Crestron CHV-RSS
Remote Slab Sensor
Installation Guide
This document was prepared and written by the Technical Documentation department at:
Crestron Electronics, Inc.
15 Volvo Drive
Rockleigh, NJ 07647
1-888-CRESTRON
All brand names, product names and trademarks are the property of their respective owners.
©2005 Crestron Electronics, Inc.
Crestron CHV-RSS Remote Slab Sensor
Contents
Remote Slab Sensor: CHV-RSS 1
Introduction......................................................................................1
Features and Functions ..........................................................1
Specifications......................................................................... 2
Physical Description .............................................................. 2
Industry Compliance..............................................................3
Installation........................................................................................ 3
Mounting Position .................................................................3
Slab Sensor Mounting in Tile or Wood Floors .....................5
Tile Floor Mounting ..............................................................5
Wood Floor Mounting ...........................................................5
Hardware Hookup............................................................................6
Using the CHV-RSS as an Outdoor Temperature Sensor ...............7
Problem Solving............................................................................... 9
Troubleshooting.....................................................................9
Further Inquiries .................................................................... 9
Future Updates.....................................................................10
Return and Warranty Policies ........................................................11
Merchandise Returns / Repair Service ................................11
CRESTRON Limited Warranty ..........................................11
Installation Guide - DOC. 6229A Contents • i
Crestron CHV-RSS Remote Slab Sensor
Remote Slab Sensor: CHV-RSS
Introduction
Features and Functions
The CHV-RSS is a remote slab sensor ideally suited for concrete slab,
under floor or outdoor mounting. It is an extremely accurate temperature
sensor potted within a stainless steel sleeve.
The CHV-RSS joins the inventory of Crestron
which include the CHV-RTS remote temperature sensor and the
CHV-RTHS remote temperature/humidity sensor.
®
temperature sensors,
Functional Summary
• Rugged waterproof construction - stainless steel housing
• Extreme accuracy
• Easy one-piece mounting (additional hardware not required)
• Readily connects to thermostat with two non-polarized wires
These sensors connect to the Crestron family of remote controlled
thermostat products, which includes two models: CHV-TSTAT and
CHV-THSTAT series. These thermostats are available with and without a
humidity sensor (all contain a temperature sensor).
Thermostat firmware version 1.xx supports two optional remote sensors.
Thermostat firmware version 2.xx and later supports four optional remote
sensor inputs, in any combination, for each thermostat. Firmware version
2.xx and later is required if you want to use the CHV-RSS as a slab
Installation Guide - DOC. 6229A Remote Slab Sensor: CHV-RSS • 1
Remote Slab Sensor Crestron CHV-RSS
temperature sensor. Any firmware version may be used to operate the
CHV-RSS as an outdoor temperature sensor.
NOTE: If the maximum number of sensors is exceeded, some of the
sensors will be ignored by the system.
NOTE: The CHV-RTHS counts as two sensors because it measures both
temperature and humidity.
Specifications
SPECIFICATION DETAILS
Temperature Range -40º to 170º F (-40º to 77º C)*
Accuracy 1º F (0.5º C)
Wiring Two non-polarized wires
*Thermostat front panel indoor temperature display is limited to a range
of 0 to 110º F (-18º to 43º C). The front panel outdoor thermostat display
will display the full range of temperature.
Physical Description
Refer to the illustrations below and on the following page.
The sensor has a diameter of 0.32 inch (7.92 mm) and is 2.75 inches
(6.98 cm) long.
The CHV-RSS remote sensor is contained in a cylindrical stainless steel
housing.
CHV-RSS
NOTE: The sensor determines the temperature using the entire surface of
its steel housing. Do not mount the sensor where only a portion of the
housing is exposed to the environment.
2 • Remote Slab Sensor: CHV-RSS Installation Guide – DOC. 6229A
Crestron CHV-RSS Remote Slab Sensor
Physical Views of the CHV-RSS
0.312 in diameter
(7.92 mm)
2.75 in
(6.98 cm)
20 FT
(6.10 m)
Industry Compliance
As of the date of manufacture, the CHV-RSS has been tested and found to
comply with specifications for CE marking and standards per EMC and
Radiocommunications Compliance Labelling.
NOTE: This device complies with part 15 of the FCC rules. Operation is
subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Installation
Mounting Position
Crestron recommends that the sensor be placed inside a ½ inch Electrical
Metallic Tubing (EMT) conduit. This allows future sensor replacement, if
required. The radius of the bend at the wall should be approximately eight
inches, to allow for removal and replacement of the sensor.
Sensor Position – Side View
Sensor
Radius
Conduit
Installation Guide - DOC. 6229A Remote Slab Sensor: CHV-RSS • 3
Remote Slab Sensor Crestron CHV-RSS
Ensure that the sensor conduit is vertically centered in the slab below the
surface.
Sensor Conduit position in Slab
Sensor Conduit
Slab
• In small rooms, position the sensor near the center of the floor.
• In larger rooms, ensure that the sensor is at least six feet from
the wall.
• In very large spaces, two sensors may be used to average the
floor temperature.
• The sensor should be placed midway between the heating
elements.
Sensor Position – Top View
Heating Cables or Pipes
Heating Pipe or
Elements
Conduit
Midway Between
Heating Elements
or Pipes
Sensor
Center of Floor
(or 6 ft from wall
minimum in large
rooms)
Floor
4 • Remote Slab Sensor: CHV-RSS Installation Guide – DOC. 6229A
Crestron CHV-RSS Remote Slab Sensor
Slab Sensor Mounting in Tile or Wood Floors
In tile floors, ensure that a channel is made in the thin-set mortar, just
above the subflooring, to properly position the sensor.
Tile Floor Mounting
Tiles (finished surface)
Thin-set Mortar
Heating Cables or Pipes
Subfloor
Floor Joists
In wood floors, ensure that a channel is cut in the subflooring to
accommodate the slab sensor.
Wood Floor Mounting
Slab Sensor
Wood Floor
Subfloor
Floor Joists
Slab Sensor
Heating Cables or Pipes
Installation Guide - DOC. 6229A Remote Slab Sensor: CHV-RSS • 5
Remote Slab Sensor Crestron CHV-RSS
NOTE: Maximum distance from sensor to thermostat is 500 feet
(152.4 m).
– Wire runs should be low-capacitance twisted pair wire such as CAT3
(up to 250 ft, 76.2 m) or CAT5 (up to 500 ft, 152.4 m) network cable.
– Other cable types are satisfactory, provided the total capacitance is less
than 7000 pF.
Hardware Hookup
The sensors are connected to the terminal blocks on the rear plastic
housing of the thermostat. Separate the thermostat from its backplate. The
thermostat terminal blocks mate to pins protruding out of the front
thermostat assembly. Up to two sensors of any kind may be connected on
a single channel except the CHV-RTHS, which counts as two sensors
because it measures both temperature and humidity.
Connection Example 1: Connecting one air temperature/humidity sensor
and one slab sensor (a CHV-RTS or a CHV-RTHS and a CHV-RSS) to
the thermostat, each on its own channel.
NOTE: Sensor wiring is non-polarized
1. Remote sensor 1 (CHV-RTS or CHV-RTHS) connected
to RS1 and RSR to sense air temperature/humidity.
2. Remote sensor 2 (CHV-RSS) connected to RS2 and RSR
to sense floor temperature.
Thermostat Backplate
6 • Remote Slab Sensor: CHV-RSS Installation Guide – DOC. 6229A
Crestron CHV-RSS Remote Slab Sensor
Connection Example 2: Connecting two air temperature sensors
(CHV-RTS) and two floor temperature sensors (CHV-RSS) to the
thermostat.
1. Remote Temperature Sensors 1 and 2 (CHV-RTS) are
connected to RS1 and RSR.
2. Remote Temperature Sensor 3 and 4 (CHV-RSS) are
connected to RS2 and RSR.
CHV-RTS
CHV-RSS
CHV-RTS
HUM
TOP
RS1
RS2
RSR
RSR
RHU
24(C)
24(R)
CHV-RSS
24V
Y
Z
G
Thermostat Backplate
NOTE: In this example, two CHV-RSS slab sensors are used for
temperature averaging in a large room.
Using the CHV-RSS as an Outdoor Temperature Sensor
The rugged waterproof construction, stainless steel housing, and high
degree of accuracy make this sensor ideal for outdoor use.
NOTE: Mount in a location out of direct sunlight.
Required Materials (not supplied).
•
Two wood screw coaxial cable standoffs with insulators
•
One plastic feedthrough bushing
•
Silicon adhesive
Installation Guide - DOC. 6229A Remote Slab Sensor: CHV-RSS • 7
Remote Slab Sensor Crestron CHV-RSS
Refer to the following illustration.
1. Mount the sensor using two coaxial cable standoffs. If the fit is
not snug, use silicon adhesive to secure the sensor in place.
NOTE: Sensor should not come in contact with metal objects.
2. Use a plastic feedthrough bushing and pass the wires through the
outside wall.
3. Form a drip loop in the wire to prevent moisture from entering
the building.
Suggested Mounting Illustration
Outside Wall
Coaxial Cable
Standoff
Feedthrough
Bushing
CHV-RSS
Silicon Adhesive
Coaxial
Cable
Standoffs
Twisted Pair
Feedthrough
Bushing
Drip Loop
8 • Remote Slab Sensor: CHV-RSS Installation Guide – DOC. 6229A
Crestron CHV-RSS Remote Slab Sensor
Problem Solving
Troubleshooting
The following table provides corrective action for possible trouble
situations. If further assistance is required, please contact a Crestron
customer service representative.
CHV-RSS Troubleshooting
TROUBLE
No signal
POSSIBLE
CAUSE(S)
Improper
connection
Incomplete
(open) circuit
CORRECTIVE ACTION
Check connection to
thermostat (refer to
Hardware Hookup)
Check wiring
Further Inquiries
If you cannot locate specific information or have questions after reviewing
this guide, please take advantage of Crestron's award winning customer
service team by calling the Crestron corporate headquarters at
1-888-CRESTRON [1-888-273-7876]. For assistance in your local time
zone, refer to the Crestron website (www.crestron.com) for a listing of
Crestron worldwide offices.
You can also log onto the online help section of the Crestron website to
ask questions about Crestron products. First-time users will need to
establish a user account to fully benefit from all available features.
Installation Guide - DOC. 6229A Remote Slab Sensor: CHV-RSS • 9
Remote Slab Sensor Crestron CHV-RSS
Future Updates
As Crestron improves functions, adds new features, and extends the
capabilities of the CHV-RSS, additional information may be made
available as manual updates. These updates are solely electronic and serve
as intermediary supplements prior to the release of a complete technical
documentation revision.
Check the Crestron website periodically for manual update availability
and its relevance. Updates are identified as an “Addendum” in the
Download column.
10 • Remote Slab Sensor: CHV-RSS Installation Guide – DOC. 6229A
Crestron CHV-RSS Remote Slab Sensor
Return and Warranty Policies
Merchandise Returns / Repair Service
1. No merchandise may be returned for credit, exchange, or service without prior authorization
from CRESTRON. To obtain warranty service for CRESTRON products, contact the factory
and request an RMA (Return Merchandise Authorization) number. Enclose a note specifying
the nature of the problem, name and phone number of contact person, RMA number, and
return address.
2. Products may be returned for credit, exchange, or service with a CRESTRON Return
Merchandise Authorization (RMA) number. Authorized returns must be shipped freight
prepaid to CRESTRON, 6 Volvo Drive, Rockleigh, N.J., or its authorized subsidiaries, with
RMA number clearly marked on the outside of all cartons. Shipments arriving freight collect or
without an RMA number shall be subject to refusal. CRESTRON reserves the right in its sole
and absolute discretion to charge a 15% restocking fee, plus shipping costs, on any products
returned with an RMA.
3. Return freight charges following repair of items under warranty shall be paid by CRESTRON,
shipping by standard ground carrier. In the event repairs are found to be non-warranty, return
freight costs shall be paid by the purchaser.
CRESTRON Limited Warranty
CRESTRON ELECTRONICS, Inc. warrants its products to be free from manufacturing defects in
materials and workmanship under normal use for a period of three (3) years from the date of purchase
from CRESTRON, with the following exceptions: disk drives and any other moving or rotating
mechanical parts, pan/tilt heads and power supplies are covered for a period of one (1) year; touchscreen
display and overlay components are covered for 90 days; batteries and incandescent lamps are not
covered.
This warranty extends to products purchased directly from CRESTRON or an authorized CRESTRON
dealer. Purchasers should inquire of the dealer regarding the nature and extent of the dealer's warranty,
if any.
CRESTRON shall not be liable to honor the terms of this warranty if the product has been used in any
application other than that for which it was intended, or if it has been subjected to misuse, accidental
damage, modification, or improper installation procedures. Furthermore, this warranty does not cover
any product that has had the serial number altered, defaced, or removed.
This warranty shall be the sole and exclusive remedy to the original purchaser. In no event shall
CRESTRON be liable for incidental or consequential damages of any kind (property or economic
damages inclusive) arising from the sale or use of this equipment. CRESTRON is not liable for any
claim made by a third party or made by the purchaser for a third party.
CRESTRON shall, at its option, repair or replace any product found defective, without charge for parts
or labor. Repaired or replaced equipment and parts supplied under this warranty shall be covered only
by the unexpired portion of the warranty.
Except as expressly set forth in this warranty, CRESTRON makes no other warranties, expressed or
implied, nor authorizes any other party to offer any warranty, including any implied warranties of
merchantability or fitness for a particular purpose. Any implied warranties that may be imposed by law
are limited to the terms of this limited warranty. This warranty statement supercedes all previous
warranties.
Trademark Information
All brand names, product names, and trademarks are the sole property of their respective owners. Windows is a registered
trademark of Microsoft Corporation. Windows95/98/Me/XP and WindowsNT/2000 are trademarks of Microsoft Corporation.
Installation Guide - DOC. 6229A Remote Slab Sensor: CHV-RSS • 11
Crestron Electronics, Inc. Installation Guide – DOC. 6229A
15 Volvo Drive Rockleigh, NJ 07647 (2009402)
Tel: 888.CRESTRON 04.05
Fax: 201.767.7576 Specifications subject to
www.crestron.com change without notice.
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