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MODU-FIRE® FORCED DRAFT
Gas-Fired Boiler Safety
2.4
SAFETY LABELS
The following words are used in this manual to de-
note the degree of seriousness of the individual haz-
ards.
DANGER – Used to indicate an imminently hazard-
ous situation which, if not avoided,
will result in
death or serious injury. This signal word is to be lim-
ited to the most extreme conditions.
WARNING – Indicates a potentially hazardous situa-
tion which, if not avoided,
could result in death or
serious injury.
CAUTION – Used to indicate a potentially hazardous
situation which, if not avoided,
may result in minor or
moderate injury.
NOTICE/NOTE - NOTICE is the preferred signal
word to address practices not related to personal in-
jury. The safety alert symbol is not used with this sig-
nal word.
The safety labels shown below are affixed to your
boiler. Dual language labels may be affixed to your
boiler. Although the labels are of high quality, they
may become dislodged or unreadable over time. Con-
tact Patterson-Kelley for replacement labels.
2.5
SAFETY PRECAUTIONS
Provide a suitable location for the boiler, away from
normal personnel traffic, with adequate working
space, adequate clearances, proper ventilation and
lighting, with a structure sufficiently strong and rigid
to support the weight of the boiler, all piping, and ac-
cessories.
Proper lockout/tagout procedures must be
employed whenever this unit is serviced.
2.5.1 Electrical Hazards
!
WARNING
C 1998 HCS, Inc. 800-748-0241
Reorder No. 5025-V1WHPK
Follow lockout/tagout
procedure when
servicing this boiler.
Electrical hazard.
• Shock hazard! Properly lockout/tagout the elec-
trical service and all other energy sources before
working on or near the machine.
• Shock hazard! Boiler is not rated for wash-
down service.
• Power down unit for at least 10 minutes before
servicing inverter or blower.
2.5.2 Burn, Fire, and Explosion Hazards
General Warning
Hot Surface
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
NOTE
Make sure this union is
tight before closing cabinet
cover after servicing boiler.
Reorder No. 8032-02NHAK
c
1998 HCS, Inc. 800-748-0241
NOTE
Reorder No. 8032-01NHPK
c
When opening leak test valves,
always follow instructions in
operation and safety manual.
1998 HCS, Inc. 800-748-0241
• Burn, fire, and explosion hazards! Installation
must be in strict conformance to all applicable
codes and standards including NFPA 54, ANSI
Z223.1 and CSA B.149.
• Hazard from incorrect fuels! Possible fire, ex-
plosion, overheating, and damage. Do not use
any fuels except the design fuel for the unit.
3