Comfort Pro Programmable Fan Coil Thermostat

BMS & Control Carrier
Comfort Pro Programmable Fan Coil Thermostat
Carrier Commercial HVAC Thermostats

Comfort Pro Programmable Fan Coil Thermostat

Redefining comfort with precision temperature control and energy efficiency.

Touch·N·Go® Programmability Proportional Integral Control Dual power options with battery backup for uninterrupted operation

Comfort Pro Programmable Fan Coil Thermostat

The Comfort™ Pro Programmable Fan Coil Thermostat (33CSCPACHP-FC) is engineered to deliver a new standard of reliable, energy-efficient climate control for modern commercial spaces. Designed for precision, this thermostat provides exceptional command over fan coil units using proportional integral calculations for optimized heating and cooling performance. With flexible programming that allows up to four time and temperature settings per day, you can customize schedules that align perfectly with your building’s unique demands. The intuitive Touch·N·Go® functionality simplifies operation, while the expanded backlit display offers clear visibility of system status, time of day and even outdoor-air temperature via a remote sensor. Dual power options, with 24 VAC and battery backup, ensure your settings are always protected by an internal memory that stores comfort schedules indefinitely, even through a power interruption. Proudly designed and assembled in the U.S.A., the Comfort™ Pro thermostat is built to deliver the efficient, dependable temperature regulation your commercial setting requires.

Comfort Pro Programmable Fan Coil Thermostat

Fan Coil–Optimized Performance

Designed specifically for 2‑pipe and 4‑pipe fan coil systems, supporting 3‑speed fan control, with 2‑speed operation available when using a water changeover sensor.

Flexible Scheduling for Energy Efficiency

Supports up to four schedules per day with 5/2‑day or all‑days programming, allowing precise control of comfort and energy use.

Clear System Visibility

Displays key operating information including system mode, time of day, outdoor air temperature, and setpoints for easy monitoring.

Accurate Temperature & Fan Control

Uses proportional‑integral control logic to determine heating, cooling stages, and fan speed for precise zone temperature control.

Control & Operation

Supports 2‑pipe and 4‑pipe fan coil configurations
Provides 3‑speed fan control (2‑speed when used with water changeover sensor)
Uses proportional‑integral calculation to determine heating, cooling, and fan speed requirements

Scheduling & Overrides

Supports 5/2‑day or all‑days programmable schedules
Allows up to 4 programmable periods per day
Includes occupancy override capability

Power & Electrical

Power requirements:
24 VAC, 50/60 Hz at 3 VA, or
AA alkaline battery power (batteries not included)
User‑configured settings are retained without time limitation

Electrical Characteristics

Inputs: 24 VAC, 50/60 Hz, 3 VA
Outputs:
Minimum load: 1000 ohms
Maximum load: 2.0 A, 50% power factor (inductive)
Nominal load capacity: 1.5 A

Document Name Description Document Type Language Action
Accessory and Kit Data 33CSWCOFC-01 Fan Coil Changeover Sensor Kit Accessory PDF English Download
Product Data Comfort™ Pro Programmable Commercial Thermostat PDF English Download
What systems is this thermostat designed for?

It is designed specifically for commercial fan coil unit applications, including both 2‑pipe and 4‑pipe systems.

How does this model differ from non‑fan‑coil Comfort Pro thermostats?

This model includes fan coil–specific logic with multi‑speed fan control and water changeover support.

Does the thermostat support programmable schedules?

Yes. It supports 5/2‑day or all‑days scheduling with up to four periods per day.

Is the thermostat suitable for retrofit installations?

Yes. Flexible power options, compact size, and fan coil compatibility make it well suited for retrofit and replacement projects.

Similar Products

How Can We Help?

Have a question that doesn’t fit a specific category? Reach out to our team here for all other support
and information

    Become a Dealer

    Get directed to our Business Development team to start the authorization process and discuss sales support.

    Technical Assistance

    Get specialized help with system sizing, load
    calculation analysis, and technical data required for project design.

    Aftermarket Service

    Request support for warranty claims,
    scheduled maintenance, and genuine spare
    parts ordering.

    For more information : ahi@ahi-carrier.com