Redwood
System Insta llation
Guide
Redwood version 2.1
August 2012
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Redwood System Installation Guide
Table of Contents
1 Redwood System Installation Guide ........................................................................................... 3
1.1 Installation Preparation ........................................................................................................................... 3
1.2 High-Level Architecture .......................................................................................................................... 3
1.3 Components ........................................................................................................................................... 4
1.4 Redwood Communication Point Options ................................................................................................ 6
2 Power Requirements and Recommendations ............................................................................ 7
2.1 Low-Voltage Cabling Requirements ....................................................................................................... 7
2.2 Redwood Engine Power Requirements .................................................................................................. 7
2.2.1 Redwood Director Power Requirements ..................................................................................... 9
3 Redwood Platform Installation .................................................................................................. 10
3.1 Redwood Director & Engine Location ................................................................................................... 10
3.2 Route Network and Power Cables ........................................................................................................ 10
3.3 Lay Out Low-Voltage Cabling............................................................................................................... 10
4 Install Components ..................................................................................................................... 12
4.1 Installing Gateways, Sensors & Adaptors in Air-handling Spaces ........................................................ 12
4.2 Install Redwood Engine(s) .................................................................................................................... 12
4.3 Install Redwood Director ....................................................................................................................... 13
4.4 Connect Redwood Low-Voltage Cabling (Category Cabling Option) ................................................... 13
4.4.1 Using the Redwood Patch Cord without RJ-45 for punch down ............................................... 14
4.5 Connect Redwood Low-Voltage Cabling (Low-Voltage Wiring Option) ................................................ 15
4.5.1 Using the Phoenix Connectors ................................................................................................. 15
Install Redwood Compatible Fixtures ................................................................................................... 15
4.6
4.7 Install Redwood Universal Gateways ................................................................................................... 16
4.8 Install Redwood Sensors ...................................................................................................................... 17
4.9 Install Redwood Adapters ..................................................................................................................... 17
4.10 The Redwood Sensor & Adapter Enclosure Box .................................................................................. 17
4.10.1 Installing the Redwood Adapter in the Enclosure Box ............................................................. 18
4.10.2 Installing the Redwood Sensor in the Enclosure Box ............................................................... 18
4.11 Install Redwood Wall Switches ............................................................................................................. 19
4.12 Install Redwood Universal Gateway – Outage Relay ........................................................................... 19
GUIDE
5 Emergency Lighting System ...................................................................................................... 20
6 Power Up & Connect Engines .................................................................................................... 21
6.1 Default Configurations .......................................................................................................................... 21
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1 Redwood System Installation Guide
This System Installation Guide provides general overview instructions for installing the following
components of the Redwood lighting system:
• Redwood Director
• Redwood Engine
• Redwood Sensors, Gateways, and Adapters
• Redwood W all Switches
• Redwood com patible fixtures
• Electrical wiring (to Redwood Engines)
• Low-voltage cabling (to Redwood com patible fixtures)
For information on the Redwood Manager or help in commissioning light fixtures, see the Redwood User
& Commissioning Guide.
For detailed product-specific installation instructions, see the respective Installation Guides.
IMPORTANT NOTE
The Redwood Engine, Director, Sensors and Gateways are designed for commercial use only and
are not for household use.
1.1 Installation Preparation
The following sections provide an overview of Redwood’s structural design, architecture and
components. It will also discuss the requirements and recommendations for the installation process.
1.2 High-Level Architecture
Redwood Building-Performance Lighting Platform
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Redwood System Installation Guide
1.3 Components
Redwood components are described briefly below. For more details on each component, refer to the
specifications in the second half of this document.
Component Location Function
GUIDE
Redwood Director is
a 1U rack mountable
Linux-Powered
appliance that
manages a cluster of
Redwood Engine
Redwood Engine a
2U rack or wall mount
LED power and
control platform
Redwood LED
Gateway connects to
Sensor, Fixture and
Engine
Redwood Universal
Gateway connects to
Sensor, Relay and
Engine
Redwood Universal
Gateway — Outage
Relay connects to a
dry contact relay and
Engine
Wiring closet or
central office
Wiring closet or
central office
Installed above
ceiling or surface
mounted next to
each fixture
Installed above
ceiling or surface
mounted next to
each fixture
Installed near the
load, the engine,
or a in a
centralized
location
It provides unified management,
control and reporting on a cluster of
more than 8 Redwood Engines.
Hosts the Redwood Open
Application Framework, which
provides two-way communication
and systems integration between the
data collected by the Redwood
Platform and other external
applications or systems.
Manages policies, communicates to
Redwood Gateways, distributes lowvoltage DC power to all fixtures, and
collects sensor data.
Profiles fixtures, aggregates sensor
data, sends sensor data to the
engine, and manages power
connections between engines and
fixtures.
Turns on and off any light fixture type
(e.g. fluorescent, CFL, HID, LED,
etc.) and provides output signals to
control one or two external dry
contact relays.
Designed for applications that require
a load to be switched on during a
loss of normal power or an engine
failure, the relay can activate a
system in the specific area(s) served
by the Engine.
Redwood Sensor
connects to Gateway
and provides data for
lighting control and
building intelligence
Redwood Adapter
integrated Sensor and
Gateway
4 Redwood System Installation Guide v2.1
Installed in ceiling
tile and/or
alongside each
fixture or group of
fixtures
Installed alongside
each fixture
Collects data on light levels,
occupancy and temperature. The
Sensor communicates with a
Redwood Gateway via preterminated cabling and RJ25
connectors to send information to the
Redwood Engine.
Connects the Engine to each fixture
and communicates data about light
levels, motion detection, and
environmental conditions.
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Component Location Function
GUIDE
Redwood Sensor &
Adapter Enclosure
Redwood Manager
control software
Redwood Dimmer
Wall switch with
sensing capabilities
Redwood Scene
Control Wall switch
with scene selection
and sensing
capabilities
Installed over
Redwood Adapter
or Sensor
Accessible via web
browsers that can
connect to the
Redwood subnet
Wall-mounted Allows for manual light manipulation
Wall-mounted Allows for selecting a scene and
Sites without a drop ceiling may
utilize this Enclosure to be placed
around the standard Adapter Card or
Sensor.
Enables commissioning, the
management of lighting policies,
reporting, and maintenance tracking.
and can sense motion, ambient light
and ambient temperature.
manual light manipulation and can
sense ambient temperature.
Redwood Wall
Mount Kit for
mounting the Engine
against a wall
Redwood Universal
Gateway Wiring
Harness to the dry
contact relay
Redwood Patch
Cord with RJ45
connector for
connecting engines
and patch panels
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Wiring closet or
central office
Installed above
ceiling
Located on rack
units where
Engines are
installed
The Redwood Engine can be
installed flush against a wall using
the Redwood Wall Mount Kit
Connect the Dry Contact Relay for
the fixture to the Universal Gateway
using the provided Redwood
Universal Gateway wiring harness.
Connects Engine outputs to standard
RJ45 patch panels for category
cabling installs.
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Redwood System Installation Guide
Component Location Function
GUIDE
Redwood Patch
Cord without RJ45
for connecting engines
to punch down panels
Category cable
(not provided)
AWG 18,Class II lowvoltage, or 2/4/6
conductor pairs
wiring
(not provided)
Redwood LED
Fixture extension
cables
Redwood compatible
fixture
(not provided)
Connects fixture
Located on rack
units where
Engines are
installed
Connects Engines
to adapters,
gateways, and wall
switches
Connects
Redwood Engines
to adapters,
gateways, and wall
switches
whip to Redwood
gateway
Installed inside the
building
1.4 Redwood Communication Point Options
Connects Engine outputs to standard
punch down panels for category
cabling installs.
Transmits data and low-voltage
power to Redwood compatible
fixtures, Redwood Gateways and
Redwood wall switches.
Transmits data and low-voltage
power to Redwood-compatible
fixtures and Redwood wall switches.
Extends a standard fixture whip
when the gateway is further than 24”
(60cm) from the fixture.
Light source
The Redwood Engines can communicate to loads, fixtures and Sensors via the following mechanisms.
1. The Redwood LED and Universal Gateway is a two component, structured cabling-friendly
option that works with the Redwood Sensor. This option was designed for greater flexibility
during installation: there are connector options for category or 18AWG cabling, which connect to
a separate sensor for installation in different spaces.
2. The Redwood Universal Gateway – Outage Relay is used in conjunction with a dry contact
relay to communicate the system health of a Redwood Engine. Designed for applications that
require a load to be switched on during a loss of normal power or an engine failure, the relay can
activate a system in the specific area(s) served by the Engine.
3. The Redwood Adapter, which integrates the sensor and gateway into one component. Ideal
when a separate gateway and sensor are not required.
These are described in this document.
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2 Power Requirements and Recommendations
2.1 Low-Voltage Cabling Requirements
An LED Gateway or Adapter connected to a fixture requires 1, 2, or 3 ports from the Engine to power the
fixture, depending on the power requirement specifications of the fixture. A port can be connected with
either standard category cabling, or with 18 AWG low-voltage wiring, comprised of stranded or solid
wire.
In the case of category cable, all four twisted pairs will be used to form one port connection to the
engine.
For 18 AWG wiring, the cable may be shielded or unshielded. For both cases, the wiring or cable must
be UL listed, such as types CL2 or CM, and suitably rated for its intended installation environment (e.g. –
P if the cabling is routed through plenums).
To minimize voltage loss in the cable, the following maximum run-lengths should be observed:
Low-voltage wire type Max Length (ft) Max Length (m)
Category Cable (5e, 6/6a) 328* 100*
18 AWG 328 100
* The 328ft/100M length can only be achieved when all four twisted pairs will be used to form one port
connection to the engine; otherwise the length is limited to 75ft/23 meters.
2.2 Redwood Engine Power Requirements
The Redwood Engine is available in two versions: a 277V AC power input version and a 120V - 250V
AC power input version.
A dedicated branch circuit for each Engine is recommended. However, you can have two 277V engines
on a single 20Amp circuit provided these are the only equipment on the circuit. This will ensure that no
other loads on the same circuit draw too much current from the branch circuit and thereby not allow the
Engine or Engines to operate continuously.
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REDWOOD
UNIVERSAL ENGINE
RE64-2G-277
277V 15A
LOCKING NEMA
L7-15P
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REDWOOD
UNIVERSAL ENGINE
RE64-2G-120-250
250V 20A
INLET
IEC 60320-C20
Note: Minimum branch circuit is required for a single engine, given the standard 80% de-rating.
Model Number Operating Voltage
Current
Required
RE64-2G-277 277 VAC, 50-60Hz 7A 10A 1580W
RE64-2G-120-250 120 VAC, 50-60Hz 16A 20A 1580W
200 – 250 VAC, 50-60Hz 10A 20A 1580W
Minimum Branch
Circuit Required
Max Power
Consumption
The Engine also ships with power cords that are specific to geographic location and voltage. It is
important to specify country and voltage requirement when ordering.
IMPORTANT NOTES
• The internal components are not field-serviceable.
• If any internal fuses require replacement, return the equipment to the manufacturer.
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2.2.1 Redwood Director Power Requirements
The Redwood Director requires a 100V–240V AC power input, 50–60Hz. Specifications are listed below.
Model Number Operating Voltage Max Power Consumption
DIR-1G 100-200 VAC, 50-60 Hz, 4/2-1.8A 350W
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Redwood System Installation Guide
3 Redwood Platform Installation
This section describes the installation of the components of the Redwood Building-Performance Lighting
Platform.
3.1 Redwood Director & Engine Location
Redwood Director is used when there is a cluster of more than 8 Redwood Engines or if the Redwood
Open Application Framework, which provides two-way communication and integration with other
external systems, will be used as part of the deployment.
Determine location for Redwood Director and all Redwood Engines. Director is a 1U, while the Engine is
a 2U rack mountable system and can each be installed in a standard server rack via supplied rackmounting brackets. The Engine can also be mounted to the wall with a Redwood Systems Wall Mount
Kit.
For detailed instructions, see the installation guides for Redwood Director and Redwood Engine.
3.2 Route Network and Power Cables
It is recommended that all fixtures and Redwood components be installed with power and network
connectivity turned off. Low-voltage cables can be unconnected and reconnected without danger of
electric shock or equipment damage, but it is recommended that the initial installations and connections
be performed with an un-powered system.
3.3 Lay Out Low-Voltage Cabling
Each fixture and wall switch requires a homerun cable connection to the Redwood Engine – the Redwood
Platform will use this cable for power and is able to communicate over the same line.
For Category Cable
• Lay out category cable from the Engine to each installed fixture and Redwood wall switch (either
model).
• If using the RJ45 connector, it can be wired as T568A or T568B, which are straight through, or
crossover arrangements.
For AWG 18 low-voltage wiring
• Lay out 18 AW G wiring from the Engine to each installed fixture and Redwood wall switch.
• Strip wire ends to ¼” (0.6cm) on each end.
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IMPORTANT NOTE
It is up to the electrical contractor to design the EMERGENCY LIGHTING solution. See the
section on Emergency Lighting in this document to learn more about the Universal Gateway –
Outage Relay.
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Redwood System Installation Guide
4 Install Components
Once the cabling has been laid out you are ready to begin the overall installation. Detailed installation
instructions are available for each of the Redwood components. A short summary is included below.
4.1 Installing Gateways, Sensors & Adaptors in Air-handling Spaces
The Redwood Gateways, Sensors and Adaptors have been tested by UL to UL2043 that ensures low
smoke-emitting characteristics and suitable fire resistance for equipment that may be installed in
environmental air handling spaces, as described in Article 300.22(c) of the NEC (2011).
When the product is installed in air-handling spaces, such as above some suspended ceilings, the cabling
employed should be suitable under NEC (2011) Article 800.154 and marked accordingly for use in
plenums and air-handling spaces with regard to smoke propagation, such as CMP. The products and
wiring means should be installed in accordance with all applicable local regulations and practices.
4.2 Install Redwood Engine(s)
Depending on the location and number of engines you are
installing, the Engine is a 2U rack mountable system and
can be installed in a standard server rack via supplied rackmounting brackets or to the wall with a Redwood Systems
Wall Mount Kit.
See detailed instructions in the corresponding Redwood
Engine Installation Guide.
Engine can be rack mounted or secured to a wall using the Wall Mount Kit
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IMPORTANT NOTES
• The Engine requires 6 inches or more clearance for the fans to operate properly.
• Ensure that air vents are not blocked and that the conditions support the maximum ambient
operation temperature listed in the Engine Specification Sheet.
4.3 Install Redwood Director
Director is a 1U rack mountable system and can be installed in a standard server rack via supplied rackmounting brackets. A Redwood Director is required when you have a cluster of between 8 and 128
Engines. It connects to the network and manages the cluster via Ethernet.
4.4 Connect Redwood Low-Voltage Cabling (Category Cabling Option)
Category 5e or 6/6a cabling can be used to connect Redwood Engines to Redwood Gateways. Use the
Redwood Patch Cord to make the connection from the Engine to the patch panel; category cable is then
run from the patch to the gateway.
Each Redwood Patch Cord should be connected from a bank on the front of the Engine to a patch panel,
which is connected to respective Redwood Gateways and Wall Switches. Each Redwood Patch Cord will
provide connection for up to 8 ports/channels.
An example is depicted below, showing the punch down of Category 5 cable at the back of a patch panel
that connects to the LED Gateway.
Example connecting Redwood Engine to Patch Panel using the Redwood RJ45 Patch Cable
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Redwood System Installation Guide
4.4.1 Using the Redwood Patch Cord without RJ-45 for punch down
Connect the cables from gateways, sensors, and wall switches to Engine channels by removing the jacket
and “punching down” the wires.
Connect Redwood Engine to Patch Panel using the Redwood Patch Cord without RJ45
connectors
IMPORTANT NOTES & RECOMMENDATIONS
• The category cable should be punched down at the patch panels according to T568A or
T568B standards, which are straight through or cross over arrangements
• If a fixture requires more than one channel for power, use additional wiring (see each
fixture’s specification for requirements). Note that all additional channels for a 2 or 3
channel fixture must be connected to the same Engine. Wiring for an individual fixture cannot
be spread across multiple Engines.
• For one Engine in a group of co-located Engines, it is recommended that one detachable
bank of eight ports be left unused. This facilitates future expansion of the system and also
provides a best practice when repair work is necessary.
• It is also recommended that the fixtures in a single space be interleaved across Engines. This
will ensure some light still remains in a space in the event of an electrical failure affecting an
Engine; only a portion of the lights in a room would turn off.
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4.5 Connect Redwood Low-Voltage Cabling (Low-Voltage Wiring Option)
Low-voltage wiring (18 AWG) can be used to connect Redwood Engines to Gateways, Sensors, and Wall
Switches. When connecting to the Engine you can use the Redwood Patch Cord without RJ-45 for punch
down or 18AWG via the included Phoenix Connectors.
4.5.1 Using the Phoenix Connectors
Connect the cables from Gateways, Sensors, and Wall Switches to Engine channels by inserting the
stripped cable end into the screw terminal of the removable connector blocks. (8 Phoenix connectors are
included - see picture below.)
Insert the connector blocks into the mating connector on the front of the Engine and tighten the screw
terminal to a torque of 2-4 in-lbf (0.22-0.25 Nm). Bare conductors should not be exposed after installation
is complete.
See the Redwood Engine Installation Guide for more information.
Example connecting 18AWG to Redwood Engine using the Phoenix Connectors
4.6 Install Redwood Compatible Fixtures
Install third-party light fixtures according to the vendor’s installation instructions.
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Redwood System Installation Guide
4.7 Install Redwood Universal Gateways
Redwood LED Gateway for LED fixtures and Universal Gateway for
fluorescent, CFL, HID, LED, etc. fixtures
Redwood LED Gateways and Universal Gateways are installed next to each fixture. LED Gateways and
are designed to work specifically with Redwood Ready LED fixtures. The Universal Gateways turn on
and off any light fixture type (e.g. fluorescent, CFL, HID, LED, etc.) and provides output signals to
control one or two external dry contact relays.
Each Gateway stores fixture-specific information that assists in installation and commissioning.
IMPORTANT NOTES
• The Redwood LED gateway must be within 6 feet (1.8m) of Redwood Sensor.
• Make sure Gateways are connected to the paired fixture counterpart. For example, an LED
Gateway ships paired with a specific fixture type and must be installed with the matching
fixture type otherwise it may not operate as expected, at all, or even be damaged due to the
incorrect current level.
• Redwood enabled fixtures often come with connection whips that are 24 inches (60cm). If
placing the Gateways more that 12 inches (30cm) from the edge of a fixture, a Redwood
extender cable will be required to be used with the installation.
For more information, see the Redwood Gateway Installation Guide.
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4.8 Install Redwood Sensors
The Redwood Sensor must be installed within 6 feet (1.8m) of each fixture. Determine where in the
ceiling tile the Redwood Sensor needs to be installed.
GUIDE
For more details, see the Redwood Sensor Installation Instruction manual.
4.9 Install Redwood Adapters
The Redwood Adaptors have an integrated sensor and card and do note require a separate Gateway. They
are typically installed about 2 inches from the fixture, but with a Redwood LED Fixture extension cable,
can be up to 2 feet away from the fixture. Determine where in the ceiling tile the Redw ood A daptors
needs to be installed or use the enclosed adaptor option.
4.10 The Redwood Sensor & Adapter Enclosure Box
Sites without a drop ceiling may require the Redwood Sensor & Adapter Enclosure to be placed around
the standard Redwood Adapter or Sensor. The closed box and an exploded view with the installed
Adapter are shown in the adjacent figure.
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4.10.1 Installing the Redwood Adapter in the Enclosure Box
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To install, the Adapter is first slid into the large hole in the Adapter enclosure. The clamp is secured with
the Adapter cap flush to the enclosure’s bottom. Then the Adapter Card is plugged in with the Engine
and fixture wires attached. Wiring from the Adapter Card is trailed through the small exit channel on the
enclosure’s side. Care must be taken that the Engine and fixture wires are not pinched in this process.
The top half of the box is closed and the two halves are secured together with two 6-32 screws (provided).
The Redwood Adapter Enclosure should be mounted at two points to prevent rotation. When mounting is
complete, the Adapter must be pointed to the ground. Note that the fixture wire must be able to reach the
Adapter card within the mounted enclosure.
4.10.2 Installing the Redwood Sensor in the Enclosure Box
When installing the Redwood Sensor in the Enclosure box, be sure to use the clamp that ships with the
enclosure box and not the sensor ring as this will not fit inside the enclosure. Follow the instructions in
the prior section.
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4.11 Install Redwood Wall Switches
A Redwood Wall Switch is an optional component. The Redwood Dimmer Wall Switch allows users to
adjust light levels. The Redwood Scene Control Wall Switch allows users to select preconfigured scenes
and override light levels.
The switch does not physically connect to a fixture, but you should place it near the
lights that it controls. The fixtures that each switch controls are determined during the
commissioning phase. Wiring from the Engine to the Redwood Wall Switch must
comply with NEC Class 2 requirements.
• Cut or use an existing standard-sized wall-plate opening for a NEM A
standard, OTS switch box.
• Rem ove the front plate from the Redw ood Wall Switch by gently pulling it
from the housing. You can do this without tools.
• If you are using 18 AW G cable, strip the end of the 18 AW G cable by ¼"
(0.6cm). Insert the end of the wire into the wall switch’s screw terminal, and
tighten to a torque of 2.5 in-lbf (0.28 Nm). The adjacent images show the
positive terminal location for each switch. Note: this option is available for
both the Dimmer Wall Switch and the Scene Control Wall Sw itch .
• If you are using T568A or T568B straight through or crossover cable,
connect the RJ45 connector. Note: this option is only available for the Scene
Control Wall Switch.
• Screw the Redwood W all Switch back plate into the switch box, and snap on
the switch’s front plate.
+
Dimmer swi tch
(back)
+
Scene Control
switch (back)
For detailed instructions, see the respective installation guide for the Redwood Dimmer Wall Switch or
Redwood Scene Control Wall Switch.
4.12 Install Redwood Universal Gateway – Outage Relay
The Redwood Universal Gateway — Outage Relay can be used in conjunction with a dry contact relay to
communicate the system health of a Redwood Engine. Designed for applications that require a load to be
switched on during a loss of normal power or an Engine failure, the relay can activate a system in the
specific area(s) served by the Engine.
Once you have determined the location for all load devices and Redwood Engines, the dry contact relays
and Universal Gateways can be installed near the load, near the Engine, or a centralized location such as
the electrical room, near the breaker panel.
See detailed instructions in the corresponding Redwood Universal Gateway – Outage Relay Installation
Guide.
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Redwood System Installation Guide
5 Emergency Lighting System
This is an example of how the Redwood Universal Gateway — Outage Relay can be used in conjunction
with a dry contact relay to communicate the system health of a Redwood Engine.
The following diagram illustrates how an emergency light can be switched on in the event of or an Engine
failure or during a loss of normal power to the Engine or to the circuit that supplies power to the
emergency lights.
The dry contact relay is used to signal the status of the Engine. A closed relay signifies a powered up and
properly functioning Engine, while an open relay signifies loss of power or some other problem with the
Engine.
For more information, see the Redwood Universal Gateway – Outage Relay Installation Guide.
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6 Power Up & Connect Engines
Only after all the low-voltage cabling connections listed below are complete, connect each Engine to AC
power and turn on AC power at the breaker. Confirm that the Engine’s power light comes on.
6.1 Default Configurations
The Redwood Engines will be addressable by their IP addresses or by the Engine’s name as defined by an
IT administrator. See the Redwood User & Commissioning Guide for information on connecting the
Engines to the network and changing the default password.
After connecting the Engines, the next step is to move to the commissioning phase.
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If you have any questions concerning the operation or installation of any Redwood System’s products,
call, or email, the Redwood Support Team at the numbers below.
1 800 840 0709 (USA) Option 2
1 510 270 5360 (International) Option 2
Fax: 510 270 5364
email: support@ redwoodsystem s.com
www.redwoodsystems.com
Redwood Systems
3839 Spinnaker Court,
Fremont, CA, 94538
© 2012 Redwood Systems, Inc. All rights reserved. Redwood Systems® and the starburst logo are registered trademarks of Redwood Systems,
Inc. All other trademarks are the property of their respective owners.
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