Brochure

Product Information
Document No. 153-932
April 3, 2009
Zone Control Unit (ZCU) VAV Turnkey Solution
Siemens Building Technologies, Inc
Description
The Zone Control Unit (ZCU) is a VAV turnkey solution. It is an
applied equipment-controls package that is pre-engineered and
factory-fabricated, to dramatically reduce field installed equipment
costs. Typically the delivered solution includes the VAV box with all
controls and hydronics preassembled and leak-tested as a complete
package. Siemens guarantees leak-free operation and extends a
package warranty that ensures hassle-free operation of the entire
equipment and controls package that no other supplier can offer.
This product is patented. The ZCU package is also available with no
controls mounted and controls by others.
Technical Data
Air:
Approvals UL 916 - sub-assemblies
UL 181 - NFPA 90A
UL 1995 – CU and assemblies
Sound ARI Certified Sound Ratings
Box Liners Available in closed cell, foil or metal lined
insulation
Welding seams Welded/rivetless box for quiet/low lead
operation
Water:
Pressure Tests 24-hour holding at 95 psi, shipped with 40 psi
precharge, includes gauge to indicate that unit
is leak-free
Hydronics ATC valve, air vent, balancing valve, pre-
assembled Y-Strainer
H
2
O Coil Coil Casing – 20 Ga. galvanized steel
Coil Tubing – 1/2” O. D. × 0.025” copper
Coil Fins – 0.0045” aluminum, 10 per inch
Controls:
Protocol BACnet® or LonMARK®
Amb Environment 32°F to 122°F, 5 to 95% rh non-condensing
(Transformer – indoor control box use only)
Voltage 120 Vac, 50/60 Hz, 9 VA plus loads
Construction 22 Ga. Zinc Steel, with 12 Ga. rigid lift
handles, sliding access control enclosure door
Made-to-Order Solutions
The ZCU is made-to-order to meet your customer’s needs. The
delivered product is non-returnable; therefore, the utmost care is
taken during the submittal and approval processes to ensure that
your ZCU is built and delivered exactly as specified.
Features
• Field labor reduction of 3 to 5 hours depending
on prevailing labor trades and geographic
location
• Two-year fully encompassing warranty
• High accuracy airflow pickup and electronic
sensor
• Defect-free, leak-tested and shipped
pressurized with inert gas
• JIT delivery, tagged and job-specific configured
• Electronically documented with digital photos
and electronic submittals to certify operation
upon shipment
• Unique sliding control enclosure door
• BACnet or LON open protocol controls
• Union labeled, fabricated in factory with union
labor
• Power transformer with disconnect switch
mounted upon request, or power trunk
compatible
• Lift handles for easier installation, box rigidity,
quieter operation, and fewer broken airflow
pickups
• Fully NEC and local conduit code compliant
• ETL/ARI Listed assembly
• Rugged reheat coil design (heavier gauge
metals used) to avoid long-term corrosion
damage, shipping and life cycle failures
Options
• Green Building Compliant, low leakage
• Custom configurations available, including
ECM® control
• Thermostat and cable can be shipped with box