Model 4
1500 - 6000 MBTU/hr
Rev. 03-08
Section B2-7
Optional Equipment For more detailed information on optional equipment, contact your local Cleaver-
Brooks authorized representative.
In
summary, options
include the following:
1. Boiler
•
Larger pressure gauges
or
specific manufacturer
type.
•
Bottom Drain
Valves
for low
pressure
applications.
•
Bottom Blowoff
Valves
for high
pressure
applications.
•
Surface
Blowoff
Valve
with internal
collector
pipe.
•
Feedwater Stop
and
Check
Valves.
•
Steam Stop
Valve.
•
ASME Hydro Test
of
Valves
and
Valve
Piping.
•
Design pressures above
150
P
S
IG.
2.
Burner/Control Optio
n
s
•
Full
Modulation Firing
on Gas.
•
Lead/Lag
C
o
n
t
r
o
l
.
•
Day-Night
Controls.
•
Low
Fire
Hold Control.
•
Elapsed
Time Meter.
•
Alarm with
silence
switch.
•
Additional Indicator
Lights.
•
Main
Power
Disconnect.
•
Remote
Oil Pump.
•
Optional NEMA
Enclosures.
•
Special Fan
Motor
requirements
(TEFC).
3.
Fuel Options
•
Automatic Fuel Changeover (combination
burner).
•
Propane Fuel
Firing.
•
Special Gas Pressure
Regulators.
•
Special
fuel
shut-off
valves.
•
Dual Pilots
(gas
and
oi
l)
.
•
Gas
strainer.
Insurance/Codes The boiler package can be equipped to meet various insurance or code
requirements.
Some
of
these insurance/code requirements
are:
•
Factory
Mutual (FM)
•
XL GAP (Formerly GE
GAP/IRI).
•
A.S.M.E.
CS
D
-
1.
A.
Factory
Mutual (FM
Global)
-
Recommended
guidelines as described by FM
pertain
to
boilers rated
at
greater
than 2.5 MMBtu/hr input on
gas
and 2.8 MMBtu/
hr input on oil. Boilers that are labeled and tested in accordance with an
independent
testing lab such as UL or
CSA
and are below
these
inputs are exempt
from
these
recommendations.
The Model 4 boiler is UL listed and labeled. In addition to the standard UL
requirements
the
following are needed
to
comply
with FM when required.
•
Alarm Bell with
silence
switch for low water and
safety
shutdowns.
•
Low Oil
Pressure Switch
if the oil pump is not direct
driven
from the fan motor.
B. XL GAP
(Formerly
GE GAP/IRI)
Recommended guidelines
as
described
by XL
GAP
pertain to
boilers
rated at 400,000 Btu/hr input to 12.0 MMBtu/hr input. For
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