Robertshaw BP Series User Manual
An ISO 9001 – 2000 Certified Company
Product Description
Robertshaw bypass non-electric zone dampers are
Simply the Right Choice™ to maintain proper airflow
and static pressure throughout the HVAC system.
A bypass system should incorporate bypass dampers
and a static pressure control device. We offer
non-electric barometric pressure dampers that are
self-regulating and field adjustable. They maintain
proper static pressure in the system without requiring
sensors or wiring. Robertshaw bypass dampers are
compatible with forced air and constant volume zone
systems requiring bypass air to maintain proper
static pressure.
Our bypass dampers can be mounted vertically or
horizontally due to unique static pressure with the
weight on either side for installation and adjustment
convenience. They are available in two sizes and can
be used with HVAC equipment with capacities of up
to five tons of cooling. All shells are constructed of
rolled galvanized steel with stiffening ribs to maintain
rigidity. A single steel offset blade is attached to a
one-piece steel shaft connected with nylon bearings
for smooth operation.
Features and Benefits
Lightweight for easy installation.
Stiffening ribs maintain rigidity.
Nylon bushings eliminate blade slippage and provide
smooth operation.
Positive sealed blade close-off.
No wiring is required.
Reversible design allows for right- or left-handed flow.
Vertical or horizontal mounting.
BYPASS ZONE
DAMPERS
BP
Series
When Zoning Should Be Used
Robertshaw Zone Control Systems are compatible with
forced air heating and cooling systems, and they are ideal
for homes and building that exceed 2,500 square feet.
Zoning systems help overcome many of the heating and
cooling problems associated with spacious living and
working area, as well as contemporary architectural
features. You should consider zoning if your project is a
multiple-level home or building, a rambling structure like
ranch-style housing or schools, and has:
– Large glass windows susceptible to sunlight that varies
internal temperatures at different times of the day.
– Wings or additions extending from the main area.
– Vaulted ceilings, skylights, atriums or solariums.
– Finished attic, basement or room over the garage.
– Concrete slab flooring.
191 E. North Avenue
Carol Stream Illinois 60188 USA
Customer Service Telephone 1.800.304.6563
Customer Service Facsimile 1.800.426.0804
HVACCustomerService@invensyscontrols.com
www.RobertshawTstats.com
www.invensyscontrols.com
©2008 Invensys Controls
For Technical Service
Telephone 1.800.445.8299
Facsimile 1.630.260.7243
technicalservice@invensyscontrols.com
3505 Laird Road Unit #14
Mississauga Ontario L5L 5Y7 Canada
Customer Service Telephone 1.800.387.7978
Customer Service Facsimile 1.905.828.1265
CanadianCustomerService@invensyscontrols.com 10/08 – 150-1578E
Specifications
Item BP Bypass Damper
Ambient ratings 0˚F to 120˚F (-17˚C to 49˚C)
Dimensions Round: 10”, 12”, 14”, 16”
(25.4cm, 30.5cm, 35.6cm, 40.6cm)
Length: Diameter +3/4” wide
26-gauge galvanized steel
Weight 4.9 lb. to 6.0 lb.
(2.2 kg to 2.7 kg)
Shell 26-gauge galvanized steel
Blade 18-gauge galvanized steel
Axle 3/8” diameter steel shaft
Bearings Nylon
Robertshaw Panels
Classic panel: up to 3 zones
Deluxe panel: up to 7 zones
Premier panel: up to 19 zones
Robertshaw Dampers
Rectangular motorized zone dampers
Round motorized zone dampers
Bypass non-electric zone dampers
Robertshaw Thermostats
Programmable thermostats
Digital non-programmable thermostats
Mechanical thermostats
Robertshaw®Zone Control Systems
Ordering Information
Order number Ex. BP-10
Type BP (Bypass Damper)
Size 10 (10”, 12”, 14”, 16”)
BYPASS ZONE
DAMPERS
BP
Series
Invensys®, Robertshaw®, SlimZone
®
and Simply the Right Choice™ are
trademarks of Invensys plc., its
subsidiaries and/or affiliated companies.
All other brands mentioned in this
document may be the trademarks of
their respective owners.
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