Crestron CHV-TSTAT-FCU Owner's manual

CHV-TSTAT-FCU
Heating and Cooling Fan-Coil Thermostat
Supplemental Guide
Crestron Electronics, Inc.

The original language version of this document is U.S. English.
All other languages are a translation of the original document.
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Contents
Introduction 1
Set Up the Thermostat 2
Enter Setup Mode 2
Navigate Setup Mode 2
Configure the Thermostat 3
Supplemental Guide — Doc. 7963B Contents • i

ii • Contents Supplemental Guide — Doc. 7963B

Supplemental Guide — Doc. 7963B CHV-TSTAT-FCU • 1
Introduction
After installation, set up the Crestron® CHV-TSTAT-FCU. Refer to the information that follows
for an overview of the setup procedure.
For more installation information on the CHV-TSTAT-FCU, refer to the CHV-TSTAT-FCU DO
Guide (Doc. 7914) at crestron.com/manuals.

2 • CHV-TSTAT-FCU Supplemental Guide — Doc. 7963B
Set Up the Thermostat
A qualified technician should set up the thermostat locally. Navigate through the setup screens
and make the changes necessary for the HVAC system.
In most cases, default functionality is sufficient to run the system.
Enter Setup Mode
Simultaneously press and hold the MODE and VIEW buttons until the SETUP: SYSTEM screen is
displayed.
NOTE: Simultaneously press and hold the MODE and VIEW buttons again to exit Setup
mode.
Navigate Setup Mode
When the device is in Setup mode, press the MODE button to advance to the next screen, press
the VIEW button to scroll vertically through the setup options on the screen, and press the Up
(p) and Down (q)buttons to change the value for the selected item.

Supplemental Guide — Doc. 7963B CHV-TSTAT-FCU • 3
Configure the Thermostat
SETUP: SYSTEM Screen
Use the Fan Spd Enables option to select the fan speeds that are available on the system.
Setting Fan Spd Staging to Yallows the fan speed to be dynamically increased based upon
current demand. If Nis selected, the fan speed is fixed.
Set 2nd stg call mode to HEAT or COOL to control a two-stage system. This mode will execute
second stage heating or cooling calls through the O terminal on the device. Set 2ndstgcallmode
to NONE when a two-stage system is not in use.
Use the 2nd stg min fan option to control the fan speed at which the second stage of the
two-stage system is called. If the option is set to MED, for instance, then the thermostat will call
for second stage cooling or heating when the fan speed reaches the medium setting. The second
stage remains called if the fan reaches speeds faster than the speed set here.
NOTE: A two-stage system can be used only if the O and B terminals are not currently wired
for a different application.

4 • CHV-TSTAT-FCU Supplemental Guide — Doc. 7963B
SETUP: SYSTEM PERF Screen
Use the Heat Anticipator and Cool Anticipator to control the steady-state regulation band size.
A higher setting increases the band size.
The Intrstg Differential and Accumulated Stging settings are for future use. Modifying the
settings will not affect the device's operation.
SETUP: HUM OPTS Screen
Setting Show Hum Mode Pg to Yshows the Humidifier page when the MODE button is pressed.
Setting Show Hum View Pg to Yshows the humidity details when the VIEW button is pressed.
Setting Cold Weather Comp to Yadjusts the thermostat to prevent condensation on the
windows when the outdoor temperature is cold.
Invert Hum Output inverts the humidity relay logic. Selecting Yinverts the output so that the
relay is energized when the humidity level is above the desired setpoint. Selecting Nkeeps a
standard output so that the relay is energized when the humidity level is below the desired
setpoint.
Use Call FAN in HUM to activate or disable the fan during calls to the humidifier.

Supplemental Guide — Doc. 7963B CHV-TSTAT-FCU • 5
SETUP: DEVICE OPTS Screen
The Network ID must match the NET ID specified in the system program. Use the LCD Contrast
to change the contrast of the LCD screen.
Set the Short Cycle Prot to prevent the HVAC unit from quickly cycling on and off, which can
damage the HVAC system. Set the number of seconds to determine the amount of time
between HVAC power cycles.
SETUP: SCREEN OPTIONS Screen
Setting Disp Global Page to Ydisplays the Global Update page when the MODE button is
pressed.
Setting Disp Outdoor Page to Yenables viewing of the outdoor temperature when the VIEW
button is pressed.
Setting Dis Rem Func Pg1 and Pg 2 to Yenables viewing of the sensor state when the VIEW
button is pressed.
Setting Reverse SMODE Dir to Yreverses the direction that the System Mode selection scrolls
across the screen when the Up (p) or Down (q) arrows are pressed.

6 • CHV-TSTAT-FCU Supplemental Guide — Doc. 7963B
SETUP: DISP OPTIONS Screen
The SETUP: DISP OPTIONS screen allows adjusting of both the displayed and the regulated
temperatures.
The Temperature Units option allows selection of Fahrenheit (F) or Celsius (C).
Temp Disp Offset alters the main display’s temperature output by the number of degrees
selected.
Dual Setpoint Auto allows two setpoints to be established when operating in auto mode. When
operating in Dual Setpoint Auto mode, press the MODE button while the temperature setpoints
are flashing to toggle between the two.
The Main Scn Lwr Obj displays the reading for the slab sensor (sb), outdoor sensor (od), or
humidity (HM).
The Use 0.5 Deg C Step option allows the setpoint to be changed in 0.5-degree increments.
SETUP: OTHER SETTINGS Screen
Use Auto DdBand Deg to determine the minimum separation between heat and cool setpoints.
Disable Auto Mode removes the auto option from the System Mode screen.
SETUP: SENSORS Screen
The SETUP: SENSORS screen allows defining which sensors are used to report temperature and
humidity to the thermostat.

Supplemental Guide — Doc. 7963B CHV-TSTAT-FCU • 7
SETUP: H-SENSORS Screen
The SETUP: H-SENSORS screen allows the sensor values to be fine-tuned.
SETUP: SENSOR DBG Screen
Press VIEW to run sensor debugging.
SETUP: SERVICE/TEST Screen
The SETUP: SERVICE/TEST screen allows testing of the HVAC system directly from Setup mode.
Set the Heat Call,Cool Call,Humidifier Call, or Fan Call to ON to test the HVAC system.

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Supplemental Guide — Doc. 7963B CHV-TSTAT-FCU • 8

Crestron Electronics, Inc.
15 Volvo Drive, Rockleigh, NJ 07647
Tel: 888.CRESTRON
Fax: [phone]
www.crestron.com
Supplemental Guide — Doc. 7963B
(2048037)
11/03/22
Specifications subject to
change without notice.