Northline Express EXHAUSTO RS 12 Applications Manual Download

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EXHAUSTO

ABLE

ONTENTS

Introduction

Section 1: Smoke - Problems & Causes

Chimney performance........................................................

Chimney performance problems ........................................

Section 2: Applications for the Chimney Fans

Uses for the chimney fan...................................................

Typical applications...........................................................

Section 3: Technical Data & Specifications

Technical description........................................................

Dimensions & electrical data...........................................

The chimney fan as an obstruction...................................

Capacity charts................................................................

Sound diagram................................................................

Section 4: How To Select Chimhey Fan Size

Fireplaces.......................................................................

Stoves and fireplace inserts............................................

Wood-fired pizza ovens....................................................

Other applications...........................................................

Fan selection tables for fireplaces...................................

Fan selection tables for stoves etc. ................................

Section 5: Installation Instructions

Installation of the chimney fan.........................................

Installation on brick chimney...........................................

Installation on steel chimney...........................................

Special applications........................................................

Section 6: Wiring of the chimney fan

Materials needed for solid fuel installations.....................

Materials needed for non-solid fuel applications..............

Connection diagram.......................................................

Wiring diagram for chimney fan controlled by
motor speed control.......................................................

Wiring diagram for chimney fan controlled by
motor speed control and fan proving switch...................

Adjusting the fan proving switch setting..........................

Section 7: Using The Chimney Fan - Care & Cleaning

How to start a fire..........................................................

Cleaning intervals..........................................................

Cleaning the chimney fan..............................................

Appendix A:

Design Theory...............................................................

Appendix B:

Conversion of rectangular flues......................................

Appendix C:

Resistance coefficients..................................................

Appendix D:

Parts List.......................................................................

Appendix E:

Trouble shooting............................................................

Appendix F:

Warranties.....................................................................

NorthlineExpress.com

http://www.northlineexpress.com

Toll-Free 1-866-667-8454

Summary of Contents for EXHAUSTO RS 12

Page 1: ...Application Manual for Mechanical Venting of Fireplaces Stoves BBQ s and Pizza Ovens NorthlineExpress com http www northlineexpress com Toll Free 1 866 667 8454 ...

Page 2: ...e chimney fan 13 Installation on brick chimney 13 Installation on steel chimney 14 Special applications 14 Section 6 Wiring of the chimney fan 16 Materials needed for solid fuel installations 16 Materials needed for non solid fuel applications 16 Connection diagram 16 Wiring diagram for chimney fan controlled by motor speed control 17 Wiring diagram for chimney fan controlled by motor speed contro...

Page 3: ...ll a misconception about mechanical venting Many professionals still don t understand the difference between draft inducers and chimney fans These are our definitions that should explain the major differences Draft Inducer A fan or ventilator that is installed between the appliance outlet and the chimney termina tion The draft inducer creates a negative pressure on theinletsideandapositivepressure...

Page 4: ...urning system is the chimney and to work properly it must safely exhaust the product of combustion and at the same time draw enough oxygen into the appliance to main tain combustion Chimneys operate on the simple principle that warm air rises because it has a lower density than cold air Warmer flue gases in the chimney create a pres sure difference called draft and the rising gases create a partia...

Page 5: ... gas temperature of the outside air are the major factors influencing the amount of draft A rule of thumb for minimum height states that the total system height from the floor the appliance is mountedontothetopofthechimney shouldneverbe less than 15 feet n The chimney is too high Increasing the height of a chimney increases the draft Realistically draft does not increase in direct proportion to th...

Page 6: ...tion of all Most problems are created when a regular one sided fireplace is converted into a see through fire place by knocking the back wall out and design an opening n Modern insulation of dwelling When houses are efficiently insulated there is usu ally not sufficient air for combustion Very often make up air vents do not exist resulting in air starvation and under these conditions there simply ...

Page 7: ... or excessive height increased resistance n Flue is too small The chimney fan will create additional draft to overcome the added restriction caused by a flue that is too small n Flue has been relined It is comparable to the situation where the flue is too small n The flue is too large The chimney fan will create additional flow in the chimney to make up for the insufficient draft caused by insuffi...

Page 8: ...d by EXHAUSTO to withstand high flue gas temperatures It has thermal overload protection and is virtually maintenance free with pre lubricated sealed ball bear ing The motor is completely enclosed and protected from rain water snow soot dust etc It is balanced to assure a very low noise level and vibration free use The chimney fan as an obstruction Installed on the chimney flue termination the chi...

Page 9: ...0 Hz 47 55 65 72 1000 Hz 43 52 62 69 2000 Hz 38 48 57 64 4000 Hz 31 42 51 58 8000 Hz 25 34 44 52 Lp dB A 21 30 41 47 Lw dB Tolerance 3 dB Lw Sound Power Level dB Lp Sound Pressure Level dB A in 10 meter 30 feet distance from the fan Note A sound power level of 30 dB is comparable to a voice very soft whisper 70 dB is comparable to a voice conversa tional level Sound Diagram Lp 5 meter 15 feet Lp 1...

Page 10: ...red system For directions on how to do a manual calculation please refer to Appendix A However most applications are relatively simple andarecoveredbytheselectionchartsonpage11and 12 The selection charts are based on the following assumptions Height of chimney 15 30 ft Flue gas temperature fuel Wood 300 F Natural Gas 200 F Frontal inlet velocity Fireplaces wood 48 FPM Fireplaces gas 36 FPM See thr...

Page 11: ... to use Stoves and fireplace inserts Determine the are of the door opening by multiply ing A and B The chart on page 12 shows the size EXHAUSTO 10 fan to use Wood fired Pizza Ovens Determine the area of the door opening by multiply ing the measures A and B and the flue size all measures in inches Cross reference this information for selection of the appropriate chimney fan The fan selection is bas...

Page 12: ...lace Opening sq in Max 500 Max 800 Max 1 200 Max 1 900 Max 2 500 Max 3 500 Max 5 000 Max 6 000 RS 9 RS 12 RS 14 RS 9 RS 12 RS 14 RS 9 RS 9 RS 12 RS 16 RS9 RS 9 RS 12 RS 12 RS 14 RS 16 RS 16 RS 9 RS 9 RS 12 RS 12 RS 14 RS 16 RS 16 RS 12 RS 12 RS 12 RS 12 RS 14 RS 16 RS 16 RS 12 RS 12 RS 12 RS 12 RS 14 RS 16 RS 16 RS 12 RS 12 RS 12 RS 12 RS 14 RS 16 RS 16 RS 12 RS 12 RS 12 RS 12 RS 14 RS 16 RS 16 RS...

Page 13: ...9 RS 12 RS 9 RS 9 RS 12 RS 12 RS 12 RS 14 Flue Size Fireplace Inserts Pizza Ovens For the sizing in conjunction with a wood fired pizza oven a negative pressure of 1 10 W C has been taken into consideration as most of these ovens are used in kitchens with exhaust fans 6 7 8 9 10 12 Stoves NorthlineExpress com http www northlineexpress com Toll Free 1 866 667 8454 ...

Page 14: ... is installed it might stick up a few inches Cut it back so it is flush with the chimney crown Step1 Measure the inside of the flue and cut a matching hole in the fiber mat Leave a minimum distance of EXHAUSTO SECTION 5 INSTALLATION INSTRUCTIONS 3 4 to any side of the fiber mat The aluminum foil on the fiber mat must face up against the fan base Step 2 Locate the installation brackets in the groov...

Page 15: ...nt ensures safe anchoring The remaining part of the installation follows step 3 through step 6 Special Applications 1 High temperature applications If the fan is used for applications where the flue gas temperature exceeds 400 F at the exit point but does not exceed 650 F dilution bolts must be used Typical situations are chimneys that are only 6 8 high Dilution bolts will cause cool air to mix wi...

Page 16: ...ey and the chimney fan can be installed as described in the previous 4 Two Flues Servicing One Fireplace Thissolutionisusedbymanydesignerswhenthe fireplace opening is large and the total flue opening must be larger than a standard pipe or liner By installing two separate flues the builder has accomplished a total flue opening big enough for the fireplace opening When sizing a chimney fan for this ...

Page 17: ...himney single double or triple wall or a solid brick chimney with a liner the wire must be run outside the chimney in a liquid tight conduit if required by local codes If the chimney is just a chase surrounding the actual steel chimney the wiring can be run inside the chase but always outside the steel chimney Materials needed for non solid fuel applications In addition to the materials needed for...

Page 18: ...sure switch setting will open the pressure switch and de activate the Sole noid Gas Valve Chimney Section Fig 24 Fan Proving Switch Low Pressure Port Fig 23 Probe Wiring Diagram for chimney fan controlled by motor speed control This is wiring diagram for the fan Sequence of operation 1 The chimney fan is turned ON prior to starting heating appliance 2 The fan speed and thereby the draft is control...

Page 19: ...conduit enclo sure by loosening its retaining screws Turn the slotted adjustment screw clockwise to raise the set point and counter clockwise to lower the set point Set the adjustment screw to its lowest position With the gas fireplace gas logs operating reduce the speed of the chimney fan to the point where the fireplace starts to spill gas or flue gas from the top of the opening Increase the spe...

Page 20: ... the chimney fan It is recommended that the chimney the flue pipe and the EXHAUSTO chimney fan is checked regularly until a rate of creosote build up has been determined Clean when deposits have built up to more than 1 8 The amount of build up is directly related to the use of the heating appliance and to the type of fuel being used In general gas fired systems do not require cleaning as often as ...

Page 21: ...Appendix EXHAUSTO 20 NorthlineExpress com http www northlineexpress com Toll Free 1 866 667 8454 ...

Page 22: ...ions Estimating Flow The combustion air requirement can be determined using this formula Qt q x Ainlet x Vinlet 144 Qt Flow t F CFM or cubic feet per minute Ainlet Area of opening square inches Vinlet Frontal inlet velocity FPM or feet per minute q Expansion factor Flow in one sided fireplaces used for solid fuel In a one sided fireplace a frontal inlet velocity of 36 48 FPM feet per minute with a...

Page 23: ... pressure loss The formula used to determine the static pressure loss in a system is EXHAUSTO 22 Ps 015 x dm x Vpipe 2 x Σk or Ps 015 x dm x Qt Apipe 2 x Σk dm gas density lb ft3 Vpipe system gas velocity flue gas volume flue area at mean condition Ft s Apipe area of flue square inches Σ k Sum of all resistance factors There are several factors creating resistance in a fireplace chimney systems Th...

Page 24: ...ative building pressure external build ing pressures etc must also be taken into consider ation This could actually be measured by using a pressuregaugeinthefireplacechimneybeforestarting afire Itisnotunusualtoseeanegativepressureof0 1 0 3 WC for problem fireplaces Estimating Natural Draft The theoretical draft of a gravity chimney or vent is the difference in weight mass between a given col umn o...

Page 25: ... draft Da Dt Ps 115 0 197 082 WC The available draft is positive In other words the system should be back drafting One way of solving this problem could be to increase the flue size from 8 to 10 Going through the same calculations a 10 flue would give these results Qt 460 CFM no change kL 8 Σ k 3 1 Ps 015 x 047 x 460 78 5 x 3 1 015 x 047 x 34 34 x 3 1 075 WC Dt 115 WC no change Da 115 075 04 WC No...

Page 26: ...14 14 15 15 13 6 7 8 9 10 11 11 12 12 13 13 14 14 15 15 15 16 14 6 7 8 9 10 11 12 12 13 13 14 14 15 15 16 16 16 15 6 8 8 9 10 11 12 13 13 14 14 15 15 16 16 17 17 16 6 8 9 10 11 12 12 13 14 14 15 15 16 16 17 17 18 17 6 8 9 10 11 12 13 13 14 15 15 16 16 17 17 18 18 18 7 8 9 10 11 12 13 14 14 15 16 16 17 17 18 18 19 19 7 8 9 10 11 12 13 14 15 15 16 17 17 18 18 19 19 20 7 8 9 10 11 12 13 14 15 16 16 1...

Page 27: ...EXHAUSTO APPENDIX D PARTS LIST 23 18 1 9 27 NorthlineExpress com http www northlineexpress com Toll Free 1 866 667 8454 ...

Page 28: ... Nut M8 3 12 Bolt M8 x 80 stainless 1 13 Distance tube 1 14 Bolt M6 x 12 stainless 1 15 Bolt M6 x 45 stainless 3 16 Washer 6 mm 7 18 Clip for spark arrester 3 19 Rivet 3 20 Hinges set left right 1 21 Mounting brackets set 1 23 Spark arrester 1 24 Motor 1 25 Fiber mat 1 60 3 8 hi temp conduit 1 61 1 2 connector 2 62 2x4 junction box liquid 1 63 Wire nuts 4 64 Motor run capacitor 1 NorthlineExpress ...

Page 29: ...ppens but if it happens it is usually to the model RS9 which have less power than the bigger models Leave the fan ON even though it is only turning very slowly After 5 10 minutes it will pick up full speed You can leave the fan on and run it at a low speed if you don t want to experience the situation again during extremely cold weather Replace with a larger fan Replace motor Straighten out realig...

Page 30: ...sten the motor Probable Cause The flue is undersized e g the flue area is less than 10 of the fireplace opening The fan is oversized and running too fast The hinges could be bent causing the vanes to hit the wall on the fan inlet Foreign matter could be stuck in the bird screen spark arrester A squeeking noise could indicate that the motor bearings are bad The axial vane could be out of balance ca...

Page 31: ...en delivered to you Some states do not allow the exclusion or limita tion of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state THESE WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT NES...

Page 32: ... customer must furnish proof of payment including place and date of purchase EXHAUSTO will inspect the returned unit upon receipt and the dealer will receive the refund within 30 days from receipt of the chimney fan If any damages are detected on the chimney fan EXHAUSTO re serves the right to charge for the repair and deduct that in the refund NorthlineExpress com http www northlineexpress com To...

Page 33: ...EXHAUSTO 33 Notes NorthlineExpress com http www northlineexpress com Toll Free 1 866 667 8454 ...

Page 34: ...EXHAUSTO 34 Notes NorthlineExpress com http www northlineexpress com Toll Free 1 866 667 8454 ...

Page 35: ...EXHAUSTO 35 Notes NorthlineExpress com http www northlineexpress com Toll Free 1 866 667 8454 ...

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