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Intelligent
Exhaust and Ventilation Systems |
IMPORTANT
** The CPC-3 Control is being replaced
by the MPC and MPCI Controls in the
Summer
of 2018.**
Literature
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Tjernlund modulating draft, exhaust and combustion air
systems expand your design options and adapt to changing
conditions for precise control of exhaust and
ventilation processes. |
Benefits
for Architects
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Building designs not
limited or dictated by needs of
traditional exhaust and ventilation
methods. |
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Conceal exhaust
terminations and eliminate unsightly
chimneys, vents and louvers. |
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Eliminate multiple
exhaust vent roof penetrations. |
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Eliminate large wall
openings for make-up air louvers. |
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Increase exhaust
termination velocities to avoid issues
with air intakes and windows. |
Benefits for Mechanical Engineers
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Factory sized and
guaranteed vent, exhaust and combustion
air system performance. |
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Proven performance on
a wide range of applications throughout
North America. |
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Route vents with no
practical limitations. |
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Save money by
eliminating multiple vents and reducing
vent diameter. |
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Expand existing vent
capacities for equipment upgrades and
additions. |
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Automatically
modulating performance allows heaters to
operate at optimum efficiencies. |
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Maintain constant
negative pressure in common exhaust and
dryer vents. |
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Common vent category
I and III heaters. |
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MPC-Series
Demand-Based Exhaust and Supply Fan Speed Controllers |
For modulating draft
and combustion
air systems
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| Problem: Traditional chimneys and
louvers cannot adjust to changes in burner firing rates,
temperatures, winds and building pressures that can
negatively affect burner performance. What’s more, these
fixed systems are often unable to successfully handle
common venting of multiple heaters. |
Solution: MPC-Series controllers maintain desired
system pressure set points by monitoring changing system
pressure and outputting a 1-10 VDC signal to adjust fan
speed. Fan speed is automatically modulated to match
varying exhaust or supply air volume requirements.
Includes controller with integral pressure transducer
and field wiring ready terminal strips.
Factory
presets fit a majority of applications and can be easily
adjusted with two button interface. Activation status
and alarm lights with audible alarm. Auxiliary alarm
contacts. Model MPCI also includes UC1 burner interlock
for mechanical draft and combustion air applications. |
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Modulating Draft
Systems for Boilers and Water Heaters |
| Featuring the MPCI
Controller and Auto-Draft®
VSAD-Series Inducers or VSUB-Series
Universal Blowers |
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| Problem: Erratic draft is the
most common cause of heater performance and operation
problems. Traditional chimneys cannot adjust to varying
winds, temperatures, building pressures and burner
firing rates. A chimney has even a tougher time
providing stable draft when it is serving multiple
heaters. Fan assisted and condensing heaters have
specific draft requirements that are not as forgiving as
atmospheric heaters. |
Solution: Specify the MPCI Controller to
automatically monitor and modulate the speed of either
VSAD-Series Inducers or VSUB-Series Universal Blowers to
maintain optimum draft. MPCI controlled draft
systems feature 100% modulation. Add another MPC-Series
controller to modulate a separate combustion
air blower and/or control a motorized combustion air
louver. Vent heaters hundreds of feet in any direction. |
Auto-Draft® FSAD-Series
Fixed Speed Inducers |
For
single or multiple heaters with draft hood/diverter or
barometric draft control.
Exterior mount fixed speed inducer is suitable for
vertical and side wall venting. Assures a negative
pressure throughout the entire vent system. Features
integral stainless steel handles and hinged housing with
removable hinge pin for ease of installation and
service. Integral tilt switch stops fan operation if
housing is opened. Includes PSA-1 Fan Proving Switch
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Modulating
Combustion & Make-Up Air Systems |
| Featuring MPC-Series
Controlled Blowers and Fans |
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Problem:
Conventional combustion and make-up air louvers do not perform
consistently. Simply having a large opening to the
outdoors does not guarantee correct volumes of
combustion air. Depending on wind speeds and direction,
mechanical rooms may get significantly more or less air
than is actually needed. As with chimneys, combustion
air openings must be sized based on the combined firing
rate of all heaters
within the mechanical room. In reality, all heaters
rarely if ever operate at the same time. Uncontrolled
combustion air can cause problems ranging from frozen
pipes to flue gas spillage and flame roll-outs.
Solution: Tjernlund’s modulating combustion &
make-up air
systems always ensure proper air supply,
regardless of the number of heaters operating and
regardless of outdoor conditions. |
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Modulating Dryer
Venting Systems |
| Increases efficiency
and reduces energy by automatically adjusting exhaust
based on the number of dryers in use. |
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Problem: When commercial clothes dryers are
common vented the exhaust from one dryer fights
another. Residential high rises have the same problem
of properly venting multiple dryers without installing
individual exhaust vents. |
Solution: MPC-Series controlled inducers and blowers
modulate to "perfectly" exhaust common vented
clothes dryers, regardless of the number of dryers
operating. They automatically compensate for
changing pressures, temperatures and winds.
Controlled exhaust results in faster drying laundry.
Overcome Exhaust Vent Design Restrictions
Individual vents can be expensive, if not impossible
to install in multi-story buildings. Laundry room
locations often force exhaust vent lengths to exceed
the dryer manufacturers’ recommendations. MPC-Series
controlled exhaust vents can run hundreds of feet
in any direction and vent diameter can be reduced
by up to 50%. |
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