Max-Ox MX-900B Manuale utente

Max-Ox™ MX-900B Operators Manual, Rev. 0
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Max-Ox™ MX-900B
Commercial Wood Chip-Fired
Hydronic Boiler
Operators Manual

Max-Ox™ MX-900B Operators Manual, Rev. 0
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Max-Ox™
Model 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 History
Issue Date Description of Changes
Rev. 0 2/09/09 Original

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

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MX-900B Operators Manual
Overview of this Publication
Congratulations on your decision to make very efficient use of
precious renewable fuels by using a commercial-duty automated Max-Ox™
MX-900B Wood Chip-fired Hydronic Boiler.
This MX-900B Operators Manual describes the features, installation,
operation, and maintenance of your new Max-Ox™ MX-900B Commercial
Wood-chip Fired Hydronic Boiler.
Who Should Read This Manual
This manual contains important information 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, recommended practices, and guidelines for the installation and
operation of solid fuel burning appliances. To help ensure safe installation of
the Max-Ox™ MX-900B, please refer to the following NFPA publications:
•NFPA 211: Standard for Chimneys, Fireplaces, Vents, and Solid Fuel
Burning Appliances, 2006 Edition.
For information on NFPA 211, and other related NFPA publications, please
contact:
National Fire Protection Association
1 Batterymarch Park
Quincy, MA 02169-7471
www.nfpa.org
Phone: 617-770-3000
Fax: 617-770-0700

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MX-900B Operators Manual
Codes and Insurance Notice
The Max-Ox™ MX-900B Commercial Wood-chip Fired Hydronic Boiler is
a mechanical draft, direct-vented, NON-PRESSURIZED VESSEL, solid
fuel burning appliance. It must be installed in accordance with this Manual,
NFPA 211, Federal, State, and Local codes, and your Insurance
Underwriter’s requirements.
Local building code enforcement 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 nationally recognized organizations, such as the National Fire
Protection Association (NFPA), and the National Electrical Manufacturer’s
Association (NEMA).
Please be sure to follow the requirements of the Authority Having
Jurisdiction over your specific installation.
Your Insurance Underwriter may also have specific guidelines with respect
to installation and inspection requirements for your solid fuel burning
appliance.

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MX-900B Operators Manual
Max-Ox™ Technical Support
Your Sales Representative is your authorized Max-Ox™ factory -
trained Technical Support team member, and is standing-by to answer any
questions you may 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 information available when
contacting your factory-authorized Sales Representative:
Model number: ________________ Serial Number: ________________
Operators Manual Revision Number: ________________
Purchase Date: ________________
Installation Date: ______________

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Max-Ox™ Warranty Registration Form
All Max-Ox™ products must be registered to activate the warranty,
and we encourage you to send this registration form back to us within 10
days of installation.
Please mail or fax the completed Max-Ox™ Warranty Registration
Form to:
Max-Ox, LLC Fax: (717) 464-0491
Mail: Max-Ox, LLC
481 Millwood Road
Willow Street, PA 17584
Customer Name: _______________________________________________
Address: _____________________________________________________
_____________________________________________________
_____________________________________________________
Phone: _________________________Fax: __________________________
E-mail: _______________________________________________________
Sales Representative Name: ______________________________________
Model Number: ___________________ Serial Number: ________________
Installation Date: _______________________________________________
Customer Signature: ____________________________________________
Date: ________________________________________________________

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Certificate of Limited Warranty
Max-Ox™ Wood Chip-Fired Hydronic Boilers
Page 1 of 5
General
This Limited Warranty is only available to the original owner of this
Max-Ox™ Wood-chip fired Hydronic Boiler (Unit). It is not transferable.
Max-Ox, LLC (Max-Ox) warrants this Max-Ox™ Wood-chip fired
Hydronic Boiler, and its component part(s), to be free from defects in
materials and workmanship, under normal use and service, for the
Applicable Warranty Periods. At its option, Max-Ox will repair or replace
defective Max-Ox™ Wood-chip fired Hydronic Boiler, or defective
component part(s), in accordance with the terms of the Limited Warranty, if
it fails in normal use and service during the Applicable Warranty Periods..
Any replacement components or replacement part(s) must be Max-Ox
authorized component or part(s). The replacement unit 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 Applicable Warranty Periods) is the date of installation
of the Unit, provided the installation, operation, and maintenance of the Unit
conforms to the instructions in the Max-Ox™ MX-900B Operators Manual,
applicable Federal, State, and Local codes, Customer’s Insurance
Underwriter requirements, and good plumbing, electrical, and HVAC
(Heating, Ventilation, Air Conditioning) trade practices. Otherwise, the
Effective Date of the commencement of warranty coverage is the date of the
manufacture of the Unit plus ninety (90) days.
Applicable Warranty Periods
Whetted hydronic heat exchanger components: Three (3) years
Cast refractory on stoker doors and combustion chamber: Three (3) years
Steel fabrications, mechanical components, thermal insulation: One (1) year
Electrical, electro-mechanical, and electronic components: One (1) year
Plumbing components (pump, valves, fittings, maifolds): One (1) year

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Certificate of Limited Warranty
Max-Ox™ Wood Chip-Fired Hydronic Boilers
Page 2 of 5
Applicable Warranty Periods (continued)
During the Applicable Warranty Periods, Max-Ox will pay a pro-rated
share of the cost of a defective item. For example, in the first year Max-Ox
will pay 100% of the cost of any failed item; in the second year Max-Ox will
pay 100% less 33.3% of the whetted hydronic heat exchanger components
and cast refractory components (3 year pro-rated); and so on until the end of
the Applicable Warranty Periods.
Warranty Exclusions
This Limited Warranty will not cover:
1. Damages to the fuel in-feed system components or fuel feed auger
train components or ash auger train components or stoker head
assembly 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 system components or fuel feed auger
train components or ash auger train components or stoker head
assembly components caused by materials other than approved fuels.
Approved Fuels are specified as follows:
a. wood chips < 1.5” maximum dimension
b. wood dust briquettes < 2” maximum dimension
c. wood shavings
d. wood construction / demolition waste < 1.5” maximum dim.
3. Whetted hydronic heat exchanger component leak failure due to
contaminated or corrosive water-based heat transfer fluid or make-up
water.
4. Whetted hydronic heat exchanger component leak failures due to
Customer’s failure to follow a bi-annual (every 6 months) commercial
boiler water chemistry program for boiler water chemical analysis,
chemical treatment, boiler water blow-down, and boiler water make-

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up water addition for an open-system (non-pressurized) hydronic
heating boiler.
Certificate of Limited Warranty
Max-Ox™ Wood Chip-Fired Hydronic Boilers
Page 3 of 5
Warranty Exclusions (continued)
5. Service trips to your facility for instruction on how to install, operate,
or maintain the Unit, or to bring the Unit into compliance with local
codes or insurance underwriter requirements.
6. Units removed from the original installation location.
7. Damages, malfunctions, or failures resulting from failure to install the
Unit per applicable codes, or good plumbing, electrical, or HVAC
trade practices.
8. Damages, malfunctions, or failures resulting from failure to install,
operate, or maintain the Unit 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, malfunctions, or failures caused by abuse, accident, fire,
flood, freezing, lightning, or acts of God.
11.Damages, malfunctions, or failures resulting from failure to operate
the Unit without sufficient heat transfer fluid.
12.Cracks in the cast refractory that can be repaired with high-
temperature refractory joint compound.
13.Performance problems caused by improper sizing of the Unit,
improper sizing of the flue gas vent, or improper sizing of the
combustion make-up air opening requirements.
Labor, Shipping, and Processing Costs
This Limited Warranty does not cover any labor expenses for service,
repairs, reinstallation, permits, or removal and disposal of a failed Unit or its
defective component part(s). All such expenses are the owner’s
responsibility.
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