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MODU-FIRE® FORCED DRAFT
Gas-Fired Boiler Safety
1.0 INTRODUCTION
The MODU-FIRE
®
FORCED DRAFT Gas-Fired
Boiler is a revolutionary advance. Patterson-Kelley
now combines full-modulation burner control and
forced draft advances with our time-tested modular
hot water boiler design. The result is a full-
modulation boiler utilizing reduced vent sizing for
installation and cost efficiencies. This boiler com-
bines the best of our earlier designs with a new gen-
eration of burner, control and operating technology.
You will achieve high part-load efficiencies – but
without the complexity you might expect in this type
of high performance boiler. It is high performance
made simple and dependable for years of trouble-free
operation.
This manual covers installation of the
MODU-FIRE
®
FORCED DRAFT (MFD)
Boiler series 1500 and
2000. The model numbers may include a prefix and
will include a suffix to indicate special features or
different options. While details may differ slightly,
basic operation is the same for all models. Boilers are
built to operate with natural gas or propane. Check
the rating label for the correct gas type and flow rate.
The boiler is only a part of the complete heating sys-
tem. This boiler may be fully operational and yet,
because of poor circulation, controls, or other operat-
ing characteristics, not deliver heat to the desired lo-
cation. Additional equipment such as temperature
sensors, pumps, flow switches, balancing valves and
check valves will be required for satisfactory opera-
tion of any system. Patterson-Kelley cannot be re-
sponsible for the design or operation of such systems
and a qualified engineer or contractor must be con-
sulted.
2.0 SAFETY
2.1
GENERAL
The MODU-FIRE
®
FORCED DRAFT gas-fired
boiler
must be:
• Installed in accordance with designs prepared by
qualified facility engineers including: structural,
mechanical, electrical, and other applicable dis-
ciplines.
• Operated and serviced in accordance with a
comprehensive safety program determined and
established
by the customer. Do not attempt to
operate or service until such a program has been
established.
• Operated and serviced by qualified and knowl-
edgeable personnel in accordance with all appli-
cable codes, laws, and regulations.
• The use of the term “factory-trained personnel”
throughout this manual indicates Patterson-
Kelley trained on this specific piece of equip-
ment.
2.2
TRAINING
Reorder No. 6020-V2WHPK
Improper use may
result in fire or injury.
Read instructions/safety
manual before installing,
operating or servicing boiler.
c
!
WARNING
1998 HCS, Inc. 800-748-0241
It is essential to read, understand, and follow the
recommendations of this manual before installing,
operating, or servicing this equipment. Failure to do
so could result in serious injury, death, and/or prop-
erty damage.
Proper training is the best protection against acci-
dents. Operating and service personnel must be
thoroughly familiar with the basic construction of
the
MODU-FIRE
®
FORCED DRAFT boiler, the
use and locations of the controls, the operation of
the boiler, adjustment of its various mechanisms,
and all applicable safety precautions. If any of the
provisions of this manual are not fully and com-
pletely understood, contact the Patterson-Kelley
Technical Services Department.
2.3
SAFETY FEATURES
It is the responsibility of the customer to maintain
the safety features of this machine, such as: guards,
safety labels, safety controls, interlocks, lockout
devices, etc., in place and operable.
2