Carrier 33WIFISTAT43 Wi-Fi Thermostat Installation Guide
Lockout
INSTALLATION TEST
Locks out unauthorized changes made on the touchscreen. All
touch interaction is locked out without the unlock code. After 5
failed attempts, a notification (fault) is sent to the registered owner
of the thermostat through Wi-Fi. More unlock attempts are
blocked for 15 minutes.
To set up a new PIN or change the current PIN, select the EN-
ABLE button or the CHANGE PIN button, which displays on
the SET PIN screen. If the thermostat does not already have a
PIN, the CHANGE PIN button cannot be used.
Complete the following to field test the WIFIStat Thermostat's
outputs.
1. Press the CHANGE button to cycle the MODE screen
through the following settings:
HEATING (default) — not available in a cooling-only
configuration
-
-
-
-
EM HEAT — not available unless a heat pump is
configured
COOLING
configuration
FAN
—
not available in
a
heating-only
•
On the SET PIN screen, use the 3 blue-digit PIN wheels
to set the PIN. Set the 3-digit PIN and press the orange
Save button to save the PIN and return to the LOCKOUT
screen. Press the DISABLE button to cancel the LOCK-
OUT function and reset the PIN to 000. The default is 000
and the range is 1 to 999.
2. Press the START button.
a. The first stage of HEATING, EM HEAT, COOLING,
or FAN starts running and the text reads 1ST STAGE:
180 or FAN ON and 180 seconds starts counting down.
Clean
b. The START button is replaced with a STOP button and
Stops touchscreen interaction for 10 seconds to allow cleaning the
screen with a dry nonabrasive cloth. A 10-second countdown
shows on the CLEAN screen and then resumes normal operation.
the CHANGE button disappears.
c. Once the countdown reaches 0, if another stage exists, it
starts and the text changes to 2ND STAGE: 180.
Log
d. If no other stage exists, the cycle ends, the text disap-
You can use this screen to view software update history, fault his-
tory, and system events. Swipe up or down on the vertical yellow
Row Indicator to scroll through logged events.
pears, and the START button reappears.
e. If a third stage exists, it starts running after the second
stage countdown reaches 0.
f. While the HEATING and EM HEAT MODES are
running, if a humidifier has been configured, a HUM
button appears below the STOP button. If you press the
HUM button, the text HUMIDIFYING appears and
turns on the humidifier.
g. While the COOLING MODE is running, if a dehu-
midifier has been configured, a DEHUM button appears
below the STOP button and, if pressed, the text DEHU-
MIDIFYING appears and the dehumidifier turns on.
The log includes:
•
•
•
•
•
•
•
Startup
Software Update Events
Power Cycle Events
Parameter Out-Of-Range Events
Server Connectivity Events
Non-volatile Memory Faults
Temperature Faults
h. Pressing the STOP button turns off running equipment,
the STOP button is replaced with the START button,
the CHANGE button reappears, and the second (stage
running and countdown time) and third lines (humidify-
ing or dehumidifying), are erased.
The list displays the 5 most recent logged events, with the most re-
cent at the top. The last line in the list includes the RESET LOG
command to clear the list. Pressing an event item displays a screen
with more information. Press the BACK button to return to the
LOG screen.
i. When you press the CANCEL button, any equipment
that is running is turned off and the SYSTEM SET-
TINGS screen displays.
Status
Displays the current status of
•
•
•
•
Thermostat Outputs
Timers
Stages
j. When you press the HOME icon, any equipment that is
running is turned off and the HOME screen displays.
After 15 minutes of inactivity (no button presses), the installer test
stops and the HOME screen displays.
Lockouts
Current timer status is displayed and can be cleared for testing and
troubleshooting by pressing and holding the TIMERS text for 5
seconds. Press and hold LOCKOUT TIMERS for 5 seconds to
clear timer values for COOL, E-HEAT, and HP HEAT.
TROUBLESHOOTING
If the display does not turn on:
1. Check terminals R and C on the thermostat base.
2. Verify power is 24 Vac +/-10%.
•
Scroll the vertical yellow Row Indicator to see more
options.
3. Verify that the green LED on the base is flashing at 1 Hz.
Service
•
NOTE: If the green LED is not flashing and you do have 24 Vac
on terminals R and C, you need to replace the thermostat.
See Table 4 for Outputs Based on Demand and Configurations.
Displays the dealer/installer service contact information.
This information is editable using the mobile app, LAN
mode transfer, and Wi-Fi transfer.
14
Table 4 — Outputs Based on Demand and Configuration
Demands Stages
Fan Only
Y1
Off
On
On
On
On
On
On
On
On
Off
Off
On
On
On
On
Off
Off
Off
Off
Off
Y2
Off
Off
On
On
Off
On
Off
Off
On
Off
Off
Off
On
On
On
Off
Off
Off
Off
Off
W1
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
On
Off
Off
On
On
On
On
On
Off
On
W2
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
Off
Off
On
On
Off
On
Off
On
On
G
Y3
Off
Off
On
X
*Rev Val=0 *Rev Val=B
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
X
X
X
X
Cool 1 (A/C)
Cool 2 (A/C)
X
X
Cool 3 (A/C)
X
X
Cool 1 (Heat Pump)
Cool 2 (Heat Pump)
Dehumidify
X
On
On
X
Off
Off
X
X
X
Cool 1 and Dehumidify
Cool 2 and Dehumidify
Heat 1 (A/C)
X
X
X
X
X
X
X
X
X
Heat 2 (A/C)
X
X
X
Heat 1 (Heat Pump)
Heat 2 (Heat Pump)
Heat 3 (HP w/Emerg Ht)
Heat 4 (HP w/Emerg Ht)
Heat 1 and Dehumidity
Heat 2 and Dehumidity
Heat Low
X
Off
Off
Off
Off
X
On
On
On
On
X
X
X
X
X
X
X
X
X
X
X
Heat Med
X
X
X
Heat High
X
X
X
NOTE: Use this table along with the HUM/DEHUM table, if either of those functions are enabled. See HUMIDITY.
Fault Definitions
Table 5 shows a list of Fault messages which are displayed and
logged in the banner during the fault condition and then sent to the
Cloud server.
Table 5 — Fault Definitions
FAULTS
CONDITION
Temperature reading > 122°F
When this fault occurs, the thermostat uses the temperature reading from the temperature/humidity sensor
as the space temperature.
ID TEMP SENSOR HIGH
•
•
Temperature reading = 0
Reading not available
ID TEMP SENSOR LOW
When this fault occurs, the thermostat uses the temperature reading from the temperature/humidity sensor
as the space temperature.
Remote temperature > 122°F
REMOTE SENSOR HIGH
REMOTE SENSOR LOW
NOTE: Displayed only if REMOTE SENSOR is set to INDOOR or AVERAGE.
Remote temperature = 0
NOTE: Displayed only if REMOTE SENSOR is set to INDOOR or AVERAGE.
Humidity sensor temperature > 122°F
HUM TEMP SENSOR HIGH
HUM TEMP SENSOR LOW
NOTE: Displayed only if using humidity temperature as a backup source during a fault condition with the
primary temperature sensor.
Humidity sensor temperature = 0
NOTE: Displayed only if using humidity temperature as a backup source during a fault condition with the
primary temperature sensor.
ID TEMP RANGE HIGH
ID TEMP RANGE LOW
Indoor Temp above cooling setpoint plus MAX SETPOINT ERROR
Indoor Temp below heat setpoint minus MAX SETPOINT ERROR
Any of the following:
•
•
•
Humidity sensor timed out
Humidity reading is > 99%
Humidity reading is 0
HUM SENSOR FAILURE
HUMIDITY RANGE HIGH
HUMIDITY RANGE LOW
OUTDOOR SENSOR FAILURE
NOT CONNECTED TO SERVER
NOT CONNECTED TO ROUTER
WI-FI HARDWARE FAULT
ECONOMIZER FAULT
Humidity reading is > 90%
Humidity reading is < 10%
OD temp > 127 or < -60
Not connected to Ayla server
Router signal strength is 0 = no bars = not connected
Communications error occurred with Wi-Fi module (resets after valid message received)
Contact closure on remote sensor input, as determined by Economizer
User has entered incorrect pin 5 consecutive times
LOCKOUT
15
| General | Details |
|---|---|
| Name | Carrier 33WIFISTAT43 Wi-Fi Thermostat Installation Guide |
| Make | Carrier |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.39 MB |
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