I.C.E. IMR-130 HBR - Manual (Page 2)

INDUSTRIAL
COMMERCIAL
EQUIPMENT
I.C.E. (US), INC.
BLOWER
/
MOTOR
SECTION
Unit(s)
shall
be
supplied
with
a
single
AMCA
rated
centrifugal
backward
inclined
insdustrial
statically
and
dynamically
balanced
blower.
The
fan
shall
be
mounted
on
a
heavy
duty
machined
and
polished
shaft.
The
shafts
maximum
operating
speed
is
not
to
exceed
75%
of
its
first
critical
speed.
The
bearings
and
motor
shall
be
mounted
in
the
airstream.
The
T-­‐frame
motor
shall
be
mounted
in
a
motor
compartment
on
a
fully
adjustable
base.
The
bearings
are
to
be
industrial
pillow
block
type
supplied
with
extended
grease
lines.
The
blower
is
to
be
driven
with
an
(adjustable)
(fixed)
1.25
s.f.
V-­‐belt
drive
package
concealed
in
a
belt
guard.
Outdoor
units
shall
have
hinged
door(s)
to
provide
easy
access
to
maintain
and
inspect
motor,
belts
&
bearings.
BURNER
SECTION
Each
unit
shall
be
equipped
with
a
wide
range
fully
modulating
direct
gas-­‐fired
burner
capable
of
30:1
turndown.
The
burner
shall
have
stainless
steel
combustion
baffles,
non-­‐clogging
gas
ports,
spark-­‐ignited
intermittent
pilot
and
flame
safeguard
system.
Burner
combustion
must
be
clean
and
odorless.
Combustion
efficiency
must
limit
the
products
of
combustion
to
a
maximum
of
5
ppm
carbon
monoxide
and
0.5
ppm
nitrogen
dioxide.
The
burner
profile
is
to
be
equipped
with
adjustable
profile
plates.
A
heat
treated
glass
observation
port
shall
provide
a
full
view
of
flame.
Hinged
access
door(s)
are
to
be
provided
to
allow
easy
maintaince
and
inspection
for
burner,
ignitor
and
flamerod.
CONTROL/MANIFOLD
COMPARTMENT
Unit
control
enclosure
to
have
hinged
access.
Terminal
strip
and
all
wiring
shall
be
numbered.
The
controls
for
the
heater
shall
include;
•
blower
motor
starter
w/ambient
compensated
overloads
and
auxiliary
contact(s).
•
primary
to
120v
control
transformer
•
6,ooo
volt
ignition
transformer
•
control
circuit
breaker
and
service
switch
•
manual
reset
temperature
high
limit
•
flamesafeguard
relay
w/
LED
status
and
flamerod
•
discharge
temperature
control
sensor
•
differential
air
proving
safety
switch
•
automatic
low
temperature
limit
(optional)
All
wiring
external
to
control
enclosure
shall
be
run
in
conduit.
The
gas
manifold
shall
include;
•
main
gas
pressure
regulator
•
high
gas
pressure
regulator
(optional)
•
manual
shutoff
&
test
firing
valve
•
main
gas
automatic
shutoff
valve
•
auxiliary
main
gas
automatic
shutoff
valve
•
modulating
control
system
•
pilot
pressure
regulator
•
pilot
automatic
shutoff
valve
•
pilot
manual
shutoff
valve
•
pilot
needle
valve
•
multiple
test
ports