I
OT
N
AL
E
T
AUTO
0
I2 0
:
Su
Pm
HEAT
OOL
C
2
7
74
RESIDENTIAL
RESIDENTIAL
THERMOSTAT
THERMOSTAT
P/N
P/N
P374-
P374-
1800
1800
TOTALINE
Signature
HEAT
COOL
HEAT
PUMP
HEAT
COOL
HEAT
PUMP
3 Configurable Outputs
Control up to 3 Heat &
2 Cool Stages
Adjustable 2nd & 3rd Stage
Timers & Deadbands
Backlit Display & Button
Legends
Outdoor Sensor Ready
with High/Low
Readouts for
the Day
3 Configurable Outputs
Control up to 3 Heat &
2 Cool Stages
Replacement Components Division Carrier Corporation 08/05
Meets Residential California Title 24
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & 3 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.
OWNER’S
MANUAL
OWNER’S
MANUAL
7-DAY
PROGRAMMABLE
DIGITAL THERMOSTAT
Accepts Optional Humidity Module:
Controls Humidification and
Dehumidification
Accepts EZ Programmer
Accepts Optional IR Remote Control
Optional Internet / Phone Control
Accessory
Aux Heat Indicator
OPTIONAL
HUMIDITY MODULE
OPTIONAL
HUMIDITY MODULE
Accepts the
Accepts the
Summary of Contents for P374-1800
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