 8 89cm Figure 22 44 1 2 54cm 1 2 54cm 1 2 54cm 1 3 18cm 1 3 18 1 3 18cm 1 3 81cm 1 3 81cm 2 5 08 2 5 08cm 2 5 08cm 2 5 08cm 21 6 35cm 21 6 35cm 2 6 35cm 21 6 35cm 2 6 3
40. m connections M412616 61 5 62 412616
41. mblers CLEARANCES Minimum to nearest Combustible Material Top 12 30 5 cm Minimum 0 permitted for first 4 10 2 cm along front of machine Back 0 24 61 cm Minimum recommended for service access Sides 0 Permitted 3 81 cm 1 1 2 71 75 28 1 4 81 75 22 316 119 4 47 DISCONNECT SWITCH ELECTRICAL JUNCTION BOX 194 6 cm 76 5 8 167 cm 65 3 4 AIR FLOW SWITCH Energy Saver Models M412616 GAS CONNECTION AND SHUT OFF VALVE AIR FLOW SWITCH Standard Models 20 3 cm 8 DIAMETER EXHAUST DUCT THIMBLE CONNECTION Energy Saver Models 20 3 cm 8 DIAMETER EXHAUST DUCT THIMBLE CONNECTION Standard Models 146 37 cm 57 5 8 gt A 34 cm T269IESB 98 1 cm 29 5 8 15 50 Pound 22 kg Gas Tumblers Cabinet Finish Cylinder Motor Nonreversing Models Electrical Requirements Non Reversing Models Electrical Requirements Reversing Models Gas Consumption Types of Gas Gas Connection Air Flow Net Weight Calorific Value Electrostatically applied thermosetting polyester 37 x 30 94 cm x 76 2 cm perforated galvanized steel with four baffles 50 pounds 22 7 kg dry weight cotton load 1 2 H P lifetime lubricated internal overload protected See below for reversing models 230 Volt 50 Hertz 1 Phase 6 0
42. oad protected See below for reversing models Boiler Horsepower High Pressure Steam 6 Coil 4 60 BHP 154 100 BTU hr 72 1 kg hr 38 833 kCal nr Low Pressure Steam 4 Coil 3 00 BHP 134 000 BTU hr 62 7 kg hr 33 768 kCal hr Electrical Requirements Low Pressure see nameplate for voltage 230 Volt 50 Hertz 1 Phase 7 0 Amp of your tumbler High Pressure 230 Volt 50 Hertz 1 Phase 7 0 Amp 380 Volt 50 Hertz 3 Phase 3 0 Amp 415 Volt 50 Hertz 3 Phase 2 5 Amp Air Flow Low Pressure 950 C F M at 0 5 W C 449 liters sec at 1 25 mBar High Pressure 900 C F M at 0 5 W C 426 liters sec at 1 25 mBar Net Weight 4 Coil Tumbler 565 pounds 257 kg approximate 6 Coil Tumbler 580 pounds 263 kg approximate REVERSING MOTOR SIZES STEAM ELECTRIC 1 3 1 3 H P 1 3 H P 1 2 H P CYLINDER 1 3 H P 1 3 1 3 1 3 22 412616 75 Pound 34 kg Gas Non reversing Tumblers 3 81 cm 1 1 2 DISCONNECT SWITCH ELECTRICAL JUNCTION BOX 71 75 cm 28 1 4 m 97 cm 38 3 16 134 6 53 CLEARANCES Minimum to nearest Combustible GAS CONNECTION Material 5 12 30 5 SHUT OFF VALVE Minimum gt 0 permitted for first 4 10 2 cm along front of 20 3 cm 8 machine oe DIAMETER Back 0 24 61 cm T EXHAU
43. ork system restricting air circulation 3 Unlock and remove lint panel 7 Wipe any accumulated lint off thermostat 4 Remove accumulated lint in lint compartment sensing probe Lint buildup on sensing probe will Lint left in lint compartment will be drawn back cause overheating of tumbler onto lint screen and restrict air circulation 8 Replace and securely lock lint panel 5 Clean lint from lint screen If lint screen is torn replace immediately A torn lint screen allows lint to flow into ductwork system restricting air circulation THERMOSTAT SENSING PROBE eee LINT SCREEN 046 Figure 34 MONTHLY 1 Perform daily cleaning of accumulated lint 6 Remove bottom cover from vertical exhaust duct and clean out all accumulated lint 2 Deactivate electrical circuit by turning off electrical disconnect switch on rear of tumbler 7 Reinstall vertical exhaust duct cover 4 Remove exhaust duct from rear of tumbler and 8 Inspect entire duct work assembly and clean out clean out all accumulated lint all accumulated lint 5 Reinstall exhaust duct 9 Energize electrical circuit to tumbler by turning on electrical disconnect switch on rear of tumbler M412616 57 Quarterly 1 Deactivate electrical circuit by turning off disconnect switch on rear of tumbler 2 Perform daily cleaning of accumulated lint 3 Perform monthly inspe
44. ow switch sensitivity MOUNTING BRACKET COUNTERWEIGHT SPRING CLIP AIR FLOW Counterweight should be adjusted so air flow will force disc away from cabinet when lint panel is opened 6 inches 15 24 cm with a full load Adjust air flow switch as follows 1 Load tumbler NOTE This adjustment is much faster to make with one person opening lint panel in front and another adjusting the counterweight in rear of tumbler 2 Start tumbler Open lint panel 6 inches 15 24 cm Airflow disc should move away from cabinet opening switch contacts and shutting off heat system This indicates proper operation and proper adjustment 3 If switch is not opening as described in step 2 it should be adjusted so it is MORE sensitive Depress spring clip and move counterweight toward disc Retest by opening lint panel and continue moving counterweight toward disc until switch operates as described in step 2 4 switch opens BEFORE lint panel is opened proper distance step 2 it should be adjusted so it is LESS sensitive Depress spring clip and move counterweight away from disc Retest by opening lint panel and continue moving counterweight away from disc until switch operates as described step 2 SWITCH ADJUSTING SCREWS REAR PANEL OF A gt ARERR Sou VANE LEVER 7 A SPRING SWITCH LEVER SWITCH CLIP COUNTERWEIGHT 0411 Figure 30
45. ply line when in ON position NOTE Spraying a mild solution of soap and water on joints will cause bubbles to appear on any leaking connections 8 Close and securely lock service panel 9 Open electrical junction box cover and inspect all electrical and grounding connections for security Tighten any loose electrical connections 10 Close electrical junction box cover and energize electrical circuit to tumbler by turning on electrical disconnect switch 11 Turn on gas supply at manual gas shut off valve in gas supply line gas models only Handle of gas shut off valve should be parallel with gas supply line when in ON position 58 M412616 0 MAINTENANCE LI eae TCT Steam Models Only LLLI 1 TT LLLI o dE LL EL LLL o dL LL LL LL Eee BIANNUAL DATES MAINTENANCE Check for loose gas connections Check for loose electrical connections Check for loose steam connections Steam Models M412616 59 5 60 412616 SECTION V Decommissioning Instructions 1 Turn off electrical supply external to machine 2 Turn off electrical disconnect on machine 3 Turn off gas supply external to machine 4 Turn off manual gas shut off valve on machine 5 Turn off steam supply external to machine 6 Remove all electric gas and stea
46. pressure be maintained at all tumbler gas connections This can best be done by installing a one inch pipe gas loop as shown in Figures 20 and 21 42 M412616 Example of Gas Loop Piping IMPORTANT Gas loop piping must be installed as illustrated to equalize gas pressure for all tumblers connected to single gas service Other gas using appliances should be connected upstream from loop lt GAS SPACE HEATER gt MAIN REGULATOR GAS SHUT OFF VALVES DEUS GAS LINE PRESSURE TAP ONE INCH 2 54 cm GAS WATER PIPE HEATERS PRESSURE NOTE Minimum pipe size to GAS LOOP REGULATOR tumbler is 1 2 1 27 cm TO341E3D If required IMPORTANT Line pressure must be maintained at 6 1 2 1 1 2 water column inches 1 62 37 kPa for Natural Gas 11 3 water column inches for L P Gas 2 74 07 kPa with all gas appliances running tumblers water heaters space heaters furnace etc An in line pressure regulator may be required on Natural Gas models if the line pressure exceeds eight water column inches 2 00 kPa pressure with all gas appliances firing Figure 20 Example of Gas Supply Piping NOTE See BTU HR rating GAS on dryer nameplate FURNACE 120 000 BTU HR GAS WATER HEATERS GAS SPACE 400 000 BTU HR each HEATERS GAS lt 70 000 BTU HR MAIN METER REGULATOR GAS TUMBLER DRYERS 75 000 BTU HR each PRESSURE REGU
47. r drying water washed fabrics only DO NOT put articles soiled with vegetable or cooking oil in dryer To reduce risk of accumulating as these oils may not be removed during washing Due to the unsafe concentrations of combustion remaining oil the fabric may catch on fire by itself gases tumbler MUST BE DO NOT reach into the dryer until all moving parts have stopped DO let children play in the dryer EXHAUSTED OUTDOORS M412092 2 M412616 TABLE OF CONTENTS NAMEPLATE LOCATION REPLACEMENT PARTS INFORMATION SECTION I ROUGHING IN DIMENSIONS AND SPECIFICATIONS 30 pound 13 kg Narrow Cabinet Gas Tumblers esee Electric 00 2 2 2744 30 Pound 13 kg Gas Tumblers esses Electric Tumblers ecce Steam Tumblers 2 50 Pound 22 kg Gas Non reversing Tumblers Gas and Steam Reversing Tumblers Electric Non reversing Tumblers Electric Reversing Tumblers Steam Non reversing Tumblers 75 Pound 34 kg Gas Non reversing Tumblers Gas and Steam Reversing Tumblers Electric Non reversing Tumblers Electric Reversing Tumblers
48. re Size 6 AWG 13 32 mm 6 AWG 13 32 mm Creat Breaker Figure 17 GROUNDING INSTRUCTIONS Drying tumbler must be grounded In event of malfunction or breakdown Grounding will reduce risk of electric shock by providing a path of least resistance for electric current Drying tumbler must be connected to a grounded metal permanent wiring system or an equipment grounding conductor must be run with circuit conductors and connected to PE Busbar AWARNING To reduce the risk of fire and electric shock check with a qualified service technician for proper ground procedures Improper connection of the equipment grounding conductor may result in risk of electric shock A WARNING To reduce the risk of fire and electric shock if electrical supply is coming from a three phase service DO NOT connect a Stinger Leg to a single phase machine 40 M412616 ELECTRICAL CONNECTIONS AWARNING All electrical connections should be made by a qualified electrician To reduce the risk of electrical shock de energize the electrical circuit being connected to the tumbler before mak ing any electrical connections Never attempt to connect a live circuit Use the following steps to connect electrical service to the tumbler 1 Install a circuit breaker as close to tumbler as possible If more than one tumbler is being installed a circuit breaker should be provided for each tumbler This w
49. ressure Models DISCONNECT 114 4 cm 45 1 32 SWITCH Low Pressure Models EE es emer 19 05 cm 7 1 2 oh 04 1 9 3 4 ELECTRICAL 1D STEAM OUTLET JUNCTION BOX 1 9 cm 3 4 1 0 STEAM OUTLET To N T 8 5 20 3 cm 8 DIAMETER 5 5 5 EXHAUST DUCT d THIMBLE 80 cm 31 1 2 T268IE3B M412616 13 30 Pound 13 kg Steam Tumbler Cabinet Finish Electrostatically applied thermosetting polyester Cylinder Boiler Horsepower Electrical Requirements see nameplate for voltage of tumbler Net Weight 30 x 30 76 2 x 76 2 cm perforated galvanized steel with three baffles 30 pounds dry weight 13 6 kg cotton load High Pressure 4 coils gt Low Pressure 4 coils 4 coil High Pressure 3 7 Bhp 123 950 BTU hr 58 kg hr 31 235 kCal hr 4 coil Low Pressure 2 6 Bhp 87 100 BTU hr 40 kg hr 21 949 kCal hr Low Pressure 230 Volt 50 Hertz 1 Phase 8 Amp 380 Volt 50 Hertz 3 Phase 3 Amp 415 Volt 50 Hertz 3 Phase 3 Amp High Pressure 230 Volt 50 Hertz 1 Phase 4 Amp 380 415 Volt 50 Hertz 3 Phase 2 Amp Low Pressure 600 at 0 5 W C 283 liters sec at 1 25 mBar High Pressure 600 C F M at 0 5 W C 283 liters sec at 1 25 mBar 470 pounds 214 kg approximate 14 M412616 50 Pound 22 kg Gas Non reversing Tu
50. shut off valve in gas supply line gas models only Handle of gas shut off valve should be parallel with gas supply line when in ON position 5 Press and hold in Push to Start Button for approximately three 3 seconds Release button and open cylinder door Cylinder should stop rotating within seven 7 seconds after door is opened 3 7 5 cm plus or minus 1 4 0 635 cm If cylinder does not stop rotating adjust cylinder door interlock refer to Adjustment Section FINAL OPERATING CHECKS Manual Dual Timer Tumbler 1 Set temperature selector to HIGH and set drying and cool down selectors to their maximum settings 2 Press and hold in Push to Start Button for approximately three 3 seconds Motor will start heat system will turn on drying indicator will light and drying selector will rotate counterclockwise 3 When drying selector reaches zero 0 heat system will shut off drying indicator will turn off cooling indicator will light and cooling selector will rotate counterclockwise 4 When cooling selector reaches zero 0 motor will stop and cooling indicator will turn off indicating drying cycle is finished M412616 51 6 Load tumbler with clothes or clean rags 7 Start tumbler and check burner flame adjust gas inlet shutter if necessary refer to Adjustment Section 8 Check air flow switch operation by opening lint panel Heating system should shut off when lint panel is opened approx
51. shutter increases amount of primary air supplied to burner while closing shutter decreases primary air supply Adjust air shutter as follows 1 Unlock and open access door 2 Start tumbler and check flame pattern Correct air and gas mixture is indicated if flame pattern is primarily blue with small yellow tips and bends to right of heater section See Figure 29 Too little air is indicated if flame is yellow lazy and smokey 3 To adjust air shutter loosen air inlet shutter adjusting screw see Figure 29 4 Open or close air shutter as necessary to obtain proper flame intensity PROPER AIR FLOW INSUFFICIENT AIR FLOW 5 After air shutter is adjusted for proper flame tighten air shutter adjusting screw securely Control panel may have to be removed temporarily to loosen air shutter screws to turn shutter 6 If shutter is correctly adjusted but flame pattern is straight up Figure 29 insufficient primary air is flowing through tumbler and airflow switch is improperly set A flame pattern that flares to right and left Figure 29 indicates no air is flowing through tumbler AIR FLOW SWITCH Gas and Electric Models see Figure 30 Air flow switch is set at factory for proper operation Steam models do not have an air flow switch However if there is a problem with airflow switch it should be adjusted as follows NOTICE Control panel must be in place and access door closed before attempting to adjust
52. switch located on rear of tumbler is open before starting cylinder motor Once cylinder motor is started air flowing through tumbler will cause airflow switch to close Tumbler will purge air from tumbler for 18 seconds Ignition will start by a three second release of gas from gas valve and sparking of ignitor If ignition does not occur TO GAS VALVE SPARK IGNITER during first three seconds ignition control will lockout causing gas valve to close and a red button on ignition control to illuminate To reset ignition system open access door and press red button on ignition control Close and lock access door verify that gas shut off valve is in the on position and return to step three 4 If tumbler will not start remove it from service by turning machine disconnect switch located on rear of tumbler to the off position and turn the gas shut off valve located on rear of tumbler to the off position gas valve handle should be at a right angle to gas line ELECTRONIC IGNITION POWER TO IGNITION SYSTEM 2611 Figure 26 412616 ACCESSORY TIMING INSTALLATION Coin Meter Models No of Pins in Cam Cycle Length Minutes Figure 27 Cams that allow other timer increments are available through your distributor To figure time increments use this formula Timer Motor Speed 60 divided by number of pins on cam Cycle Length minutes Cams are available with 1 to
53. t dimensions Be aware that there may be local codes clearance for servicing and operating see and ordinances which must be complied with Figure 23 NOTICE CLEARANCE OF TUMBLER CABINET FROM COMBUSTIBLE CONSTRUCTION MUST BE A MINIMUM OF 12 INCHES 30 5 cm AT TOP NOTE Shaded areas 4 10 16 cm NUM d indicate adjacent structure 0 CLEARANCE MAXIMUM CLEARANCE PERMITTED FOR FIRST 4 10 16 cm cE TO38IE3B 24 61 cm MINIMUM 36 91 4 cm 0 CLEARANCE RECOMMENDED FOR MAINTENANCE PURPOSES PROVISION FOR MAKE UP Figure 23 46 412616 STEAM REQUIREMENTS Steam Drying Tumblers Size of steam service pipe is dependent upon many variables length tees high pressure system low pressure system etc Specific pipe size information should be obtained from the steam system supplier or a qualified steam fitter STEAM CONNECTIONS Steam Drying Tumblers INSTALLING STEAM SOLENOID VALVE AND MAKING STEAM INLET CONNECTIONS High pressure machines require a constant 80 to 100 psig 5 62 to 7 03 kg sq cm steam service for optimum operation Low pressure machines require a constant 10 to 15 psig 70 to 1 05 kg sq cm steam service for optimum operation The following steps outline procedure for installing steam solenoid valve and connecting steam service a Install a manual shut off gate valve in condensate return line after steam trap for each coil b Connect steam solenoid v
54. t be at least 1200 feet 366 m per minute to insure that lint remains airborne Collector Venting While it is preferable to exhaust tumblers individually to outdoors a main collector duct may be used if it is sized according to Figure 3 NOTE This illustration indicates minimum diameters and should be increased if collector length exceeds 20 feet 6 1 m Collector duct may be rectangular in cross section as long as area is not reduced Provisions should be made for lint removal and cleaning of collector duct Collector duct must be tapered as shown in Figure 3 Individual tumbler ducts must enter the collector duct at a 45 angle in direction of air flow Never connect a tumbler duct at a 90 angle to collector duct Doing so will cause excessive back pressure resulting in poor performance Never connect two tumbler exhaust ducts directly across from each other at point of entry to collector duct Collector system must be designed so static back pressure measured 12 inches 30 5 cm from exhaust thimble does not exceed maximum allowable pressure specified on installation sticker on rear of tumbler Measured with all tumblers running that are vented into collector MAKE UP AIR A tumbler is forced air exhausted and requires provisions for make up air to replace the air exhausted by tumbler Manufacturer s recommended make up air opening for each tumbler is 144 square inches 928 sq cm for 30 and 50 pound tumblers
55. te return lines AWARNING The flexible steam hoses connecting the coil outlet connections and steam traps must have a minimum of 125 psig pounds per square inch gauge 8 79 kg sq cm working pressure A shutoff gate valve must be installed downstream from each steam trap so the condensate return line can be isolated in event a steam trap requires maintenance Each steam trap must be supported so minimum load is exerted on the coil outlet connection STEAM CONNECTIONS Steam Drying Tumblers NOTE See Figure 25 for sizing of steam lines Piping must AX also be sized accordingly for length of runs and number of elbows 30 5 cm 12 RISERS SUPPLY RETURN TRAP WITH BUILT IN STRAINER SOLENOID VALVE Supplied with machine OPTIONAL VACUUM BREAKER CONDENSATE RETURN LINE FROM CHECK SUPPLY LINE VALVE 2621 Figure 24 TUMBLER STEAM PRESSURE MINIMUM STEAM TRAP SIZE MODEL PSI PIPE DIAMETER Pounds Condensate Hour TREES Figure 25 48 M412616 LIGHTING AND SHUTTING DOWN GAS IGNITION SYSTEM 1 Turn machine disconnect switch located on rear of tumbler to the on position 2 Turn gas shut off valve located on rear of tumbler to the on position gas valve handle should be parallel with gas line 3 Start tumbler following operating instructions which accompanied it NOTE Ignition control circuitry will verify airflow
56. th a 125 psig pounds per square inch gauge 8 79 kg sq cm working pressure for connecting steam coils Figures 24 and 25 e Two steam traps for steam coil outlet to condensate return line e One steam pressure relief valve rated at 125 psig 8 79 kg cm Construction must not block airflow at top rear of tumbler Doing so would prevent adequate air supply to tumbler s combustion chamber VENTING For maximum efficiency and minimum lint accumulation tumbler air must be exhausted to outdoors by shortest possible route Proper sized exhaust ducts are essential for proper operation All elbows should be sweep type Do not install elbows with a radius less than shown in table below Exhaust ducts must be assembled so interior surfaces are smooth to reduce accumulation of lint Do not use sheet metal screws to join vent sections Improperly sized or assembled ductwork causes excess back pressure which results in slow drying lint collecting in duct lint blowing back into room and increased fire hazard Exhaust ducts shall be constructed of sheet metal or other noncombustible material Such ducts must be equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than 0 0195 inches 0 495 mm thick Where exhaust duct pierces a combustible wall or ceiling an opening having a diameter of 4 inches 10 2 cm larger than diameter of exhaust duct shall be provided with duct centered in op
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