Crestron CHV-RTS & CHV-RTHS
Remote Temperature/Humidity Sensors
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.
©2004 Crestron Electronics, Inc.
Crestron CHV-RTS/CHV-RTHS Remote Temperature/Humidity Sensors
Contents
Remote Temperature/Humidity Sensors:
CHV-RTS/CHV-RTHS 1
Introduction......................................................1
Specifications...................................................2
Physical Description ........................................2
Industry Compliance........................................3
Installation .......................................................4
Hardware Hookup............................................5
Problem Solving ..............................................8
Further Inquiries...............................................8
Future Updates .................................................8
Return and Warranty Policies..........................9
Merchandise Returns / Repair Service.............9
CRESTRON Limited Warranty.......................9
Installation Guide - DOC. 8189A Contents • i
Crestron CHV-RTS/CHV-RTHS Remote Temperature/Humidity Sensors
Remote Temperature/Humidity
Sensors: CHV-RTS/CHV-RTHS
Introduction
The CHV-RTS is a remote temperature sensor.
The CHV-RTHS is a remote temperature/humidity sensor.
Both products connect to the Crestron family of remote controlled
thermostat products, which includes two models: CHV-TSTAT and
CHV-THSTAT series. The thermostats are available with and without a
humidity sensor (all thermostats contain a temperature sensor).
Firmware release 1.0 supports the addition of two optional remote sensors
in any combination (two temperature, two temperature/humidity, or one of
each).
Firmware release 2.0 supports the addition of up to four optional remote
sensors, in any combination, for each thermostat.
Outdoor conditions can be imported from the optional external sensors
CHV-RTS or CHV-RTHS, temperature and temperature/humidity
respectively.
Functional Summary
Installation Guide - DOC. 8189A Remote Temperature/Humidity Sensors • 1
• Small and unobtrusive face allows blending into any décor
• Primed white, may be used as is, painted, or wallpapered
• Easy one-piece mounting (additional hardware not required)
• Readily connects to thermostat with two non-polarized wires
Remote Temperature/Humidity Sensors Crestron CHV-RTS/CHV-RTHS
Specifications
SPECIFICATION DETAILS
Temperature Range (CHVRTS and CHV-RTHS)
Humidity Range (CHV-
-30º to 120ºF (-34.44Cº to
48.89ºC)*
0 to 100%
RTHS only)
*Thermostat front panel indoor temperature display is limited to a range
of 0 – 110ºF (-18º to 43ºC). 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 face of the sensor is 1.5 in (3.81 cm) wide. The sensor body is 2.22 in
(5.64 cm) long, and mounts nearly flush to the wall.
The CHV-RTS and CHV-RTHS remote sensors are contained in a
cylindrical plastic body with a metal cap. They mount in a one-inch
diameter hole, exposing a 1.5 in (3.81 cm) diameter disk that protrudes
approximately 1/8 in (0.32 cm) from the surface of the wall. Total
mounting depth is about 2.25 in (5.72 cm).
Front and Angled Views
)
n
i
m
0
c
5
.
1
8
1
.
3
(
2 • Remote Temperature/Humidity Sensors Installation Guide – DOC. 8189A
1.59 in
(4.04 cm)
Mounting Clips
Crestron CHV-RTS/CHV-RTHS Remote Temperature/Humidity Sensors
Rear and Angled Views
Pigtail
10 in
(25.40 cm)
22 AWG
Side Views
1/8 in
0.32 cm
2.22 in
Wall
(5.64 cm)
Industry Compliance
As of the date of manufacture, the CHV-RTS/CHV-RTHS have been
tested and found to comply with specifications for CE marking and
standards per EMC and Radiocommunications Compliance Labelling
(N11785).
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 Guide - DOC. 8189A Remote Temperature/Humidity Sensors • 3
Remote Temperature/Humidity Sensors Crestron CHV-RTS/CHV-RTHS
Installation
1. Ensure that the location is not close to a heat or humidity source and
away from direct sunlight, skylights, and windows. When mounting
the sensor outdoors, do not place in direct sunlight, and do not place
where the sensor will be directly exposed to precipitation. Sensors are
suitable for mounting in dry or damp locations as defined by the
National Electrical Code.
2. Locate an area on the wall that is free of miscellaneous wiring and
studs.
3. Make a small hole near the center of the designated mounting site to
verify that the location is suitable.
4. Drill or cut a 1 in (2.54 cm) diameter circular hole in the wall at the
desired position.
5. Route the wires from the thermostat to the sensor. For thermostat
connection details, refer to the latest version of Crestron CHV-TSTAT
& CHV-THSTAT Thermostats Operation and Installation Guide,
Doc. 8163.
NOTE: Crestron strongly recommends 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 when using remote sensors. Maximum distance from
sensor to thermostat is 500 ft, 152.4 m
If multi-conductor cables are used, the leftover conductors must NOT be
used for other purposes and must be left unconnected at both ends.
In situations where ordinary two-conductor thermostat wire (18 to 20
gauge) has been installed, it may be used for runs up to 100 feet (30.48
meters). This is not a preferred method of installation.
Other cable types are satisfactory, provided the total capacitance is less
than 7000 pF.
6. Connect the wires from the thermostat to the 10 in (25.4 cm) sensor
pigtail (22 AWG x12" black/black twisted pair) using wire nuts. The
wires are non-polarized. (Refer to “Hardware Hookup” on page 5).
4 • Remote Temperature/Humidity Sensors Installation Guide – DOC. 8189A
Crestron CHV-RTS/CHV-RTHS Remote Temperature/Humidity Sensors
7. Press fit the sensor into the hole; the clips on either side of the sensor
hold it in place.
Wire Nuts
Pigtail Wires from Sensor
Mounting Clips
Wires from Thermostat
1in (2.54cm) Hole
NOTE: The face of the sensor may be painted or wallpapered to match
the wall. However, keep the small gap around the outer edge clear of any
obstructions.
Hardware Hookup
The sensors are connected to the remote sensor terminals RS1, RS2, and a
common connection RSR 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.
Thermostat firmware release 1.x supports the addition of only two
optional remote sensors (temperature and/or temperature/humidity) per
thermostat on sensor inputs RS1 and RS2.
Thermostat firmware release 2.x supports up to four optional temperature
(CHV-RTS) or slab sensors (CHV-RSS) or two temperature/humidity
sensors (CHV-RTHS).
If you are using one temperature/humidity sensor, then you may add two
temperature sensors (CHV-RTS or CHV-RSS) to the other sensor input.
Installation Guide - DOC. 8189A Remote Temperature/Humidity Sensors • 5
Remote Temperature/Humidity Sensors Crestron CHV-RTS/CHV-RTHS
Connection Example 1: Connecting two temperature/humidity sensors to
the thermostat (maximum number of temperature/humidity sensors):
NOTE: Sensor wiring is non-polarized
1. Remote sensor 1 connected to RS1 and RSR
2. Remote sensor 2 connected to RS2 and RSR
Remote Sensor 1
Remote Sensor 2
TOP
Y
Z
RS1
RS2
HUM
RSR
RSR
RHU
24(C)
24(R)
Thermostat Backplate
24V
G
Connection Example 2: Connecting four temperature sensors
(CHV-RTS) to the thermostat (maximum number of temperature sensors):
1. Remote Sensor 1 and 3 are connected to RS1 and RSR.
2. Remote Sensor 2 and 4 are connected to RS2 and RSR.
Remote Temperature Sensor 4
Remote Temperature Sensor 3
Remote Temperature Sensor 2
Remote Temperature Sensor 1
TOP
Y
Z
RS1
RS2
HUM
RSR
RSR
RHU
24(C)
24(R)
24V
G
Thermostat Backplate
6 • Remote Temperature/Humidity Sensors Installation Guide – DOC. 8189A
Crestron CHV-RTS/CHV-RTHS Remote Temperature/Humidity Sensors
Connection Example 3: Connecting one temperature/humidity sensor
(CHV-RTHS) and two temperature sensors (CHV-RTS) to the thermostat
(maximum number of sensors when using one temperature/humidity
sensor):
1. Remote Temperature/Humidity Sensor 1 is connected to
RS1 and RSR.
2. Remote Temperature Sensor 1 and 2 are connected to
RS2 and RSR.
Remote Temperature Sensor 2
Remote Temperature/Humidity
Sensor 1
Remote Temperature Sensor 1
TOP
Y
Z
RS1
RS2
HUM
RSR
RSR
RHU
24(C)
24(R)
24V
G
Thermostat Backplate
NOTE: For additional firmware details, refer to the latest version of the
Crestron CHV-TSTAT/CHV-THSTAT Thermostats Operations and
Installation Guide, Doc. 8163, and CHV-RSS Slab Sensor Installation
Guide, Doc. 6229. These documents are available on the Crestron website
(www.crestron.com).
Installation Guide - DOC. 8189A Remote Temperature/Humidity Sensors • 7
Remote Temperature/Humidity Sensors Crestron CHV-RTS/CHV-RTHS
Problem Solving
Further Inquiries
If after reviewing this Installation Guide, you cannot locate specific
information or have questions, please take advantage of the Crestron
award winning customer service team by calling:
• In the US and Canada, call Crestron’s corporate headquarters
at 1-888-CRESTRON [1-888-273-7876].
• In Europe, call Crestron International at +32-15-50-99-50.
• In Asia, call Crestron Asia at +852-2341-2016.
• In Latin America, call Crestron Latin America at
+5255-5093-2160.
• In Australia and New Zealand, call Crestron Control
Solutions at +61-2-9737-8203.
Future Updates
As Crestron improves functions, adds new features, and extends the
capabilities of this product, 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 (www.crestron.com
update availability and its relevance. Updates are available from the
Download | Product Manuals section and are identified as an “Addendum”
in the Download column.
) periodically for manual
8 • Remote Temperature/Humidity Sensors Installation Guide – DOC. 8189A
Crestron CHV-RTS/CHV-RTHS Remote Temperature/Humidity Sensors
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. 07647, 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.
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Installation Guide - DOC. 8189A Remote Temperature/Humidity Sensors • 11
Crestron Electronics, Inc. Installation Guide – DOC. 8189A
15 Volvo Drive Rockleigh, NJ 07647 09.04
Tel: 888.CRESTRON
Fax: 201.767.7576 Specifications subject to
www.crestron.com change without notice.
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