OWNER`S MANUAL - Jon-Don
Contents
1. OWNER S MANUAL SAFETY WARRANTY OPERATING INSTRUCTIONS MAINTENANCE TURBOVENT 48 TURBOVENTS INTERAIR DRYING SYSTEMS For Walls Floors and Other Structural Areas PURCHASE DATE ___________________________________ SERIAL NO ____________________________________________ DEALER ________________________________________________________________________________________________________________ THIS MANUAL CONTAINS IMPORTANT SAFETY WARNINGS PLEASE READ THESE WARNINGS BEFORE USING THE TURBOVENT AND SAVE THIS MANUAL FOR FUTURE REFERENCE 2 DRI EAZ PRODUCTS 15180 Josh Wilson Road Burlington WA 98233 www dri eaz com 360 757 7776 TABLE OF CONTENTS SAFETY INFORMATION 2 WARRANTY 2 PRINCIPLES OF OPERATION 3 INSTALLING A TURBOVENT 48 3 INSTALLING MINI TURBOVENTS 4 APPLICATION 1 DRYING WALL INTERIOR CAVITIES 4 APPLICATION 2 DRYING WALL amp CEILING SURFACES 5 APPLICATION 3 DRYING CEILING CAVITIES 7 APPLICATION 4 DRYING WITH DUCTED AIR 7 APPLICATION 5 DRYING HARDWOOD FLOORS 7 MAINTENANCE 11 MOISTURE CONTENT MAP 112. Congratulations on your selection of the TurboVent 48 or Mini TurboVent system for drying walls floors and ceilings It is our goal at Dri Eaz Products to offer you a product that will provide a profitable return on your investment We invite your written appraisal and suggestions for improvements Reading this Owner s Manual will help you achieve maximum results when drying structures This manual uses the word TurboVent to mean both the Turbo Vent 48 and Mini TurboVents SAFETY INFORMATION We strongly advise that you read your TurboDryer Owner s Manual before operation Please pay particu lar attention to the safety information Failure to observe the safety warnings in your manual can result in injury to persons fire damage or damage to the TurboDryer To reduce the risk of electrical shock fire or personal injury read and follow each of the warnings in your manual before using TurboDryers Keep TurboDryers Grounded Always operate TurboDryers with the three pronged grounding plug and a grounded electrical outlet Never remove the three pronged plug use an ungrounded extension cord or use an ungrounded adapter The grounding pin on the TurboDryer s plug is an essential safety feature that helps reduce the risk of shock or fire in the event of an electrical hazard Keep Children Away Do not allow children to play with or around the TurboDryers Be sure that TurboDryer is inaccessible to children when left unatte
3. The opening cut should be approximately 3 16 wide and run the length of the area to be dried Cut a second opening on the opposite wall to allow the moist air to escape Observe all recommended safety precautions when using equipment of this type If you encounter a room without any baseboards install new ones to cover the openings after the job is complete When estimating such a job remember to include the cost of new baseboard plus installation 5 Install TurboVents or Mini TurboVents Install TurboVents or Mini TurboVents according to directions above 6 Cover Excess Openings With the TurboVents in stalled cover the excess ventilation openings Use duct tape or an adhesive backed foam tape to cover ventilation openings next to but not covered by the TurboVent itself This will ensure that air is forced under the flooring Ventila tion openings along the wall opposite TurboVents will be left uncovered to allow moist air to freely flow out 7 Install TurboDryer Operate TurboDryer on high speed according to directions in the TurboDryer manual Be sure to use a TurboDryer with sufficient static pressure capacity for this job such as the Sahara Pro HP 8 Install Dehumidifiers Commercial grade DrizAir Refrigerant or DriTec Desiccant Dehumidifiers should be installed to reduce humidity and significantly speed the drying process Circular jamb saw used to cut ventilation openings Cover ventilation openings Wh
4. This is done by repainting with a mixture of the matching paint and a small amount of drywall taping compound On a textured wall you can use a paint roller with a 1 nap to effectively apply this mixture The first coat will tend to have a dull finish and it may be necessary to give the wall a second coat of paint Care should be taken when assessing the damage of any wall The homeowner may not want a wall cover ing perforated The paint or wall paper may be no longer available and some wall papers are extremely costly to replace Such considerations should be taken when estimating the job In these cases if the exterior wall covering is in good condition you may consider using the TurboVent to dry the wall from the inside out See the Application on drying Wall Cavities CAUTION Always check for wiring and plumbing when cutting openings into walls floors or ceilings APPLICATION 3 DRYING CEILING CAVITIES WITH MINI TURBOVENTS An important application of Mini TurboVents is for drying the cavities between ceiling joists Mini TurboVents force air into a ceiling cavity through holes cut into the drywall between joists The air then flows into the interior cavities This airflow circulates across wet insulation drywall and wood framing It helps ensure that the ceiling cavity is completely dried and prevents secondary damage from the development of mold mildew and wood rot made possible from trapped moisture It speeds dry
5. can be completely dried thereby eliminating the need for expensive removal and replacement Frequently after drying some refinishing will be required This manual is not intended to provide in struction on hardwood refinishing If you would like more information on hardwood flooring installation and finishing skills we suggest you contact National Wood Flooring Association 233 Old Meramec Station Road Manchester MO 63021 Phone 800 422 4556 OR National Oak Flooring Manufacturers Assoc NOFMA P O Box 3009 Memphis TN 38173 Phone 901 526 5016 Effects of Moisture on Hardwood techniques apply to 3 4 inch oak plank or strip hardwood flooring Hardwood floors when subjected to water can stain buckle cup or crown This is caused by the natural ability of the wood to absorb moisture Hardwood flooring is kiln dried by mills to an average moisture content of 6 to 9 MC This is the typical moisture content of wood products found in household environments The moisture content of wood however is constantly changing it seeks equilibrium with the changing humidity of the air This is why you may encounter moisture contents higher than 9 A mois ture meter such as a Moisture PRO should be used to determine levels of moisture in materials Grooves in the bottom of hardwood flooring strips allow airflow to dry both the hardwood and the subflooring Moisture levels in wood vary from one location to another dependin
6. having a very low permeance ability to let moisture pass through These two characteristics of hardwood flooring can effectively trap moisture Cupping and crowning action of wet flooring strips provides subsurface air cavities and allows greater air flow Impermeable floor finishes are an obstacle to effec tive evaporation to drying the wood beneath With TurboVents the contractor is able to direct a high vol ume airflow underneath the wood flooring to rapidly dry the hardwood from the unfinished subsurface side Subsurface Drying of Hardwood Floors Air travels from the TurboDryer through the Turbo Vent to the subsurface side of the flooring The air is forced beneath the floor via a narrow ventilation opening cut in the flooring strips along a wall Under neath the flooring the air flows the length of the floor through channels manufactured into the bottom of each strip of hardwood Floor plan with TurboDryers and TurboVents in place The buckling action caused by swelling of the flooring also creates temporary passages through which air can flow The air flow through these channels to emerge from the opposite side of the room It discharges from another narrow ventilation opening cut in the flooring at the opposite wall These ventilation openings are later covered by base board or molding Steps to Subsurface Dry Hardwood Floors 1 Select Location The TurboVent must be located against a wall Choose a wall where the floo
7. boards may be normal If the wood is abnormally dry at completion of the drying process these cracks may disappear as dehumidification equipment is removed and normal humidity increases MAINTENANCE TurboVents require very little maintenance For best performance keep unit clean and dry Inspect TurboVents periodically for cracks holes and tears in the rubber trim and repair as necessary LEVELS OF MOISTURE CONTENT FOUND IN INTERIOR WOOD In each pair of figures the first is the percentage of average moisture content for wood used indoors during January and the second is the percentage of average moisture content during the month of July Interior heating and weather variations result in lower moisture levels during the Winter months and higher moisture levels during the Summer months
8. bor intensive job that sometimes can be avoided by using a simple wallpaper perforating tool This is a small roller with imbedded sharpened metal spikes When the surface of the wall is rolled with this tool it creates thousands of small holes from which water vapor can escape by evaporation It is recommended that the condition and cost of replace ment be evaluated before perforating wallpaper Steps for Drying Wall amp Ceiling Surfaces 1 Mount the TurboVent to the Wall Turn the TurboVent upside down so that the label is facing toward the floor Attach the TurboDryer to the TurboVent and the TurboVent to the wall according to the instructions given under Attaching TurboVent to TurboDryer 2 Start TurboDryer and Install Dehumidifiers Start the TurboDryer according to instructions in manual Install commercial grade DrizAir dehumidi fiers to reduce humidity and significantly speed the drying process Perforation Roller used to perforate paint or wallpaper on a wall for increased permeability and faster evaporation 3 Monitor Progress A Moisture Pro non destructive meter may be used to periodically check the drying process This will help to determine if there is a need to relocate the TurboVent system to reach slow drying areas NOTE The high speed airflow from the TurboDryer can cause ripples in wet paint Adjust the speed to prevent rippling 4 Repair Wall Surfaces Perforations made on painted walls can be repaired
9. ched can dry many areas Ducting from the snout adapter can be placed in different compartments of built ins such as cabinets to speed drying of these difficult to reach areas To introduce moving air into a crawl space that is otherwise difficult to reach introduce the end of one or more pieces of ducting into a hole in the floor and into the crawlspace Such a hole may be available if a forced air heating vent and a piece of the heating duct is removed Drying Above Suspended Ceilings 1 Locate Moisture Problems Use visual inspection plus an appropriate moisture meter to locate moisture above suspended ceiling 2 Install Mini TurboVent Ducting Displace a ceiling panel and insert the end of a piece of ducting running from the TurboDryer WITHOUT a Mini TurboVent attached 3 Monitor Progress The air from the ducting will speed drying in the suspended ceiling area Use a moisture meter to periodically check the drying progress CAUTION Use only TurboDryers from Dri Eaz Products Inc with TurboVents Other brands have not been tested by Dri Eaz and may experience a motor temperature rise that is unsafe in high pressure applications APPLICATION 5 DRYING HARDWOOD FLOORS TurboVents are very effective for drying water damaged hardwood flooring Traditional restoration practice at one time was to remove and replace all water damaged hardwood flooring despite the extreme cost With TurboVents most types of hardwood floors
10. en drying hardwood or structural wood the DriTec Desiccant is recommended because of its capacity to reduce interior humidity even below 5 Rh Such exceptionally low humidity speeds up the drying of moisture from dense materials which give up moisture slowly 9 Monitor Progress As drying progresses swelling and buckling should subside TurboVents may have to be moved occasion ally to reach slow drying sections of floor A moisture meter should be used to check and monitor the moisture content of flooring 10 Completing the Job After the flooring is dry the floor may need to be sanded and refinished by a qualified technician Upon completion of refinishing the baseboards and moldings should be replaced to cover the ventilation gaps Effective Drying Area of Hardwood Flooring One TurboVent 48 can effectively dry a section of floor 48 inches or 4 feet wide each Mini TurboVent can dry a section 24 inches or 2 feet wide Either method will dry a section of flooring approximately 10 to 12 feet long If the section of floor is longer than 12 feet you may need to use TurboVents at one end and then move them to the opposite end of the floor Always check drying progress with a good moisture meter Never direct two TurboVents towards one another on the same section of floor the airflows collide and defeat each other lowering evaporation Typically any major water damage will require multiple TurboVents An important point to remembe
11. g on the local climate See the Moisture Content Map at the end of this manual Hardwood expands in width in direct proportion to the amount of water absorbed Hardwood flooring strips will cup as they expand away from the water Thus if the water is exposed to the surface the cupping action is concave dish shaped Or if the moisture is entering from the bottom surface the flooring will cup upwards in a convex shape or crown Eventually if left unattended cupped or crowned hardwood will become permanently stressed and damaged NOTE The length of time that the wood remains saturated is a major factor in the amount of permanent damage to hardwood flooring It is strongly recom mended that the drying process be started as soon as possible to prevent permanent damage With immediate attention however the properly equipped restoration professional can often prevent permanent damage to wood flooring exposed to water Using advanced restoration techniques cupped and crowned oak flooring can be restored to its original attractive state without visible or permanent damage Problems in Drying Hardwood Flooring TurboVent drying helps the contractor overcome two factors that interfered with the ability to dry hardwood flooring First it is nearly always nailed to sub flooring preventing adequate access to the sub surface side Secondly the attractive finishes applied to the surface of the wood are very effective moisture barriers
12. hey are pointed horizontally or side to side Fit the Adapter over the snout Press the black knobs so the hooks go slightly inward and hook onto the ring of the grill for strongest attachment If the TurboDryer has a plastic grill 2 position the hooks so they are pointed vertically or up and down Fit the Adapter over the snout Press the black knbs so the hooks fasten to any part of the grill The Adapter fits very snugly over the snout of the TurboDryer to minimize air leakage Cut ducting to fit the job situation 50 feet of standard 4 inch residential dryer ducting also available locally at hardware stores is included For example the 50 ft piece could make two 20 ft plus one 10 ft sections or two 15 ft plus one 20 ft sections Attach ducting with regular duct clamps six provided that adjust with a screwdriver or nutdriver If using just one or two pieces of ducting cover the unused outlet s of the snout adapter with a vinyl cap and duct clamp to prevent the escape of air Place Mini TurboVent firmly into position Be sure each Mini TurboVent is in the correct position with the air opening facing up to dry walls with a sheet of air or down when forcing air into wall cavities or under hardwood floors Typical Mini TurboVent installation Each Mini TurboVent can be fastened to a wall ceiling or built in using drywall or other type screws When attaching to a wall angle the screws downward so they enter the
13. ilibrium with the humidity in the air The dryer the air the faster the water evaporates from the wood Dehumidification equipment significantly speeds the drying process DrizAir refrigerant dehumidifiers will often reduce relative humidity to about 40 A DriTec desiccant dehumidifier may reduce humidity to under 10 which is very helpful in rapid drying of all woods including hardwood floors Tenting a Hardwood Floor Tenting a hardwood floor can speed drying even when TurboVents are used The aim when tenting is to reduce the amount of air being dried Any dehumidifier and especially a DriTec Desiccant will reduce the humidity lower under a tent than when forced to dry an entire room or structure Cover the affected area with sheet plastic and fasten securely with 2 painter s tape or other method TurboVents may be covered completely by the tent so they use the super dry air A DrizAir refrigerant dehumidifier may sometimes be completely covered by the tent to trap the dry air it is producing However the temperature under the tent must be monitored and not allowed to exceed 100 F 38 C When using a DriTec desiccant dehumidifier place the DriTec outside the tent and duct the warm dry process air into one corner of the tent Connect a duct to another corner of the tent and fasten the other end to the air inlet filter of the DriTec This forms a closed loop that continuously dries the air under the tent and can b
14. lated out of a wall cavity from small holes made near the ceiling Drill one or more 1 2 holes through drywall or plaster between the studs These can later be filled and painted The step of creating ventilation openings may not be needed especially in walls with studs that are not completely straight or when studs have plentiful openings for wiring or plumbing so that air easily leaks from one cavity to the next This step may be more necessary when drywall is glued to studs Both the TurboVent 48 shown here and Mini TurboVents can force air into wall cavities to dry wet materials Some commercial buildings use suspended ceiling tiles above which the drywall ends leaving an open area for ventilation If this is the case no ceiling venti lation holes will be needed Simply make certain that the ceiling tiles are dislaced to allow for ventilation 6 Install TurboDryer Operate the TurboDryer on high speed according to directions in the TurboDryer manual Be sure to use a TurboDryer with sufficient static pressure capacity for this job For example a 1 hp Sahara Pro will force more air into a cavity than a 4 hp Sahara 7 Install Dehumidifiers Commercial grade DrizAir or DriTec dehumidifiers should be installed to reduce humidity and significantly speed the drying process 9 Monitor Progress Periodically check the moisture content of the materials inside the wall or built in using a profes sional moisture meter such as
15. nded Secure all areas in which TurboDryers are left unattended while running CAUTION Only TurboDryers from Dri Eaz Products Inc can be used with TurboVents Other brands of airmovers have not been tested by Dri Eaz and may experience a motor temperature rise that is unsafe in high pressure applications Dri Eaz claims no responsibility if the TurboVent is used with other than Dri Eaz Turbo Dryers The Snout Adapter for Mini TurboVents fits only the Sahara TurboDryer WARRANTY One Year Warranty Within one year of purchase Dri Eaz promises to the original purchaser to repair or replace any TurboVent 48 or Mini TurboVent that is defective in material or workmanship During this warranty period Dri Eaz Products Inc is responsible for the costs of labor material and shipping required to repair or replace the TurboVent After 90 days the customer is responsible for shipping costs to Dri Eaz Products and labor at the prevailing hourly rate This warranty does not include normal wear and tear to ducting or other parts This warranty shall not extend to any products showing effects of misuse alteration corrosive chemicals accident damage fire normal wear or any other causes beyond Dri Eaz Products control Dri Eaz Products Inc is not responsible for any work performed or repairs effected upon any of its products by other than Dri Eaz Products Inc or authorized dealer personnel To receive warranty service you mus
16. oval opening into the TurboDryer snout The TurboVent opening should fit snugly Attaching TurboVent 48 to TurboDryer 4 There are two positions to use TurboVents Make certain that the TurboVent is in the correct position with the air opening facing up or down as appropriate Floor Drying When drying floor or wall cavities the TurboVent label should be facing up Wall Drying When drying exterior wall surfaces the TurboVent should be inverted so that the label is facing down toward the floor 5 When using the TurboVent in a room with an unfinished floor a 2 block of wood nailed to the floor will help maintain the TurboDryer in position 6 Or when on a finished floor secure the TurboDryer and TurboVent to the wall using two 1 2 eye screws and a stretch bungee cord The eye screws should be attached to the wall below baseboard level INSTALLING MINI TURBOVENTS Installation procedures for Mini TurboVents are similar to those for the TurboVent 48 Remove mold ings and baseboards as needed to allow the vent openings to fit flush against the installation surface The TurboDryer must be unplugged and turned off while attaching Mini TurboVents Attaching to a Sahara TurboDryer Clip hooks to the grill When not using an outlet cover with vinyl cap and a duct clamp The Adapter is fastened to the snout of any Sahara TurboDryer by two hooks with springs If the TurboDryer has a wire grill 1 position the hooks so t
17. ped in the wall It is usually necessary to also use surface drying measures at the same time Steps for Drying Interior Cavities 1 Locate Moisture Problems Use an appropriate moisture meter to locate mois ture in drywall plaster or within structural cavities A non penetrating meter will determine if the exterior covering such as drywall is wet A penetrating meter may be needed to determine if insulation sill plates and subfloor under sill plates are wet 2 Remove Baseboards Remove baseboards or cove base along the section of wall to be dried Mark baseboards and walls to identify them for easy replacement after completion 3 Cut Holes Locate wall studs and open several holes between each stud Use a 1 2 to 1 drill bit and drill a series of holes every 2 to 12 Just a single 1 2 hole per stud cavity can be successful in many cases Use more holes and or larger holes for more soaked or otherwise difficult situations The more holes you drill or the larger holes the more air will enter the cavity for drying The air from the TurboDryer is forced through these holes into the cavity After the drying process is completed the holes can be patched and then covered with the baseboard pieces 4 Install TurboVents Install the TurboVent according to directions above 5 Create ceiling ventilation openings As the air is forced up inside a wall cavity it picks up moisture from wet materials This moisture laden air can be venti
18. r is that time is extremely important the faster you get the wood dry the less chance there will be for perma nent damage With TurboVents there is generally no need for a complete removal or refinishing of the hardwood Costs are reduced by eliminating the need for replacing hardwood and finishes CAUTION Do not allow children to play with or around the TurboDryers Be sure the TurboDryer is inaccessible to children when left unattended Secure all areas in which TurboDryers are left unattended while running Surface Drying Hardwood Floors While subsurface drying improves drying results the surface of the flooring provides a secondary location for evaporation to occur Already mentioned are the difficulties in surface drying caused by buckling action and impermeable wood finishes There is a method however to minimize damage to the finish and thereby minimize refinishing expense while increasing the overall rate of evaporation Using a wallpaper perforation roller the surface of the floor can be perforated with thousands of small holes These holes puncture the impermeable floor finish permitting water vapor to escape or evaporate from the surface of the wood After perforating TurboDryers should be placed in several locations so that they blow air across the surface of the floor Dehumidifiers should also be used to reduce the humidity in the area being dried As mentioned earlier the moisture content of wood seeks equ
19. ring strips end not a wall running parallel with the direction of the flooring To reduce buckling use enough TurboVents so that the entire wet area of the floor receives simultaneous subsurface ventilation To achieve this interior walls such as closets and refrigerator coves may need Mini TurboVents placed within them 2 Remove Baseboards Cove Base And Moldings All moldings along the floor should be removed especially along end walls A small pry bar works well for removing moldings and baseboards Stubborn finish nails may be difficult to pull out and may have to be pulled through the molding material The holes in the moldings may easily be filled with a matching wood patch product NOTE Mark molding pieces and wall with corres ponding numbers to assist in the reinstallation process 3 Ventilation Openings Frequently flooring installers will leave an expan sion gap between the end of the flooring strips and the wall This gap is exposed when the baseboards or moldings are removed This gap becomes the ventila tion opening through which air will be forced under the flooring If no gap exists one must be made A gap of 3 16 must be available for effective hardwood floor drying with the TurboVent 4 Cutting Ventilation Openings Cut a ventilation opening using a circular jamb saw This saw al lows you to cut extreme ly close to the wall sur face leaving an opening that can later be covered by baseboard molding
20. ring the specific humidity below 10 grains per pound Leave a small opening in the ducting where it enters the air inlet of the DriTec to make up for the reactivation air that is leaving the dehumidifier but not entering the tent Permanent Damage to Hardwood Flooring If the surface of the floor remains stressed in a cupped crowned or buckled condition after drying is completed it may remain so In these cases complete resanding or even replacement will be needed followed by refinishing Ensure that the moisture content of the wood is at or below the required percentage before refinishing See note below and check the Moisture Content Map on the last page of this manual The length of time that a floor has been exposed to moisture is a major contributing factor in whether the floor can be returned to pre flood condition The quantity of water is also a factor These two elements should be evaluated when assessing the level of damage and the amount of repair required NOTE Hardwood flooring should be allowed to reach normal moisture levels averaging approximately 9 before putty or finishes are reapplied Moisture levels typically are lower during the winter months due to interior heating Levels are higher in the summer months See the Moisture Content Map Cracks remaining after the drying process can usually be repaired A trained hardwood flooring tech nician can easily fill cracks with a wood putty material Cracks between
21. shion of moisture laden air that hangs near any wet surface This moist air is whisked away and dry lower humidity air replaces it This constant process of removing moist air and replacing it with dry air draws moisture out of permeable materials and significantly speeds drying time This reduces water damage to floors walls and ceilings It is highly recommended that Dri Eaz commercial grade dehumidifiers be used in the area being dried The moisture that is moved away from the wet materials should also be removed from the air Dri Eaz dehumidifiers do this as they rapidly lower humidity Reducing the humidity is an important factor in speeding up the drying process INSTALLING A TURBOVENT 48 Whether drying walls ceiling surfaces or floors the TurboVent 48 is intended for use on the floor located against a flat wall surface Wall moldings and baseboards must be removed to allow the vent opening to fit flush against the wall The TurboDryer must be unplugged and turned off while attaching TurboVents NOTE To avoid marring hard surface floors place a piece of foam pad under the base of the TurboDryer Attaching the TurboVent 48 to a TurboDryer 1 Remove baseboards and moldings and drill holes see Application 3 In most cases it is not necessary to remove carpeting 2 Place TurboVent firmly against the wall so that oval snout points away from the wall 3 Attach the TurboVent to the TurboDryer by sliding the TurboVent
22. sill plate The holes will be covered when you replace the baseboard or cove base Using Mini TurboVents in Series Up to 9 Mini TurboVents may be connected in series from one TurboDryer 3 from each outlet from the snout adapter In the drawing above two are connected to one outlet When properly hooked up the actual airflow into wall cavities or under hardwood floors is not great since the holes into which the air must flow are small This is the reason why up to 9 may be connected at one time However a higher static pressure TurboDryer such as the 1 hp Sahara Pro generating 3 0 will give better results than one with lower static pressure such as the 4 hp Sahara generating 1 5 APPLICATION 1 DRYING CAVITIES IN WALLS AND BUILT INS A major use of TurboVents is for drying the interior cavities of walls built ins and other structural voids The TurboVent forces air into a cavity through holes cut in the drywall or toe kick at the baseboard level Air then flows into the interior areas circulating through wet insulation drywall and framing In built ins the air helps dry particle board plywood drawers and doors Mini TurboVents will fit the toe kicks of built ins not less than 3 5 high Air from either the TurboVent 48 or Mini Turbo Vents helps ensure that sensitive materials do not deteriorate from exposure to moisture It also prevents delayed growth of mold mildew and wood rot from moisture left trap
23. t call for a Return Authorization No replacement item will be shipped without an Authorization Number No credit will be made until the defective item is received The foregoing constitutes the entire warranty and no other warranty liability contingency or responsi bility direct indirect consequential or in any way connected with the sale or operation of equipment products is expressed or implied Direct warranty questions to an authorized dis tributor or Dri Eaz Products Inc at 360 757 7776 PRINCIPLES OF OPERATION The TurboVent is a wall and floor drying accessory for Dri Eaz TurboDryers It is designed to increase the rate of evaporation from slow drying areas Using it you can achieve faster more complete structural drying while reducing damage to finished materials like hardwood flooring or painted and papered walls Three primary methods of installing the TurboVent 48 Mini TurboVents can be used in the same ways 1 Airflow can be directed under hardwood flooring for subsurface drying 2 Airflow can be directed across wall surfaces it will travel up the walls and across ceilings to dry both 3 Airflow can be used to dry the interior cavities of walls by directing airflow up the inside of walls via openings cut at the baseboard level The principle of operation is to direct high volume airflow from a TurboDryer across under or into wet areas or surfaces This airflow speeds evaporation as it removes the cu
24. the Moisture Counter and or Moisture Pro 9 Remove Equipment Patch and restore wall surfaces and replace base boards or cove base Outside walls must normally be repaired to meet fire code Patching compounds and tapes that meet code are available APPLICATION 2 DRYING WALL amp CEILING SURFACES Another application for TurboVents is drying wall surfaces This is helpful for drying water damaged walls or reducing drying time of wet surface applica tions such as paint and drywall texture The laminar flat air flow emerging from the TurboDryer is approximately 18 inches wide and expands as it moves away from the TurboDryer Using the TurboVent 48 attachment the air emerges in a 48 inch wide pattern over 2 5 times greater than the TurboDryer alone Using the three vents from a Mini TurboVent Kit three 24 inch wide swaths create a total of 72 inches wide or more Thus a larger portion of the wall is exposed to circulating air resulting in reduced drying time Preparing Water Damaged Wall Surfaces Drywall texture paint and some wallpapers have a low permeance characteristic which inhibits drying of the drywall beneath When such wall coverings are ex posed to water damage they may require special treat ment to increase their permeability and the rate of evaporation when drying The two basic treatments of such wall surfaces are removal or perforation Removal of wallpaper or paint to allow for complete drying is a la
25. wall drying and prevents disintegration swelling and rusting of nails It also helps reduce water damage to electrical wiring and fixtures Using a Mini TurboVent to dry ceiling cavities Steps for Drying Ceiling Joist Cavities 1 Locate Moisture Problems Use an appropriate moisture meter such as the Moisture Counter or Moisture PRO to locate moisture hidden in ceiling areas Make certain that drywall is not sagging and that all water has been allowed to drain from the ceiling prior to beginning drydown procedures 2 Cut Holes Locate ceiling joists and between each cut a series of 1 2 holes every 2 to 12 The air from the Turbo Dryer is forced through these holes into the ceiling cavity After drying is completed the holes must be patched and repainted 3 Install Mini TurboVents Install Mini TurboVents using drywall screws Op erate the TurboDryer on high speed according to directions in the TurboDryer manual 4 Install Dehumidifiers Commercial grade DrizAir dehumidifiers should be installed to reduce humidity and significantly speed the drying process 5 Monitor Progress Periodically check the moisture content of the materials inside the wall using a moisture meter 6 Remove Equipment Patch and restore ceiling surfaces APPLICATION 4 DRYING WITH DUCTED AIR FROM MINI TURBOVENTS Air forced through the ducting from Mini TurboVents snout adapter but without the Mini Turbo Vents themselves atta
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