IPSO TMB795C User's Manual
Contents
1. z 1 i j f TMB803N 1 Serial Plate Conversion Table Multiply By To Obtain Multiply By To Obtain Btu 0 252 kCal Pounds sq inch 0 06895 Bars Btu 1055 Joules Pounds sq inch 0 070 kg sq cm Inch 25 4 Millimeters Pounds lbs 0 454 Kilograms Inches W C 0 036 Pounds sq inch Boiler Horsepower 33 479 Btu hr Inches W C 0 249 kPa Boiler Horsepower 34 5 lbs steam hr lb inch psi 6 895 kPa CFM 0 471 liters second fe 28 32 Liters kw 3414 Btu hr Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 08 44 Tumblers 50 and 75 Specifications and Dimensions Specifications 50 Pound 75 Pound Noise level measured during operation at 63 dBA 69 dBA operator position of 3 3 feet 1 meter in front of machine and 5 2 feet 1 6 meters from floor Net Weight approximate 545 615 Pounds kg 247 279 Cylinder Size 37 x 30 37 x 36 Inches mm 940 x 762 940 x 914 Cylinder Capacity dry weight 50 75 Pounds kg 22 7 34 Air Outlet Diameter 8 8 Inches mm 203 203 Maximum Static Back Pressure 0 5 0 5 W C I mbar 1 3 1 3 z i 750 Gas Steam 60 Hz 920 434 CRM Lisee OW 354 Gas Steam 50 Hz 750 354 pie i Electric 750 354 Motor Horsepower Nonreversing 1 2 3 4 Reversing Fan 1 3 1 3 Cylinder 1 3 1 3 Gas Models Gas Connection 1 2 in NPT 1 2 in NPT Gas Burner Rating 120 000 165 02. Each tumbler must be connected to its own individual branch circuit breaker not fuses to avoid the possibility of single phasing and causing premature failure of the motor s Terminal Block Serial Plate Amps Recommended Circuit Serial Plate Rating oa Nonreversing Reversing Rating A R 240V 50Hz 1ph L1 Neutral and Ground 93 95 125A 1 pole 1 42 4 50 Pound only 200 208V 60Hz 3ph L1 L2 L3 and ground 89 88 125A 3 pole 1 42 4 200V 50HZ 3ph L1 L2 L3 and ground 84 85 125A 3 pole 1 42 4 230V 50Hz 3ph L1 L2 L3 and ground 73 75 100A 3 pole 3 26 7 240V 50HZ 3ph L1 L2 L3 and ground 79 78 100A 3 pole 3 26 7 240V 60HZ 3ph L1 L2 L3 and ground 79 78 100A 3 pole 3 26 7 380V 50 or 60Hz 3ph L1 L2 L3 and ground 47 48 60A 3 pole 6 13 3 400 415V 50Hz 3ph L1 L2 L3 and ground 43 44 60A 3 pole 6 13 3 440V 60Hz 3ph L1 L2 L3 and ground 41 41 51A 3 pole 6 13 3 480V 60Hz 3ph L1 L2 L3 and ground 38 38 50A 3 pole 6 13 3 Table 6 4 08 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 20
3. 08 200 208 240V 60Hz 1ph L1 L2 and ground 7 6 N A 15A 2 pole 14 2 08 230 240V 50Hz 1ph L1 Neutral and ground 6 7 7 0 15A 1 pole 14 2 08 200 208V 60Hz 3ph L1 L2 L3 and ground 3 8 4 3 10A 3 pole 14 2 08 200V 50HZ 3ph L1 L2 L3 and ground 3 5 4 5 10A 3 pole 14 2 08 240V 60HZ 3ph L1 L2 L3 and ground 3 8 4 3 10A 3 pole 14 2 08 230 240V 50Hz 3ph L1 L2 L3 and ground 3 5 4 9 10A 3 pole 14 2 08 380V 50 or 60Hz2 3ph L1 L2 L3 and ground 1 8 2 1 10A 3 pole 14 2 08 400 415V 50Hz 3ph L1 L2 L3 and ground 1 8 2 1 10A 3 pole 14 2 08 440V 60Hz 3ph L1 L2 L3 and ground 1 9 2 1 10A 3 pole 14 2 08 460 480V 60Hz 3ph L1 L2 L3 and ground 1 9 2 1 10A 3 pole 14 2 08 N A Not Applicable Table 5 19 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 08 44 50 and 75 Pound Electric Models Refer to Table 6 NOTE Wire size and breaker ratings were obtained from the Canadian Electrical Code for 75 C wire and are intended for use as a guideline only Electrical connections should be made by a qualified electrical contractor in accordance with all applicable local and national requirements NOTE Electrical specifications below are subject to change without notice Always refer to product serial plate for most current specifications of product being installed Tumblers 50 and 75 NOTE Use copper conductors only NOTE Connect to individual branch circuit NOTE 3 Phase Only
4. 08 400 415V 50Hz 3ph L1 L2 L3 and ground 1 6 2 0 10A 3 pole 14 2 08 440V 60Hz 3ph L1 L2 L3 and ground 1 4 1 9 10A 3 pole 14 2 08 460 480V 60Hz 3ph L1 L2 L3 and ground 1 4 1 9 10A 3 pole 14 2 08 N A Not Applicable Table 4 4 08 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 18 Tumblers 50 and 75 75 Pound Gas and Steam Models Refer to Table 5 NOTE Use copper conductors only NOTE Connect to individual branch circuit NOTE 3 Phase Only Each tumbler must be connected to its own individual branch circuit breaker not fuses to avoid the possibility of single phasing and causing premature failure of the motor s NOTE Wire size and breaker ratings were obtained from the Canadian Electrical Code for 75 C wire and are intended for use as a guideline only Electrical connections should be made by a qualified electrical contractor in accordance with all applicable local and national requirements NOTE Electrical specifications below are subject to change without notice Always refer to product serial plate for most current specifications of product being installed Terminal Block Serial Plate Amps Recommended Circuit PAA aera goei Nonreversing Reversing Racing ANG inr 120V 60Hz 1ph L1 Neutral and ground 13 8 N A 20A 1 pole 12 3 31 200 208V 60Hz 1ph L1 Neutral and ground 7 6 N A 15A 1 pole 14 2
5. COPY or TRANSMIT 4 08 44 Installation Pre Installation Inspection Upon delivery visually inspect the crate carton and parts for any visible shipping damage If the crate carton or cover is damaged or signs of possible damage are evident have the carrier note the condition on the shipping papers before the shipping receipt is signed or advise the carrier of the condition as soon as it is discovered Remove the crate and protective cover as soon as possible and check the items listed on the packing list Advise the carrier of any damaged or missing articles as soon as possible A written claim should be filed with the carrier immediately if articles are damaged or missing IMPORTANT Warranty is void unless tumbler is installed according to instructions in this manual Installation should comply with minimum specifications and requirements detailed herein and with applicable local gas fitting regulations municipal building codes water supply regulations electrical wiring regulations and any other relevant statutory regulations Due to varied requirements applicable local codes should be thoroughly understood and all pre installation work arranged for accordingly 4 08 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Tumblers 50 and 75 10 Tumblers 50 and 75 Tumbler Enclosure WARNING To reduce the risk of severe injury clearance of tumbler cabinet from combustible constructio
6. 00 Btu hrO Mj hr 126 6 174 1 Electric Models Heating Element Rating 21 kW 240 V 50 Hz 30kW Kilowatts kW 30 kW other voltages Steam Models Steam Connection 3 4 in NPT 3 4 in NPT Steam Coil Rating at 100 psig 5 1 6 1 Boiler Horsepower Btu hr 177 500 210 300 recommended operating pressure 80 100 psig 4 08 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 Tumblers 50 and 75 Cabinet Dimensions TMB2210N Models P m F z c D E F G 50 Pound 30 75in 28 75in 28 25 in 33 87 in 47 in 76 625 in 38 625 in 33 in 29 5 in oe and 781 mm 730 mm 717 mm 860 mm 1194 mm 1946 mm 981 mm 838 mm 749 mm ectric P oe 30 75 in 28 75 in 28 25 in 33 87 in 47 in 80 in 38 625 in 33 in 29 5 in eran 781 mm 730 mm 717 mm 860 mm 1194 mm 2032 mm 981 mm 838 mm 749 mm 75 Pound 30 75in 28 75 in 28 25 in 33 87 in 53 in 76 625 in 38 625 in 33 in 35 5 in Gas and 781 mm 730 mm 717 mm 860 mm 1346 mm 1946 mm 981 mm 838 mm 902 mm Electric aa 30 75 in 28 75 in 28 25 in 33 87 in 53 in 80 in 38 625 in 33 in 35 5 in Steam 781 mm 730 mm 717 mm 860 mm 1346 mm 2032 mm 981 mm 838 mm 902 mm A H S and U models prior to Serial No 0308001307
7. On Premise Laundry Planning Handbook B l i a m a m m ig wy 50 and 75 Pound Tumblers Through Serial No 0904002963 Y IPSO Refer to Installation manual for full instructions 4 08 44R3 June 2011 Tumblers 50 and 75 u ccccccccccceccccccsesesescscscscscscececeeecesceseeseesueeseeess 2 Ta b l e of TTPO DUCTION renren a a a EN AN 2 Model Identification 0 0 0 cccecsecsccceeesssssesscecessessessessessesseaees 2 cC on te n t S Specifications and Dimensions cscscsconssrsssessareeivacinadeconsateornnduesavatuss 4 Cabinet Dimensions cccecccccesscccessscececssceceesssececsssseeeesesees 5 Exhaust Outlet Locations cc ccccccccccesscecesssceceessseceesssseeesseees 6 Gas Connection Locations ccccccccsesseseessseceessseceessscesesseseees 7 Electrical Connection Locations ccccccceessecceesseceeeseeeessaes 8 Steam Connection Locations ccccccceessscceesssceeessecssnsseesenes 9 In Stalll AM ON A E A EE E EA EAE AEEA aces 10 Pre Installation Inspection ccccccssecseeeseceteeeeeeeeeesseesseeeeees 10 Tumbler Focloir cunngessiauhevestanecssansas 11 Exhaust Requirements 0 ccccssccecsessceeeeeseecsceeeeeeeesseesseenseeneeeeeeaes 12 Layo Utec n RUA a iat nee 12 Make UP Anarin inon EEA ERa 12 BAE nina a A E A cadedee 12 Individual Venting ccccecceseeeseeseenseesecneeseeceeeeeseeesseeseenseees 13 Manifold
8. V eriting ois 35scosstancdeschesddasdenteesbecderideedepaseativasouteccaendotess 15 50 Pound Gas and Steam Models cccesscecsesseeceesseeesssseeeessses 18 75 Pound Gas and Steam Models ccccceesscccsesseecessseceessseeesssaes 19 50 and 75 Pound Electric Models cccccesscccessseceesssscecessseeesenes 20 Published by permission of the copyright owner All rights reserved No part of the contents of this book may be reproduced or transmitted in any form or by any means without the expressed written consent of the publisher 1 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 08 44 Tumblers 50 and 75 Introduction Model Identification Gas Steam Thermal Oil TMB795C Electric 50 Pound IPD50G2 ITOS50L IPDS0G2 ITO50N IPD50S2 IT050S IPD50S2 IT050T IPD50E2 IT050E 75 Pound IPD75G2 IT075L IPD75G2 IT075N IPD75S2 IT075S IPD75S2 IT075T IPD75E2 IT075E Includes models with the following control suffixes 3V DX4 vended 3X DX4 prep for coin DO DMP OPL 4 08 44 QT dual digital timer RD reversing DMP OPL RQ reversing dual digital timer Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT SD single drop SX single drop prep for coin Tumblers 50 and 75
9. allation exceeds the maximum allowable equivalent length the 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 Refer to Table 1 to determine equivalent venting NOTE The maximum length of a flexible metal duct must not exceed 7 87 ft 2 4 m as required to meet UL2158 claus 7 3 2A 13 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Duct Equivalent Length of Rigid Diameter Straight Duct 6 in 152 mm 8 in 203 mm 10 in 254 mm 12 in 305 mm 14 in 356 mm 16 in 406 mm 18 in 457 mm One 90 elbow 7 ft 2 1 m One 90 elbow 9 3 ft 2 83 m One 90 elbow 11 6 ft 3 5 m One 90 elbow 14 ft 4 3 m One 90 elbow 16 ft 4 9 m One 90 elbow 18 7 ft 5 7 m One 90 elbow 21 ft 6 4 m Equivalent Length feet 1 17 x Duct Diameter inches Table 1 Example A 12 inch 305 mm diameter duct s equivalent length of 14 feet 4 3 m of duct and two 90 elbows is Equivalent Length 14 feet 2 90 elbows 14 feet 14 feet 14 feet 42 feet 12 8 meters With the tumbler in operation airflow at any point in the duct should be at least 1200 feet per minute 366 meters per minute to ensure that lint remains airborne If 1200 feet per minute cannot be maintained schedule monthly inspections and cl
10. and all other models A H N S and U models after Serial No 0308001307 5 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 08 44 Exhaust Outlet Locations Tumblers 50 and 75 TMB811N A B Cc 5 375 in 8 in 13 375 in 137 mm 203 mm 340 mm 4 08 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 6 Tumblers 50 and 75 Gas Connection Locations TMB812N Models Diameter A B 1 2 in NPT 15 5 in 65 75 in 30 Raung 394 mm 1670 mm 1 2 in NPT 15 75 in 65 75 in ra roung 400 mm 1670 mm Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 08 44 Tumblers 50 and 75 Electrical Connection Locations A lt L oer gt GAS AND STEAM ELECTRIC TMB813N Models A B 9 5 in 63 5 in Gas and Steam 241 mm 1613 mm Ema 19 in 64 in SREE 483 mm 1626 mm NOTE These figures are approximate dimensions only 4 08 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 8 Tumblers 50 and 75 Steam Connection Locations lt A TMB814N Diameter 15 25 in 72 75 in 7 5 in 64 75 in Min NPI 387 mm 1848 mm 190 mm 1645 mm 9 Copyright Alliance Laundry Systems LLC DO NOT
11. drying time Construction must not block the airflow at the rear of the tumbler Doing so would prevent adequate air supply to the tumbler s combustion chamber Make Up Air A tumbler is forced air exhausted and requires provisions for make up air to replace the air exhausted by the tumbler IMPORTANT Do not obstruct the flow of combustion and ventilation air Make up air openings should be as close to the tumbler s as possible The required make up air opening to the outside for each tumbler is Required Make Up Air Opening to the outside for Each Tumbler Model Opening 50 Pound 144 in 928 cm 75 Pound 195 in 1258 cm Make up air openings with louvers will restrict airflow The opening must be increased to compensate for area taken up by louvers 4 08 44 Tumblers 50 and 75 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 of the 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 the tumbler s increase the area of the ductwork by 25 to compensate for any restriction in air movement Venting WARNING To reduce the risk of fire due to increased static pressure we do not recommend installation of in line secondary lin
12. e 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 Local codes may require additional thickness Where the exhaust duct pierces a combustible wall or ceiling the opening must be sized per local codes The space around the duct may be sealed with noncombustible material Refer to Figure 2 IMPORTANT For best performance provide an individual exhaust duct for each tumbler Do not install a hot water heater in a room containing tumblers It is better to have the water heater in a separate room with a separate air inlet Individual Venting For maximum efficiency and performance it is preferred to exhaust tumbler s individually to the outdoors IMPORTANT At no point may the cross sectional area of installed venting be less than the cross sectional area of the exhaust outlet of the tumbler The exhaust duct must be designed so the static back pressure measured 12 inches 305 mm from the exhaust outlet does not exceed the maximum allowable pressure specified on the installation sticker on the rear of the tumbler NOTE Static back pressure must be measured with the tumbler running The maximum allowable length venting of the same diameter as the exhaust thimble is 14 feet 4 3 m and two 90 elbows or equivalent If the equivalent length of a duct required for an inst
13. eaning of the ductwork 4 08 44 Tumblers 50 and 75 TMB2103N 1 Removable strip of panel in framing wall to permit removal of tumbler from framing wall 2 Partition or bulkhead 3 Minimum distance between exhaust opening and roof ground or other obstruction 36 in 914 mm 4 2 in 51 mm minimum clearance on both sides of duct 5 Exhaust airflow maximum length of duct 14 ft 4 3 m Figure 2 NOTE Do not install wire mesh or screen in NOTE Inside of duct must be smooth Do not use exhaust duct opening to avoid lint build up or sheet metal screws to join sections impacting proper discharge of air from tumblers an Consult your local building code for regulations which NOTE Where exhaust duct pierces a combustible may also apply wall or ceiling the opening must be sized per local codes 4 08 44 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 14 Tumblers 50 and 75 Manifold Venting While it is preferable to exhaust tumblers individually to the outdoors a main collector duct may be used if it is sized according to Figure 4 and Figure 5 This illustration indicates minimum diameters which should be increased if the collector length exceeds 14 feet 4 3 meters and two 90 elbows The diameter of a round duct must be increased by 10 for each additional 20 feet 6 1 meters Cross sectional area of arectangular or
14. let duct diameter combustible wall or ceiling the opening 3 45 typical MUST be sized per local codes TMB2019N Duct Station A Figure 4 8 in 203 mm Duct 8 in 203 mm 12 in 305 mm 15 in 381 mm 17 in 432 mm 19 in 483 mm 21 in 533 mm 23 in 584 mm Zr Qa inm m oul a w 25 in 635 mm 26 in 660 mm 27 in 686 mm ry A Oo 29 in 737 mm 30 in 762 mm 4 08 44 Table 2 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 16 Tumblers 50 and 75 CONTINUE CONTINUE TOA TOA _ _ SS TWO MANIFOLD ASSEMBLIES 3 TMB2018N 1 NOTE Where the exhaust duct pierces a 2 Outlet duct diameter combustible wall or ceiling the opening 3 45 typical MUST be sized per local codes Figure 5 Duct Station 8 in 203 mm Duct A 13 in 330 mm B 17 in 432 mm Cc 18 in 457 mm D 24 in 610 mm E 27 in 686 mm F 30 in 762 mm G 33 in 838 mm H 34 in 864 mm l 37 in 940 mm J 39 in 991 mm K 40 in 1016 mm L 42 in 1067 mm Table 3 17 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 08 44 50 Pound Gas and Steam Models Refer to Zable 4 NOTE Wire sizes were obtained from the Canadian Electrical Code for 75 C wire and are intended for use as a guideline only Electrical connections
15. n must conform to the minimum clearances OO ooo ON al a 8 TMB2131N NOTE Shaded areas indicate adjacent structure 1 0 5 in 13 mm recommended between machines for removal or installation 2 Allow 2 4 in 51 102 mm opening at top of machine to aid in removal or installation A removable trim piece may be used to conceal the opening zero clearance allowed for trim 4 in 102 mm maximum header thickness 12 in 305 mm minimum clearance permitted for remainder Guard Provision for make up air 24 in 610 mm minimum 36 in 914 mm recommended for maintenance purposes CoN OO A kh W 0 25 in 6 mm recommended for removal or installation purposes zero clearance allowed Figure 1 11 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 4 08 44 Exhaust Requirements A drying tumbler produces combustible lint To reduce the risk of fire the tumbler must be exhausted to the outdoors W057 To reduce the risk of fire and accumulation of combustible gases DO NOT exhaust 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 W059 Layout Whenever possible install tumblers along an outside wall where duct length can be kept to a minimum and make up air can be easily accessed Elbows and long vents tend to increase
16. should be made by a qualified electrical contractor in accordance with all applicable local and national requirements Tumblers 50 and 75 NOTE Electrical specifications below are subject to change without notice Always refer to product serial plate for most current specifications of product being installed NOTE Use copper conductors only NOTE Connect to individual branch circuit NOTE 3 Phase Only Each tumbler must be connected to its own individual branch circuit breaker not fuses to avoid the possibility of single phasing and causing premature failure of the motor s Terminal Block Serial Plate Amps Recommended Circuit Serial Plate Rating Connections Wire Size Required Nonreversing Reversing Breaker Rating AWG mm 120V 60HZz 1ph L1 Neutral and ground 9 3 N A 15A 1 pole 14 2 08 200 208V 60Hz 1ph L1 Neutral and ground 5 1 N A 10A 1 pole 14 2 08 200 208 240V 60Hz 1ph L1 L2 and ground 5 1 N A 10A 2 pole 14 2 08 230 240V 50Hz 1ph L1 Neutral and ground 6 3 6 9 15A 1 pole 14 2 08 200 208V 60Hz 3ph L1 L2 L3 and ground 2 8 4 0 10A 3 pole 14 2 08 200V 50Hz 3ph L1 L2 L3 and ground 3 3 4 2 10A 3 pole 14 2 08 240V 60Hz 3ph L1 L2 L3 and ground 2 8 4 0 10A 3 pole 14 2 08 230 240 V 50Hz 3ph L1 L2 L3 and ground 3 1 4 3 10A 3 pole 14 2 08 380V 50 or 60Hz 3ph L1 L2 L3 and ground 1 6 2 0 10A 3 pole 14 2
17. square duct must be increased 20 for each additional 20 feet 6 1 meters Refer to Table 2 and Table 3 to determine equivalent ducting sizing The collector duct may be rectangular or square in cross section as long as the area is not reduced Provisions MUST be made for lint removal and cleaning of the collector duct The vent collector system must be designed so the static back pressure measured 12 inches 305 mm from the exhaust outlet does not exceed the maximum allowable pressure specified on the installation sticker on the rear of tumbler Static back pressure must be measured with all tumblers vented into the collector operating 15 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT NOTE Never connect a tumbler duct at a 90 angle to the collector duct Refer to Figure 3 Doing so will cause excessive back pressure resulting in poor performance Never connect two tumbler exhaust ducts directly across from each other at the point of entry to the collector duct With the tumbler in operation airflow at any point in the duct should be at least 1200 feet per minute 366 meters per minute to ensure that lint remains airborne If 1200 feet per minute cannot be maintained schedule monthly inspections and cleaning of the ductwork OR T4381 Figure 3 4 08 44 Tumblers 50 and 75 l H G Did hel hfe fd a 3 ONE MANIFOLD ASSEMBLY NOTE Where the exhaust duct pierces a 2 Out
18. t filters or lint collectors If secondary systems are mandated frequently clean the system to assure safe operation IMPORTANT Installing in line filters or lint collectors will cause increased static pressure Failure to maintain the secondary lint system will decrease tumbler efficiency and may void machine warranty For maximum efficiency and minimum lint accumulation tumbler air must be exhausted to the outdoors by the shortest possible route Proper sized exhaust ducts are essential for proper operation All elbows should be sweep type Exhaust ducts must be assembled so the interior surfaces are smooth so the joints do not permit the accumulation of lint DO NOT use plastic or thin foil flexible ducts rigid metal ducts are recommended Use exhaust ducts made of sheet metal or other noncombustible material DO NOT use sheet metal screws or fasteners on exhaust pipe joints which extend into the duct and catch lint Use of duct tape or pop rivets on all seams and joints is recommended if allowed by local code Verify that old ducts are thoroughly cleaned out before installing new tumbler s A wane Improperly sized or assembled ductwork causes excess back pressure which results in slow drying lint collecting in the duct lint blowing back into the room and increased fire hazard W355 Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 12 Tumblers 50 and 75 NOTE Exhaust ducts must b
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