Carrier 33WIFISTAT43 Wi-Fi Thermostat Installation Guide
COOLING
SETPOINT
ALGORITHM
CAUTION
< = 70° F
Use the cooling setpoint only
The AUTO selection is a violation of the ASHRAE 90.1 and
California Title 24, but is a feature of the thermostat for build-
ing owners that mandate auto fan operation during occupied
periods for energy conservation purposes.
Cooling setpoint = Cooling Setpoint – (Cooling
Setpoint - 70°F) x (Dehumidify Error / 10) with
maximum dehumidify Error of 6% (i.e. use 6%
if >6%)
70.1° - 74.9° F
Cooling setpoint = Cooling Setpoint –
(Dehumidify Error / 2) with maximum
dehumidify Error of 6%
> = 75°
Program
The top center of the screen displays the program schedule day of
the week. Swipe up or down to move from one day to the next on
the program schedule. The vertical yellow Row Indicator moves
up and down at the same time.
When cooling to dehumidify, the minimum ON timer increases to
5 minutes and the second stage (or greater) is not started unless
there is also a cooling demand.
OVERCOOL 2° commands the system to operate the compres-
sor, within limits, when there is a dehumidification demand, even
if there is no cooling demand. The system may overcool up to 2°F
and no more, when satisfying a dehumidification demand.
•
The horizontal blue lines show the cool setpoints above,
for each of the 4 programmable periods of the day (up to 3
occupied periods and 1 unoccupied period, if configured).
The horizontal red lines show the heat setpoints below, for
each of the 4 programmable periods of the day.
Occupied and Unoccupied appear at the top of each period.
The vertical dashed lines separate the program time chang-
es throughout the day.
The times at the bottom of the dashed lines show the
schedule. Click on time to edit transition time.
The vertical yellow dashed line displays the current time
of day.
The yellow lines show up only when viewing the current
day of the week.
•
Humid-MiZer™/Perfect
Reheat
Humidity™/Hot
Gas
•
•
When configured as a HUMIDIMIZER output, and the humidi-
ty level is above the dehumidify target, 24V is output at the select-
ed terminal. When the humidity level is below the dehumidify tar-
get, 0 Vac is output on the selected terminal. There is a +1/-4%
hysteresis around the dehumidify target to prevent rapid on/off cy-
cling of the selected output.
This output may be connected to compressor outputs on commer-
cial equipment. If the selected output is energized without any
compressors being energized, the 5-minute time guard must be en-
forced.
•
•
•
Holiday
Use the following table to determine values for the terminal out-
puts to the equipment, when specific demands are present.
NOTES:
•
This screen displays the current year's holiday schedule.
On a holiday, the setpoints for the first UNOCCUPIED
time range are used for the entire day. Scroll the vertical
yellow Row Indicator to see more holidays. Click on the
holiday to make edits.
•
The value of X denotes that the setting may be Off or On,
depending on the state of the FAN ON WITH W set on
advanced SYSTEM SETTINGS screen.
Banner
•
*Represents Y3, W2, or O/B, based on the item available
and selected in HUM/DEHUM OUTPUT configuration.
See “To Configure Advanced System Settings” on page 5.
Press the center of the scrolling Banner to switch to the screen in-
dicated by the text. You can swipe the banner to change options,
or, every 3 seconds a different screen name scrolls across the top
that you can navigate to.
On the thermostat itself, you can select which screens you want on
the Banner by pressing the buttons to check the ones you want and
then uncheck the ones you do not want.
Y1
Off
On
On
Off
On
On
Off
Off
Off
Off
Y2
Off
Off
On
Off
Off
On
Off
Off
Off
Off
W1
Off
Off
Off
Off
Off
Off
On
On
On
On
W2
Off
Off
Off
Off
Off
Off
Off
On
Off
On
G
On
On
On
On
On
On
X
*
Fan
Off
Off
Off
On
On
On
Off
Off
On
On
Cool (1)
The default screens are:
Cool (2)
•
•
•
•
•
•
Date & Time
Fan Status
Outdoor Temp
Cool Setpoint
Humidity
Dehum / (Humid)
Cool (1) & Dehum
Cool (2) & Dehum
Heat (1)
Heat (2)
X
Heat (1) & Humid
Heat (2) & Humid
X
Heat Setpoint
X
Date and Time
On this screen, scroll or tap the Orange Hour wheel or Blue Min-
ute wheel to adjust the date and time on the thermostat.
Switch to the Date Adjust screen and the Time Adjust screen
using the green icon button at the right side of the screen. Scroll or
tap the Orange Month wheel or Blue Day wheel.
Fan
Use this screen to adjust fan operation. The default setting for fan
operation is AUTO for both OCCUPIED and UNOCCUPIED
periods. When operating in AUTO MODE, the fan only runs
when there is an active heating or cooling demand. When you se-
lect ON, the fan runs continuously, except during the BLOWER
ON DELAY when a heat cycle is starting. There will be a 30-sec-
ond minimum on/off timer when changing the FAN MODE.
Drag a wheel up or down or tap the top or bottom of the wheel to
increase or decrease by 1 increment.
These selections are not available if the thermostat has been con-
figured for non-programmable operation.
When the thermostat is first registered and connected to a Wi-Fi
router, both the date and time are synced with the server (based on
the location of the phone/tablet used to connect the thermostat to a
router or based on the ISP location if a computer is used to connect
the thermostat to a router). The time and date are synced at the top
of each hour automatically, unless the Sync Time To Server op-
tion in the SETTINGS > ADVANCED screen is set to NO.
12
| 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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