Carrier 33WIFISTAT43 Wi-Fi Thermostat Installation Guide
Table 2 — Parameters (cont)
PARAMETER NAME/DESCRIPTION
DISCONNECT WIFI — Disconnects the thermostat from the Wi-Fi network.
DEFAULT AND RANGE
D:
NOTE: Disconnecting the Wi-Fi requires setting up the WIFIStat Thermostat using the WIFIStat mobile application in R:
order to re-establish Wi-Fi connectivity.
INSTALLATION TEST — See Installation Test for detailed instructions.
D:
R:
RESTORE DEFAULTS — Press and hold the 5 button for 5 seconds to initiate and restore all system setting defaults. D:
Press the CANCEL button to go back to SYSTEM SETTINGS screen.
R:
•
•
The cooling stage 5-minute minimum off-timer has
expired
The space temperature has exceeded the cooling setpoint
by the DIFFERENTIAL value (0.5°F default)
OPERATING YOUR SYSTEM USING
THE WIFISTAT
The thermostat supports the following types of constant volume
units:
Additional stages are added and dropped, based on demand using
the DIFFERENTIAL value, STAGE DELAY timer, and
FORCED STAGE UP timer configuration values. If the LOW
COOL LOCKOUT is configured for ON, or between 80 and
110°F, and the OAT is equal to or greater than that value, cool
stages 1 and 2 are energized on a demand for cooling and remain
on until the cooling demand is satisfied.
•
•
•
Standard heat/cool unit types with up to 3 stages of me-
chanical cooling, up to 2 stages of gas or electric heating.
Heat pump units utilizing a reversing valve output for
heating and cooling control.
Heat pump unit with an OEM defrost control board.
NOTES:
•
NOTE: Once a cooling stage is energized, it remains on for a min-
imum of 5 minutes, regardless of demand.
Humidification or dehumidification control strategies are
available for appropriately equipped units.
Econ Enable
•
The following configurations have interdependencies that
may preclude the use of others:
Reversing valve
Third-stage cooling
Humidification
Dehumidification
Occupancy Output
The flex outputs, Y3, O, and W2, may be available for
optional functions.
The thermostat’s application and configuration determine the spe-
cific cooling sequence. It can control up to 2 stages of cooling,
with an additional output for a reversing valve or up to 3 stages of
cooling for non-heat pump applications.
NOTE: The cooling stages are controlled based on a drift algo-
rithm and the configurable DIFFERENTIAL value (0.5°F
default).
-
-
-
-
-
-
The following conditions must be true for the cooling to operate:
•
•
•
The OAT must be above the COOL LOCKOUT (55°F
EXAMPLE: In a single stage heating system, the W2 output
could be used as the Occupancy output to enable the ECON
during occupied periods.
default), if enabled
The cooling stage 5-minute minimum off-timer has ex-
pired
The space temperature has exceeded the cooling setpoint
by the DIFFERENTIAL value (0.5°F default)
Occupancy
Configure the thermostat to operate in a programmable or non-
programmable mode. Non-programmable operates continuously
in occupied mode. Programmable operates as a 7-day programma-
ble thermostat for either 2 or 4 periods per day. You can set each
period as occupied or unoccupied.
If you configure Smart Recovery for 30 to 90 minutes, the occu-
pied start time increases up to the maximum time, in order to bring
the space to the occupied setpoints at actual occupied time.
Additional stages are added and dropped, based on demand using
the DIFFERENTIAL value, STAGE DELAY timer, and
FORCED STAGE UP timer configuration values. If the LOW
COOL LOCKOUT is configured for ON, or between 80 and
110°F, and the OAT is equal to or greater than that value, cool
stages 1 and 2 are energized on a demand for cooling and remain
on until the cooling demand is satisfied.
Supply Fan
Configure the supply fan for ON or AUTO, in either occupied or
NOTE: Once a cooling stage is energized, it remains on for a min-
imum of 5 minutes, regardless of demand.
unoccupied mode.
Heating
•
•
ON – Fan runs continuously regardless of demand
AUTO – Fan cycles heat or cool demand if there is a de-
mand for humidity or dehumidification
The thermostat's application and configuration determine the spe-
cific heating sequence. It can control up to 4 stages of heating
when configured for heat pump applications, or up to 2 stages of
heating for non-heat pump applications. When applied to a com-
mercial heat pump, HEAT TYPE must be set to GAS. HEAT
TYPE set to ELECTRIC supports a 3-stage heat operation using
2 outputs. See Outputs based on demand and configuration.
NOTE: The heating stages are controlled, based on a drift algo-
rithm and the configurable DIFFERENTIAL value (0.5°F de-
fault).
Cooling
The thermostat's application and configuration determine the spe-
cific cooling sequence. It can control up to 2 stages of cooling,
with an additional output for a reversing valve, or up to 3 stages of
cooling for non-heat pump applications.
NOTE: The cooling stages are controlled based on a drift algo-
rithm and the configurable DIFFERENTIAL value (0.5°F de-
fault).
The following conditions must true for heating to operate:
•
The OAT must be below the HEAT LOCKOUT (55°F
default), if enabled
The following conditions must be true for the cooling to operate:
•
The OAT must be above the COOL LOCKOUT (55°F
default), if enabled
•
The heating stage 5-minute minimum off-timer has
expired
9
| 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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