Australia
New Zealand
Greece
Precision and simplicity engineered for superior climate control.
The Comfort™ Pro Non-Programmable Commercial Thermostat 33CSCNACHP-01 transforms commercial climate control with precision-engineered reliability that adapts to your space's unique demands. Built for seamless integration with heat pumps, air conditioners and water source heat pumps, this intelligent system delivers separate heating and cooling set points while automatically storing installer configurations that withstand power interruptions indefinitely. Whether powered by 24 VAC or battery backup, it ensures uninterrupted operation while advanced remote sensing provides accurate outdoor and supply-air temperature readings through an intuitive interface designed for effortless control. With auto-changeover functionality that optimizes energy efficiency without compromising comfort, this thermostat represents Carrier's unwavering commitment to innovation—designed and assembled in the U.S.A. to deliver the dependable performance and peace of mind that today's commercial spaces demand.
Supports 2‑pipe and 4‑pipe fan coil units
Provides 3‑speed fan control (2‑speed in selected configurations)
Supports cool‑only, heat‑only, emergency heat, and automatic changeover modes
Uses proportional‑integral control for accurate heating, cooling, and fan speed regulation
Supports random start to reduce peak electrical demand
Supports remote temperature sensing and averaging
Includes occupancy override capability
Allows display of a setpoint reference value instead of actual room temperature (hospitality mode)
Expanded backlit display indicates:
Mode of operation
Equipment status
Outdoor air temperature (when sensor is present)
Supports English or metric unit selection
Power requirement: 24 VAC, 50/60 Hz at 3 VA (RC/RH compatible)
Optional AA alkaline battery power (batteries not included)
| Document Name | Description | Document Type | Language | Action |
|---|---|---|---|---|
| Accessory and Kit Data | 33CSWCOFC-01 Fan Coil Changeover Sensor Kit Accessory for Comfort Pro Fan Coil Thermostat | English | Download | |
| Product Data | 33CSCNACHP-01 and 33CSCNACHP-FC Comfort™ Pro Non-Programmable Fan Coil Thermostat | English | Download |
It is specifically designed for commercial fan coil unit applications, including 2‑pipe and 4‑pipe systems.
Yes. It supports 3‑speed fan control, with 2‑speed support in selected system configurations.
Yes. All settings are retained indefinitely using battery backup or internal memory.
Yes. A keypad lockout with passcode protection prevents unauthorized changes.
Get directed to our Business Development team to start the authorization process and discuss sales support.
Get specialized help with system sizing, load
calculation analysis, and technical data required for project design.
Request support for warranty claims,
scheduled maintenance, and genuine spare
parts ordering.
For more information : ahi@ahi-carrier.com
