Installation guide

Crestron CHV-TSTATEX infiNET EX Thermostat
Operations & Installation Guide – DOC. 6989C infiNET EX Thermostat: CHV-TSTATEX
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LCD Display Elements
# LCD DISPLAY
ELEMENT
DESCRIPTION
1 Large 7-segment digits Indicates current ambient temperature
1, 2
;
In Setup mode, indicates current setup
parameter/function;
Display range is limited to –9º to 99º F (-9º to
43º C);
If the ambient temperature is above 99º, the
display indicates 99º;
If the ambient temperature is below –9º, the
display indicates –9º
2 Small 7-segment digits Indicates current setpoint (in F or C) in whole
degrees;
While the setpoint is being adjusted, if it is
set to a half-degree increment, the integer
portion of the number is displayed and
alternates with _5 every quarter second for a
period of 4 seconds after the last adjustment;
After 4 seconds, only the integer portion of
the number is displayed;
In Setup mode, indicates current value for
selected setup parameter
3 Flame icon
Displayed when the system mode is Heat;
Flashes (on 2 seconds, off one half second)
when the system mode is Aux Heat
(Emergency Heat);
Displayed with snowflake icon when system
is in Auto mode
4 Snowflake icon
Displayed when the system mode is Cool;
Displayed with flame icon when system is in
Auto mode
5 Fan icon Displayed at all times.
6 AUTO indicator
Displayed when FAN setting is AUTO;
If this is not displayed, FAN is always ON
7 OFF indicator
Displayed when the system mode is Off
8 HOLD indicator
Displayed when the HOLD setting is active
9 H, C, F & A indicators
H – Displayed whenever a Heat Call is being
made;
C – Displayed whenever a Cool Call is being
made;
F – Displayed whenever a Fan Call is being
made;
A – Displayed whenever an Aux Heat Call is
being made
1. For heat pump and dual-fuel systems, when Emergency Heat mode is selected (by pressing and
releasing the MODE button when system mode is Heat) the display shows EH in place of the ambient
temperature for 2 seconds.
2. When the CHV-TSTATEX detects a low battery condition (approximately 1 month of battery life
remaining), the display alternates Lo in place of the ambient temperature once per second.