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Max-Ox™ MX-900B Operators Manual, Rev. 0

Page 3 of 54

Max Ox

™

 MX-900B  Operators Manual

TABLE OF CONTENTS

Section                                                                                        ___Page

Manual Overview

Overview of this Publication

4

Who Should Read This Manual

4

Supplemental Publications

4

Codes and Insurance Notice

5

Technical Support

6

Warranty Registration

7

Limited Warranty

8

Special Symbols

13

Specifications

14

How it Works

An Overview

16

MX-900B Control System

16

Fuel In-Feed Conveyor (by Customer)

17

Fuel In-Feed System

17

Under-fire Stoker Grate

18

Secondary Combustion Chamber

19

Fire-Tube Hydronic Boiler

19

Exhaust Fan

20

Ash Removal

20

Wood Chips as Fuel

22

Safety Information

23

Installation

26

Operation – Start-up

28

Operation – Shut-down

32

Touch Screen Controls

33

Ash Cleaning

49

Routine Lubrication

51

Boiler Water Treatment Program

52

Fuel Feed Jam Clearing

52

Содержание MX-900B

Страница 1: ...Max Ox MX 900B Operators Manual Rev 0 Page 1 of 54 Max Ox MX 900B Commercial Wood Chip Fired Hydronic Boiler Operators Manual...

Страница 2: ...el MX 900B Commercial Wood Chip Fired Hydronic Boiler Operators Manual Please include the Manual Issue shown below when communicating with Technical Support regarding this publication Publication Hist...

Страница 3: ...ranty 8 Special Symbols 13 Specifications 14 How it Works An Overview 16 MX 900B Control System 16 Fuel In Feed Conveyor by Customer 17 Fuel In Feed System 17 Under fire Stoker Grate 18 Secondary Comb...

Страница 4: ...ation for those who will install operate or maintain the MX 900B Wood chip fired Hydronic Boiler Supplemental Publications The National Fire Protection Association NFPA publishes codes standards recom...

Страница 5: ...cement officials and fire inspectors are given authority to determine if specific installations of solid fuel burning appliances are safe These professionals use recommended guidelines from various na...

Страница 6: ...have with respect to your Max Ox MX 900B Commercial Wood chip Fired Hydronic Boiler Please record the model number and serial number of your Max Ox MX 900B in the space provided and have this informat...

Страница 7: ..._____________________ Address _____________________________________________________ _____________________________________________________ _____________________________________________________ Phone __...

Страница 8: ...or part s will be warranted only for the unexpired portion of the Unit s Applicable Warranty Periods Effective Date The Effective Date of the commencement of warranty coverage or the beginning of the...

Страница 9: ...sembly components caused by non wood materials present in the fuel that are large enough to result in jams such as metals rocks masonry fabrics rope stringy plant fibers 2 Damages to the fuel in feed...

Страница 10: ...it in accordance with the Max Ox MX 900B Operators Manual 9 Damages malfunctions or failures resulting from over firing the Unit on combustible materials other than Approved Fuels 10 Damages malfuncti...

Страница 11: ...nd reinstallation charges The owner is also responsible for freight costs incurred in the return of a defective Unit or component part s to the point of purchase Activation of Warranty All Max Ox prod...

Страница 12: ...Unit or part s Exclusive Warranty Limitation of Liability This Limited Warranty is the only Warranty for this Unit given by Max Ox LLC No one is authorized to make any other warranties for the Unit or...

Страница 13: ...the following guidelines DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation which if not...

Страница 14: ...Max Ox MX 900B Operators Manual Rev 0 Page 14 of 54...

Страница 15: ...h Design Supply temperature 180 F i Modulated variable speed primary loop circulator j Heat Transfer Fluid Capacity 300 gallons k Fluid Temperature Control PLC l Supply Return connections 3 inch femal...

Страница 16: ...current 8 Amps v Auxiliary control dry contacts 1 Boiler Ready signal contact 2 System Alarm signal contact 3 Fuel In Feed conveyor control contact 4 Heat Dump control contact w Combustion turn down...

Страница 17: ...ritten to guide you through each functional sub assembly of the MX 900B Combustion System so that you will gain a clear understanding of the entire unit MX 900B Control System The automatic control sy...

Страница 18: ...chips as well as the variations in bulk density fluffiness of the chipped or shredded wood fuel types available Of course the dryer your fuel is the less of it you will need to burn to achieve the ful...

Страница 19: ...to extinguish any fire that may be present Below 150 F the fire extinguisher valve is fully closed and at a set point of 190 F the valve is fully open Under fire Stoker Grate An under fire stoker grat...

Страница 20: ...lly combusted gasses continue to flow upward into a modern high efficiency 2 pass hydronic heat exchanger wherein all of the available heat energy is extracted without permitting water vapor in the fl...

Страница 21: ...ates ranges from 5 to 20 ash by weight When compared to coal ash wood ash is much more soft fine and fragile and as such becomes airborne more easily Your MX 900B ash removal system has been designed...

Страница 22: ...e access panels are situated on top of the boiler The four upper panels permit removal of fly ash that has accumulated in the upper boiler exhaust gas reversal plenum as well as provide access to the...

Страница 23: ...how much tramp metal or stone a mechanical auger will tolerate Therefore we advise that you take care to ensure that your fuel supply is as free of these contaminants as possible Wet Fuel Economics W...

Страница 24: ...ighter fluid fuel oil engine oil or other any other flammable liquid or petroleum product in on or near MX 900B Units Operate Max Ox MX 900B Units at atmospheric pressure only Keep the vent cap loose...

Страница 25: ...Alert Symbol The Safety Alert symbol identifies important safety messages in the manual This symbol indicates the possibility of injury or death Follow all instructions in the safety message given Th...

Страница 26: ...utton Use Fire Extinguisher to contain fire Contact your local Fire Department Fire Hazard Collect ashes in a non combustible container with a tight fitting lid Do not place waste other than ashes in...

Страница 27: ...tallation Your Insurance Underwriter may also have specific guidelines with respect to installation and inspection requirements for your solid fuel burning appliance The Max Ox MX 900B must be install...

Страница 28: ...on for the heat exchanger water thermal expansion Additional vented expansion tank thermal expansion allowance will be required to accommodate your hydronic system thermal expansion When interfacing w...

Страница 29: ...r will count down to zero and then automatically begin to fill the Metering Bin 5 Return to the Overview screen 6 Press the Gages icon 7 Press the Stack O2 Bar Graph icon to display the O2 Control scr...

Страница 30: ...up onto the stoker grate until a pile approximately 8 to 10 inches in diameter forms 19 Immediately shut off the Feed Auger by pressing the Stop icon 20 Fully close the Secondary and Tertiary air gat...

Страница 31: ...s not exceed 180 F Note to change boiler set point press the Set point icon and then key in the desired new set point 33 Return to the Overview screen 34 On the Overview screen observe the Stack Tempe...

Страница 32: ...r viewing window slowly change the position of the Secondary air grate as necessary until the flame entering the mouth of the secondary combustion chamber immediately above the fuel pile just begins a...

Страница 33: ...Return to Overview screen 2 Press the Rotary Selector Switch icon to open the Combustion Controls screen 3 Press the Disable icon to dis engage the automatic combustion controls The system will commen...

Страница 34: ...n icon screen icon to open ID Fan control screen Displays ID Fan motor run status run green stop red display located to left of ID Fan icon displays variable speed ID Fan motor speed as a percentage o...

Страница 35: ...cur Ash Auger Motor Press Motor icon to open Ash Auger control screen Displays Ash Auger motor status run green stop red display located to right of Ash Auger motor icon displays variable speed Ash Au...

Страница 36: ...system has engaged the Automatic Control mode Combustion System Screen Enable Press Enable icon to permit engagement of the automatic Combustion Control when the flue gas exhaust stack temperature is...

Страница 37: ...ve 200F Speed Control Manual Press Manual icon to engage ID Fan in manual control mode Manual mode is only available below 170F F stack temperature decreasing Speed Control SP Set Point Press SP icon...

Страница 38: ...ally stop ID Fan Motor Control CV Displays ID Fan variable speed drive Control Value Minimum Speed Press Minimum icon to change the ID Fan minimum speed set point Maximum Speed Press Maximum icon to c...

Страница 39: ...2 Displays oxygen concentration in flue gas Press Stack O2 bar scale icon to open the Stack O2 control screen Supply Temperature Displays boiler supply outlet water temperature F Press Supply Temperaa...

Страница 40: ...Displays actual O2 concentration Oxygen Trim CV Factory use only control system parameter Control Mode Auto Press Auto icon to engage automatic O2 control Control Mode Manual Press manual icon to dise...

Страница 41: ...e combustion system O2 idle mode Stop Press Stop icon to disengage combustion system O2 idle mode Idle Differential Mode Press Idle Differential mode icon to change the Idle Mode Differential Return P...

Страница 42: ...ature control set point F Press Set point icon to change boiler supply water temperature control set point Process Value Displays the actual boiler supply outlet water temperature F Control Value Disp...

Страница 43: ...g Bin Air Gate Release of the touch screen icon will close the Air Gate Bin Fill Time Delay Pre set Displays the set point time delay between Metering Bin refill cycles minutes Press PRE icon change M...

Страница 44: ...Feed Auger motor Speed Control Manual Press Manual icon to disengage automatic speed control of Feed Auger motor Motor Control Start Press Start icon to start the Feed Auger motor Motor Control Stop...

Страница 45: ...ange bounded by the minimum and maximum motor frequency set points Motor Control CV Displays Feed Auger Motor speed instantaneous control value as a percentage of the available speed range bounded by...

Страница 46: ...Auto icon to enable engage automatic speed control of Ash Auger motor Speed Control Manual Press Manual icon to disengage automatic speed control of Ash Auger motor Motor Control Start Press Start ico...

Страница 47: ...quency set points Motor Control Displays Ash Auger Motor speed instantaneous control value as a percentage of the available speed range bounded by the minimum and maximum motor frequency set points Mi...

Страница 48: ...Ash Auger VFD Initiates upon Ash Auger motor VFD Drive fault Feed Auger Rotation Initiates upon Feed Auger jam Fuel Feed Auger VFD Initiates upon Feed Auger motor VFD Drive fault Metering Bin Air Gate...

Страница 49: ...power cut back maneuver initiated at a stack temperature of 520 F Burner Front Access Door Open Initiates if gate position is opposite its required position Burner Rear Access Door Open Initiates if...

Страница 50: ...being burned and the rate of fuel consumption The experience you gain on your type of fuel and its ash production characteristics will enable you to assess and establish your ash cleaning schedule Fir...

Страница 51: ...e while rotating the turbulator Access to the in board fire tubes will require removal of the four in board boiler first pass gas deflectors Note Do not mix turbulators Turbulators are arranged so tha...

Страница 52: ...manual slide gate and tighten its thumbs screw Note open the manual slide gate prior to re installing the ash container in order for the ID Fan draft to assist in seating the ash container against it...

Страница 53: ...lf under the automatic control of the PLC the Feed Auger motor will stop and a Rotation Fault alarm will occur Proceed as follows 1 On the Alarm screen acknowledge the alarm 2 On the Feed Auger screen...

Страница 54: ...hrough the Metering Bin opening then the auger gear reducer motor assembly and helical auger shaft must be removed from the Metering Bin in order to clear the obstruction 10 During re assembly take ca...

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