Crestron CHV-TSTAT, CHV-THSTAT User Manual
Crestron CHV-TSTAT & CHV-THSTAT
Thermostats
Operations and 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.
©2003 Crestron Electronics, Inc.
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Contents
Quick Installation Reference .....................................................................................................ii
Thermostats: CHV-TSTAT and CHV-THSTAT 1
Introduction ...............................................................................................................................1
Functions and Features................................................................................................ 1
Specifications ..............................................................................................................3
Physical Description.................................................................................................... 4
Industry Compliance ...................................................................................................6
Setup .......................................................................................................................................... 7
Network Wiring........................................................................................................... 7
Identity Code ............................................................................................................... 7
System Connections .................................................................................................... 8
Wiring Diagrams .......................................................................................................................9
Separately Powered (by an independent transformer)................................................. 9
Three-Wire Heating System Connections .................................................................10
Five-Wire Heating/Cooling System Connections......................................................11
Heat Pump Connections (Single & Two-Stage)........................................................ 12
Installation ............................................................................................................................... 14
Thermostat Setup and Operation .............................................................................................16
Setup Procedure......................................................................................................... 16
Operating the Thermostat.......................................................................................... 21
Programming Software............................................................................................................24
Programming with Crestron D3 Pro.......................................................................... 25
Programming with SIMPL Windows........................................................................ 25
Viewport ID String.................................................................................................... 36
Problem Solving ...................................................................................................................... 37
Troubleshooting......................................................................................................... 37
Further Inquiries........................................................................................................ 38
Firmware Upgrades ...................................................................................................38
Future Updates ..........................................................................................................38
Appendix A: Glossary .............................................................................................................39
Appendix B: About Heat Pumps..............................................................................................40
Return and Warranty Policies.................................................................................................. 41
Merchandise Returns / Repair Service ......................................................................41
CRESTRON Limited Warranty.................................................................................41
Operations and Installation Guide – DOC. 8163A Contents • i
Thermostats Crestron CHV-TSTAT and CHV-THSTAT
Quick Installation Reference
1. Select a suitable location and run the connecting wires from the heating/cooling system and the Cresnet system.
Refer to page 5 for a description of the thermostat connectors.
Refer to page 7 for Network wiring details.
Use the appropriate wiring diagram:
• Heating or Cooling System Powered (Refer to page 9).
• Separately Powered (Refer to page 9).
• Three Wire Heat Only with Fan (Refer to page 10).
• Five Wire Heat/Cool Systems (Refer to page 11)
• Single Stage and Two Stage Heat Pump (Refer to page 12).
2. Separate the thermostat from the backplate to expose the connections and mounting holes.
3. Mount the thermostat backplate (60 inches above the finished floor) directly to the wall with wall anchors (not
provided) and screws (not provided) or to a single-gang box (not provided) mounted horizontally, and connect
the wiring. Refer to page 14 for detailed mounting instructions and page 8 for detailed connector information. If
using a five-sided box, fill with insulation material to minimize wall air ingress.
4. Install the thermostat on the backplate (Refer to page 14).
5. Setup the thermostat (Refer to page 16).
6. Configure the thermostat (Refer to Operating the Thermostat on page 21).
ii • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163A
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Thermostats: CHV-TSTAT and CHV-THSTAT
Introduction
Functions and Features
The CHV-TSTAT and CHV-THSTAT series are wall-mounted universal thermostats
that can be part of a Crestron Home
capable of controlling one or two-stage heating and cooling systems. Each
thermostat is available in three colors: almond, black and white. The suffix ‘A’, ‘B’,
and ‘W’, respectively denotes color, e.g., CHV-TSTATB is a black unit. For
simplicity within this guide, color suffix is omitted and the designations CHVTSTAT and CHV-THSTAT are used except where noted.
Functional Summary
• User adjustable temperature and/or humidity control of one and two-stage
heating and cooling systems
• 128 x 64 transflective 2.75 inch (6.99 cm) LCD display
• Fahrenheit or Celsius indication
• Four-front panel buttons for setup, configuring and temperature/humidity
adjustments
• Back light (with each button press) for night viewing
• Supports up to two remote temperature and/or temperature/humidity sensors.
Future firmware releases will support up to four remote sensors per thermostat
• Operates as a stand-alone device or in a Cresnet
• Extended functionality as a Cresnet device for lighting control, alarms, etc.
The CHV-TSTAT provides temperature control, while the CHV-THSTAT provides
temperature and humidity control. Temperature and humidity information is
provided through a transflective LCD display. Four front panel buttons and the LCD
display provide temperature and/or humidity indication and control, current system
status, and current fan mode. The LCD also provides status indicators denoting when
heat, cool, humidity or fan outputs are energized; a message indicator, so users know
when a message is waiting to be read; a net indicator to denote when the network is
active and a hold indicator that identifies when the thermostat is overriding the
Cresnet temperature set point commands.
®
total control system. The thermostats are
®
system
Operations and Installation Guide – DOC. 8163A Thermostats: CHV-TSTAT and CHV-THSTAT • 1
Thermostats Crestron CHV-TSTAT and CHV-THSTAT
Remote Sensors
The current firmware release supports the addition of two optional remote sensors:
temperature only (CHV-RTS) and/or temperature/humidity (CHV-RTHS), for both
thermostats.
Outdoor conditions can be imported from the optional external sensors CHV-RTS or
CHV-RTHS, temperature and temperature/humidity respectively.
Subsequent firmware releases will support the addition of up to four optional remote
sensors, in any combination, for each thermostat. For additional information about
the sensors, refer to the latest revision of the CHV-RTS & CHV-RTHS Installation
Guide (Doc. 8189), which is available from the Crestron website
(www.crestron.com).
NOTE: The CHV-TSTAT and CHV-THSTAT allow the user to set a temperature
that the heating and/or cooling system maintains. This is called the “Set Point”. Refer
to “Operating the Thermostat” on page 21 for more information.
NOTE: Crestron sensors are suitable for mounting in dry or damp locations as
defined by the National Electrical Code.
NOTE: Installers should have a strong working knowledge of HVAC systems.
Heating and Cooling Systems
The CHV-TSTAT can control the following heating and cooling systems:
• One stage heat
• One stage heat, one stage cool
• One stage heat, one stage cool: heat pump with auxiliary heat
• Two stage heat
• Two stage heat, one stage cool
• One stage heat, two stage cool
• Two stage heat, two stage cool
• Two stage heat, two stage cool: heat pump with auxiliary heat
NOTE: Two Stage Heating – Unlike traditional furnaces that turn on and run at full
capacity with each demand for heating, two-stage heat operates like two separate
furnaces to maintain more consistent comfort in your home. The unit starts out
running in its first stage, and operates at a fraction of its heating capacity. This
reduced capacity is sufficient to warm your home on mild winter days. But when the
temperature outside goes very low, the furnace adjusts to full capacity (second stage)
to meet the demand for heat within the home.
Two Stage Cooling – In warm weather, the first stage of the cooling equipment
operates at a fraction of the total cooling capacity. On very hot days, the second stage
of the cooling equipment energizes, and the cooling system operates at full capacity.
2 • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163A
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Specifications
The following table provides a summary of specifications for the CHV-TSTAT and
CHV-THSTAT.
CHV-TSTAT and CHV-THSTAT Specifications
SPECIFICATION DETAILS
Power Requirements
Crestron power factor
Default Network ID 2A
Control System Update Files
2-Series Control System Version C2-2004.CUZ or later
CEN/CN-TVAV Version 5.10.13V.UPZ or later
CNMSX-AV/PRO Version 5.07.05X.UPZ or later
CNRACKX/-DP Version 5.07.06W.UPZ or later
ST-CP Version 4.00.49S.UPZ or later
LCD Display 128 x 64 Transflective 2.75 in (6.99 cm)
Screen Viewing Angles
Humidity Range 0 – 100%
Auto Setpoint Range (union of heat
and cool setpoint ranges)
Heat Only Setpoint Range 38 –- 89°F (3 – 32°C)
Cool Only Setpoint Range 59 –- 99°F (15 – 37°C)
Temperature Measurement Range 0 – 110° (-18 – 43°C)
Firmware Update Files4
CHV-TSTAT/CHV-THSTAT
Update Files
Dimensions and Weight Height: 3.75 in (9.50 cm)
1,2,3
2 Watts (24 VAC @ 83mA) Heating or
Cooling System Supplied
<1Watt (required for Cresnet
communication only)
Y Dir. (X=0º): +50º (from top) –50º (from
bottom)
X Dir. (X=10º): +50º (from right) –50º
(from left)
38 –-99°F (3 – 37°C)
CHVTSTAT.xx.UPG or later
CHVTHSTAT.x.x.UPG or later
Width: 5.00 in (12.70 cm)
Depth: 1.04 in (2.63 cm)
Weight: 5.80 oz (165 g)
1. The latest versions can be obtained from the Downloads | Software Updates section of the Crestron
website (www.crestron.com)
2. Crestron 2-Series control systems include the AV2, CP2, CP2E, MP2, MP2E, PAC2, PRO2, and
RACK2.
3. CNX update files are required for either CNMSX-AV/Pro or CNRACKX/-DP. Filenames for CNX
update files have a UPZ extension and ST-CP files are in one EXE or zipped UPZ file. To avoid program
problems, make certain you are using the update file with the correct suffix letter (e.g., S, V, W, X).
4. Filenames for CHV update files have a UPG extension and are in one zipped UPG file. The ‘x’ in the file
name refers to the version number.
NOTE: Crestron software and any files on the website are for Authorized Crestron dealers
. Refer to NOTE after last footnote.
only. New users may be required to register to obtain access to certain areas of the
site (including the FTP site).
Operations and Installation Guide – DOC. 8163A Thermostats: CHV-TSTAT and CHV-THSTAT • 3
Thermostats Crestron CHV-TSTAT and CHV-THSTAT
R
Physical Description
Refer to the illustrations below and on next page. The CHV-TSTAT and CHVTHSTAT are enclosed in a plastic enclosure with four buttons and an LCD display
on the front. The back of the unit has ventilation slots, and holes for mounting the
unit and wiring. The ventilation slots must be unobstructed for airflow to the unit.
Current Temperature
Current Humidity
Physical View of CHV-TSTAT and CHV-THSTAT
o
F
66
%
43
o
68
HEATING
HEAT ONLY
ON LINE
H1 H2 AX
F
Front and Side Views
Current Set Point
(indicates desired
temperature, or
temperature range in
auto mode)
Current Activity
Current Function
System Information
- ON LINE (Cresnet
on)
- HOLD (Cresnet
off)
- NET FAULT (Net
down)
- VIEW MSG (view
message)
Internal Relay Status
0.47 in
(1.18 cm)
1.75 in
(4.44 cm)
3.75 in
(9.50 cm)
ear View
MODE
VIEW
5.00 in
(12.70 cm)
4.630 in
(11.76 cm)
3.27 in
(8.29 cm)
1.04 in
(2.63 cm)
3.38 in
(8.59 cm)
4 • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163A
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Connection View (Backplate, view from the front with cover removed)
TOP
Y
Z
24V
RS1
RS2
24(C)
RSR
Y2
O
24(R)
W/W1
B
W2
NETWORK
RH
HUM
RC
RSR
RHU
Y/Y1
G
Ports
The CHV-TSTAT and CHV-THSTAT have four types of connections on the inside
back plate (refer to graphic above).
G
NETWORK (Optional) – provides communication to the control system and Cresnet
power to the CHV-TSTAT and CHV-THSTAT. If making network connections to
Cresnet peripherals, refer to “Network Wiring” on page 7.
CRESNET CONNECTIONS (optional)
PIN DESCRIPTION
24 +24VDC
Y Cresnet Data
Z Cresnet Data
G Ground
REMOTE SENSING CONNECTIONS (optional)
PIN DESCRIPTION
RSR Remote Sensor Returns – Common sensor terminal
RS1 Remote Sensor terminal – Connect the sensor from RS1 to RSR
RS2 Remote Sensor terminal – Connect the sensor from RS2 to RSR
POWER CONNECTIONS (Required)
PIN
24 (C)
24 (R)
DESCRIPTION (refer to System Connections on page 8)
24 VAC common terminal supplies remote 24 VAC power to
thermostat.
24 VAC reference terminal. Can be connected to RH or RC by
P4 jumper setting, or tied directly to power source (refer to
System Connections on page 8)
Operations and Installation Guide – DOC. 8163A Thermostats: CHV-TSTAT and CHV-THSTAT • 5
Thermostats Crestron CHV-TSTAT and CHV-THSTAT
CONTROL CONNECTIONS (System Dependent)
PIN DESCRIPTION
HUM Energized to RHU during humidity call
RHU Reference for humidifier
RH Reference Heat, used for calls to heating system
RC Reference Cool, used for calls to cooling system
G Fan, energized to RC during call for fan
Y/Y1
Y2
O Changeover control, energized to RC during cooling modes
B Energized to RC during non-cooling modes
W/W1
W2
Compressor (stage one), energized to RC when
compressor (or first stage) is run
Compressor (stage two), energized to RC on two-stage
systems on call for second stage
Heat (single stage)/heat (stage one) energized to RH
during a call for heat in heat/cool systems or aux heat in
heat pump systems
Heat (stage two), energized to RH during a call for second
stage heat in heat/cool systems
Buttons
There are four buttons used to setup and adjust the thermostat.
MODE
MODE – Access to the user controls (System Mode, Fan Mode,
Humidifier, Crestron System, and Global Update)
VIEW
VIEW – Access to Humidity reading, Outdoor Temperature reading, and
System Messages.
NOTE: When MODE and VIEW are pressed together and held for five seconds, the
thermostat enters the system setup mode (refer to “Thermostat Setup” on page 16).
T
UP ▲ – Selects user modes and increments selection in setup modes
T
DOWN ▼ – Selects user modes and decrements selection in setup modes
Industry Compliance
As of the date of manufacture, this unit has been tested and found to comply with
s
pecifications for CE marking and standards per EMC and Radio Communications
Compliance Labeling (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.
6 • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163A
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Setup
Network Wiring
NOTE: When installing network wiring, refer to the latest revision of the wiring
diagram(s) appropriate for your specific system configuration, available from the
Downloads | Product Manuals | Wiring Diagrams section of the Crestron website
(www.crestron.com)
When calculating the wire gauge for a particular Cresnet run, the length of the run
and the power factor of each network unit to be connected must be taken into
consideration. If Cresnet units are to be daisy-chained on the run, the power factor of
each unit to be daisy-chained must be added together to determine the power factor
of the entire chain. If the unit is a home-run from a Crestron system power supply
network port, the power factor of that unit is the power factor of the entire run. The
length of the run in feet and the power factor of the run should be used in the
following resistance equation to calculate the value on the right side of the equation.
Resistance Equation
R <
40,000
L x PF
.
R = Resistance (refer to table below).
Where:
L = Length of run (or chain) in feet.
PF = Power factor of entire run (or chain).
The required wire gauge should be chosen such that the resistance value is less than
the value calculated in the resistance equation. Refer to the table below.
Wire Gauge Values
RESISTANCE WIRE GAUGE
4 16
6 18
10 20
15 22
13 Doubled CAT 5
8.7 Tripled CAT 5
NOTE: All Cresnet wiring must consist of two twisted-pairs. One twisted pair is the
+24V conductor and the GND conductor and the other twisted pair is the Y
conductor and the Z conductor.
NOTE: For larger networks (i.e., greater than 28 network devices), it may be
necessary to add a Cresnet Hub/Repeater to maintain signal quality throughout the
network. Also, for networks with lengthy cable runs or varying types of network
devices, it may be desirable to add a hub/repeater after only 20 network devices.
Identity Code
Every equipment and user interface within the network requires a unique Cresnet
identity code (NET ID). These codes are assigned a two-digit hexadecimal number
from 03 to FE. The NET ID of the unit must match the NET ID specified in the
SIMPL Windows or D3 Pro program. Refer to “Device Options” on page 18 for a
description of assigning the NET ID to the thermostat and “Setting the Net ID in
Device Settings” on page 26 for an example of the SIMPL Windows procedure.
Operations and Installation Guide – DOC. 8163A Thermostats: CHV-TSTAT and CHV-THSTAT • 7
Thermostats Crestron CHV-TSTAT and CHV-THSTAT
System Connections
Backplate - view from the front with the cover removed
HUM - Energized to RHU during humidity call
RHU - Reference for humidifier
RSR - Remote Sensor Returns - Common sensor terminal
RS1 - Remote Sensor terminal - Connect the sensor from RS1 to RSR
RS2 - Remote Sensor terminal - Connect the sensor from RS2 to RSR
24(C) - 24 VAC common terminal supplies remote 24 VAC power
to thermostat
24(R) - 24 VAC reference terminal. Can be connected to RH or RC
by P4 jumper setting, or tied directly to power source
Network Connection
TOP
Y
Z
RS1
RS2
HUM
RSR
RSR
RHU
24(C)
24(R)
24V
NETWORK
G
for Crestron
Installer Only
Y/Y1
RH
RC
Y2
G
W/W1
B
O
W2
Backplate
W2 - Heat (stage two), energized to RH during a call for
second stage heat in heat/cool systems
W/W1 - Heat (single stage)/heat (stage one) energized to RH
during a call for heat in heat/cool systems or aux heat in
heat pump systems
B - Energized to RC during non-cooling modes
O - Changeover control, energized to RC during cooling modes
Y2 - Compressor (stage two), energized to RC on two-stage
systems on call for second stage
Y/Y1 - Compressor (stage one), energized to RC when
compressor (or first stage) is run
G - Fan, energized to RC during call for fan
RC - Reference Cool, used for calls to cooling system
RH - Reference Heat, used for calls to heating system
8 • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163A
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Wiring Diagrams
The wiring diagrams that follow show connections for the CHV-TSTAT and CHVTHSTAT.
CAUTION: The P4 Jumper Position on the Circuit Board depends on the
power method chosen, and is critical to proper operation. Improper P4 jumper
position can cause equipment damage.
NOTE: Ensure that the power circuits are shut off at the source before connecting
the thermostat. Provide disconnect means and overload protection as required for the
power supply.
NOTE: Ensure that the transformer has sufficient power for all the thermostats in
the system, or use multiple transformers. Refer to the power requirements in
“Specifications” on page 3.
The following diagrams are examples of connections for heat, heat/cool and onestage and two-stage heat pump systems.
NOTE: Use either connector O or B as required, for changeover control.
Separately Powered (by an independent transformer)
Backplate Connection and Circuit Board Jumper Position
Transformer
24(C)
24 VAC
24(R)
TOP
RS1
RS2
HUM
RSR
RHU
Y/Y1
RC
G
RH
24(C)
RSR
Y2
24(R)
W/W1
B
W2
O
120 VAC
Y
Z
24V
G
NETWORK
Backplate Thermostat circuit board
Jumper on P4 between pins 2 and 3
CRESTRON ELECTRONICS
P3
P1
P6
P4
1
2
3
4
P4
P4
2
3
P5
1
2
3
4
NOTE: The P4 jumper position is critical to proper operation and depends on the
method used to power the thermostat.
Operations and Installation Guide – DOC. 8163A Thermostats: CHV-TSTAT and CHV-THSTAT • 9
Thermostats Crestron CHV-TSTAT and CHV-THSTAT
Three-Wire Heating System Connections
Backplate
Integrated
Control
Unit
C
R
W
RH
HUM
RC
TOP
Y
Z
RS1
RS2
RSR
RSR
RHU
Y/Y1
Y2
G
24(C)
24(R)
W/W1
B
O
W2
24V
NETWORK
G
Thermostat Circuit Board
CRESTRON ELECTRONICS
P3
P6
Jumper on P4
P4
1
2
3
4
between pins 1
and 2
P4
1
2
P5
P1
10 • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163A
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Five-Wire Heating/Cooling System Connections
Backplate
Integrated
Control
Unit
C
G
R
HUM
RSR
RHU
Jumper
From RH
to RC
TOP
Y
Z
RS1
RS2
RSR
24(C)
24(R)
24V
NETWORK
G
Y/Y1
RHRCG
Y2
W/W1
B
O
W2
Thermostat Circuit Board
P3
CRESTRON ELECTRONICS
P6
1
2
3
4
W
Y
Jumper on P4
P4
between pins 1
and 2
P4
1
2
P5
P1
Operations and Installation Guide – DOC. 8163A Thermostats: CHV-TSTAT and CHV-THSTAT • 11
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